first pan american congress in developmental biology · edgardo santiago-martinez, nadine h....

Developmental Biology 306 (2007) 255–284www.elsevier.com/locate/ydbio

First Pan American Congress inDevelopmental Biology

SDB 66th Annual Meeting, SMBD 8th Annual Meeting,LASDB 3rd International Meeting

Gran Meliá Hotel, Cancún, México

June 16–20, 2007

Organizing Committee: Co-Chairs — Gail R. Martin (SDB) and Diana Escalante-Alcalde (SMBD);Members — Richard Behringer (SDB), José Xavier Neto (LASDB) and Mario Zurita (SMBD)

Abstract Program Number in italics

Program

Saturday June 16, 2007
9 AM–5 PM
doi:10.1016/j.ydbio.2007.03.

Satellite Symposium — non-SDB meeting

038

Lanzarote
Somitogenesis: From Models to Therapeutics Symposium. Organized by Olivier Pourquié, Stowers Institute and Kenro Kusumi, Arizona State Univ.Separate Registration required.
1–6 PM
Congress Registration Registration Area
1–5 PM
Exhibits and Poster Session I set-up Goya, Dali and Greco
7–9 PM
Presidential Symposium Miró, Murilo, Picasso and Del Prado
7:00
Gail R. Martin, UCSF and Diana Escalante-Alcalde,UNAM, Mexico, Co-Chairs — Introduction
1
7:15 Self-regulation of embryonic pattern in Xenopus embryos Eddy De Robertis, Lucho Fuentealba, Edward Eivers,Cecilia Hurtado, Andrea Ambrosio, Vincent Taelman,Jean-Louis Plouhinec, Hojoon X. Lee. HHMI and Universityof California, Los Angeles
2
7:50 Stem cells and lineage decisions in early mammalian embryo Janet Rossant, A Ralston, Y Yamanaka, R Stephenson,J Draper, C Seguin. Dev and Stem Cell Biol, Hosp for SickChildren, Toronto, Canada; Med Genet and Microbio, Univof Toronto, Canada
3
8:25 Evo-Devo studies on Latin American fauna Cliff Tabin. Harvard Med Sch, Boston, MA
9–11 PM
Opening Reception and Poster/Exhibit Session I Goya, Dali and Greco Please see Poster Session assignment in the end of the Meeting Program
http://dx.doi.org/10.1016/j.ydbio.2007.03.038

256 Developmental Biology Volume 306, 2007

Poster Session I themes: Education, Molecular Medicine and Development, Cell Proliferation, Cell–cell Signaling Pathways, Intracellular Signaling Pathways,Gene Regulation, Patterning and Transcription Factors, Cell Motility and Guidance.

Sunday June 17, 2007
8 AM–5 PM Congress Registration Registration Area
7:30–8:45 AM
Breakfast Sessions I Morpholinos Tutorial/Roundtable sponsored by Gene Tools Mallorca
7:30
Jon Moulton, Gene Tools — Morpholinos:Brief basics then technical roundtable
8:00
Funding Opportunities for Collaborative Projects Lanzarote Ida Chow, SDB — Moderator. Representatives fromUS and Latin American funding agencies and organizations,governmental and private
9 AM–12:30 PM
Concurrent Symposia I Development of the Body Plan Miró, Murilo and Picasso Gerald H. Thomsen, Stony Brook U — Chair
4
9:00 Gastrulation in frogs with terrestrial reproduction. Eugenia M. Del Pino, Michael F. Venegas-Ferrín,Marco F. Romero-Carvajal, Paola C. Montenegro-Larrea, N. Sudou,M. Taira. Pontif. Cath. Univ. Ecuador, Sch. Biol. C., Quito, Ecuador;Dept. Biol. Sci. Grad. Sch. Sci. Univ. Tokyo, Tokyo, Japan
5
9:30 Dorsal and ventral patterning during early development of theXenopus embryo. J. A. Larrain. Department of Cell and Molecular Biology, MillenniumNucleus in Developmental Biology,FONDAP-Biomedicine, P. Universidad Católica de Chile
6
10:00 Wnt3a/catenin signaling spatially positions segment boundaries byspecifying presomitic mesoderm fates and posteriorly repressingboundary formation. Terry P. Yamaguchi, M Lewandoski, K. Biris, W C. Dunty, Jr. CDBL,NCI-Frederick, NIH, Frederick, MD
7
10:15 Signal independent degradation of Cactus by the Ca2+-dependent proteaseCalpain A is regulated by maternal Dpp.Helena M. Araújo, Adriana Oliveira-Silva, Rodrigo. Agrellos,Marcio R. Fontenele, Katia Carneiro. Dept. Histology and Embriology,Inst of Biomedical Sciences, Federal Univ. of Rio de Janeiro, RJ, Brazil
10:30–11:00
Coffee Break
8
11:00 Mechanisms of vertebrate dorsal–ventral limb patterning. Randy L. Johnson, Qiong Qiu, Li Ying, Lu Pu. Dept. of Biochem. andMol. Biol, U. Texas M.D. Anderson Cancer Center; Program in Genes andDevelopment, GSBS, U. Texas HSC Houston
9
11:30 Hox genes and limb morphogenesis. Marie Kmita, Denis Duboule, Basile Tarchini. IRCM, Montreal,QC, Canada; University of Geneva, Switzerland
10
12:00 A unifying model of vertebrate left–right axis formation. Martin Blum, T. Weber, T. Beyer, P. Vick, P. Andre, A. Schmidt,S. Bogusch, V. Mauch. University of Hohenheim, Institute of Zoology,D-70593 Stuttgart, Germany
11
12:15 Retinoic acid and Hox genes in the patterning of amphioxus. Demian Koop, Michael Schubert, Linda Holland. Scripps Institutionfor Oceanography, UCSD, San Diego, CA; Institut de GénomiqueFonctionnelle de Lyon, Lyon, France

257SDB Meeting Abstracts

Cardiovascular and Hematopoietic Development
Del Prado Brant Weinstein, NICHD/NIH — Chair
9:00
Understanding the role of hemodynamics in early cardiovasculardevelopment. Mary Dickinson. Molecular Physiology, Baylor, Houston, TX
12
9:30 Slit and Robo are required for lumen formation in the Drosophilaembryonic heart. Edgardo Santiago-Martinez, Nadine H. Soplop, Rajesh Patel,Sunita G. Kramer. Dept of Pathology, UMDNJ-RWJMS, Piscataway NJ; Program inMolecular Genetics, Microbiol. and Immunology, UMDNJ-GSBS,Piscataway NJ
13
9:45 Cellular and genetic dissection of the cardiac electric system. Didier Stainier, Neil Chi, Robin Shaw, Jan Huisken, Benno Jungblut,Lily Jan. Dept. of Biochemistry, UCSF, San Francisco, CA; Dept. ofPhysiology, UCSF, San Francisco, CA
14
10:00 Retinoic acid signaling and the origin of chambered hearts. José Xavier Neto. Lab Genetics and Molecular Cardiology/HeartInstitute Univ São Paulo, Med School, Sao Paulo-SP, Brazil
10:30–11:00
Coffee Break
15
11:00 Transcriptional control of second heart field development. Brian L. Black, Jione Kang, Ian Harris, Will Schachterle,Anabel Rojas. Cardiovascular Research Institute, University of California,San Francisco, San Francisco, CA
16
11:15 Vessel and blood specification override cardiac specification inanterior mesoderm. Deborah Yelon, Jeffrey Schoenebeck, Brian Keegan. DevelopmentalGenetics Program, Skirball Institute, New York, NY
17
11:30 Cellular and molecular mechanisms controlling lymphatic vasculaturedevelopment in mammals. Guillermo C. Oliver, R. Sathish Srinivasan, Nicole Johnson,Miriam Dillard. Dept. of Genetics, St. Jude Children's ResearchHospital, Memphis, TN
18
12:00 PlexinD1: a dual role in zebrafish angiogenesis andlymphangiogenesis? Tara L. Christie, Sarah Childs. Department of Biochemistryand Molecular Biology, University of Calgary, AB, Canada
19
12:15 Programming haematopoietic stem cells in the embryonic dorsal aorta. Aldo Ciau-Uitz, Claire Fernandez, Philip Pinheiro, Roger Patient.MRC MHU, Univ of Oxford, Oxford, United Kingdom
12:30–1:30 PM
Science Writing Skills Workshop I Mallorca
20
Fundamentals Marsha Matyas, American Physiological Society and Jasna Markovac, SDB Pre-registration required
12:30–1:30 PM
Lunch
12:30–6 PM
Exhibits and Posters Open Goya, Dali and Greco
1:30–3:30 PM
Postdoctoral Symposium Miró, Murilo, Picasso and Del Prado Julie Gordon, UGA, Francesca Mariani, UCSF and Denhi Schnabel,UNAM, Mexico — Co-Chairs


21
1:30 A new role for an old gene: brachyury and the subdivision of the endomesoderm. Jenifer C. Croce, David R. McClay. Duke Univ., Durham, NC
22
1:45 Essential role for PDGF signaling in trigeminal placode formation. Kathryn L. McCabe, Marianne Bronner-Fraser. Dept. of Bio. Calif. Inst. of Tech., Pasadena, CA
23
2:00 Lens regulates sensory innervation of the cornea via Semaphorin3A. Peter Y. Lwigale, Marianne Bronner-Fraser. Division of Biology,California Institute of Technology, Pasadena, CA
24
2:15 Roles of Hedgehog signaling in mouse retina development. Kiyo Sakagami, Xian-Jie Yang. Jules Stein Eye Inst., UCLA,Los Angeles, CA
25
2:30 The regulation of sympathetic nervous system development by thebHLH factor Hand2. Yuka Morikawa, Fabien D'Autréaux, Michael Gershon,Peter Cserjesi. Dept. Cell Molecular Biology, Tulane Univ.,New Orleans, LA; Dept. Anatomy and Cell Biology, Columbia Univ.,New York, NY
26
2:45 Transcriptional regulation of MyH-7b, a novel myosin heavy chainexpressed in the vertebrate heart. Andrew S. Warkman, Melanie K. Miller, Robert K. Garriock,Susan L. D'Agostino, Paul A. Krieg. Dept. of Cell Biology andAnatomy, Univ. of Arizona, Tucson, AZ
27
3:00 Molecular genetics of zebrafish endochondral ossification. Brian F. Eames, Charles B. Kimmel. Inst of Neuroscience, Univ ofOregon, Eugene, OR
28
3:15 Sonic Hedgehog control of pattern and growth can be uncoupled in thedeveloping limb. Jianjian Zhu, Minh-Thanh Nguyen, Eiichiro Nakamura,Susan Mackem. Lab. of Pathology, NCI, NIH, Bethesda, MD
3–4 PM
LASDB Business Meeting Mallorca
3:30–4 PM
SDB Business Meeting Miró, Murilo, Picasso and Del Prado
3:30–4 PM
Coffee Break
4–6 PM
Plenary Session I Miró, Murilo, Picasso and Del Prado
29
4:00 Holly Schauer Memorial Lecture — Regulation of developmentaltiming in plants by miRNAs and trans-acting siRNAs. Scott Poethig. Biol Dept, Univ of Pennsylvania, Philadelphia, PA
30
4:30 An evolutionary perspective on cell signaling in embryonic patternformation. Gerald H. Thomsen, D Q. Matus, K Pang, H Marlow, C W. Dunn,T Kalkan, M Q. Martindale. Stony Brook Univ; Kewalo Marine Lab,Univ Hawaii.
31
5:00 Assembly and patterning of vessels during developmental angiogenesisand lymphangiogenesis. Brant Weinstein. Lab of Molecular Genetics, NICHD-NIH, Bethesda, MD
5:30
Title unavailable Liz Robertson, Oxford, UK
6–7 PM
Meet Your SDB Directors Reception for Students and Postdocs TBA
6–8 PM
Dinner on your own
8–11 PM
Poster/Exhibits Session II Goya, Dali and Greco Please see Poster Session assignment in the end of the Meeting Program


Poster Session II themes: Development and Evolution, Functional Genomics, Germ Cells and Gametogenesis, Fertilization, Stem Cells and Tissue Regeneration,Early Embryo Patterning, Organogenesis.

Monday June 18, 2007
7:30–8:45 AM
Breakfast Session II PDEC roundtable — Postdoctoral Exchange Lanzarote Karen Bennett, U MO-Columbia — Chair
32
Choosing the best postdoctoral experience: is international training right for you? Karen Bennett, U MO-Columbia
33
International postdoctoral experience: leaving and returning home Irene Yan, USP, Brazil
34
Postdoctoral experience in a foreign country Rosa E. Navarro, UNAM, Mexico
9 AM–12:30 PM
Concurrent Symposia II Patterning of the Nervous System Miró, Murilo and Picasso Alexandra Joyner, Sloan-Kettering Institute — Chair
35
9:00 Novel players in Notch signaling Hugo J. Bellen, Melih Acar, Hamed Jafar Nejad, Anchi Tien, Akhila Rajan. Program in Dev. Biol., BCM, Houston, TX; Department of Human andMolecular Genetics, BCM, Houston, TX; HHMI, BCM, Houston, TX
36
9:30 Cis-inhibition of Notch signaling in para-boundary cells in thezebrafish hindbrain. Kinneret Rand, Motoyuki Itoh, Greg Palardy, Miho Matsuda,Sang-Yeob Yeo, Moloy Goswami, Ajay Chitnis. LMG, NICHD, NIH,Bethesda, MD; Graduate School of Scien., Nagoya Univ. Nagoya, Japan;College of Nat. Scien., Kyungpook National Univ., Republic of Korea
37
9:45 A critical role for Cadherin6B during the epithelial-to-mesenchymaltransition underlying avian neural crest cell migration. Lisa Taneyhill, Edward G. Coles, Marianne Bronner-Fraser. Division ofBiology, California Institute of Technology, Pasadena, CA
38
10:00 Asymmetric morphogenesis of the parapineal organ in the developingzebrafish brain. Miguel Concha, Carmen G. Lemus, Steffen Hartel, Jenny Regan,Claire Russel, Stephen Wilson. Anatomy and Dev. Biology Program,ICBM, Universidad de Chile, Chile, Dept. of Anatomy and Dev.Biology, University College London, UK
10:30
Coffee Break
39
11:00 An ENU screen novel genes required in mammalian forebrain development. Rolf W. Stottmann, Yujuan Yun, David Beier. Div. Genetics, Brighamand Women's Hospital, Boston, MA
40
11:15 Fibroblast growth factor signaling controls development of the cerebellarvermis by inhibiting signals permissive for roofplate formation in anteriorrhombomere1. M. Albert Basson, Diego Echevarria, Christina Peterson,George Minowada, Anamaria Sudarov, Alexandra Joyner, Ivor J. Mason,Salvador Martinez, Gail R. Martin. University of California, San Francisco;King's College London, UK; Instituto de Neurosciencias de Alicante,Spain; Skirball Institute, New York
11:30
Adult neural stem cells are heterogeneous. Arturo Alvarez-Buylla. UCSF
41
12:00 Region-specific differentiation of embryonic stem cell-derived neuralprogenitors transplanted to the adult mouse hippocampus.


