study of the genetic diversity of the genus passiflora l. and its distribution in colombia
DESCRIPTION
Workshop Ginés-Mera fellowship , Cali - Colombia (may 12, 13 and 14) Presentation by John OcampoTRANSCRIPT
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Study of the genetic diversity of the genus Passiflora L. and its distribution in
Colombia
John OcampoÉcole Supérieure d’Agronomie de Montpellier
Université de Montpellier IIPh.D.
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CIRAD• Philippe FELDMANN
• Geo COPPENS d’EECKENBRUGGE
• Ange-Marie RISTERUCCI
BIOVERSITY INTERNATIONAL – CIAT
• Andrew JARVIS
• Xavier SCHELDEMAN
People involved in the study
Ginés-Mera Fellowship
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Genetic resources in Colombia (cultivated species)
Passion fruit priorities:
- Collection and characterization
- Taxonomy problems
- Conservation problems
Context
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General objective
To study the genetic diversity of the genus Passiflora L. and its biogeographic distribution in Colombia.
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Specific objectives
• To map the distribution and the diversity of Colombian Passifloraceae species using Geographic Information Systems (GIS).
• To characterize the morphologic and molecular diversity at inter- and intra-specific levels.
• To evaluate the potential of Passiflora as an indicator group to evaluate the risks of biodiversity erosion and take them into account in the development of strategies for in situ genetic resources.
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1. Taxonomy
2. Reproduction Biology
3. Distribution
4. Uses
5. Cultivated species
Introduction
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1. Passifloraceae family Taxonomy
18 genera
ca. 650 species America
Africa
Asia
Killip (1938)
22 subgeneraGenus Passiflora L.
ca. 573 speciesAmerica
Asia
Feuillet & McDougal (2003)
4 subgenera
Astrophea Decaloba Deidamioides
Passiflora
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Subgenus ASTROPHEA (Feuillet & MacDougal, 2003)
Astrophea
- Arborescent
- American
- 2n = 24
Killip (1938)
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Subgenus DECALOBA (Feuillet & MacDougal, 2003)
Decaloba Psilanthus Murucuja Pseudomurucuja Apodogyne
- Climbers
- America South Asia and Australia
- 2n = 12, 24, 36, 72
Killip (1938)
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Subgenus PASSIFLORA (Feuillet & MacDougal, 2003)
- American
- 2n = 18, 20 (Dysosmia)
Passiflora Tacsonia Distephana Manicata Dysosmia
- Climbers
Killip (1938)
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Subgenus DEIDAMIOIDES (Feuillet & MacDougal)
Deidamioides Tryphostemmatoides
- Climbers
- American
- 2n = ??
Killip
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2. Biology of reproduction
• Allogamous: cross-pollination
• Cytogenetic : 2n = 12, 18, 20, 24, 36, 72 x = 6 y 9
• Heteroplasmy
Mráček (2005)
Muschner et al. (2006) Hansen et al. (2007)
• Heredability: paternal / biparental
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Pollination syndromes
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3. Distribution of the genus Passiflora L.
22 species
Subg. Decaloba
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4. Uses
Food
Pharmacopeia
Liquors
Medicinal
Ornamental
Other…
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5. Cultivated species in Colombia
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Economic importance – International markets
P. edulis f. flavicarpa
Yellow maracuja - Maracuyá
P. ligularis
Sweet granadilla
P. edulis f. edulis
Purple maracuja - Gulupa
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P. tripartita var. mollissima
Curuba de Castilla
P. tarminiana
Curuba India
P. maliformis
Cholupa
Economic importance – International markets
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P. quadrangularis
Giant granadilla - Badea
P. popenovii
Granadilla de Quijos
P. alata
Maracuja doce
Economic importance – International markets
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II- Morphological diversity (descriptors)
Study Components
I- Diversity distribution in Colombia (GIS)
1.a. Biogeography and conservation
1.b. Potential distribution and adaptation
III- Genetic diversity (CAPS – DNAcp/mt)
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I – Diversity Distribution in Colombia (SIG)
1a. Biogeography and conservation of Colombian Passifloraceae .
