brown algae anatomy revisited: cortex and medulla figs. 17.15 in lee 1999 cortex medulla
TRANSCRIPT
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Brown Algae Anatomy Revisited:Cortex and Medulla
Figs. 17.15 in Lee 1999Cortex Medulla
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Cell Wall
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Commercial Use
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Cell Wall Components I
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Na+
K+
Ca2+
Mg2+
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Cell Wall Components II
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Cell Wall Components III
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Fig. 12.5 in Graham et al. 2008
PLASTIDS
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Chlorophyll a
6B Carotene Violaxanthin Fucoxanthin
Pigments
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Pigment Absorption Spectrum
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Chloroplast Origin
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Storage Product
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1
:
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(Chrysolaminarin)
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Pyrenoid
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Cell Division
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Semi-Closed Mitosis
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Cytokinesis
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Fig. 14.23 in Graham et al. 2008
Isomorphic Alternation of Generations(Ectocarpus)
Ectocarpus Ectocarpus
Sporophyte (2n) Gametophyte (n)
Spore (n)
Gametes (n)Zygote (2n)
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12Sporophyte
Gametophyte
Pleurilocular Gametangium
Unilocular Sporangium
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Female Gametangium Male Gametangium
Pheremone(= Sex Hormone)
(e.g., Ectocarpene)
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Ectocarpus
Mixture of Sexual, Asexual Reproduction:Pleurilocular Sporangia
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Sporophyte (2n) Gametophyte (n)
Ectocarpus Summary
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Heteromorphic Alternation of Generations(Laminaria)
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Sporophyte (2n)
Gametophyte (n)
Gametes (n)Zygote (2n)
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Unilocular Sporangium
Gametangia
Sporophyte (2n)
Gametophyte (n)
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Fucus(Air Bladders, Receptacles)
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Diplontic (2n)Gametes (n)
Zygote (2n)
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Conceptacles, Ostiole, Female Gametangia, Male Gametangia
Male Gametangia Female GametangiaGametes (n)
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Sporophyte (2n) Gametophyte (n)
X
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Stramenopiles: Phaeophyceae
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1 http://www.botany.ubc.ca/Biol320/ultra/x7.jpg
2 http://www.ccap.ac.uk/news/images/Eu05_EcCaro_10dai_Ex97_bar20microns_ web_000.jpg
3 http://www.greenspirit.org.uk/resources/cellulose.gif
4 http://www.aapspharmscitech.org/articles/pt0803/pt0803051/pt0803051_figure1.jpg
5 http://www.scielo.br/img/revistas/aabc/v77n4/a07fig04.gif
6 http://www.nature.com/nbt/journal/v18/n8/thumbs/nbt0800_888_F4.gif
7 http://www.angelo.edu/faculty/kboudrea/molecule_gallery/04_aromatics/ chlorophyll-a_01.gif8 http://www.botany.ubc.ca/Biol320/ultra/iii1.jpg
9 http://www.ne.jp/asahi/marine/algae/Ectocarpus3.jpg
10 http://io.uwinnipeg.ca/~simmons/2152web/2152/l5fig5.jpg
11 http://image40.webshots.com/40/7/24/93/304372493JEvCwL_ph.jpg
12 http://plantphys.info/organismal/lechtml/images/ectocarpusgam.jpg
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27 http://www.holocaust-history.org/auschwitz/zyklonb/Sample3-diatomaceousearth.jpg
13 http://www.dkimages.com/discover/previews/889/85001718.JPG
14 http://www.jochemnet.de/fiu/bot4404/Br_Laminaria_gametophyte.jpg
15 http://upload.wikimedia.org/wikipedia/commons/c/c9/Fucus_vesiculosus_ closeup.jpg
16 http://botit.botany.wisc.edu/images/130/Protista_I/Phaeophyta_Images/ Fucus_Images/Conceptacle_receptacle_MC.low.jpg
17 http://botit.botany.wisc.edu/courses/botany_130/Diversity/ Protista/images/Oogonia.jpg
18 http://api.ning.com/files/y8l6PSTl4ba9-W6ejDMaJKFF30sF6fB6Typ Nupyxdt73eX6CpKCTnrU3WH5-0i1SFxfWQwdcA4KgW2-8xnnpLsU9hHP wX*jz/kelpfish.jpg