Laura Grabel, Joseph Carpentino, Nathaniel Hartman, Kristi LaMonica,Janice Naegele. Biology Department, Wesleyan University, Middletown, CT

42
12:15 LIM homeodomain factor Lhx5 is required for normal developmentand migration of Cajal-Retzius cells. Alfredo Varela-Echavarría, Kimmi Houang, Elisa Tamariz,Heiner Westphal, Yangu Zhao. Instituto de Neurobiología, UNAM,Querétaro, Qro. C.P. 76230, México; Laboratory of MammalianGenes and Development, NICHD, NIH, Bethesda, MD
Tissue Morphogenesis and Homeostasis
Del Prado Mark Krasnow, Stanford — Chair
43
9:00 GDNF/Ret signaling and renal branching morphogenesis. Frank Costantini. Dept. of Genetics and Development,Columbia University, New York, NY
44
9:30 The role of Wnt9b in kidney tubule maintenance. Courtney M. Karner, Thomas J. Carroll. Departments of InternalMedicine (Nephrology) and Molecular Biology, University of TexasSouthwestern Medical Center, Dallas, TX
45
9:45 Early regional specification of the endoderm toward a pancreatic fateis under the control of the BMP signaling. Francesca M. Spagnoli, Ali H. Brivanlou. Lab. VertebrateEmbryology, The Rockefeller University, New York
46
10:00 The role of Slit family guidance cues in breast. Lindsay Hinck. MCD Biology, UC Santa Cruz, CA
10:30
Coffee Break
47
11:00 Planar cell polarity and the coordination of cell behaviors duringaxis elongation. James T. Blankenship, Justina Sanny, Ori Weitz, Jennifer Zallen.Dept. of Dev. Biol., Sloan-Kettering Institute, New York, NY
48
11:15 Multiple functions of Snail family members in palate development andcraniofacial morphogenesis. Stephen A. Murray, Kathleen F. Oram, Thomas Gridley. The JacksonLaboratory, Bar Harbor, ME
49
11:30 Cell-autonomous accumulation of the Drosophila HIF-α homologueSima in tracheal cells contributes to tracheal extra-sprouting in hypoxia. Pablo Wappner, Andres Dekanty, Lazaro Centanin. Instituto Leloir,Buenos Aires, Argentina.
50
12:00 Regulation of growth by the Fat tumor suppressor pathway. Ken Irvine, Eunjoo Cho, Yongqiang Feng, Hiroyuki Ishikawa, Binnaz Kucuk,Yaopan Mao, Hyangyee Oh, Cordelia Rauskolb. Howard Hughes MedicalInstitute, Waksman Institute and Department of Molecular Biology andBiochemistry, Rutgers The State University of New Jersey, Piscataway NJ
51
12:15 Fgf8 is essential for development of the male reproductive tract. Yutaka Ueda, M Lewandoski, S Plisov, C Wilson, N Sharma, C Elder,A Perantoni. Lab Comp Carcinog and, 2Cancer and Dev Biol Lab, NCI,Frederick, MD
12:30–1:30 PM
Science Writing Skills Workshop II Mallorca
52
Critical Issues Jasna Markovac, SDB and Marsha Matyas, APS Pre-registration required
12:30–1:30 PM
Lunch


12:30–6 PM
Exhibits and Posters Open Goya, Dali and Greco
1:30–3:30 PM
Professional Development and Education Symposium Miró, Murilo, Picasso and Del Prado
53
Communicating Science without the Jargon
1:30
Scott Gilbert, Swarthmore, Chair — Bringing developmental biology to the public
1:50
Eugenie Scott, National Center for Science Education — Reaching the general public
2:10
Joe Palca, National Public Radio — How media cover science
2:30
Christina Nichols, Acad for Educ Development — Cultural and language nuances
2:50
Open discussion
3:30–4 PM
Coffee Break
4–6 PM
Plenary Session II Miró, Murilo, Picasso and Del Prado
54
4:00 Cerebellum patterning: from folds and stripes to circuits. Alexandra L. Joyner, Roy V. Sillitoe, Sema Sgaier, Yulan Cheng,Anamaria Sudarov. Developmental Biology Program,Sloan-Kettering Institute, New York
4:30
Genetic dissection of branching morphogenesis. Mark Krasnow. Biochemistry, Stanford University, Stanford, CA
55
5:00 Comparing the regulation of segmentation and limb formation in insects. Thom Kaufman. Dept. of Biol., Indiana University, Bloomington, IN
5:30
Luis Herrera Estrella, CINVESTAV, Mexico — Regulation of rootdevelopment in response to nutrient availability
6–7 PM
LASDB Board of Directors Meeting Mallorca
6–7 PM
MBL Embryology Alumni Mixer Menorca
6–8 PM
Dinner on your own
8–11 PM
Poster/Exhibits Session III Goya, Dali and Greco Please see Poster Session assignment in the end of the Meeting Program
Poster Session III themes: Cell Fate Specification, Morphogenesis, Late Abstracts, Student Best Poster Competition Finalists.

Tuesday June 19, 2007
7:30–8:45 AM
Breakfast Sessions III
56
LEADER-BEN Tutorial— Submitting learning/teaching objects for the SDB digital library Diana Darnell, U AZ and SDB, and Marsha Matyas, APS Lanzarote Tutorial sponsored by the International Journal in Developmental Biology Mallorca Claves artísticas y técnicas para publicar un buen artículo David Fogarty, IJDB
9 AM–12:30 PM
Concurrent Symposia III Reproduction Miró, Murilo and Picasso Judith Kimble, U Wisconsin-Madison — Chair
9:00
From sexual to apomictic development in flowering plants. Jean Philippe Vielle-Calzada. CINVESTAV, Mexico
57
9:30 Examination of the role of the Arabidopsis MADS-box transcription factorsAGL6 and AGL13 in reproduction. Stephen E. Schauer, Ramarmurthy Baskar, Lukas Brand, Arturo Bolaños,Monica Grobei, Michael Federer, Urs Jauch, Valeria Gagliardini. Institute ofPlant Biology, University of Zürich, Zürich, Switzerland.


58
9:45 Establishment of oocyte polarity in vertebrates. Mary Mullins, Tripti Gupta. Dept of Cell and Dev Biol, University ofPennsylvania, Philadelphia, PA
10:00
The battle of the sexes: patterning the gonad. Blanche Capel. Dept of Cell Biol, Duke University Medical Center, Durham, NC
10:30
Coffee Break
59
11:00 Formation of the female reproductive tract, a unique form of tubulogenesis. Grant D. Orvis, Richard R. Behringer. Dept. of Molecular Genetics, UT M.D. Anderson Cancer Center, Houston, TX
60
11:15 Multiphasic role of Shh during external genital development and cloacalseptation. Ashley W. Seifert, Brian Harfe, Martin Cohn. Dept. of Zool., Univ. of Fl., Gainesville, Fl; Dept. of MGM, Univ. of Fl., Gainesville, Fl
11:30
Regulation of differentiation in an adult stem cell lineage. Minx Fuller. Stanford Univ School of Medicine, Stanford, CA
61
12:00 Role of autonomous and non-autonomous sex determination signals insexually dimorphic development of the Drosophila embryonic gonad. N R. Crnkovich, T J. DeFalco, S Le Bras, A L. Casper, M B. Van Doren.Dept of Biology, Johns Hopkins University, Baltimore, MD
62
12:15 VBH-1 is a DEAD Box RNA helicase required for germ cells function inC. elegans. Rosa E. Navarro, Laura S. Salinas, Daniel Paz, Ernesto Maldonado. Depto.de Biol. Cel., IFC, Universidad Nacional Autónoma de México. México;Depto. de Genética Molecular, IFC, Universidad Nacional Autónoma deMéxico. México
Development of the Integument and Sensory Perception
Del Prado Barry Dickson, Inst Molec Pathology, Austria — Chair
9:00
Molecular signaling in feather morphogenesis: lessons for stem cellpatterning. Cheng-Ming Chuang, USC
63
9:30 Evidence that a late-emerging population of trunk neural crest cells formsthe turtle plastron and nuchal bones. Scott F. Gilbert, Erin Betters, Melinda Yin, Callie Plafkin, Gunes Bender,Kendra McDow. Department of Biology, Swarthmore College, Swarthmore,PA; Department of Biology, Millersville University, Millersville, PA;Division of Science, Friends Central High School, Wynnewood, PA
64
9:45 Drosophila Homer is required for retinal apoptosis.
Erica J. Hutchins, Jamie C. Rusconi. Department of Biological Sciences,University at Albany, Albany, NY

65
10:00 Regulation of cell fate and patterning in the mammalian cochlea. Matthew W. Kelley, Mireille Montcouquiol, Chad Woods, Jennifer E. Jones, Bonnie E. Jacques, Chandrakala Puligilla, Alain Dabdoub, Elizabeth C. Driver. Section on Developmental Neuroscience, NIDCD, NIH, Bethesda, Maryland
10:30
Coffee Break
66
11:00 Development and regeneration in the zebrafish lateral line. Miguel L. Allende, Pedro Hernandez, Francisco Olivari, Andres Sarrazin, Viviana Nuñez, Pablo Sandoval, Viviana Gallardo. CGC, Facultad deCiencias, Universidad de Chile


67
11:15 An insertional mutation in the vesicle traffic vps18 gene produces visualacuity loss in zebrafish embryos. Ernesto Maldonado, Rosa E. Navarro. Department of Molecular Genetics,Instituto de Fisiología Celular, Universidad Nacional Autónoma de México,UNAM, MEXICO; Department of Cell biology, Instituto de FisiologíaCelular, Universidad Nacional Autónoma de México, UNAM, MEXICO
68
11:30 The mind of a male worm-development of the C. elegans male'snervous System. Scott Emmons. Dept of Molecular Genetics, Albert Einstein Collegeof Medicine, Bronx, NY
69
12:00 Lens: a ground state for all sensory placodes and its inhibition by FGFand neural crest derived signals. Andrea Streit, Andrew Bailey, Sujata Bhattacharyya,Marianne Bronner-Fraser. Craniofacial Development, King's CollegeLondon, London, UK; Division of Biology, Caltech, Pasadena, CA
70
12:15 Embryonic Sonic hedgehog-expressing taste placodes are tastebud progenitors. Shoba Thirumangalathu, Linda A. Barlow. Dept. of Cell andDevelopmental Biology. U Colorado Health Sci Ctr, Aurora, CO
12:30–1:30 PM
Lunch
1:30–3:30 PM
Plenary Session III Miró, Murilo, Picasso and Del Prado
1:30
Controlling the balance between proliferation and differentiation in theC. elegans germ line Judith Kimble, U Wisconsin-Madison
71
2:00 Genetic dissection of Drosophila courtship behaviour Barry J. Dickson, Laszlo Tirian, Georg Dietzl. IMP (Research Instituteof Molecular Pathology) Vienna, Austria
72
2:30 Gastrulation in amniote embryos: positioning and shaping the primitive streak Claudio D. Stern, Octavian Voiculescu, Federica Bertocchini,Isaac Skromne, Ray E. Keller. Dept. Anatomy and Dev Biol., Univ.College London, London, UK; Dept Gen and Dev, Columbia University,New York; Dept Organismal Biology, Univ Chicago, Chicago, IL;Dept Biology, Univ Virginia, Charlottesville, VA
73
3:00 Role of Wnt signalling in neural crest development: from induction tomigration Roberto Mayor, Helen Matthews, Lorena Marchant, CarlosCarmona-Fontaine, Sei Kuriyama. Department of Anatomy andDevelopmental Biology, University College London, UK
3:30–4 PM
Coffee Break
4–6 PM
Awards Lectures Miró, Murilo, Picasso and Del Prado Edwin G. Conklin Medal — Presented by Gail Martin, SDB President Janet Rossant, Hospital for Sick Children and Univ of Toronto
Developmental Biology-SDB Lifetime Achievement Award — Presented byEric Wieschaus, SDB President-elect
Eric Davidson, CALTECH
Hamburger Outstanding Educator Prize — Presented by Bill Wood,SDB Professional Development and Education Committee Chair
Eugenie Scott, National Center for Science Education
7:30–11 PM
Awards Reception and Closing Banquet Goya, Dali and Greco
Wednesday, June 20, 2007Departure
8 AM–2 PM SDB Board of Directors Meeting Tapies


POSTER SESSIONS ABSTRACTS

Goya, Dali and GrecoPoster Session I

Saturday, June 16, 9–11 PM (authors present)Sunday, June 17, 8–9 AM, 12:30–1:30 PM (for viewing)Numbers in italics indicate Abstract Program Number.“B” numbers indicate Poster Board Numbers.Set-up time: Saturday, June 16, 3–7 PM. Take-down time: Sunday, June 17, 1:30–2 PMOdd Board number authors present posters on Saturday, June 16, 9–10 PMEven Board number authors present posters on Saturday, June 16, 10–11 PM

Poster Session I themes: Education, Molecular Medicine and Development, Cell Proliferation, Cell–cell Signaling, Intracellular Signaling Pathways, GeneRegulation, Patterning and Transcription Factors, Cell Motility and Guidance.

Education

74
B1 Teaching developmental biology at university of Havana. A. Sanz. Dept. Animal Biol, Biol. Fac., Havana Univ., Havana, Cuba
75
B2 Success of student-directed experimentation in a developmental biology laboratory class. H.R. Wilkins. Dept. of NaturalSciences, Assumption College, Worcester, MA USA
76
B3 Novel use of primary literature in class promotes critical thinking as well as interest in research careers. S.G. Hoskins, L.M.Stevens. Dept. of Biol., City College of CUNY, New York NY USA; Section of Mol., Cell, and Devel. Biol., University ofTexas, Austin, Austin TX USA
77
B4 Undergraduate Cell and Developmental Biology Laboratory designed to increase student learning of transfection of culturedcells with GFP plasmids. D.E. Bramblett, F.A. Pereira, R.C. Rosell. Biology Department, University of St. Thomas,Houston, Texas 77006; Huffington Center on Aging, Dept of Otolaryngology-HNS, Mol. and Cell Biol., Baylor College ofMedicine, Houston TX 77030
78
B5 The Group Investigation Course: transitioning undergraduates into research in developmental neurobiology.B. Lom, F.L. Watson. Biology, Davidson College, Davidson, NC
79
B6 Enlarging contexts: enhancing learning in Developmental Biology using web conferencing in the classroom.M.J. Barresi. Biological Sciences, Smith College, Northampton, MA, USA
Molecular Medicine and Development

80
B7 Identification of potential Tbx1 targets in a mouse model of DiGeorge syndrome. K. Lammerts van Bueren, S. Ivins,C. Roberts, A. Calmont, K. Pearce, E. Lindsay, A. Baldini, P. Scambler. Institute of Child Health, London, UK;University Federico II, Naples, Italy
81
B8 Chd7 mutant mice phenocopy CHARGE and DiGeorge syndromes in the pharyngeal arch region of the developing embryo.V.A. Randall, C. Roberts, P. Scambler. Molecular Medicine Unit, Institute of Child Health, UCL, London, UK
82
B9 Dissecting DiGeorge Syndrome: the interaction between Tbx1 and the retinoic acid pathway. C. Roberts, S. Ivins,A.C. Cook, K. Lammerts van Buren A. Baldini P.J. Scambler. Molecular Medicine Unit; Cardiac Unit, Institute of ChildHealth, 30 Guilford St, London, WC1N 1EH, UK; Institute of Biosciences and Technology, Texas A and M University HealthSciences Center, 2121 W. Holcomb Blvd., Houston, TX 77030, USA
83
B10 RALDH2 variants and congenital heart disease. M. Pavan, A.C. Pereira, J. Xavier-Neto. Depto. Genética e CardiologiaMolecular, InCor, Univ. São Paulo — SP
84
B11 Embryonic cardiovascular development in the Ts65Dn mouse model for Down syndrome. L.A. Hakkinen, C.S. Moore.Department of Biology, Franklin and Marshall College, Lancaster, PA, USA
85
B12 A novel isoform of D-sarcoglycan is localized at the sarcoplasmic reticulum of mouse skeletal muscle. F. Estrada, D. Mornet,H. Rosas-Vargas, A. Angulo, A. Solares, M. Hernandez, V. Becker, R. Coral-Vazquez. Unidad de Investigación Médicaen Genética Humana, Hospital de Pediatría, Centro Médico Nacional Siglo XXI-IMSS, Av. Cuauhtémoc 330, Col. Doctores,C.P. 06720 México, D.F.; Lab. de Biol. Mol., Escuela de Medicina, Universidad Panamericana, México DF; INSE


86
B13 BMPs regulate the survival of enteric cells in adult gut. S.M. Honoré, S.B. Genta, E.I. Villecco, S.S. Sánchez. INSIBIO(CONICET-UNT) Chacabuco 461. M. de Tucumán. Argentina. T4000ILI. E-mail: [email protected]
87
B14 Comparative analysis of the expression Wnt family members during osteoarthritis formation and in articular cartilage.C. Velasquillo, D. Garciadiego, M. Almonte, C. Ibarra, J. Kouri, J. Chimal-Monroy. Instituto Nacional deRehabilitacion; CINVESTAV, IPN; Instituto de Investigaciones Biomedicas, UNAM, Mexico
88
B15 Underlying mechanisms of pulmonary hypoplasia in Connective Tissue Growth Factor (CTGF)-deficient mice.M. Baguma-Nibasheka, B. Kablar. Dept. of Anatomy and Neurobiology, Dalhousie Univ., Halifax, NS, Canada
89
B16 Dll3-Notch1 signaling: functional genomic analysis of downstream genes and genetic interactions modeling vertebral defects.W. Sewell, A. Smith, K.M. Loomes, S.A. Stevens, M.L. O'Brien, D.M. Gonzalez, M.J. Ryan, E.F. Rappaport. SchoolLife Sciences, Arizona State Univ, Tempe AZ, USA; Div Gastroenterology and Nutrition, Children's Hosp Philadelphia, PA,USA; Div Human Genetics and Orthopaedic Surgery, Children's Hosp Philadelphia. PA, USA; Dept Pediatrics, Univ PennSchool Med, Philadelphia
90
B17 The vacuolar–ATPase complex is required for the survival of retinal and RPE cells in the zebrafish eye. J.M. Gross,R. Nuckels. MCDB Dept., Univ. Texas at Austin
91
B18 Effect of Aβ expression on development of learning deficits in APP-transgenic mice. J. Frackowiak, B. Ranasinghe,G. LaFauci, W. Kaczmarski R. Rubenstein, B. Mazur-Kolecka. NYS IBRDD, New York, NY, USA
92
B19 Variations in the bone marrow and the thymus in BALB/c neonates from mothers infected with Toxoplasma gondii duringgestation. M.C. Cabañas, E.M. Reyes, L.C. Montiel, E.G. Latorre, L.Z. Jiménez. Dept. de Inmunol., ENCB IPN, DF,México; Dept. de Morf., ENCB IPN, DF, México
93
B20 Periodontitis a risk factor for pre-term birth and low weight of products: an animal model. I.D. Altamirano, M.R. Ayala,M. Cabañas, O.O. Ortega. Dept. de Inmunol., ENCB IPN., México, DF, México; Lab. Multidisc. de Inv.,EMGS UDEFA SEDENA., México, DF, México; Dept. de Period., UEO SEDENA., México, DF, México
94
B21 Molecular etiology of cleft palate formation in Wnt5a mutants. F. He, W. Xiong, S. Gu, Y. Chen. Dept. of Oral Biol.,The Ohio State Univer. Health Sciences Center, Columbus, OH, USA
95
B22 Strain difference in transgenic mouse production. F. Pan, J. Wang. Biotechnology Center, University of Illinois, Urbana,IL61801, USA
Cell Proliferation