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Foreign
P : Museum d’Histoire Naturelle – Paris – France
MO : Missouri Botanical Garden – USA
MA : Real Jardin Botánico – Madrid – Espagne
K : Kew Garden – London - Grande-Bretagne
NY : New York Botanical Garden– USA
LITERATURE
Killip (1938, 1960), Escobar (1988, 1989) etc.
HERBARIA
National
PSO - HAU - COL - FAUC - CUVC - FMB
VALLE - MEDEL - CHOCO – TOLI - CAUP
AFP - UIS – CDMB - COAH – JAUM - HUQ
SURCO
Reported species
3.375 georeferenced data
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167
127
19
53
90
73
2
48
3
16
3130 3236
48
2555
70 20
10
20 14
10
16
0º
1518
13
17
4
Tropic of Capricorn
Tropic of Cancer
-23.5º S
23.5º N
78
167 reported species (26 new species for the country)
Diversity distribution of the American Passion Fruits
Maximum Diversity in the American Andean Region, especially in Colombia and Ecuador
Diversity Centre
3.375 georeferenced data
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DIVA-GIS software
Species spatial distribution
High density in the central mountain region.
Low density North-East and South of the Andes.
Very marked low density in lowlands, especially in the Orinoquian and Amanzonian regions.
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Expeditions and collected samples
• Species area richness and collection gaps
• Access permits (MMA - Ministerio del Medio Ambiente)
• Public order
555 collections from 17 of 32 departments
TOTAL : 3.930 OBSERVATIONS
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Orinoquia (19)
Amazonia (44)
Caribbean (38)
Andes (123)
Species distribution by Biogoegraphic region
Pacific (36)
Elevation
Diversity concentrated in the Andean Region
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Colombian Biogeography & Passifloracea Species
Amazonia
Orinoquia
Caribbean
Pacific
Andes
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MaxD (km)
CA
50
(km
2 )
0 200 400 600 800 1000 1200 1400 1600 1800 2000
0
10
20
30
40
50
60
70y = 1.8046+0.0024*x+9.3697E-6*x 2
R2 = 0.7709
P. vitifolia
P. foetida
P. auriculata
P. quadrangularis
P. nitida
P. mollis
P. cumbalensis
P. mixta
P. maliformis
P. serratodigitata
P. antioquiensis
P. oerstedii
P. coriaceae
P. suberosa
P. spinosa
P. involucrata
D. parviflora
P. ligularis
P.arborea
P.misera
P..coccinea
P. micropetala
P. seemannii
P. biflora
P. rubra
P. capsularis
P. menispermifolia
Passifloraceae distribution in Colombia (Maximum Distance vs. Circular Area)
Endemic species
400 1000
MaxD (km)
CA
50
(k
m
2
)
0 200 400 600 800 1000 1200 1400 1600 1800 2000
0
10
20
30
40
50
60
70y = 1.8046+0.0024*x+9.3697E-6*x 2
R2 = 0.7709
R2= 0.779Species of continental distribution
Species of regional distribution and common endemic species
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• Circular area CA50
• Maximum Distance MaxD• Number of records• Date of records
UICN Categories
EX: ExtinctEW: Extinct in the wildCR: Critically endangeredEN: EndangeredVU: VulnerableNT: Near threatenedLC: Least concernDD: Deficient Data
f. Threat status of Passifloraceae
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1b. Diversity distribution and in situ conservation of the Colombians Passifloraceae.
1. Diversity and potentiel distribution
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Species richness and diversity
Literature data: 45
3.930 georeferenced data
Collection data: 555
Herbarium data: 3.330
Software DIVA-GIS
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Species richness
Software DIVA-GIS
12
3
4567
9 8
Nine ultra- diverse zones in the Andes, four sub-explored (1, 6, 8, 9)
Species potential distribution
“Hotspot”
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Protected areas
In situ conservation
“Hotspot”
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Software DIVA-GIS
Ultra-diverse zones vs. Coffee growing ecotopes
Small reserves and micro-basin management
Conservation strategies• Corridor creation • Crop systems
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Conclusions
• The highest number of species are located between 1.000 and 2.000 m in fragmentation forests.
• Nine ultra-diverse (hotspot) and non-protected zones in the Andes.
• There is no geographic relation between richness and endemism.
• There is a need for urgent conservation strategies.
• Of the 167 recorded species, 42 have edible fruits and most are not used.
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II. Morphological diversity in the genus Passiflora L.