96
B23 Sonic Hedgehog (SHH) role in dorsal midbrain proliferation in vertebrates. C. Feijoo, P. Lois, F. Araya, V. Palma.Millennium Nucleus in Developmental Biology, Faculty of Science, University of Chile; Andrés Bello University
97
B24 CNBP mediates neural crest cell expansion by controlling cell proliferation and cell survival during rostral head development.A.M. Weiner, M. Allende, T. Becker, N. Calcaterra. Dept. Biol. del Desarrollo, IBR-CONICET, Argentina; MNDB,Fac. de Ciencias, Chile; Sars International Centre, Norway
98
B25 The role of the EG5 Kinesin in regulating radial glial cell numbe. K.M. DiPietrantonio, A. Ortman, R. Karlstrom,A. Amsterdam, N. Hopkins, M. Barresi. Dept. of Biology, Smith College; Univ. Mass. Amherst; MIT
99
B26 Sonic hedgehog signaling promotes cell cycle progression and consequently causes epidermis dysplasia of the zebrafish embryos.Y. Chen, T. Yu. Graduate Institute of Life Sciences, Tamkang University, Tamsui, Taipei, Taiwan
100
B27 Uncoupled precursor cell cycle exit and differentiation. J. Drouin, S. Bilodeau, A. Roussel-Gervais. Laboratory of MolecularGenetics, Institut de recheches cliniques de Montréal (IRCM), 110 avenue des Pins Ouest, Montréal QC, Canada H2W 1R7
101
B28 Identification and characterization of epithelial stem cells in the apical bud of the mouse mandibular incisor. H. Kwon, S. Cho,M. Lee, J. Kim, H. Jung. Div. in Anat. and Dev. Biol., Dept. of Oral. Biol., College of Dentistry, Yonsei Univ., Seoul, Korea;Research Center for Orofacial Hard Tissue Regeneration, Brain Korea 21 Project, Oral Science Research Center,Yonsei Center of Biotechnology, Seoul, Korea
102
B29 Developmental study of neurogenesis in APP-transgenic mice. R. Kolecki, J. Frackowiak. Lehigh Univ, Bethlehem, PA, USA;NYS IBRDD, New York, NY, USA
103
B30 Prenatal corticosterone influences the nucleolus and AgNOR aspect in Purkinje and granule cerebellar neurons.C. Rugerio-Vargas, M. Ramirez, C. DelaRosa, R. Ortiz, P. Rivas. Dept. of Cell and Tissue Biol., Faculty of Medicine,National Univ. of Mexico.; Dept. of Cell Biol., Faculty of Sciences, National Univ. of Mexico; Dept. of Compared Biol.,Faculty of Sciences, National Univ. of Mexico. Mexico City
104
B31 Dynamics of neuroepithelial cell proliferation in the developing chick optic tectum. M. Rapacioli, A. Ortalli,R. Rodríguez-Limardo, V. Sánchez, G. Scicolone, V. Flores. Interdisc Group in Theoretical Biology Favaloro [email protected]; Lab Dev Neurobiol Inst Cell Biol and Neurosci “Prof. E. De Robertis” UBA Argentina
mailto:[email protected]



105
B32 Multiple functions of Gdf11 in spinal cord development. J. Liu, Y. Shi, M. Barnette, S. Lee. Dept. of Neurosci.Univ. of Virginia, Charlottesville, VA, USA; Dept. of Mol. Biol. and Genet. Johns Hopkins Univ. Baltimore, MD, USA
Cell–Cell Signaling

106
B33 Cloning of splicing variants and embryonic expression of avian Axin2. L. Ding, A.J. Gamel, F. Dai, F. Yusuf,B. Brand-Saberi. IInstitute of Anatomy and Cell Biology II, University of Freiberg, Albertstrasse 17, 79104 Freiburg,Germany; Dept of Neurobiology and Anatomy, Wake Forest University Health Sciences, Winston Salem, NC 27157, USA
107
B34 Wnt3a and Wnt5b signaling pathways during chick development. Y. Martinez, K. Sanders, M. Meyerzon, L. Burrus.Biol., SFSU, CA, USA
108
B35 Gas1 extends the range of hedgehog action by facilitating its signaling. D.C. Martinelli, C. Fan. Dept. of Biology,Johns Hopkins University, Baltimore, MD, USA; Dept. of Embryology, Carnegie Institution of Washington,Baltimore, MD, USA
109
B36 Genetic analysis of FGF signaling in axis extension and somitogenesis. M. Lewandoski, T.P. Yamaguchi, G. Duester,N. Holder. Cancer and Developmental Biology Laboratory; NCI-Frederick, NIH, Frederick, MD, USA; Burnham Institutefor Medical Research, La Jolla, CA, USA
110
B37 Wnt signaling and ventral dermis development in the mouse embryo. O.E. Anyangwe, J. Myers, R. Atit. CuyahogaCommunity College Bridges to Success in Sciences Program, Cleveland Ohio, USA; Case Western Reserve University,Cleveland Ohio, USA 2006 Ann Biomed Res Conf for Minority Students Best Developmental Biology Poster Award
111
B38 The role of Notch signaling in mouse lens development. N.L. Brown, K.W. Conley, T.T. Le, S. Rowan. Div. ofDevelopmental Biology, Childrens Hosp Res Foundation, Cincinnati, OH, USA; Div of Genetics, Dept of Medicine,Harvard Medical School, Boston, MA, USA
112
B39 The Yin and Yang of Notch signalling; trans-activation and cis-inhibition fine-tune Notch signalling. S.L. Dunwoodie,D.B. Sparrow, G. Chapman. Victor Chang Cardiac Research Institute, Sydney, Australia.; Faculties of Medicine andLife Sciences, University of New South Wales, Sydney, Australia
113
B40 The role of endocytosis in activin signalling during mesoderm induction in Xenopus. X. Xu, J. Smith. Gurdon Institute,University of Cambridge, UK
114
B41 The role of Endothelin-1/Endothelin Receptor A signaling in neural crest specification and cell survival. M. Bonano,C. Tribulo, S.S. Sanchez, R. Mayor, M.J. Aybar. Dept. Biol. Desarrollo, INSIBIO-UNT, S.M. Tucuman, Argentina;Dept. Anatomy and Dev. Biology, UCL, UK
115
B42 Substrate selectivity by proprotein convertases. S.M. Nelsen, J.L. Christian. Mol. and Med. Gen., OHSU, Portland,OR, USA; Cell and Dev. Biol., OHSU, Portland, OR, USA
116
B43 Role of adherens junctions in regulating neurogenesis in the vertebrate central nervous system (CNS). K. Chalasani,R. Brewster. Department of Biological Sciences, University of Maryland Baltimore County, Baltimore, MD, USA
117
B44 Subcellular distribution of endogenous Delta protein in the zebrafish embryo reveals a potential role for Notch in determiningDelta endocytosis. M. Matsuda, A. Chitnis. Lab. of Molecular Genetics, NICHD, NIH, Bethesda, MD, USA
118
B45 Targeting of Sanpodo to asymmetric pericentrosomal early endosomes regulates Notch signaling in Drosophila sensoryorgan precursor cells. F. Roegiers, X. Tong, D. Zitserman. Fox Chase Cancer Center, Philadelphia, PA, USA
119
B46 Characterization of the protein localization of Pyramus and Thisbe, Drosophila FGF ligands. S.L. Payne,A.M. Stathopoulos. Dept. of Biology, California Institute of Technology, Pasadena, CA, USA
120
B47 Developmental regulation of the cell cycle transition from genomic to site-specific DNA replication in Drosophila.A.J. Armento, J. Sun, W. Deng. Department of Biological Sciences, Florida State University. Tallahassee, FL, USA
121
B48 Interaction of multiple cell signaling pathways during follicle cell patterning in Drosophila oogenesis. J.S. Poulton,W. Deng. Dept. of Biol. Sci., Florida State Univ., Tallahassee, FL, USA
Intracellular Signaling Pathways

122
B49 Expression of insulin receptor isoforms in honey bee (Apis mellifera) caste development. K. Hartfelder, S.V. Azevedo.Universidade de São Paulo, Ribeirão Preto, Brazil
123
B50 Role of the hypoxia-response pathway on cell size determination and growth control. A. Dekanty, L. Centanin,P. Wappner. Instituto Leloir, Buenos Aires, Argentina


124
B51 New transcription factors in the Jun kinase pathway. J.R. Riesgo Escovar, N.O. Nazario Yepiz. Depto. de Neurobiologíadel Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Campus UNAMJuriquilla, Querétaro, QRO, México
125
B52 CNBP is phosphorylated by PKA during zebrafish embryonic development. V.A. Lombardo, P. Armas, N. Calcaterra.Div. Biol. Des., IBR-CONICET, UNR, Argentina
126
B53 Withdrawn
127
B54 The GAIP-interacting-protein-1 (GIPC1): gene and protein expression in developing zebrafish. I.J. Marques, J.T. Leito,C.P. Bagowski. Department of Integrative Zoology, Institute of Biology University Leiden, The Netherlands; AcademicCentre for Dentistry Amsterdam Department of Dental Basic Sciences, The Netherlands
128
B55 Ectodermal neural differentiation in the absence of organizer in salamander requires Ras/MAPK activation. C. Hurtado,E.M. De Roberits. HHMI and Dept. of Biol. Chem., UCLA, Los Angeles, CA, USA
129
B56 Integrating cell–cell signals: duration of the Smad1/BMP signal is regulated by GSK3 and MAPK phosphorylations.L. Fuentealba, E. Eivers, E. De Robertis. Howard Hughes Medical Institute and University of California,Los Angeles, CA, USA
130
B57 Modulation of BMP and nodal signaling pathways and Xenopus neural crest development by TRAF4. G.H. Thomsen,Y. Iwasaki, T. Kalkan. Dept Biochemistry and Cell Biol., Stony Brook Univ, Stony Brook, NY, USA
131
B58 Epithelial Alk3-mediated bMP signaling is essential for mouse lung development in vivo. W. Shi, J. Sun, H. Chen.Developmental Biology Program, Childrens Hospital Los Angeles
132
B59 Genetic analysis of BMP-mediated cell survival in the limb bud mesenchyme. S. Underwood, Y. Mishina,U. Grieshammer, G. Martin, T. Williams, M. Lewamdoski. Cancer and Developmental Biology Laboratory;NCI-Frederick, NIH, Frederick, MD, USA; Laboratory of Reproductive and Developmental Toxicology, NIEHS, NIH,Research Triangle Park, NC, USA; Department of Anatomy and Program in Developmental Biology, UCSF, Sa
133
B60 The role of sprouty in regulating cell proliferation during ocular lens development. L.W. Reneker, L. Xie. Departmentof Ophthalmology, University of Missouri, Columbia, MO, USA
134
B61 Numb protein isoforms differentially regulate Notch1, Notch2 and Notch3. B.J. Beres, J. McGlade, A. Rawls,J. Wilson-Rawls. School of Life Sciences, Arizona State University, Tempe, AZ, USA; The Arthur and Sonia LabattBrain Tumor Research Centre, The Hospital for Sick Children and Department of Medical Biophysics, University ofToronto, Toronto, Ontario, Ca; Basic Medical Sc
135
B62 Possible role of Sorcin during mouse development. I. Ricaño, E.P. Zarate-Díaz, A. Varela-Echavarría,A. Antaramian. Instituto de Neurobiología, UNAM, Querétaro, México
136
B63 Glucose transporters on atrial natriuretic peptide-induced glucose uptake by adult and neonatal hypoxic cardiomyocytes.R. Carbo, V. Sosa, V. Guarner. Dept. Physiology, Instituto Nacional de Cardiologia, Mexico D.F. MEXICO
137
B64 Yolk sac vascular remodeling mediated by PDGF. W.J. French, M.D. Tallquist. UT Southwestern, Dallas, TX
138
B65 Ectopic expression of mouse Sry interferes with Wnt/β-catenin signaling. Y. Marikawa, D.A. Tamashiro, V. Alarcon.Dept. of Anat. Biochem. and Physiol., Univ. of Hawaii, Honolulu, HI, USA
Gene Regulation

139
B66 Quantitative dissection of a repressive morphogen gradient. D. Yu, S. Small. Biology Dept., New York University
140
B67 The possible interaction between ORF2 and TFIIH in Drosophila melanogaster. M. Herrera, M. Fregoso, E. Reynaud,M. Zurita. Dpto. de Genética del Desarrollo y Fisiología Molecular. IBT, UNAM. Cuernavaca, Mor. México
141
B68 Developmental defects caused by mutations in the p52 subunit of TFIIH in Drosophila mimic human diseases. L. Fregoso,J. Lainé, J. Aguilar-Fuentes, V. Moquet, E. Reynaud, F. Coin, J. Egly, M. Zurita. Depto. de Genética del Desarrolloy Fisiología Molecular, Instituto de Biotecnología, UNAM; Institut de Génétique et de Biologie Moléculaire et Cellulaire,67404 Illkirch Cedex, C.U. de Strasbourg, France
142
B69 Drosophila klumpfuss, like its vertebrate homologue, Wilm's Tumor Supressor-1, is localized to both the nucleus and thecytoplasm and mat bind RNA. B.J. Zaffo, J.C. Rusconi. Dept Biol Sci. U@Albany, NY, USA
143
B70 The corepressor dCtBP locally inhibits the dorsal activator in the Drosophila embryo. Y. Nibu, H. Aihara, M. Stern.Dept of Cell and Dev. Biol., Weill Med. Col. of Cornell Univ, New York, NY, USA


144
B71 Conformation studies of myofibril-inducing RNA using the Mexican axolotl. E. Rueda-de-Leon, G. Athauda, C. Zhang,J.A. Maier, P. Jia, A.K. Stassi, S.L. Lemanski, L.F. Lemanski. Department of Biomedical Sciences, Florida AtlanticUniversity, Boca Raton, FL, USA
145
B72 The transcriptional relationship between maternal Xoct60 and zygotic Xoct25 in Xenopus laevis. L. Chong, N. Eriko,K. Tsutomu. Dept. of Bioscience, Kwansei Gakuin Univ., Japan
146
B73 The regulation of SoxB1 genes during neural induction in Xenopus laevis. C.D. Rogers, E.M. Silva Casey.Georgetown University
147
B74 A novel β-catenin-associated histone methyltransferase activity and its role in dorsoventral patterning. S. Blythe, P. Klein.University of Pennsylvania, Philadelphia, PA 19104
148
B75 Molecular cloning of zebrafish tortuga: insights into cyclic transcript regulation. J.M. McCammon, M.L. Goldrich,K. Dill, S.L. Amacher. Dept. of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA, USA;Kewalo Marine Laboratory, University of Hawaii, Honolulu, HI, USA
149
B76 T-box transcription factors in zebrafish mesoderm development. A.T. Garnett, T.M. Han, M.B. Eisen, S.L. Amacher.University of California, Berkeley, CA, USA; Lawrence Berkeley National Laboratory, Berkeley, CA, USA
150
B77 Regulation of odd-skipped related 1 (osr1) in the chicken. P.V. Alexandra, T.M. Schultheiss. Dept. of Gen.,Harvard Medical School, Boston, MA, USA; Dept. of Molec. Med., BIDMC, Boston, MA, USA
151
B78 Hoxa13 regulation and function during embryonic development. M. Scotti, M. Kmita. Genetics and Development Unit,IRCM, Université de Montréal, 110 avenue des Pins Ouest, H2W 1R7, Montréal, Quebec, Canada
152
B79 Regulatory enhancers in the Raldh2 gene. R. Cravo, H. Castillo, M. Simoes-Costa, M. Nobrega, J. Gonzalez,E. Slonimsky, N. Rosenthal, J. Xavier-Neto. Lab. Genética e Cardiol. Mol, InCor, FMUSP, Brazil; Dept HumanGenetics, Univ. of Chicago, USA; EMBL Europ. Mol Biol Lab Mouse Biol Programme, Italy
153
B80 Identification of a conserved roof plate enhancer in the Raldh2 gene. H.A. Castillo, R.M. Cravo, M. Nóbrega,J. Xavier-Neto. Dept. of Dev. Cell Biol., São Paulo Univ., São Paulo, SP, Brazil; Laboratório de Genética eCardiologia Molecular, Instituto do Coração-InCor-HC. FMUSP; CLSC, University of Chicago, 60673
154
B81 Genomic regulation of the Dll-B gene in the ascidian Ciona intestinalis. M.D. Blanchette, B.J. Millette, S. Irvine.Dept. of Biological Sciences, Univ. of Rhode Island, Kingston, RI, USA
155
B82 Gene regulation in the ancestral notochord: insights from a collection of cis-regulatory elements from the ascidianCiona intestinalis. A. Di Gregorio, J.E. Kugler, I. Oda-Ishii, D.N. Keys, J. Imai, A. DeWan, J. Ott,P.M. Richardson. Dept. of Cell and Dev. Bio., Weill Med. Col. of Cornell Univ., New York, NY, USA; U.S. Dept. ofEnergy Joint Genome Inst., Walnut Creek, CA, USA; Lab of Statistical Genetics, Rockefeller Univ., New York, NY, USA
156
B83 Dissecting Pax6 regulation in a basal chordate Ciona intestinalis. V.C. Fonseca, M.A. Zompa, S.Q. Irvine. Departmentof Biological Sciences, University of Rhode Island, Kingston, RI, USA
157
B84 Initiation of mouse retinal neurogenesis via Pax6 regulation of Math5. A.N. Riesenberg, T.T. Le, M.L. Spencer,D.C. Blackburn, N.L. Brown. Division of Developmental Biology, Children's Hospital Research Foundation,Departments of Pediatrics and Ophthalmology, University of Cincinnati School of Medicine, Cincinnati, OH 45229;Museum of Comparative Zoology and Department of Organismic and Evol
158
B85 Molecular analysis of the genetic cascade controlling Dlx1/2 expression in the developing telencephalon. L. Poitras,N. Ghanem, G. Hatch, M. Ekker. Center for Advanced Research in Environmental Genomics (CAREG),Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
159
B86 Temporal regulation of Ath5 gene expression is coordinated by separate enhancers. M.I. Willardsen, M.L. Vetter.Dept. of Neurobiol. and Anat., Univ. of UT, Salt Lake City, UT, USA
160
B87 Investigating the role of the argonautes during mouse embryogenesis. S. Cheloufi, G. Hannon. Cold Spring HarborLaboratory, Cold Spring Harbor, NY11724
161
B88 The role of FGF8 in head myogenesis. G. Von Scheven, S. Dietrich. Dept. of Craniofacial Dev., King's College London,London UK
162
B89 Sox9 negatively regulates the expression of the muscle specific gene alpha sarcoglycan during myogenesis in C2C12 cellsculture. M. Hernández, P. Delgado, V. Aguillon, H. Rosas, F. Salanca, R. Coral. UIMGH CMN SXXI IMSS Mexico City


163
B90 Generation of a sarcospan knock-down model in 3T3-L1 preadipocytes. G. Hernandez, M. Rodríguez, F. Sánchez,R. García, H. Rosas, M. Cruz, F. Salamanca, R.M. Coral. UIMGH; UIMN; UIMB, CMNSXXI-IMSS,Mexico City, Mexico
164
B91 Analysis of the Gro/Tle co-repressors in pancreatic development. B. Zavaglia, B. Hoffman, J. Witzsche,C.D. Helgason. British Columbia Cancer Research Center, 675 W10th Ave, Vancouver, BC, Canada
165
B92 Ptf1a binds to area III, a highly conserved region of the Pdx1 promoter that mediates early pancreas-wide Pdx1expression. P.O. Wiebe, J.D. Kormish, Y. Fujitani, K.S. Zaret, C.V. Wright, R.W. Stein, M. Gannon.Dept. of Medicine, Vanderbilt Univ, Nashville, TN, USA; Dept. of Mol Phys and Biophys, Vanderbilt Univ, Nashville,TN, USA; Dept. of Cell and Dev Biol, Vanderbilt Univ, Nashville, TN, USA; Cell and Dev Biol Program, Fox ChaseCancer Center, Philadelphia, PA
166
B93 Genome-wide analysis of Nkx2.2 binding sites using ChIP-tag sequencing (ChIP-TS). B. Hoffman, D. Kok,J. Witzsche, M. Hirst, G. Robertson, P.A. Hoodless, S. Jones, M. Marra. British Columbia Cancer ResearchCenter, 675 W10th Ave, Vancouver, BC; Micheal Smith Genome Sciences Center Suite 100 570 West 7th Ave,Vancouver, BC
167
B94 Expression and TTF-1-mediated transcriptional control of α5 nAChRs in the developing lung. P.R. Reynolds,J.R. Hoidal. Dept. of Medicine, Univ. of Utah, Salt Lake, UT, USA
168
B95 Investigating microRNA function in mammalian lung development. K.S. Harris, M. McManus, B. Harfe, X. Sun.Laboratory of Genetics, University of Wisconsin-Madison; Department of Microbiology and Immunology, University ofCalifornia, San Francisco; Department of Molecular Genetics and Microbiology, University of Florida at Gainesville
Patterning and Transcription Factors

169
B96 The Gene Expression Database (GXD): a resource for developmental biologists. J.H. Finger, T. Hayamizu, I. McCright,C. Smith, J.T. Eppig, J. Kadin, J. Richardson, M. Ringwald. The Jackson Laboratory, Bar Harbor, ME, USA
170
B97 Exploring the expression pattern of basic helix loop helix, Bhlhb4. N.X. Nguyen, T. Kiyama, D.E. Bramblett. Biology,University of St. Thomas, Houston, TX 77006; Biochem and Mol. Biol., M. D. Anderson Cancer Center Houston, TX 77030
171
B98 The expression of zic1, zic2, zic3, and zic4 in early chick embryos. A. McMahon, K. Junette, C. Merzdorf.Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT, USA
172
B99 A microarray screen for direct targets of the Zic1 transcription factor. S.M. Hassan, S. Li, C. Merzdorf.Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT, USA
173
B100 Requirement of Goosecoid in early Xenopus development: a loss-of-function study. V. Sander, B. Reversade,E. De Robertis. Howard Hughes Medical Institute, University of California, Los Angeles, CA, USA
174
B101 TFIIH trafficking and its nuclear assembly during early Drosophila embryo development. J. Aguilar-Fuentes,V. Valadez-Graham, E. Reynaud, M. Zurita. Department of Developmental Genetics and Molecular Physiology,Institute of Biotechnology, UNAM, Cuernavaca, Morelos, Mexico
175
B102 A 17 nucleotide conserved sequence in VegT anuran orthologues. O.D. Perez, M.S. Benitez, K. Nath, J. Heasman,E.M. Del Pino. Pontif. Cath. Univ. Ecuador, Sch. Biol. C., Quito, Ecuador; Dept. of Plant Path, Ohio St. Univ., Wooster,OH, USA; Dept. of Biol. Sci., Duquesne Univ., Pittsburgh, PA, USA; Cincinnati Children's Res. F., Cincinnati, OH, USA
176
B103 Comparison of Lim1 protein expression in embryos of four different frogs. M.F. Venegas-Ferrín, N. Sudou, M. Taira,E.M. Del Pino. Pontif. Cath. Univ. Ecuador, Sch. Biol. C., Quito, Ecuador; Dept. Biol. Sci. Grad. Sch. Sci. Univ. Tokyo,Tokyo, Japan
177
B104 Ldb1, in conjunction with transcriptional regulators of the LIM-homeobox gene family, orchestrates limb patterning andoutgrowth during mouse embryonic development. H. Westphal, I. Tzchori, T.F. Day, P.J. Carolan, Y. Zhao, C.A.Wassif, M. Lewandoski, M. Gorivodsky. LMGD/NICHD/NIH/HHS, Bethesda, MD, USA; GDRB/NIGRI/NIH/HHS,Bethesda, MD, USA; UMD/HDB/NICHD/NIH/HHS, Bethesda, MD, USA; LCDB/NCI/NIH/HHS, Frederick, MD, USA
178
B105 Initiation and propagation of SHH signaling during limb development. A. Galli, L. Panmann, M. Osterwalder,D. Robay, R. Zeller. Dept. Dev. Genetics, Univ. of Basel, Basel, CH
179
B106 Genetic analysis of BMP2 and BMP4 in the limb apical ectoderm ridge. K. Choi, D.M. Maatouk B.D. Harfe.Dept. of Molecular Genetics and Microbiology, Univ. of Florida, Gainesville, FL, USA
180
B107 Gene expression pattern of Alk2, Smad1, Smad5, Smad8 and Smad6 during limb development. R.F. Abarca Buis,M. Bustamante, J. Chimal Monroy. Dep. Biología Celular y Fisiología, Instituto de Investigaciones Biomedicas UNAM


181
B108 Elevated levels of Gli3R alter anterior–posterior patterning in the chick limb. J.J. Lancman, Y. Li, C. Chiang, J.F. Fallon.University of Wisconsin-Madison, Madison, WI USA; Vanderbilt University Medical Center, Nashville, TN USA
182
B109 Molecular characterization of a nonsydromic polydactylous chicken. C.M. Bouldin, B.D. Harfe. Dept. of Mol. Gen. andMicrobiol., Univ. of Florida, Gainesville, FL, USA
183
B110 Zebrafish (Danio rerio) androgen receptor: cDNA fragment cloning and messenger RNA levels during embryonicdevelopment. C.S. Lassiter, L.C. Kratzke. Dept. of Biol., Roanoke College, Salem, VA, USA
184
B111 Presence of the androgen receptor in the development of the neural tube. R. Núñez Vidales, C. Méndez, C. Mondragón,E. Cruz, A. Aragón, V. Rodríguez, E. Pedernera. Depto. de Embriología, Facultad de Medicina, UNAM
185
B112 Bone morphogenetic protein (BMP) signaling is required for the specification of medial floor plate and the regulation ofmidbrain size and shape. J.L. Fogel, G.V. Agylamova, S. Agarwala. Inst. for Neuroscience; Section of Neurobiology;Section of Neurobiology, Inst. for Cell and Molecular Biol., Univ. of Texas-Austin, Austin, TX
186
B113 RFX4 transcription factor regulates IFT172 expression, cilia formation and dorsoventral patterning of the central nervoussystem. A.M. Ashique, M. Karlen, Y. Choe, J. Ericson, J.L. Rubenstein, A.S. Peterson. Dept Mol Biol, Genentech,South San Francisco, CA, USA; Cell and Mol Biol, Karolinska Institutet, Stockholm, Sweden; Psychiatry, UCSF,San Francisco, CA, USA
187
B114 Six3 is required for ventral cell fates in the telencephalon. D. Carlin, A. Inbal, S. Kim, L. Solnica-Krezel.Dept. of Biological Sciences, Vanderbilt University, Nashville, TN USA
188
B115 Zebrafish mbx1 and mbx2 regulate the embryonic development of the brain and eyes. L. Wong, V. Tropepe.Dept of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
189
B116 Induction of eye development in Drosophila. J.P. Kumar, C.L. Salzer. Dept. of Biol., Indiana Univ
190
B117 Identification of gene targets of the Drosophila D-Pax2 transcriptional activator involved in sensory systemdifferentiation. J. Kavaler, J. Heaphy, A. Czechowski, K. Harmon. Department of Biology, Colby College,Waterville, ME, USA; Department of Biology, Middlebury College, Middlebury, VT, USA
191
B118 Genetic interaction of Foxe3 and Pitx3 genes in lens mouse development. O.M. Medina, R. Shah, R. Berhinger,M. Jamrich. Dept. of Molecular Human Genetics, Baylor College of Medicine; Dept. of Molecular Biology,M.D. Anderson Cancer Center. Houston TX. USA
192
B119 Specification of zebrafish INs. K.E. Lewis, M. Batista, F. Weierud, S. Lutter. PDN, University of Cambridge, UK
193
B120 Analysis of mice kreisler mutants reveals new roles of neural tube signals in the axial patterning of the otic primordium.C. Vazquez-Echeverria, C. Pujades. BDCEXS, UPF, BCN, Spain
194
B121 El TGFβ y SU PAPEL DURANTE EL DESARROLLO DEL FENOTIPO TRHérgico HIPOTALAMICO. M. Martinez A.,C. Pérez M., J. Charli, L. Pérez M. Dept. Gene. Desarr. Fisiiol. Mol., Instituto de Biotecnología-UNAM.Cuernavaca Mor, México
195
B122 The Homeobox Gene Mohawk functions as a transcriptional repressor via three independent, evolutionarily conserveddomains. D.M. Anderson, A. Rawls. School of Life Sciences, Arizona State University, Tempe, Arizona, USA;University of Arizona College of Medicine-Phoenix, Phoenix, Arizona, USA
196
B123 Mechanisms of Hox functional specificity: the role of Hoxa10 in rib formation. T.L. Vinagre, A. Novoa, J. Bom,M. Mallo. Instituto Gulbenkian de Ciencia, Oeiras, Portugal
197
B124 Contribution of Hoxb1 to the development of the vertebrate skeleton. R.R. Buckley, R. Krumlauf. Stowers Institute forMedical Research, Kansas City, MO USA
198
B125 Third helix of murine Hoxc8 homeoprotein facilitates protein transduction in PPFF cells. K. Kong, H. Park, M. Kim.Dept. of Anatomy, Embryology Lab., BK 21 Project for Med. Sci., Yonsei Univ. College of Med., Seoul, Korea
199
B126 Hoxc8 directly regulates the expression of glucose-regulated protein 78, an ER chaperon. S. Kim, K. Kong, J. Kang,E. Lee, H. Yang, H. Min, M. Kang, M. Kim. Dept. of Anatomy, Embryology Lab., BK 21 Project for Med. Sci.,Yonsei Univ. College of Med., Seoul, Korea
200
B127 Analysis of Hoxc8 interacting proteins in F9 murine teratocarcinoma cells. H. Chung, M. Kang, H. Park, M. Kim.Dept. of Anatomy, Embryology Lab., BK 21 Project for Med. Sci., Yonsei Univ. College of Med., Seoul, Korea
201
B128 Post-translational regulation of the beta-cell specific factor Nkx6.1. A. Mavropoulos, F.C. Lynn, S. Peter,M.T. MacManus, M.S. German. Diabetes Cent., UCSF, San Francisco, CA, USA


202
B129 nkx2.7 transcription factor is involved in zebrafish cardiac development. A.C. Simões, T. Peterkin, R. Patient.Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, UK; PDBEB,Center for Neuroscience and Cell Biology, University of Coimbra, Portugal
203
B130 Heart beat is an epigenetic factor that regulates cardiogenesis through synergistic actions of Tbx5 and MRTF-B. T. Ogura,K. Ogura, S. Kakizaki, A. Suto, Y.S. Kida. Dept. of Dev. Neurobiol., IDAC, Tohoku Univ. Sendai, JAPAN
204
B131 Motoneurons influence angiogenesis in the developing zebrafish via Class 3 Semaphorins. R. Lamont, S. Childs.Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, AB, CANADA
205
B132 Exploring the role of mix in mesendoderm and blood specification in amphibians. G. Swiers, A. Johnson, M. Loose.Institute of Genetics, University of Nottingham, Queen's Medical Centre, Nottingham. NG7 2UH. UK
206
B133 Specification of the somitic and intermediate mesoderm in the avian embryo. C.N. Kamei, R.G. James, H. Kempf,A. Lassar, T.M. Schultheiss. Molecular Medicine Unit, Beth Israel Deaconess Medical Center, Boston MA USA;Harvard Medical School, Boston MA USA
207
B134 A proliferative role for Pax3 and Pax7 in the chick somite. R.S. Kadzik, T.L. Barnes, L.M. Galli, L.W. Burrus.Biology Dept., SFSU, San Francisco, CA USA
208
B135 The transcription factors Foxa2 and Noto pattern three distinct rostrocaudal regions of the axial midline in mouse.O.J. Tamplin, Y. Yamanaka, A. Gossler, J. Rossant. Dept. of Mol. and Med. Genetics, Univ. of Toronto, ON,Canada; Hospital for Sick Children, Toronto, ON, Canada; Institute for Mol. Bio., Hannover, Germany
209
B136 Withdrawn
210
B137 Keratin expression during the development of mouth. S. Kwak, M. Lee, H. Jung. Div. in Anat. and Dev. Biol.,Dept. of Oral Biol., College of Dentistry, Yousei Univ., Seoul, Korea; Research Center for Orofacial Hard TissueRegeneration, Brain Korea 21 Project, Oral Science Research Center, Yonsei Center of Biotechnology, Seoul, Korea
211
B138 stuck on you (soy) participates in Dlx mediated patterning of the pharyngeal arch intermediate domains in zebrafish.J.C. Talbot, M.B. Walker, C.B. Kimmel. Institute of Neuroscience, University of Oregon, Eugene, OR, USA;Stowers Institute for Medical Research, Kansas City, MO, USA
212
B139 A dominant negative form of p63 is regulated by BMP4 and participates in Xenopus epidermis development.C. Tribulo, M.J. Aybar, S.S. Sanchez. Dept. Biología del Desarrollo, INSIBIO (CONICET-UNT),S. M. de Tucumán, Argentina
Cell Motility and Guidance