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Collection and characterization (ex situ conservation)
Collections Tenerife (El Cerrito – Valle del Cauca) – 2800 m El Moral (El Cerrito – Valle del Cauca) – 2400 m San Joaquín (El Tambo – Cauca) – 1800 m Paraguacito (Buenavista – Quindío) – 1250 m Arauca (Risaralda – Caldas) – 1000 m
In situ (collections)
Plant material 124 accessions 60 species 9 subgenera (Killip, 1938)
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List of 127 descriptors
ORGAN Qualitative Characters (84) Qunatitative Characters (43)
Stem Form, antocianine, pubescence Internodes
Tendril Antocianine Longitude
Stipule Permanence, antocianine, pubescence and form
Dimensions
Leaf Polymorphism, form, colour, presence, antocianine and pubescence, type, margin
Lobule longitude, angle between lateral rib, petiole—sinus distance, number of margin teeth
Petiole Nectary form Longitude and number of nectaries
Bract Form, union, permanency Dimensions
Flower Form, colours and pubescence of different parts, number and series of filaments, sepal and petal union, antocianine and chlorophyll on sepals and hypanthium
Number, orientation and dimension of different parts
Fruit Pigmentation, pubescence, form, consistency, anthracnosis symptoms
Dimensions, weight
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Relative variance components – Quantitative characters
50
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ACP - Factor loadingsDescriptors 1 2 3 4 5STDI -0.088 0.215 -0.892 -0.023 0.041LEMS 0.353 0.365 0.152 0.041 0.759LELC 0.019 0.571 -0.686 0.009 -0.195LENN -0.017 0.040 0.011 0.962 0.014PENN 0.648 0.407 0.013 -0.055 0.158PDDI 0.135 0.847 -0.287 0.010 0.145PDLF -0.054 -0.136 -0.943 -0.007 -0.044PDBS -0.054 -0.113 -0.973 -0.006 -0.046BRLR 0.296 0.723 0.186 -0.091 0.240FLPL 0.501 0.774 -0.021 0.235 0.042FLPW 0.713 0.595 -0.024 0.095 0.028FLSL 0.577 0.716 0.036 0.243 -0.028FLSW 0.520 0.754 0.034 0.074 -0.108FLLE 0.960 0.179 0.045 0.017 0.090FLHL 0.904 0.063 0.086 -0.100 0.119FLHL 0.824 0.208 0.026 -0.080 -0.137FLCN -0.521 0.723 0.034 -0.007 -0.329FLFL 0.529 0.651 0.082 0.097 0.171FLSF 0.677 0.658 0.076 0.061 -0.049FLOL 0.454 0.693 0.067 0.073 0.263FLSL 0.964 0.064 0.047 0.033 0.099FLOP 0.711 0.236 0.099 0.363 0.214BRWI/BRLE -0.160 0.718 -0.221 -0.131 0.241FLNC/FLHD 0.699 0.056 0.042 0.043 0.368Expl.Var 7.610 6.496 3.336 1.256 1.238Prp.Totl 0.317 0.271 0.139 0.052 0.052% total varianza 46.028 16.999 11.138 4.913 3.986
COMPONENTS
d. Factor loadings from a Principal Component Analysis - PCA
83% total variance
Cp.2: Flower width and bract shape
Cp.3: Stem with, peduncle branching and leaf length
Cp.4: Number of nectaries on leaf margin
Cp.5: Leaf serration
Cp.1: Flower length
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PCA – Three-dimensional plot of the scores for Passiflora accessions
Passiflora
Decaloba
Astrophea
Manicata
DistephanaDysosmia
PsilanthusTacsonia
Tryphostemmatoides
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Feuillet & MacDougal (2003) Astrophea Deidamioides
Killip (1938), Escobar (1988), MacDougal (1994) Astrophea Decaloba Psilanthus Passiflora Distephana Dysosmia Tacsonia Manicata TryphostemmatoidesSpecies/accession number n= 3/4 n= 17/31 n= 1/1 n= 19/44 n= 1/2 n= 1/2 n= 16/36 n= 1/1 n= 2/2Main pollinators medium (honey) bees small to large bees - wasps sword-billed large (carpenter) bees hummingbirds bees sword-billed hummingbirds bees
hummingbird hummingbirdChromosome number 2n = 24 2n = 12, 22, 24, 36 2n = 12 2n = 18 2n = 18 2n = 18, 20, 22 2n = 18 2n = 18 2n = 12
Altitudinal range 1.000 - 2.200 m 60 - 2.700 m 2.600 - 3.200 20 - 2.400 m 50 - 1.200 m 30 - 1.200 m 2.100 - 3.700 m 1.900 - 2.500 m 50 - 2.000 m
Descriptors