213
B140 The embryonic neural crest microenvironment as a model system to explore tumor cell reprogramming and metastaticability. P.M. Kulesa, J.C. Kasemeier, J.M. Teddy, N.V. Margaryan, E.A. Seftor, R. Seftor, L. Postovit, M. Hendrix.Stowers Institute for Medical Research, Kansas City, MO, USA; Children's Memorial Research Center, Feinberg School ofMedicine and Robert H. Lurie Comprehensive Cancer Center at Northwestern University, Chicago, IL 60614, USA
214
B141 An in vivo role for neuropilin-1 in cranial neural crest cell migration. R. McLennan, P.M. Kulesa. Stowers Institute forMedical Research, 1000 E 50th St, Kansas City, MO, USA
215
B142 Neural crest migration and dorsal root ganglia formation in zebrafish erbB3 mutant. Y. Honjo, J. Eisen. Institute ofNeuroscience, University of Oregon, Eugene 97403-1254
216
B143 Diverse roles of Notch signaling in cardiac cell differentiation, migration and ventricular morphogenesis. Z. Bao,M. Chau, R. Tuft, K. Fogarty. Department of Medicine and Cell Biology, University of Massachusetts Medical School,Worcester, MA 01605; Department of Physiology, University of Massachusetts Medical School, Worcester, MA 01605
217
B144 Lipid phosphate phosphatases are necessary for the trans-epithelial migration of germ cells. A.D. Renault, R. Lehmann.Skirball Institute/HHMI, NYU School of Medicine, New York, NY
218
B145 Identification of genes affecting Drosophila larval somatic muscle patterning. C.M. Guerin, S.G. Kramer, Ph.D.Dept. of Pathology and Lab. Med., RWJMS-UMDNJ, Piscataway, NJ, USA; MGMI Program, GSBS-UMDNJ,Piscataway, NJ, USA
219
B146 The planar cell polarity pathway regulates parietal endoderm outgrowth. K.A. LaMonica, M. Bass, L. Grabel.Department of Biology, Wesleyan University, Middletown, CT, USA
220
B147 Turtle (Tutl) is required for photoreceptor axon targeting in Drosophila. K.L. Ferguson, H. Long, W. Chang, Y. Rao.McGill Center for Research in Neuroscience, McGill University Health Center, Montreal, Canada


221
B148 Nonstop and Rap/Fzr/Cdh1 interact to regulate cell cycle progression and retinal axon targeting. T. Moin, M. Kaplow,E. Mino, T. Venkatesh. The City College of NY, CUNY
222
B149 The role of Roundabouts in commissure formation in the zebrafish forebrain. A.K. Tanenhaus, M. Wong, E. Coleman,M.J. Barresi. Biological Sciences, Smith College, Northampton, MA, USA
Poster Session II

Sunday, June 17, 8–11 PM (authors present)Monday, June 18, 8–9 AM, 12:30–1:30 PM (for viewing)Numbers in italics indicate Abstract Program Numbers.“B” numbers indicate Board Numbers.Set-up time: Sunday, June 17, 3–7 PM. Take-down time: Monday, June 18, 1:30–2 PMOdd Board number authors present posters on Sunday, June 17, 8–9:30 PMEven Board number authors present posters on Sunday, June 17, 9:30–11 PM

Poster Session II themes: Development and Evolution, Functional Genomics, Germ Cells and Gametogenesis, Fertilization, Stem Cells and Tissue Regeneration,Early Embryo Patterning, Organogenesis.

Development and Evolution

223
B1 Hagfish and lancelet fibrillar collagens reveal that type II collagen-based cartilage evolved in stem vertebrates. G. Zhang,M.J. Cohn. Zoology, University of Florida, Gainesville, USA
224
B2 Evolution of a regulatory interaction involved in the differentiation of a new cell type. S. Marcellini, M. Montecino.Department of Biochemistry and Molecular Biology, University of Concepción, Concepción, Chile
225
B3 The evolution of the vulva equivalence group. B. Schlager, R.J. Sommer. MPI for Dev. Biology, Tuebingen, Germany
226
B4 Where developmental biology meets evolution: extensive pleitropy and temperature plasticity for Drosophila developmentaltime genes. J. Mensch, N. Lavagnino, V. Carreira, E. Hasson, J. Fanara. Dept. Ecologia, Genetica y Evolucion.Universidad de Buenos Aires. Argentina
227
B5 Withdrawn
228
B6 Evolutionary constraint on Otx2-neuroectoderm enhancers; deep conservation from skate to mouse and unique divergencein teleost. S. Aizawa, Y. Suda, C. Amemiya, D. Kurokawa. Laboratory for Vertebrate Body Plan, RIKEN Center forDevelopmental Biology, 2-2-3 Minatojima-minamimachi, Chuo-ku, Kobe, 650-0046, Japan; Molecular Genetics Program,Benaroya Research Institute at Virginia Mason, 1201 Ninth Avenue, Seattle, WA 98101, USA
229
B7 Evolution of Hox PG2 Gene Function in Teleosts. A. Davis, P. Le Pabic, J. Scemama, E.J. Stellwag. Dept. of Biology,East Carolina University, Greenville, NC, USA
230
B8 Withdrawn
231
B9 Amphioxus AmphiDelta: evolution of Delta protein structure, segmentation, and neurogenesis. S.L. Rasmussen,L.Z. Holland, M. Schubert, L. Beaster-Jones, N.D. Holland. Division of Marine Biology Research, ScrippsInstitution of Oceanography, University of California at San Diego, La Jolla, CA; Laboratoire de Biologie Moléculairede la Cellule, CNRS UMR5161, INRA UMR1237, Ecole Normale Supérieure de Lyon, Lyon, France; D
232
B10 Opposite roles of Puf RNA-binding proteins in convergently evolved hermaphrodites. E.S. Haag, S. Feng.MOCB Program; Dept. of Biology, University of Maryland, College Park, MD USA
233
B11 Characterization of the SECIS binding protein 2 in Drosophila. N.L. Rodriguez, S.G. Kramer, P.R. Copeland.Department of Molecular Genetics, Microbiology and Immunology; Department of Pathology and Laboratory Medicine
234
B12 A DAPPER1 isoform generated by alternative splicing is expressed during the development of amniotes. D.R. Sobreira,J. Xavier-Neto, S. Dietrich, L.E. Alvares. Dept. of Histology and Embryology, State Univ. of Campinas-UNICAMP, SP,BR.; Laboratory of Genetics and Molecular Cardiology, Heart Institute-Incor-HC, FMUSP, SP, BR.; Dept of CraniofacialDev, King's College London, UK
235
B13 Alternative splicing expands spatiotemporal expression complexity of Arthropod N-Cadherin. S. Hsu, S. Yonekura,C. Ting, H.M. Robertson, C. Lee, A. Chiba. Department of Cell and Developmental Biology, University of Illinois,Urbana, Illinois, USA; Laboratory of Gene Regulation and Development, National Institute of Child Health and HumanDevelopment, Bethesda, Maryland, USA; Department of Entomology, Univer


236
B14 Multipotency and endoderm-mesoderm specifications in an indirectly developing polychaete. C. Arenas-Mena.Dept. Biol. SDSU. San Diego, CA, USA
237
B15 Nervus trigeminus development in quail, duck, and quck chimeras. C. Mitgutsch, K. Au, B. Wong, B.F. Eames,R.A. Schneider. Dept. of Orthopaedic Surg., UCSF, San Francisco, CA, USA
238
B16 Developmental mechanisms of musculoskeletal integration in the avian jaw complex. M. Tokita, R.A. Schneider.Dept. of Orthopaedic Surgery, UCSF, San Francisco, CA, USA
Functional Genomics

239
B17 Computing on development. D.P. Hill, A. Diehl, H.J. Drabkin, M.E. Dolan, L. Ni, J.A. Blake. Mouse GenomeInformatics, The Jackson Laboratory, Bar Harbor, ME, USA
240
B18 Computational identification of similar gene expression patterns from images of mouse embryos. J. Christiansen,P. Stevenson, S. Venkataraman, L. Richardson, L. Gilder, D. Davidson, R. Baldock. MRC Human Genetics Unit,Edinburgh, UK
241
B19 Functional genomic analysis of human & mouse cell culture models identifies novel oscillatory genes in somitogenesisand a 5-hour human segmentation clock rate. K. Kusumi, D.A. William, B. Saitta, J.D. Gibson, J. Traas,V. Markov, D.M. Gonzalez, D.M. Anderson. School Life Sci, Ariz State U, Tempe AZ, USA; Dept Basic Med Sci,U Ariz College Med-Phoenix AZ, USA; Div Hum Genet and Orthop Surg, Children's Hosp Philadelphia, PA, USA;Dept Ped and Cell and Dev Biol, U Penn School Med, Philadelphia, PA, USA; Coriell Inst Med Res, Camden NJ
242
B20 Refining a locus for pontocerebellar hypoplasia 3; a human genetics linkage inquiry. P. Avila, A. Hill PhD,C. Walsh MD, PhD. San Diego State University; Howard Hughes Medical Institute; Harvard Medical School
243
B21 The structure–activity effect at Hairless protein of four point mutations on the Hairless gene. A. Bravo-Patiño,V. Baizabal-Aguirre, J. Valdez-Alarcón, M. Cajero-Juárez, A.C. Nagel, A. Preiss, D. Maier, A. Bravo-Patiño.CMEB-FMVZ, UMSNH, Morelia, Mich., México; Inst. Genetik, Univ. Hohenheim, Sttutgart, Germany
244
B22 Microarray analysis of the sea cucumber intestinal regeneration process. E.C. Suárez-Castillo, H. Ortíz-Zuazaga,J. Hernández-Pasos, J.E. García-Arrarás. Biology Dept, University of Puerto Rico, Río Piedras Campus,PR 00931.; HPCf-UPR
245
B23 Functional analysis of Rac1a signaling in early zebrafish development. C. Cui, E. Salas-Vidal, X. Cheng,D. Schnabel, A.H. Meijer, H.P. Spaink. Institute of Biology, Leiden University, Wassenaarseweg 64, 2333 AL Leiden,The Netherlands; Instituto de Biotecnología, UNAM. Av. Universidad #2001, Col. Chamilpa C.P. 62210 Cuernavaca,Morelos, México
246
B24 Functional genomics of zebrafish rhoab, cdc42c and rac1a Rho small GTPases. E. Salas-Vidal, X. Cheng, C. Cui,X. Li, D. Schnabel, A.H. Meijer, H.P. Spaink. Instituto de Biotecnología, UNAM. Av. Universidad 2001,Col. Chamilpa, C.P. 62210, Cuernavaca, Morelos, México.; Institute of Biology, Leiden University, Wassenaarseweg 64,2333 AL Leiden, The Netherlands
247
B25 Capsulin, a novel neural crest cell marker, is required for craniofacial organization of zebrafish. M. Chang, Y. Chen.Graduate Institute of Life Sciences, Tamkang University, Tamsui, Taiwan
248
B26 The role of LPP3 deficiency in neural development. R. Sanchez, C.L. Stewart, D. Escalante-Alcalde. Instituto deFisiología Celular, UNAM. México D.F. 04510; Center for Cancer Research, NCI Frederick MD 21702
Germ Cells and Gametogenesis

249
B27 Bad cop: good cop? KGB-1 and CSN-5 control GLH-1, a C. elegans P granule component. T. McEwen, K. Bennett.University of Missouri Columbia MO
250
B28 Now you see them; now you don't! Centrosome elimination during oogenesis in C. elegans. R. Roy, D. Kim, Y. Lu.Dept. of Biology, McGill University, Montreal, Qc, Canada
251
B29 A two-hybrid screening to isolate proteins that interact with the C. elegans germline DEAD box RNA helicase VBH-1.A. Mendoza-Oliva, V. Hansberg, R.E. Navarro. Depto. de Biol. Cel., IFC, Universidad NacionalAutónoma de México. México
252
B30 In search of proteins that regulated starvation-induced germ cell apoptosis in C. elegans. C.G. Silva, J. Ramirez,R.E. Navarro. Depto. de Biol. Cel., IFC, Universidad Nacional Autónoma de México. México; Unidad deMicroarreglos, IFC, Universidad Nacional Autónoma de México. México


253
B31 The regulation of germ cell sex determination in Drosophila. A.L. Casper, M. Van Doren. Dept. of Biology,Johns Hopkins University, Baltimore, MD USA
254
B32 Redox regulation of germ cell migration in Drosophila. M. DeGennaro, R. Lehmann. The Kimmel Center of theSkirball Institute/HHMI, New York University Medical Center, New York, NY, USA
255
B33 IGF signaling cell-autonomously promotes primordial germ cell migration in zebrafish. A.W. Wood, X. Sang.Vincent Center for Reproductive Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA USA;Harvard Stem Cell Institute, Boston, MA
256
B34 Induced sexual maturation in eel with embryonic zebrafish cell lines that constitutive produce LH and FSH. D. Schnabel,A. Palstra, G. Van den Thillart, H.P. Spaink. Instituto de Biotecnología, UNAM. Cuernavaca, Morelos. México;Institute of Biology, Leiden University, Leiden, The Netherlands
257
B35 Identification of the RCK/p54/Cgh-1 homolog in zebrafish. C.E. Villava, R.E. Navarro, E. Maldonado. Department ofMolecular Genetics, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, UNAM, MEXICO.;Department of Cell biology, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, UNAM, MEXICO
258
B36 Expression analysis of the rap55 homolog in the zebrafish germline. C. Lozano, E. Maldonado. Department of MolecularGenetics, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, UNAM, MEXICO
259
B37 Spermatogenesis in Cuban endemic amphibians. A. Sanz, Y. Rodriguez, L. Segura, L.F. Jimenez. Dept. Animal Biol.,Fac. Biol., Havana Univ., Havana City, Cuba; Dept. Cell Biol., Sci. Fac., UNAM, Mexico DF, Mexico
260
B38 Involvement of transforming growth factor beta on germ cell distribution in the chicken embryo ovary. R. Escalona,M. De Ita, V. Rodríguez, C. Mondragón, C. Méndez, E. Pedernera. Dept. Embriología, Facultad de Medicina,Universidad Nacional Autónoma de México; Dept. Biología Celular y Tisular, Facultad de Medicina, UniversidadNacional Autónoma de México
261
B39 The process of oocyte death. New views. G.H. Vázquez-Nin, M. Escobar, O.M. Echeverría. Departamento de BiologíaCelular, Facultad de Ciencias, Universidad Nacional Autónoma de México
262
B40 The effect of superovulation on methylation and expression of imprinted genes in pre- and post-implantation mouse embryos.A.L. Fortier, F.L. Lopes, J. Martel, J.M. Trasler. Montreal Children's Hospital Research Institute, McGill University,Montreal QC, Canada
263
B41 Participation of the N-terminal and C-terminal region of the SRY in the DNA binding. P. Canto, I. Sánchez, R.M. Coral,J.P. Méndez. UIM Biol Des. IMSS; UIM Genet Hum. IMSS; U Edu Invest Poli de Salud. IMSS
Fertilization

264
B42 A deep water sea urchin: evolution×fertlization. L. Dos Santos, M. Castro, C. Garcia, N. Hirohashi, A. Vilela-Silva,P. Mourão. Laboratório de Tecido Conjuntivo, HUCFF, UFRJ, Brazil; Instituto de Bioquímica Médica, UFRJ, Brazil;Ochanomizu University, Japan
265
B43 Structural differences in sulfated polysaccharides: significance for the fertilization success. M.O. Castro, L.L. Santos,C.R. Garcia, A.E. Vilela-Silva, P.S. Mourao. Lab. Tec. Conjuntivo, IBQM, UFRJ, BRAZIL
266
B44 Molecular characterization of a Bufo arenarum oviductal protease. D. Barrera, R.J. Llanos, P.A. Valdecantos, D.C. Miceli.Inst. Sup. de Invests. Biológs. INSIBIO (CONICET-UNT), Tucumán, Argentina
267
B45 Capacitation-like changes in external fertilization: correlation of physiological modifications with fertilizing capacityacquisition in Bufo arenarum spermatozoa. D. Krapf, P.E. Visconti, S.E. Arranz, M.O. Cabada. Dept. of Dev. Biol.,IBR (UNR-CONICET), Argentina; Dept. of Vet. and Anim. Sc., UMass, USA
268
B46 Involvement of calmodulin on guinea pig sperm nuclei decondensation. A. Zepeda-Bastida, A. Mújica. Department ofCell Biology, CINVESTAV-IPN
269
B47 Chromatin remodeling in mouse metaphase II oocytes independently of meiotic exit. N. Yoshida, M. Brahmajosyula, S. Shoji,M. Amanai, A.C. Perry. Laboratory of Mammalian Molecular Embryology, RIKEN CDB, Kobe, Japan
Stem Cells and Tissue Regeneration

270
B48 The zebrafish laf/alk8 mutant as an in vivo model for molecular dissection of replacement tooth formation. P.C. Yelick,A. Huysseune, R. Albertson. 1Department of Biology, Ghent University, Ghent, Belgium; 2Department of Biology,Syracuse University, Syracuse, NY 13244; 3Division of Craniofacial and Molecular Genetics, Department of Oral andMaxillofacial Pathology, Tufts University, Boston MA 02111