Habit tree vine vine vine vine vine vine vine vineStem section irregular terete/angular angular terete/angular/winged terete terete terete/angular angular tereteSecondery xylema present absent absent absent absent absent absent absent absentTendril position absent axillary axillary axillary axillary axillary axillary axillary axillary and peduncleStipule short triangular setaceous/linear/foliaceous-aristate setaceous setaceous/linear/foliaceous-aristate linear foliaceous-aristate setaceous/linear/foliaceous-aristate foliaceous-aristate setaceousStipule nectaries (conspicuous) absent absent absent absent/present (P. maliformis ) present present absent absent absentLeaf lobation one three three one/three/more three three one/three three oneLeaf base cuneate-rounded cuneate-rounded/cordate/ cordate cuneate-rounded/cordate cordate cordate cuneate-rounded/cordate cordate rounded
peltate (P. coriacea and P. guatemalensis )Leaf apex obtuse/acute rounded/obtuse/acute acute/very acute rounded to very acute acute acute acute/very acute obtuse to very acute retuseLeaf margin entire entire/serrate (P. adenopoda ) entire entire/serrate serrate serrate serrate serrate entireLaminar nectaries absent present/absent (five species)b present absent absent absent absent absent absentLeaf margin nectaries (conspicuous) absent absent/sinus/ absent absent/sinus sinus absent absent/sinus (P. jardinensis ) absent leaf base
all margin (P. adenopoda ) lateral lobe (P. edulis f. edulis )Petiolar nectaries absent absent/orbicular (P. adenopoda )/ absent all except auriculate orbicular absent linear/orbicular linear absent
cylindrical (P. coriaceae and P. suberosa )/auriculate (P. auriculata )
Dorsal nectaries present absent absent absent absent absent absent absent absentPeduncle branching present absent/present (P. sexflora ) absent absent absent absent absent absent presentBract shape linear setaceous/linear/ linear foliaceous linear pinnatisect foliaceous foliaceous linear
foliaceous (P. adenopoda , P. guatemalensis )/absent (four species)*
Nectary on bract absent absent absent absent/present present absent absent absent absentFlower orientation erect erect/intermediate/pendular pendular erect/intermediate/pendular erect erect erect/intermediate/pendular erect erectCorolla shape reflex intermediate/campanulate campanulate intermediate/reflex reflex intermediate/reflex campanulate/intermediate/reflex reflex reflexDominant corolla color white white red (pink) white/red red white red (including pink or orange) red whiteCorona type filamentous filamentous filamentous filamentous filamentous filamentous tuberculous/ filamentous filamentousCorona filaments sickle-sword-shaped linear linear linear linear linear filamentous, linear linear linear
free free free free fused at base free free free freeNumber of corona series uniseriate biseriate/ uniseriate pentaseriate biseriate 3- to 5-seriate uni- to 5-seriate pentaseriate biseriate
uniseriate (P. guatemalensis and P. adenopoda )/triseriate (P. filipes and P. magadalenae )
Corona color-clear (longest row) white white white red white white/purple purple whiteCorona color-darkest (longest row) yellow white/purple/ white purple red purple purple purple white
yellow (P. guatemalensis ) white (P. guazumaefolia ) white (P. jardinensis )Petals present present/ present present present present present present present
absent (P. coriaceae and P. suberosa )Sepal awn absent absent/present absent present present present present present absentNectar chamber ring present absent absent present present present present present absentHypanthium campanulate flat tubular campalunate tubular campanulate tubular tubular flatLimen present present absent present present present present present presentOvary shape tricostate globose globose globose globose globose globose globose globoseFruit shape globose globose/ elongate globose/ globose globose elongate/ elongate globose
elongate (P. rubra and P. capsularis ) elongate (P. quadrangularis ) globose (P. pinnatistipula )
Categorized (from quantitatives traits)Stem diameter ≥ 120 mm ≤ 20 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm
< 60 mm < 60 mm < 60 mm < 60 mmLeaf length > 215 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm
< 190 mm (P. sphaerocarpa )Sepal length ≤ 30 mm ≤ 30 mm > 30 mm > 30 mm > 30 mm ≤ 30 mm > 30 mm > 30 mm ≤ 30 mm
≤ 30 mm (six species)ª ≤ 30 mm (P. luzmarina and P. mathewsii ) Androgynophore length < 23 mm < 23 mm > 25 mm < 23 mm > 25 mm < 23 mm > 25 mm > 25 mm < 23 mm
Decaloba PassifloraFeuillet & MacDougal (2003) Astrophea Deidamioides
Killip (1938), Escobar (1988), MacDougal (1994) Astrophea Decaloba Psilanthus Passiflora Distephana Dysosmia Tacsonia Manicata TryphostemmatoidesSpecies/accession number n= 3/4 n= 17/31 n= 1/1 n= 19/44 n= 1/2 n= 1/2 n= 16/36 n= 1/1 n= 2/2Main pollinators medium (honey) bees small to large bees - wasps sword-billed large (carpenter) bees hummingbirds bees sword-billed hummingbirds bees
hummingbird hummingbirdChromosome number 2n = 24 2n = 12, 22, 24, 36 2n = 12 2n = 18 2n = 18 2n = 18, 20, 22 2n = 18 2n = 18 2n = 12
Altitudinal range 1.000 - 2.200 m 60 - 2.700 m 2.600 - 3.200 20 - 2.400 m 50 - 1.200 m 30 - 1.200 m 2.100 - 3.700 m 1.900 - 2.500 m 50 - 2.000 m
Descriptors
Habit tree vine vine vine vine vine vine vine vineStem section irregular terete/angular angular terete/angular/winged terete terete terete/angular angular tereteSecondery xylema present absent absent absent absent absent absent absent absentTendril position absent axillary axillary axillary axillary axillary axillary axillary axillary and peduncleStipule short triangular setaceous/linear/foliaceous-aristate setaceous setaceous/linear/foliaceous-aristate linear foliaceous-aristate setaceous/linear/foliaceous-aristate foliaceous-aristate setaceousStipule nectaries (conspicuous) absent absent absent absent/present (P. maliformis ) present present absent absent absentLeaf lobation one three three one/three/more three three one/three three oneLeaf base cuneate-rounded cuneate-rounded/cordate/ cordate cuneate-rounded/cordate cordate cordate cuneate-rounded/cordate cordate rounded
peltate (P. coriacea and P. guatemalensis )Leaf apex obtuse/acute rounded/obtuse/acute acute/very acute rounded to very acute acute acute acute/very acute obtuse to very acute retuseLeaf margin entire entire/serrate (P. adenopoda ) entire entire/serrate serrate serrate serrate serrate entireLaminar nectaries absent present/absent (five species)b present absent absent absent absent absent absentLeaf margin nectaries (conspicuous) absent absent/sinus/ absent absent/sinus sinus absent absent/sinus (P. jardinensis ) absent leaf base
all margin (P. adenopoda ) lateral lobe (P. edulis f. edulis )Petiolar nectaries absent absent/orbicular (P. adenopoda )/ absent all except auriculate orbicular absent linear/orbicular linear absent
cylindrical (P. coriaceae and P. suberosa )/auriculate (P. auriculata )
Dorsal nectaries present absent absent absent absent absent absent absent absentPeduncle branching present absent/present (P. sexflora ) absent absent absent absent absent absent presentBract shape linear setaceous/linear/ linear foliaceous linear pinnatisect foliaceous foliaceous linear
foliaceous (P. adenopoda , P. guatemalensis )/absent (four species)*
Nectary on bract absent absent absent absent/present present absent absent absent absentFlower orientation erect erect/intermediate/pendular pendular erect/intermediate/pendular erect erect erect/intermediate/pendular erect erectCorolla shape reflex intermediate/campanulate campanulate intermediate/reflex reflex intermediate/reflex campanulate/intermediate/reflex reflex reflexDominant corolla color white white red (pink) white/red red white red (including pink or orange) red whiteCorona type filamentous filamentous filamentous filamentous filamentous filamentous tuberculous/ filamentous filamentousCorona filaments sickle-sword-shaped linear linear linear linear linear filamentous, linear linear linear
free free free free fused at base free free free freeNumber of corona series uniseriate biseriate/ uniseriate pentaseriate biseriate 3- to 5-seriate uni- to 5-seriate pentaseriate biseriate
uniseriate (P. guatemalensis and P. adenopoda )/triseriate (P. filipes and P. magadalenae )
Corona color-clear (longest row) white white white red white white/purple purple whiteCorona color-darkest (longest row) yellow white/purple/ white purple red purple purple purple white
yellow (P. guatemalensis ) white (P. guazumaefolia ) white (P. jardinensis )Petals present present/ present present present present present present present
absent (P. coriaceae and P. suberosa )Sepal awn absent absent/present absent present present present present present absentNectar chamber ring present absent absent present present present present present absentHypanthium campanulate flat tubular campalunate tubular campanulate tubular tubular flatLimen present present absent present present present present present presentOvary shape tricostate globose globose globose globose globose globose globose globoseFruit shape globose globose/ elongate globose/ globose globose elongate/ elongate globose
elongate (P. rubra and P. capsularis ) elongate (P. quadrangularis ) globose (P. pinnatistipula )
Categorized (from quantitatives traits)Stem diameter ≥ 120 mm ≤ 20 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm
< 60 mm < 60 mm < 60 mm < 60 mmLeaf length > 215 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm
< 190 mm (P. sphaerocarpa )Sepal length ≤ 30 mm ≤ 30 mm > 30 mm > 30 mm > 30 mm ≤ 30 mm > 30 mm > 30 mm ≤ 30 mm
≤ 30 mm (six species)ª ≤ 30 mm (P. luzmarina and P. mathewsii ) Androgynophore length < 23 mm < 23 mm > 25 mm < 23 mm > 25 mm < 23 mm > 25 mm > 25 mm < 23 mm
Passiflora
Feuillet & MacDougal (2003) Astrophea Deidamioides
Killip (1938), Escobar (1988), MacDougal (1994) Astrophea Decaloba Psilanthus Passiflora Distephana Dysosmia Tacsonia Manicata TryphostemmatoidesSpecies/accession number n= 3/4 n= 17/31 n= 1/1 n= 19/44 n= 1/2 n= 1/2 n= 16/36 n= 1/1 n= 2/2Main pollinators medium (honey) bees small to large bees - wasps sword-billed large (carpenter) bees hummingbirds bees sword-billed hummingbirds bees
hummingbird hummingbirdChromosome number
Altitudinal range 1.000 - 2.200 m 60 - 2.700 m 2.600 - 3.200 20 - 2.400 m 50 - 1.200 m 30 - 1.200 m 2.100 - 3.700 m 1.900 - 2.500 m 50 - 2.000 m
Descriptors
Habit tree vine vine vine vine vine vine vine vineStem section irregular terete/angular angular terete/angular/winged terete terete terete/angular angular tereteSecondery xylema present absent absent absent absent absent absent absent absentTendril position absent axillary axillary axillary axillary axillary axillary axillary axillary and peduncleStipule short triangular setaceous/linear/foliaceous-aristate setaceous setaceous/linear/foliaceous-aristate linear foliaceous-aristate setaceous/linear/foliaceous-aristate foliaceous-aristate setaceousStipule nectaries (conspicuous) absent absent absentLeaf lobation one three three one/three/more three three one/three three oneLeaf base cuneate-rounded cuneate-rounded/cordate/ cordate cuneate-rounded/cordate cordate cordate cuneate-rounded/cordate cordate rounded
Leaf apex obtuse/acute rounded/obtuse/acute acute/very acute rounded to very acute acute acute acute/very acute obtuse to very acute retuseLeaf margin entireLaminar nectaries absent present/absent (five species)b present absent absent absent absent absent absentLeaf margin nectaries (conspicuous) absent absent/sinus/ absent absent/sinus sinus absent
Petiolar nectaries absent
Dorsal nectaries present absent absent absent absent absent absent absent absentPeduncle branching presentBract shape linear setaceous/linear/ linear foliaceous linear pinnatisect foliaceous foliaceous linear