271
B49 The role of IP3 signalling during embryonic wound healing in Xenopus. X. Soto, J. Sivak, L. Petersen, E. Amaya.The Healing Foundation Centre, University of Manchester, Manchester M13 9PT, UK; The Gurdon Institute, University ofCambridge, Cambridge CB2 1QN, UK
272
B50 Strain and age differences in ear wound healing in mice. C.R. Carvalho, R.A. Costa, G.M. Azevedo-Junior,V. Ruiz-de-Souza, N.M. Vaz. Dept of Morphol, ICB-UFMG, MG, Brazil; Dept of Immunol, ICB-UFMG, MG, Brazil;Public Hospital, Betim, MG, Brazil
273
B51 Motor neurons derived from embryonic stem cells: a possible therapy in rodents with familial amyotrophic lateral sclerosis.R. López-González, I. Velasco. Neurociencias, Instituto de Fisiología Celular, UNAM. México D.F.-04510, México
274
B52 Tsukushi inhibits the proliferation of retinal stem/progenitor cells. K. Ohta, A. Ito, S. Kuriyama, S. Ohnuma,M. Kosaka, S. Nakagawa, H. Tanaka. Kumamoto Univ., Kumamoto, Japan; Kumamoto Univ., 21st Century COE,Kumamoto, Japan; PRESTO, JST, Saitama, Japan; Univ. of Cambridge, Cambridge, UK; RIKEN CDB, Kobe, Japan;RIKEN FRS, Wako, Japan
275
B53 Forced expression of Tbx3 promotes LIF-independent self-renewal of mouse ES cells. K. Ogawa, D. Shimosato,K. Takahashi, R. Yagi, Y. Toyooka, S. Masui, R. Matoba, M.S. Ko. Lab. for Pluripotent Cell Studies, RIKEN CDB,Kobe, Japan; Dev. Genomics and Aging Section, Lab. of Genetics, NIA, NIH, Baltimore, MD, USA
276
B54 Influence of brain environment on proliferation of neuronal progenitors. B. Mazur-Kolecka, B. Ranasinghe,J. Frackowiak. NYS IBRDD, New York, NY, USA
277
B55 Histamine Affects Cell Proliferation, Apoptosis And Diffentiation of Cerebro Cortical Neural Stem Cells.A. Molina-Hernández, I. Velasco. Neurociencias, Instituto de Fisiología Celular, UNAM, México D. F.-04510, México
278
B56 Embryonic stem cell-derived precursors but not neurosphere cells efficiently differentiate to dopaminergic neurons in theembryonic midbrain. J. Baizabal Carballo, L. Covarrubias Robles. Dept. of Developmental Genetics and MolecularPhysiology, Instituto de Biotecnología/UNAM, México
279
B57 Regulation of progesterone and estrogen α receptors expression during differentiation of mouse embryonic stem cells todopamine neurons. N. Díaz, N.E. Diaz-Martinez, C. Guerra-Araiza, I. Camacho-Arroyo, I. Velasco. Dept. Biologia.,UNAM, Mexico D.F., Mexico; Dept. Neurociencias, UNAM, Mexico D.F., Mexico
280
B58 Differentiation of aldynoglia from multipotential neural precursors. Microarrays analysis. A.E. Rojas Mayorquín,N.M. Torres Ruíz, G. Gudiño Cabrera, D. Ortuño Sahagún. Dev. and Neural Regeneration Lab. Inst. ofNeurobiology, DBCyM, CUCBA. University of Guadalajara, Mexico
281
B59 Notch activation is a more robust gliogenic inductor than leukemia inhibitory factor in rat brain cortex neural stem cells.N. Rodríguez-Rivera, I. Velasco. Neurociencias, Instituto de Fisiología Celular, UNAM. México D.F.-04510, México
282
B60 Generation of transgenic mouse embryonic stem cells that express neurogenin 1. E. Sánchez Cruz, I. Velasco.Neurociencias, Intituto de Fisiología Celular. UNAM, México D.F.-04510
283
B61 Mediators of Hoxb4 hematopoietic-promoting activity. N. Moncaut, A. Ribeiro, M. Mallo. Instituto Gulbenkian deCiências, Rua da Quinta Grande 6 2780-156 Oeiras, Portugal
284
B62 Defining the earliest sites of definitive hematopoiesis based on Runx1 expression. B.M. Zeigler, N.A. Speck.Dept. of Biochem., Dartmouth, Hanover, NH, USA
285
B63 Pancreatic beta cell mass regeneration and expansion—a role for FoxM1?. A.M. Ackermann, M. Gannon.Dept. of Mol. Phys. and Biophys., Vanderbilt Univ., Nashville, TN, USA; Dept. of Medicine, Vanderbilt Univ.,Nashville, TN, USA
286
B64 Genetic regulation of trophoblast and trophoblast stem cell self-renewal in the mouse. A. Ralston, J. Rossant.Dept. of Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, ON, Canada
Early Embryo Patterning

287
B65 Plasmin formation during differentiation of the implanting mouse blastocyst. M.G. Martínez Hernández,A. Castillo Trápala, L.A. Baiza Gutman, D.R. Armant. Unidad de Morfofisiología, FES-Iztacala, UNAM, México;CS Mott Center for Human Growth and Development, Wayne State University School of Medicine, USA
288
B66 The role of siamois and twin in organizer gene induction. C.D. Reid, D.S. Kessler. Dept. of Cell and Dev. Biol.,Univ. of Pennsylvania, Philadelphia, PA
289
B67 Early development of the foam-nesting frogs Engystomops randi and E. coloradorum. M.A. Romero-Carvajal,E.M. DelPino. Pontif. Cath. Univ. Ecuador, Sch. Biol. C., Quito, Ecuador


290
B68 Gastrulation in four species of dendrobatid frogs. P.C. Montenegro-Larrea, E.M. Del Pino. Pontif. Cath. Univ.Ecuador, Sch. Biol. C., Quito, Ecuador
291
B69 SAGE analysis of dorsal and ventral transcriptome of Xenopus tropicalis gastrula. F. Faunes, J. Castellanos, R. Malig,F. Melo, J. Larrain. Dep. of Cell and Molecular Biology; Dep. of Molecular Genetics and Microbiology;Catholic University of Chile
292
B70 Syndecan-4 in non-canonical Wnt signaling and gastrulation movements in Xenopus embryos. R. Muñoz, L. Carvallo,A. Burga, J. Larraín. FONDAP Biomedicine. Fac. Cs. Biol, PUC, Chile
293
B71 Xenopus leavis ATF1, a novel target gene of Notch signaling, functions during gastrulation of Xenopus embryos. T. Tatsuya,S. Chiharu, T. Kota. Dept. of Bioscience, Kwansei Gakuin Univ., Japan.
294
B72 Molecular and morphogenetic analysis of gastrulation in annual fish. L. Pereiro, F. Loosli, J. Wittbrodt, M. Concha.ICBM, Facultad de Medicina, Universidad de Chile; EMBL, Heidelberg, Germany
295
B73 Cdx1 is a required activator of Hox expression during gastrulation. A. Fainsod, R. Ben-Haroush Schyr, K. Correia,Y. Shabtai, C.S. Shashikant, R. Krumlauf. Dept. of Cell. Biochem. and Hum. Genet., Hebrew Univ., Jerusalem, Israel;Stowers Inst. for Med. Res., Kansas City, MO, USA; Dept. of Dairy and Animal Sci., College of Agric. Sci.,Pennsylvania State Univ., PA, USA
296
B74 Role of REEP4 in early Xenopus development. J. Argasinska, A. Young, A. Rana, J.C. Smith. Wellcome Trust/CR UKGurdon Institute and Dept. of Zoology, University of Cambridge, Cambridge, UK
297
B75 New roles for voltage gated calcium channel beta subunits in zebrafish. A.M. Ebert, C.A. McAnelly, A. Handschy,K.E. Gately, W.A. Horne, D.M. Garrity. Dep. of Biology, Colorado State University, Fort Collins, CO, USA;College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
298
B76 Patterning the sea urchin skeleton: a role for calcium signaling. W.S. Beane, D.R. McClay. Duke Univ., Durham, NC, USA
299
B77 Long-range signalling of TGF-β type morphogens in the Xenopus embryo. A. Hagemann, Y. Saka, J. Smith. WellcomeTrust/CRUK Gurdon Insitute, Cambridge, UK; Faculdade de Ciencias, University of Lisbon, Lisbon, Portugal;IRI @ Insitute de Biologie de Lille, Lille Cedex, France
300
B78 A mathematical basis for the clock and wavefront model for somitogenesis. R.E. Baker, S. Schnell, P.K. Maini. Centrefor Mathematical Biology, University of Oxford, UK; Complex Systems Group, Indiana University School of Informatics,IN, USA; Oxford Centre for Integrative Systems Biology, University of Oxford, UK
301
B79 FGF4 and FGF8 are required for maintenance of the primitive streak and somitic clock. N.D. Holder, C. Wilson, C. Elder,T.P. Yamaguchi, G. Duester, M. Lewandoski. Cancer and Developmental Biology Laboratory; NCI-Frederick, NIH,Frederick, MD, USA; Burnham Institute for Medical Research, La Jolla, CA, USA
302
B80 Dkk1 and Wnt3 interaction is critical for head morphogenesis in the mouse. P.P. Tam, S.L. Lewis, P. Khoo, R. De Young,H. Westphal. Embryology Unit, Children's Medical Research Institute, New South Wales, Australia; Laboratory ofMammalian Genes and Development, National Institute of Child Health and Human Development, National Institute ofHealth, Bethesda, Maryland 20892, USA
303
B81 Regulation of a novel skeletal muscle signaling center at the occipitocervical somite boundary. M. Rowton, D. Anderson,B. Huber, A. Rawls. School of Life Sciences, Arizona State University, Tempe, AZ, USA; University of Arizona Collegeof Medicine-Phoenix, Phoenix, AZ, USA
304
B82 Bone morphogenetic proteins (BMPs) direct formation of a signaling center that regulates facial development.R.S. Marcucio, S. Foppiano, D. Hu. Dept. of Orthopaedic Surgery, University of California San Francisco, CA, USA
305
B83 Bmp signalling in the epibranchial placodes. N.N. Kriebitz, A. Graham, E. Bell. MRC Centre for DevelopmentalNeurobiology, KCL, London, UK
306
B84 Study of Xenopus orthologs of novel genes expressed in the mouse AVE. A.C. Silva, M. Vitorino, M. Filipe,S. Marques, J.D. Becker, H. Steinbeisser, J.A. Belo. Dev Biol Unit, IGC, Oeiras, Portugal; CBME, Univ. Algarve,Faro, Portugal; Affymetrix Core Unit, IGC, Oeiras, Portugal; Human Genet Inst, Heidelberg Univ., Heidelberg, Germany
307
B85 Autonomous sorting & surface segregation of primitive endoderm in mouse embryoid bodies. R. Moore, M.E. Rula,K.Q. Cai, D. Yang, C.M. Staub, C.D. Capo-chichi, E.R. Smith, X. Xu. Dept. of Med. Oncology, Fox ChaseCancer Center, Philadelphia, PA, USA


308
B86 Thyrotropin-releasing hormone precursor—a novel marker of the mouse definitive endoderm. K.D. McKnight,P.A. Hoodless. Genetics Graduate Program, University of British Columbia, Vancouver, BC, Canada; Departmentof Medical Genetics, Univeristy of British Columbia, BC, Canada; Terry Fox Laboratory, B.C. Cancer Agency,Vancouver, BC, Canada
309
B87 FoxD3 regulation of mesoderm induction in the zebrafish embryo. L.L. Chang, D.S. Kessler. Dept. of Cell andDevelopmental Biology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
310
B88 Genetic analysis of Fgf gene function in the limb. F. Mariani, C. Ahn, D. Ornitz, G. Martin. Dept. of Anatomy, Universityof California, San Francisco, CA; Dept. of Molecular Biology and Pharmacology, Washington University, St. Louis, MO
311
B89 Differential effects of VEGF on different joints during limb development of chick embryo. G. Cortina-Ramírez,J. Chimal-Monroy. Depto. de Biología Celular y Fisiología, UNAM, México
312
B90 TGFβ changes digit identity by inhibiting Bmp2 and Tbx3 expression. G. Medina-Vázquez, K. García-Cruz, R. Abarca-Buis,J. Chimal-Monroy. Dept. de Biología Celular y Fisiología., Instituto de Investigaciones Biomédicas, UNAM
313
B91 Tsukushi refines germ layer formation through coordination of Nodal, FGF and BMP signalling. S.A. Morris,A.D. Almeida, K. Ohta, S. Ohnuma. Department of Oncology, Hutchison/MRC Research Centre, University ofCambridge, Cambridge, UK; Department of Developmental Neurobiology, Kumamoto University, Kumamoto, Japan
314
B92 Neural development in two species of Engystomops (Anura: Leiuperidae). A.N. Saenz-Ponce, E.M. DelPino.Pontif. Cath. Univ. Ecuador, Sch. Biol. C., Quito, Ecuador
315
B93 The contribution of Eph-Ephrin system to the maintenance of mesencephalon as a compartment. I. Araki, H. Nakamura.Fac. of Eng., Iwate Univ., Morioka, Iwate, JAPAN; IDAC, Tohoku Univ., Sendai, Miyagi, JAPAN
316
B94 Zic2a and Hedgehog signaling in forebrain development. N.A. Sanek, Y. Grinblat. Dept. of Zoology, UW-Madison,Madison, WI, USA
317
B95 Lipoic acid stnthetase is specifically required for forebrain formation in the mouse embryo. X. Zhou, K. Anderson.Developmental Biology Program, Sloan-Kettering Institute, New York, NY 10021, USA; Cell Biology and GeneticsProgram, Weill Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA
318
B96 Analysing the role of Hoxa1 in mammalian hindbrain, inner ear and cardiovascular development. N. Makki,M.R. Capecchi. Dept. of Human Genetics, University of Utah, Salt Lake City, UT, USA
319
B97 Functional analysis of novel genes differentially expressed genes in heart/hemangioblast precursor cells (H/HPC). J.A. Belo,M.C. Bento, A.T. Tavares. IBB, CBME, Univ. do Algarve, Faro, Portugal; Instituto Gulbenkian de Ciência, Oeiras, Portugal
320
B98 Endogenous alkaline phosphatase expression during developmental angiogenesis in chick embryo chorioallantoicmembrane capillary plexus. A. Gorustovich, L. Haro, G. Vargas, R. Vera. Res Lab, CNEA; CONICET, Argentina;Dept Dev Biol, Salta Natl Univ, Salta, Argentina
321
B99 Embryonic vascular stabilization in zebrafish requires Pix/Pak and integrin pathways. J. Liu, S. Fraser, J. Von Berg,E. Rollins, O. Starovic-Subota, S. Childs. Department of Biochemistry and Molecular Biology, and SmoothMuscle Research Group, University of Calgary, Calgary AB, Canada T2N4N1
322
B100 Axial patterning in the polychaete annelid, Capitella sp. I. K.K. Dill, E.C. Seaver. Kewalo Marine Laboratory, PacificBioscience Research Center, University of Hawaii at Manoa, Honolulu, Hawaii, USA
323
B101 Repression activities of the terminal gap domains Tll and Hkb in the regulation of anterior pair-rule stripes. L.P. Andrioli,L. Oliveira, S. Small. Depto. Genética, Universidade São Paulo, São Paulo, Brazil; Department of Biology, New YorkUniversity, NY, EUA
324
B102 The role of bicoid target genes in anterior patterning in Drosophila. G. Yucel, S.J. Small. Dept. of Biol., NYU,New York, NY, USA
325
B103 A multiplex in situ approach to define the precise contribution of the maternal BMP pathway in dorsal–ventral patterningof the early Drosophila embryo. K. Carneiro, H. Araujo. Dept. of Histology and Embriology, UFRJ, Brazil
326
B104 xSyndecan-1 and dorsal–ventral patterning of Xenopus embryos. G.H. Olivares, H. Carrasco, F. Aroca, J. Larrain.Facultad de Ciencias Biológicas, P. Universidad Católica de Chile, Centro de Regulación Celular y Patología; NúcleoMilenio en Biología del Desarrollo
327
B105 Disruption of normal body axis formation after teratogen exposure. E.J. Loucks, S.C. Ahlgren. CMRC, Program inDev Bio, Chicago, IL, USA; Dept Peds, Northwestern University Feinberg School of Medicine, Chicago, IL, USA


328
B106 High-resolution studies of Xnr1 signaling and left–right asymmetry in Xenopus. L.T. Bramson, C. Wright.Dept. Cell and Dev. Biol., Vanderbilt Univ., Nashville, USA
329
B107 Withdrawn
330
B108 FACS-assisted microdissection of early zebrafish embryos for transcriptional profiling and cell behavioral studies.B. Feldman, J.L. Brown, H. Noushmehr, M. Kirby, A.G. Elkahloun. National Human Genome Research Institute,National Institutes of Health, Bethesda, MD, USA
Organogenesis