/absent (four species)*Nectary on bract absent absent absent absent/present present absent absent absent absentFlower orientation erect erect/intermediate/pendular pendular erect/intermediate/pendular erect erect erect/intermediate/pendular erect erectCorolla shape reflex intermediate/campanulate campanulate intermediate/reflex reflex intermediate/reflex campanulate/intermediate/reflex reflex reflexDominant corolla color white white red (pink) white/red red white red (including pink or orange) red whiteCorona type filamentous filamentous filamentous filamentous filamentous filamentous tuberculous/ filamentous filamentousCorona filaments sickle-sword-shaped linear linear linear linear linear filamentous, linear linear linear
free free free free fused at base free free free freeNumber of corona series uniseriate biseriate/ uniseriate pentaseriate biseriate 3- to 5-seriate uni- to 5-seriate pentaseriate biseriate
Corona color-clear (longest row) white white white red white white/purple purple whiteCorona color-darkest (longest row) yellow white/purple/ white purple red purple purple purple white
Petals present present/ present present present present present present present
Sepal awn absent absent/present absent present present present present present absentNectar chamber ring present absent absent present present present present present absentHypanthium campanulate flat tubular campalunate tubular campanulate tubular tubular flatLimen present present absent present present present present present presentOvary shape tricostate globose globose globose globose globose globose globose globoseFruit shape globose globose/ elongate globose/ globose globose elongate/ elongate globose
Categorized (from quantitatives traits)Stem diameter ≥ 120 mm ≤ 20 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm ≥ 30 mm ≥ 30 mm ≤ 20 mm
< 60 mm < 60 mm < 60 mm < 60 mmLeaf length > 215 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm < 190 mm
Sepal length ≤ 30 mm ≤ 30 mm > 30 mm > 30 mm > 30 mm ≤ 30 mm > 30 mm > 30 mm ≤ 30 mm
Androgynophore length < 23 mm < 23 mm > 25 mm < 23 mm > 25 mm < 23 mm > 25 mm > 25 mm < 23 mm
32 Discriminant qualitative characters between subgenera
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e. Qualitative data dendrogram (nNeighbour Joining, 32 characters)
n = 9n = 6
n = 12
Distances Sokal & Michener
n = 10
n = ??
n = 6
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Conclusions
The new descriptors list has permitted to rank species together with taxonomy in a coherent way. However, there are some exceptions.
The analysis is coherent with Killip's classification (1938) at the subgenus level.
Descriptors related to the flower permit a higher discrimination between subgenera and species.
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III. Genetic diversity (CAPS – DNAcp/mt)
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Taxon sampling
• 213 individuals• 151 species • 15 subgenera (Killip, 1938)
Origin• Collections in Colombia – 75 %• Passion Fruit National Collections – Blois (France) – 22 %• Royal Botanical Garden – Meise (Belgium) – 2 %• Cameroon and Gabon - 1% (outgroup)
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Tecnic – Markers RFLP-PCR (2 couple of primers / 6 enzymes)
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Nuclear Sequences
ncpGS
- 91 species
- 17 subgenera (Killip, 1938)
Yockteng & Nadot (2004)DECALO
BA
ASTROPHEA
PASSIF
LORA
Outgroup
Previous studies
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Hansen et al. (2006)
Chloroplas Sequences TrnL / TrnT
- 57 species
- 16 subgenera (Killip, 1938)
DECALOBA
ASTROPHEA
PASSIF
LORA
outgroup
Previous studies
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Lad
der
P. o
erst
edii
P. m
alifo
rmis
P. s
mith
iiP
. le
hman
nii
P. a
lata
P. a
mbi
gua
P. c
inci
nnat
aP
. gar
ckei
P. p
open
ovii
P. t
risul
caP
. cae
rule
aP
. qua
dran
gula
risP
. citr
ifolia
P. c
oria
ceae
P. f
ilipe
sP
. ery
trop
hylla
P. s
uber
osa
P. c
unea
taP
. mag
dale
nae
P.
linea
ristip
ula
P. a
ntio
quie
nsis
P. p
arrit
aeP
. tric
uspi
sP
. aln
ifolia
P.
luzm
arin
aP
. fle
xipe
sP
. mix
taP
. tar
min
ana
Lad
der
TS1TS1--TS2 (TS2 (HpaHpaIIII))
N1B1N1B1--N1C (N1C (HpaHpaIIII))
Chloroplast
Mitochondria
Cytoplasmatic genome inter-specific variation
280 haplotypes
372 haplotypes
Chlorotypes are easier to interpret than mitotypes
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Primers Hinf I Rsa I Hpa II Hae III Hha I
Taq I
PC1 – PC2
Decaloba two group - Adenia - Barteria -Smeathmannia - other subgenera
Impossible to interpret
Decaloba three groups - other subgenera
Decaloba - Adenia -Smeathmannia - other subgenera
Decaloba three groups - Passiflora two groups - Tacsonia two group - other subgenera
Decaloba - other subgenera
TS1 – TS2 Decaloba two groups - Passiflora four groups - (Barteria - Smeathmannia) - other subgenera
Decaloba three groups - Passiflora four groups - Astrophea - other subgenera
Decaloba two groups - Passiflora three groups - Adenia - (Barteria - Smeathmannia) - other subgenera
Decaloba three groups - Passiflora two groups - other subgenera
Decaloba two groups - Passiflora two groups - other subgenera
Decaloba three groups - Passiflora two groups - Distephana - Astrophea - Adenia - (Barteria - Smeathmannia) - other subgenera
N41 – N42
Decaloba two groups - Passiflora - Astrophea - (Barteria - Smeathmannia) - other subgenera
Decaloba three groups - Passiflora two groups - Adenia - other subgenera
Decaloba two groups Passiflora four groups - Tacsonia two groups - Barteria two groups - other subgenera
Decaloba two - Passiflora five groups - Adenia - other subgenera
Decaloba two groups - Passiflora three groups - Barteria two groups - other subgenera
Impossible to interpret
N1B – N1C Decaloba three groups - Passiflora two groups - Tacsonia two groups - (Barteria - Smeathmannia) - Adenia - other subgenera
Decaloba two groups - Passiflora two groups - Tacsonia - (Barteria - Smeathmannia) - Adenia - other subgenera
Decaloba two groups - Passiflora two groups - Tacsonia two groups - (Barteria - Smeathmannia) - other subgenera
Decaloba two groups - Passiflora two groups - Tacsonia three two - other subgenera
Decaloba two groups - Passiflora two groups - Tacsonia two groups - Murucuja - Adenia - other subgenera
Decaloba two groups - Tacsonia - Barteria two groups - Adenia -
Observed variation per primer-enzyme combination (haplotypes)
Mit
och
on
dri
al
C
hlo
rop
last
ic
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AFTD of Chloroplastic data
OUTGROUP
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Chloroplast DNAAstropheaTryphostemmatoides
- Three big groups
Decaloba – much better separated and structured
Passiflora - little structure
Astrophea
- Genus monophyly ?
- Tryphostemmatoides
NJ, distance de Sokal & Michener
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Mitochondrial DNA
Separation of the Decaloba group, better structured
AstropheaTryphostemmatoides
Strong approximation of Astrophea and Tryphostemmatoides to Passiflora
Tacsonia
Little cohesion with morphology at the section and series levels.
Tacsonia
Geographic structuring by:
- altitude range (Tacsonia, stip. ren.)
- region (Tacsonia, Ecuador/Colombia).
Genus monophyly ?
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Conclusions
• Divergence between morphologic, chloroplastic and mitochondrial data explains plastid transmission modes:
Chloroplastic genome transmission is basically paternal or biparental in the Passiflora group, and maternal in the mitochondiral genome.
• The doubt on whether the Passiflora genus is not monophyletic imposes a re-examination of the generic classification of Passifloraceae.
• The data set must be interpreted taking into account the geological context of tropical flora separation and the formation of the Andean mountain range.
• RETICULATE EVOLUTION
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Future prospects
Passion fruits and biodiversityComplete and verify our knowledge on little or non-exploited zones and tune further geographic analyses to test passion fruits as an indicator group.
Passion fruits and genetic resourcesExplore the possibility of interspecific hybridization to compensate for the deficiencies of the main cultivated species.
Passifloraceae studies and their evolution- Sequences of other genome regions.- Study hybridization and introgression between sympatric species (compatibility, molecular markers and cytogenetics) to understand cross-linking mechanisms. - Study the plastid genome transmission in the family at the genus level.