331
B109 An analysis of cellular processes involved in organogenesis of the Drosophila embryonic gonad. J.J. Weyers,A.B. Milutinovich, Y. Takeda, M. Van Doren. Dept. of Biology, Johns Hopkins Univ., Baltimore, MD, USA
332
B110 Essential and redundant roles for Sox9 and Sox8 during testis development. F. Barrionuevo, H. Scherthan, C. Lécureil,F. Guillou, M. Wegner, G. Scherer. Institute of Human Genetics, University of Freiburg, Freiburg, Germany; Institut fürRadiobiologie der Bundeswehr, München, Germany; Institut National de la Recherche Agronomique, Université de Tours,Nouzilly, France; Institute of Biochemistry, Universit
333
B111 Response of sex-determining genes to changes in temperature in the red-eared slider turtle. C.M. Shoemaker, J. Queen,K. Berkstresser, D. Crews. Integrative Biology, Univ. of Texas at Austin, TX, USA
334
B112 Creating embryonic tissues: the role of the bHLH genes during the prepatterning of the mesoderm in Xenopus laevis.P.T. McMillen, C.M. Gaydos, E. Moore, T.I. Vo, K.A. McLaughlin. Dept. of Biol., Tufts Univ., Medford, MA, USA
335
B113 Expression patterns of Ret, GFRalpha1 and GDNF during pronephric morphogenesis in Xenopus laevis. V. Gerrard,H. Landis, L. Sferrazza, J. Drawbridge. Dept. of Biology, Rider University, Lawrenceville, NJ, USA
336
B114 The effect of a Ret splice-blocking morpholino oligo on pronephric duct morphogenesis in Xenopus laevis embryos.J. Leone, K. Casal, V. Gerrard, J. Drawbridge. Dept. of Biology, Rider University, Lawrenceville, NJ, USA
337
B115 The role of bicaudal-C in kidney development of Xenopus and mouse. O. Wessely, E. De Robertis, B. Özpolat, R. Döger,L. Zakin, U. Tran. Dept. of Cell Biology and Anatomy, LSUHSC, New Orleans, LA; HHMI, UCLA, Los Angeles, CA
338
B116 Pax2 and Pax8 regulate branching morphogenesis and nephron differentiation in the developing kidney. D. Grote, M. Narlis,Y. Gaitan, S.K. Boualia, M. Bouchard. McGill Cancer Centre/Dep. of Biochem., McGill Univ., Montreal, Qc, Canada;These authors contributed equally to this work
339
B117 Withdrawn
340
B118 β-Catenin and MAPK/ERK signaling are both required for mesenchymal-epithelial Transition (MET) in nephron formation.A. Perantoni, H. Wang, N. Sharma. LCC, NCI, Frederick, MD, USA
341
B119 Wnt9b signals through the canonical β-catenin pathway to induce kidney tubules. C.M. Karner, T.J. Carroll.Departments of Internal Medicine (Nephrology) and Molecular Biology, University of Texas Southwestern Medical Center,Dallas, TX, USA
342
B120 Loss of β-catenin results in premature differentiation and extrusion of Wolffian duct epithelia. T.J. Carroll, A.P. McMahon,T.D. Marose, C.E. Merkel. UT Southwestern Med. Ctr. Dallas, TX, USA; Harvard University Cambridge, MA, USA
343
B121 Withdrawn
344
B122 Patterning of the arterial vascular tree in fetal mouse kidneys. D. Hyink. Dept. of Medicine, Mount Sinai School of Medicine,New York, NY, USA
345
B123 Prox1 is a critical regulator of pancreatic development and homeostasis. B. Sosa-Pineda, G. Kilic, S. Sirma, G. Oliver,G. Grosveld. Dept. of Genetics and Tumor Cell Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
346
B124 Conditional control of pancreatic progenitor maintenance and differentiation by FGF10 uncovers an endocrine-specificcompetence window in development. S. Kobberup, P. Nyeng, R.J. MacDonald, J. Jensen. Barbara Davis Center forChildhood Diabetes, University of Colorado, HSC., Aurora, CO, USA; University of Texas Southwestern Medical Center atDallas, Dallas, TX, USA
347
B125 Function of Ctgf in islet development and beta cell proliferation. M.A. Guney, L. Crawford, Y. Oh, K.M. Lyons,A. Economides, M. Gannon. Dept. of Mol. Phys. and Biophys., Vanderbilt Univ., Nashville, TN, USA; Dept. of Med.,Vanderbilt Univ., Nashville, TN, USA; Dept. of Orthopaedic Surg., Univ. of California, Los Angeles, CA, USA; RegeneronPharm., Inc., Tarrytown, NY, USA


348
B126 Cross-talk between neural crest cells and developing pancreatic epithelium regulates beta-cell mass. N. Nekrep, J. Wang,J. Brunet, M.S. German. Diabetes Center, University of California San Francisco, San Francisco, CA, USA;CNRS UMR8542, Departement de Biologie, Paris, France
349
B127 ptf1a determines pancreatic exocrine versus endocrine fates. P.S. Dong, S. Leach, D.Y. Stainier. University of California,San Francisco, USA; John Hopkins University, Baltimore, Maryland, USA
350
B128 Dkk-1 and Nodal function in parallel to induce both heart and endodermal organs such as liver and pancreas. A.C. Foley,A.C. Lakaduc, M. Mercola. Stem Cell and Regeneration Program, The Burnham Institute for Medical Research; Dept. ofPathology, UCSD School of Medicine
351
B129 Immortalized mouse epicardial cells undergo differentiation in response to Transforming Growth Factor-β. J.V. Barnett,A.F. Austin, L.A. Compton, J.D. Love. Department of Pharmacology, Vanderbilt University Medical Center,Nashville, TN 37232; Department of Biology, University of Southern Indiana, Evansville, IN 47710
352
B130 Co-operative and synergistic actions of Tbx5 and MRTF-B in zebrafish cardiogenesis. S. Kakizaki, Y. Kida, K. Ogura,T. Ogura. Inst. of Dev., Aging and Cancer, Tohoku Univ., JPN; Dept. of Pediatrics, Tohoku Univ., JPN
353
B131 Teratogenic efects of folic acid deficiency induced by methotrexate in heart development in a rat model.M. Torres-Martínez, M. Arteaga, I. García, O. Aguirre. Dept. Embriología, Facultad de Medicina, UNAM;Dept. Histología, Facultad de Medicina, UNAM; Hospital Infantil de México Federico Gómez
354
B132 Regulation of the Snail family of transcription factors by the Notch and TGF-β pathways during heart development.K.S. Niessen, Y. Fu, A. Karsan. Department of Medical Biophysics, British Columbia Cancer Agency, Vancouver,BC, Canada; Experimental Medicine Program, University of British Columbia, Vancouver, BC, Canada; Department ofPathology and Laboratory Medicine, University of British Columbia
355
B133 Shox2 is required for proper development of the murine cardiac pacemaker. R.A. Espinoza-Lewis, L. Yu, Y. Chen. OralBiol. Dept., The Ohio State Univ., Columbus, OH, USA; Cell and Mol. Biol. Dept., Tulane Univ. New Orleans, LA, USA
356
B134 The Type III transforming growth factor beta receptor is required for coronary vessel development. J.V. Barnett,L.A. Compton, D.A. Potash, C.B. Brown. Dept of Pharmacology, Vanderbilt University, Nashville, TN;Dept of Pediatrics, Vanderbilt University, Nashville, TN
357
B135 Analysis of cardiovascular anomalies in the Ts65Dn mouse model for Down syndrome. A.D. Williams, C.S. Moore.Department of Biology, Franklin and Marshall College, Lancaster, PA, USA
358
B136 Guidance molecules in organogenesis: Slit signaling in Drosophila hindgut development. N.H. Soplop,E. Santiago-Martínez, S.G. Kramer. Pathology Department, University of Medicine and Dentistry of New Jersey atRobert \Wood Johnson Medical School, Piscataway, NJ
359
B137 A non-canonical Wnt pathway mediated by Wnt5a is required for midgut elongation. S. Cervantes, T.P. Yamaguchi,M. Hebrok. Diabetes Center, Dept. of Medicine, University of California San Francisco, San Francisco, CA, USA;Cancer and Developmental Biology Laboratory, Center for Cancer Research, NCI-Frederick, Frederick, MD, USA
360
B138 Zebrafish enteric neuron formation corresponds to smooth muscle development. K.N. Wallace, T. Olden, S. Beckman.Department of Biology, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699
361
B139 Expression profiling the developing mammalian enteric nervous system identifies novel markers and candidate Hirschsprungdisease genes. T.A. Heanue, V. Pachnis. Division of Molecular Neurobiology, MRC National Institute for MedicalResearch, The Ridgeway, Mill Hill, London, NW7 1AA, UK
362
B140 Mouse mutagenesis for targeting mutations causing abnormal diaphragm development. K.G. Ackerman, R.W. Stottmann,Y. Yun, L. Luo, A. Bolton, J.L. Moran, D.R. Beier. Division of Genetics, Brigham and Women's Hospital, Boston, MA,USA; Harvard Medical School, Boston, MA, USA
363
B141 Molecular regulation of parathyroid organogenesis in the mouse. S.F. Yu, Z. Liu, N.R. Manley. Dept. of Genetics,Univ. of Georgia, Athens, GA, USA
364
B142 Foxn1 dependent immigration of endothelial progenitor cells into mouse embryo thymus. J.L. Bryson, B.M. Hughes III,A. Venables, E. Richie, N.R. Manley. Department of Cellular Biology, University of Georgia, Athens, GA 30602, USA;Department of Genetics, Univerisity of Georgia, Athens, GA 30602, USA; The University of Texas M.D. Anderson CancerCenter, Science Park-Research Division, Smithville, TX 78957
365
B143 AP2-α is required for normal thymus development. V.E. Bain, J. Gordon, T. Williams, N. Manley.Department of Genetics, University of Georgia, S266 Coverdell Center, 500 D. W. Brooks Dr., Athens, GA 30602, USA;Department of Craniofacial Biology and Cell and Developmental Biology, BRB 151, University of ColoradoHealth Sciences Center, Denver, CO, USA


366
B144 Elf5 is an FGF7 and FGF10 Regulated, Epithelium-Specific Ets Family Transcription Factor Involved in Embryonic LungMorphogenesis. D.E. Metzger, J.M. Shannon. Division of Pulmonary Biology, Cincinnati Children's Hospital, Cincinnati,OH; Molecular and Developmental Biology Graduate Program, Univ of Cincinnati, Cincinnati, OH
367
B145 Examining the role of FGF signaling in lung branching morphogenesis. L.L. Abler, B. Hogan, D.M. Ornitz, X. Sun.Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706; Dept. of Cell Biology, Duke UniversityMedical Center, Durham, NC 27710; Dept. of Molecular Biology and Pharmacology, Washington University Medical School,St. Louis, MO 63110
368
B146 Withdrawn
369
B147 Paired-less Pax6 has a role in eye development. J. Kim, J. Lakowski, J.D. Lauderdale. Dept. of Cellular Biology,Univ. of Georgia, Athens, GA, USA
370
B148 Signals involved in establishment of ciliary body cell fate in developing vertebrate optic cup. J. Hyer, M. Dias da Silva.Dept of Neurosurgery/Ophthalmology, UCSF, San Francisco CA, USA; Dept of Biochem, Univ Fed of Sao Paulo,Sao Paulo, Brasil
371
B149 Ventral inner ear progenitors are direct targets of hedgehog signaling. A.S. Brown, M. Riccomagno, D.J. Epstein.University of Pennsylvania School of Medicine, Department of Genetics, Philadelphia, PA 19104
372
B150 The Xenopus “Brain Specific homeobox” gene is rhythmically expressed by pineal photoreceptors and controls cellproliferation. M. Andreazzoli, S. D'Autilia, V. Broccoli, G. Barsacchi. Dept. of Biology, University of Pisa, Pisa, Italy;Stem Cell Research Institute, DIBIT, San Raffaele Science Park, Milan, Italy
373
B151 Mig-2 is required for normal myogenesis in zebrafish. E.M. Gibbs, J. Dowling, D. Goldman, E.L. Feldman.Neuroscience Program, University of Michigan, Ann Arbor, MI; Department of Pediatrics, University of Michigan,Ann Arbor, MI; \Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, MI; Departmentof Neurology, University of Mi
374
B152 A screen for recessive mutations affecting mouse limb development. S.D. Weatherbee, K.V. Anderson, L.A. Niswander.Memorial Sloan Kettering, New York, NY, USA; U. Colorado Health Sci. Ctr., Aurora, CO, USA
375
B153 Transcriptional control of limb initiation and limb-type identity. M.P. Logan, A. DeLAurier, J. Del Buono, P. Hasson,C. Minguillon. Division Developmental Biology, National Institute for Medical Research, Mill Hill, London, NW7 1AA, UK
376
B154 Microarray analysis of molecular networks governing the mandibular fusion of mouse embryos. K. Fujita, Y. Taya,K. Sato, T. Aoba. Dept. of Pathol., Nippon Dental Univ., Tokyo, Japan
377
B155 Intramembranous bone growth: proliferation and differentiation of osteoprogenitors in the osteogenic front combined withcellular recruitment from the adjacent mesenchyme. E. Lana Elola, R. Rice, D. Rice. Dept. of Craniofacial Development,King´s College London, London, UK
378
B156 Essential pro-BMP roles of crossveinless 2 in mouse organogenesis. M. Ikeya, M. Kawada, H. Kiyonari, N. Sasai,K. Nakao, Y. Furuta, Y. Sasai. Organogenesis and Neurogenesis Group, CDB, RIKEN, JAPAN; Laboratory for AnimalResources and Genetic Engineering, CDB, RIKEN, JAPAN; Dept. of Biochemistry and Molecular Biology, M.D. AndersonCancer Center, University of Texas, Houston, TX, USA
379
B157 Study of epithelial–mesenchymal interactions during organogenesis by serial analysis of gene expression (SAGE).P. Vrljicak, E. Wederell, C. Aiga, M. Wu, T. Ruiz de Algara, C. Helgason, P. Hoodless. BC Cancer Research Centre, BC, Canada
Poster Session III

Monday, June 18, 8–11 PM (authors present)Tuesday, June 19, 8–9 AM, 12:30–1:30 PM (for viewing)Numbers in italics indicate Abstract Program Numbers.“B” numbers indicate Board Numbers.Set-up time: Monday, June 18, 3–7 PM. Take-down time: Tuesday, June 19, 1:30 PMOdd Board number authors present posters on Monday, June 18, 8–9:30 PMEven Board number authors present posters on Monday, June 18, 9:30–11 PM

Poster Session III themes: Cell Fate Specification, Morphogenesis, Late Abstracts, Best Student Poster Competition Finalists.

Cell Fate Specification

380
B1 Differentiation of the inner ear neuroepithelial fields is disturbed in amyogenic embryos. I. Rot, B. Kablar. Dept. ofAnatomy and Neurobiology, Dalhousie Univ., Halifax, NS, Canada


381
B2 Expression of inhibitors of differentiation and DNA binding proteins (Ids) during sensory organ development of the chickinner ear. A. Kamaid Toth, F. Giraldez. BD-CEXS. Universitat Pompeu Fabra, Barcelona
382
B3 The regulation of lens formation by Pros in the Drosophila eye. M. Charlton-Perkins, S. Whitaker, G. Kavanaugh,T. Cook. Dev Biol/Ped Ophthamol, CCHMC, Cincinnati OH
383
B4 Role of glia in the organization and function of the visual nervous system of Drosophila. R.E. Mino, J. Palacio,M. Kaplow, J. Morales, P. O'Day, T.R. Venkatesh. Dept. of Biol., City College of New York, New York, NY, USA;Inst. of Neurosi., Huestis Hall, University of Oregon, Eugene, OR, USA
384
B5 Visualising the dynamics of retinogenesis in a live vertebrate embryo. A. Bilitou, S. Ohnuma. Department ofOncology, University of Cambridge, Hutchison/MRC Research Centre, Hills Road, Cambridge, CB2 0XZ, UK
385
B6 Wnt-β-catenin signaling blocks retinal progenitor differentiation in a Sox2- and Notch-dependent manner.K.B. Moore, M. Agathocleous, I. Iordanova, W.A. Harris, M.L. Vetter. Neurobiol and Anat, Univ. of Utah,SLC, UT, USA; Dept of Anat, Univ. of Cambridge, CB2 3DY, UK
386
B7 Sbt1 is required downstream of proneural bHLH factors for neurogenesis in the developing retina. M.L. Vetter,M.A. Logan, M.R. Steele, I. Al-Diri, W. Chen, C. Dooley, K.B. Moore. Dept of Neurobiol and Anat, U of Utah,Salt Lake City, UT, USA
387
B8 Examining early retinal progenitor multipotency by Mash1 misexpression in the Math5-lineage. R.B. Hufnagel,M. Quinn, N.L. Brown. Division of Developmental Biology, Cincinnati Children's Hospital Research Foundationand Departments of Pediatrics and Ophthalmology, University of Cincinnati College of Medicine, Cincinnati,OH, USA
388
B9 Mechanism of early neural stem cell lineage specification in the mouse epiblast. L. Dang, V. Tropepe. Dept. ofCell and Systems Biol., Univ. of Toronto, Toronto, ON, Canada
389
B10 Temporal patterning determines visceral motoneuron subtypes generated from Nkx2.2+ Progenitors in the Hindbrain.J.M. Applequist, M. Karlen, E. Jordi, T. Perlmann, J. Ericson. Dept of Cell and Molecular Biology;Ludwig Institute of Cancer Research, Karolinska Institute, S-171 77 Stockholm, Sweden
390
B11 The role of NF1 in Schwann Cell development and tumor formation and the influence of steroid hormones andmetabolites. T.M. Roth, P. Ramamurthy, F. Ebisu, K.F. Barald. Cell and Dev. Biol., U-M, Ann Arbor, MI, USA;Biomed. Engin., U-M, Ann Arbor, MI, USA; Dept. of Neuroscience, U-M, Ann Arbor, MI, USA
391
B12 Differential effects of the TGF-beta superfamily members on dopaminergic phenotype induction. E. Roussa,O. Oehlke, B. Rahhal, M. Wiehle, K. Krieglstein. Dept. of Neuroanatomy, Univ Goettingen, Goettingen, Germany
392
B13 Cell autonomous acquisition of DRG sensory neuron fate: an ongoing analysis of Sox10 mutants.M. Delfino-Machin, T.J. Carney, K.A. Dutton, E. Greenhill, R.N. Kelsh. Dept. of Biology and Biochemistry,University of Bath, Bath, UK; Max-Planck-Institut fur Immunobiologie, Freiburg, Germany
393
B14 Rohon-Beard sensory neurons are induced by BMP4 expressing non-neural ectoderm in Xenopus laevis. C. Cortez,L. Hernandez-Lagunas, C. Zhang, I.F. Choi, L. Kwok, K.B. Artinger. University of Colorado
394
B15 Specification of cell types in the asymmetric pineal complex of zebrafish. C.D. Snelson, K. Santhakumar,M.E. Halpern, J.T. Gamse. Department of Biological Sciences, Vanderbilt University, Nashville, TN;Department of Embryology, Carnegie Institution of Washington, Baltimore, MD
395
B16 Isolation and characterization of molecules involved in macrophage migration to and colonization of the zebrafishbrain. K. Henke, F. Peri, C. Nuesslein-Volhard. Max-Planck-Institute for Developmental Biology, Dept. ofGenetics, Tuebingen, Germany
396
B17 The role of O-GlcNAc in zebrafish embryogenesis. D.M. Webster, S.T. Dougan, L. Wells. Department of CellularBiology, University of Georgia, Athens, GA 30602; Complex Carbohydrate Research Center, University of Georgia,Athens, GA 30602
397
B18 The role of C/EBP alpha during primitive myeloid cell development. Y. Chen, R. Costa, E. Amaya. HealingFoundation, Faculty of Life Sciences, University of Manchester, UK
398
B19 Characterization and molecular regulation of embryonic hemogenic endothelium. T. Sills, K.K. Hirschi.Interdepartmental Program in Cell and Molecular Biology; Center for Cell and Gene Therapy, Department ofPediatrics, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA
399
B20 A putative role for dual specificity phosphatase 4 in endoderm development. M. Snir, B. Feldman. Medical GeneticsBranch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA


400
B21 Role of Oct4 over-dosage in endoderm formation in mouse embryo. L. Torres, V. Ramos, L. Ramirez, H. Lomeli.Dept. Genetica del Desarrollo y Fisiologia Molecular. Instituto de Biotecnologia, Universidad Nacional Autonoma deMexico, Cuernavaca, Morelos, MEXICO
401
B22 Zebrafish ninjaOS5 regulates craniofacial cartilage and enteric neuron development. T.Y. Robinson, P.D. Henion.Ctr. for Molecular Neurobiology, Ohio State University
402
B23 Genetic ablation of neural crest cell diversification. B.L. Arduini, K.M. Bosse, P.D. Henion. Ohio State University
403
B24 Regulation of the Bhh/Gli pathway in Xenopus neural crest development. T.H. Aguero, J.P. Fernandez,G. Vega Lopez, M.J. Aybar. Dept. Biol. Desarrollo, INSIBIO-UNT, S.M. Tucuman, Argentina
404
B25 Neural crest-dependent Bmp signaling directs the timing of mandibular osteogenesis. A.E. Merrill, B. Eames,S. Weston, T. Heath, R.A. Schneider. Dept. of Orthopaedic Surgery, UCSF, San Francisco, CA, USA
405
B26 Constructing the EMT regulatory network of PMCs in sea urchin embryos. S. Wu, D.R. McClay. DCMB Group,Department of Biology, Duke University, Durham, NC 27708, USA
Morphogenesis

406
B27 Dynein is required for epithelial polarity and the apical localization of stardust mRNA. S. Horne-Badovinac,D. Bilder. Department of Molecular and Cell Biology, UC Berkeley, USA
407
B28 Rho GTPase is required for distinct steps in epithelial tube morphogenesis. M. Myat, N. Xu, B. Keung.Department of Cell and Developmental Biology, Weill Medical College of Cornell U., New York, NY USA
408
B29 turtle, a novel immunoglobulin superfamily member, is required for dendrite morphogenesis in a subset ofDrosophila PNS sensory neurons. M.J. Sulkowski, D.N. Cox. Molecular and Microbiology, George Mason Univ.,Manassas, VA, USA
409
B30 The zebrafish calpain system—expression and role of calpain and calpastatin during early development. S.E. Lepage,I. Skromne, A.E. Bruce. Department of Cell and Systems Biology; Department of Organismal Biology and Anatomy
410
B31 Crip2 has dual functions in the cytoplasm and nucleus, induces non-canonical Wnt signaling during convergentextension movement in zebrafish notochord. Y.S. Kida, T. Sato, A. Suto, K.Y. Miyasaka, M. Minami, W. Shoji,T. Ogura. Dept. of Dev. NeuroBiol., IDAC., TOHOKU Univ., Sendai, Japan; Graduate School of Life Sciences,TOHOKU Univ., Sendai, Japan; Dept. of Cell Biol., IDAC., TOHOKU Univ., Sendai, Japan
411
B32 Cadherin-based adhesion cooperates with non-canonical Wnt signaling to mediate morphogenesis in the zebrafish.E. Hong, M. Tsang, M. Halpern, R. Brewster. Dept. of Biol. Sciences, University of Maryland, Baltimore County,Baltimore, MD, USA; Dept. of Molecular Genetics and Biochemistry, University of Pittsburgh, Pittsburgh, PA, USA;Dept. of Embryology, Carnegie Institute of Washington, Baltimore, MD, USA
412
B33 A cell cycle regulatory gene contributes to zebrafish somitogenesis. K.S. Brown, M.A. Gurling, S.L. Amacher.Dept. of Molecular and Cell Biology, University of California, Berkeley, CA
413
B34 Functional significance of the E-cadherin/N-cadherin switch at the onset of Neurulation. P. JAYACHANDRAN,R. Brewster. Department of Biological Sciences, University of Maryland Baltimore County
414
B35 Sox4b is required for pituitary expression of gata2 and specification of thyrotrope cells in zebrafish. M. Muller,A. Mavropoulos, G. Nica, P. Motte, J. Martial, M. Hammerschmidt, M. Lopez. LBMGG, Tour GIGA,Bât. B34, ULg, B-4000 Liège (Sart-Tilman), Belgium; Plant Cellular Biology, Bât. B22, and CATM, Bât. B6, ULg,B-4000 Liège (Sart-Tilman), \Belgium; MPI for Immunobiology, Stuebeweg 51, 79108 Freiburg, Germany;Present adress: UCSF Diabet
415
B36 Eph and efn-dependent adhesion in the zebrafish hindbrain. H.A. Kemp, J.E. Cooke, C.B. Moens.HHMI, Basic Sciences Division, FHCRC, Seattle, WA
416
B37 Zebrafish lacking a functional Dispatched 1 display variable pharyngeal arch defects in part due to defects in neuralcrest cell morphogenesis. T. Schwend, S.C. Ahlgren. Dept Peds, Northwestern Univ School of Medicine; CMRC,Dev Bio, Chicago, IL. USA
417
B38 The function of the transcription factor Egr1 in zebrafish cartilage development. J. Dalcq, V. Pasque,S. Davila Ramos, M. Muller. Laboratory for Molecular Biology and Genetic Engineering, Tour GIGA, Bât. B34,Université of Liège, B-4000 Liège (Sart-Tilman), Belgium


418
B39 Relationship between foxc2 and Shh during Xenopus laevis development. M.E. Luque, M.E. Mónaco, M.C. Rosso,S.S. Sánchez. Depto. Biología del Desarrollo, INSIBIO (CONICET-UNT), Chacabuco 461, T4000ILI-San Miguel deTucumán, Argentina. E-mail: [email protected]
419
B40 The Siggi (KIAA0888) homolog of X. tropicalis is essential for the early embryogenesis. M.E. Torrejon, R. Gupta,S. Reinsch. Dept. of Biochem. and Mol. Biol., Univ. of Concepcion, Chile; NASA-Ames Res. Ctr., Moffett Field,CA, USA
420
B41 Complement C3 is necessary for early patterning of neural crest, foregut and blood in Xenopus laevis. V.A. McLin,C. Hu, R. Shah, M. Jamrich. Dept. of Pediatrics; Dept. of Molecular and Cellular Biology; Dept. of Human andMolecular Genetics, Baylor College of Medicine, Houston TX 77030
421
B42 Rho GTPase signaling directs the late stage morphogenesis of the Xenopus digestive system. N.M. Nascone-Yoder,R.A. Reed. Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
422
B43 Expression of EphA9, a gene important for proper cell migration during avian gastrulation, is regulated by FGFsignaling and a GSK3-dependent but Wnt independent pathway. K.M. Hardy, T. Yatskievych, P. Antin.Dept Cell Biol and Anat, Univ Arizona, Tucson, AZ; Dept Mol and Cell Biol, Univ Arizona, Tucson, AZ
423
B44 The role of FGF signalling in the formation of the primitive streak. M. Chuai, C. Weijer. Division of Cell andDevelopmental Biology, College of Life Sciences, University of Dundee, UK
424
B45 Visualization of the epithelial-to-mesenchymal transition of individual trunk neural crest cells. J.D. Ahlstrom,C.A. Erickson. Section of Molecular and Cellular Biology, UC Davis, Davis, CA, USA
425
B46 Molecular and cellular mechanisms of cranial skeleton development. B. Balczerski, P. Francis-West.Dept. of Cran. Dev, Dental Institute, KCL, Guy's Hospital, London, UK
426
B47 The roles of tenascin-W in osteogenesis. C.V. Meloty-Kapella, M. Degen, R. Chiquet-Ehrismann, R. Tucker.Department of Cell and Developmental Biology, UC Davis, Davis, California, USA; Friedrich Miescher Institute,Basel, Switzerland
427
B48 TGFβ acts as an anti-apoptotic factor while RA act as anti-chondrogenic factor during digit formation.A.J. Rios-Flores, R.F. Abarca-Buis, D. Cruz, K. Mares, J. Chimal-Monroy. Dept. Biología Celular y Fisiología,Instituto de Investigaciones Biomédicas, UNAM
428
B49 Oscillatory Lunatic fringe expression is critical for anterior but not posterior somitogenesis. S.E. Cole, E.T. ShifleyK.M. VanHorn, J.D. Franklin. Dept. of Mol. Gen., Ohio State University
429
B50 FGF signaling cascade in developing mammalian cerebral cortex. R. Toyoda, E. Grove. Department of Neurobiology,University of Chicago, 947 E 58th Street, Chicago, IL 60637, USA.
430
B51 Characterization of glycine neurotransmitter activity during postnatal development of the rat retina. R. Salceda,G. Sánchez-Chávez, M.A. Velázquez-Flores. Dept. Neurosci., Inst. Fisiol Cel., UNAM, Mexico
431
B52 Autonomic and sensory pancreatic nerves are differentially affected by large-scale β-cell turnover in the RIP-cmycERmouse. R.E. Burris, M. Hebrok. Diabetes Ctr, UC San Francisco, San Francisco CA, USA; Program in Cell Biology,UCSF Department of Biochemistry and Biophysics, San Francisco CA, USA
432
B53 Homocysteine enhances cardiac neural crest cell attachment in vitro by increasing intracellular calcium levels.P.R. Brauer, D.J. Heidenreich, M.V. Reedy. Dept. of Biomed. Sci., Creighton Univ., Omaha, NE, USA;Dept. of Biol., Creighton Univ., Omaha, NE, USA
433
B54 Morphogenesis of blood vessels during mouse vasculogenesis. O. Cleaver, D. Quiat, K. Xu, A. Villasenor.Dept. Mol Biol, UT Southwestern Medical Center, Dallas, TX USA
434
B55 Notch can regulate VEGF-related signaling in embryonic vascular differentiation. J.N. Copeland, J.L. Vivian.Institute of Maternal-Fetal Biology, Univ. of Kansas Medical Center, USA
435
B56 Control of angiogenesis and lymphangiogenesis by ephrin-B2. Y. Wang, R.H. Adams. Vascular DevelopmentLaboratory, Cancer Research UK London Research Institute, London, United Kingdom
436
B57 Revealing the role of Ephrin/Eph signaling in pancreatic development. A. Villasenor, M. Henkemeyer,O. Cleaver. Dept. of Molecular Biology, The University of Texas Southwestern Medical Center at Dallas
437
B58 FGF10 controls intestinal progenitor maintenance and differentiation. P. Nyeng, M.A. Reddan, G.A. Norgaard,S. Kobberup, J. Jensen. Barbara Davis Center for Childhood Diabetes, UCHSC, Aurora, CO, USA


438
B59 Tmem16a is required for murine lung development. J.R. Rock, B.D. Harfe. Dept. of Molecular Genetics andMicrobiology, Univ. of Florida, Gainesville, FL, USA
439
B60 Cellular and molecular mechanisms involved in thymus and parathyroid morphogenesis. J. Gordon, N.R. Manley.Department of Genetics, University of Georgia, Athens, GA 30602
440
B61 A novel RhoA inhibitor implicated in lip and palate formation. L.J. Town, F. Simpson, E.C. McGlinn,N. Butterfield, J.M. Richman, C. Wicking. IMB, University of Queensland, Brisbane, Qld, Aust.;Harvard Medical School, Boston, MA. U.S.A.; Faculty of Dentistry, UBC, Vancouver, B.C., Ca.
441
B62 Fgf8 and retinoic acid control the initiation of interdigital cell death without the direct participation of Bmp7 in themouse limb. R. Hernández-Martínez, S. Castro-Obregon, L. Covarrubias. Dept. of Develop. Genet. andMol. Physiol., Instituto de Biotecnología/UNAM, México
442
B63 Epithelial–mesenchymal interactions in hair follicle morphogenesis and regeneration. D. Enshell-Seijffers,C. Lindon, B.A. Morgan. Cutaneous Biology Research Center, Harvard Medical School and MassachusettsGeneral Hospital, Charlestown, MA, USA
443
B64 Early differentiation of uterine implantation zone in rats detected by a clearing technique. L.A. Baiza-Gutman,J. Gómez-Jiménez. Unidad de Morfofisiología, FES-Iztacala, UNAM, Méx.
444
B65 Peroxide mediates cell death during the formation of the proamniotic cavity. L. Hernández García, S. Castro Obregon,C. Valencia, L. Covarrubias. Departament of Developmental Genetics and Molecular Physiology
445
B66 XAANTAL3 (AGL17) is an ANR1-like MADS-box gene that regulates Arabidopsis root meristem behaviour and mediatesmorphogenetic responses under nitrogen and phosphorus starvation. G.S. Fonseca, B. Garcia, M. Garcia, U. Flores,S. Pelaz, E. Alvarez-Buylla. Departamento de Ecologia Funcional, Instituto de Ecologia, UNAM, Mexico; ICREA andLGMV, CSIC, Barcelona, Spain
Please check Program Addendum for list of Late Abstracts. Best Student Poster Competition finalists will be selected at the meeting.

Acknowledgments

Grants and Awards: National Institute of Child Health and Human Development/National Institutes of Health, National Science Foundation, InternationalSociety of Developmental Biologists, March of Dimes Birth Defects Foundation, Consejo Nacional de Ciencia y Tecnología México (CONACYT), Federation ofAmerican Societies for Experimental Biology/Minority Access to Research Careers (FASEB/MARC).

Corporate Sponsors: Aquatic Habitats Inc., Cell Press, Developmental Biology-Elsevier, Gene Tools, LLC, genesis, Intavis LLC, John Wiley and Sons,SigmaAldrich of Mexico, Wyeth Research.

Exhibitors: Aquatic Habitats, Inc.; Corte Instruments, LLC; Developmental Biology-Elsevier; EMAGE Database; Gene Tools, LLC; Hoelle & Huettner, AG;Intavis, LLC; John Wiley and Sons; Leica Microsystems; RIKEN CDB (Center for Developmental Biology); The Company of Biologists, Ltd.

first pan american congress in developmental biology · edgardo santiago-martinez, nadine h....

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