Morphological, ecological and genetic aspects associated with endemism in the Fly Orchid group
Identifieur interne : 004A13 ( Main/Exploration ); précédent : 004A12; suivant : 004A14Morphological, ecological and genetic aspects associated with endemism in the Fly Orchid group
Auteurs : Yann Triponez [Australie, Suisse] ; Nils Arrigo [États-Unis, Suisse] ; Loïc Pellissier [Suisse] ; Bertrand Schatz [France] ; Nadir Alvarez [Suisse]Source :
- Molecular Ecology [ 0962-1083 ] ; 2013-03.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : étude de cas, écologie.
English descriptors
- KwdEn :
- Aflp, Aflp markers, Allopatric range, American journal, Amplified fragment length polymorphism marker, Andrena combinata, Arrigo, Average labellum length, Average pairwise, Aymoninii, Bateman, Bayesian inference, Binomial distribution, Biological journal, Blackwell publishing, Botanical journal, Case study, Causses, Causses region, Chloroplast, Conservation biology, Conservation perspective, Conservation perspectives, Cozzolino widmer, Cpdna regions, Deceptive orchids, Delforge, Development core team, Developmental plasticity, Differentiation, Ecological, Ecological conditions, Ecological data, Ecological descriptors, Ecological differences, Ecological differentiation, Ecological factors, Ecology, Ecology letters, Endemic, Endemic species, Endemic taxa, Endemism, Evolutionary biology, Evolutionary entomology, Extant diversity, Fragment length polymorphisms, Genetic, Genetic analyses, Genetic aspects, Genetic cluster, Genetic clusters, Genetic differentiation, Genetic diversity, Genetic group, Genetic structure, Genetic variation, Genus, Genus ophrys, Grands causses, Haplotype, Haplotype network analysis, Hermosilla, Hybrid origin, Insectifera, Insectifera group, Insectifera individuals, Intergenic spacer, Intergroup inertia, Intricate biogeographic history, Labellum, Labellum length, Large number, Large proportion, Length polymorphisms, Linnean society, Logistic regression model, Main haplotypes, Many populations, Mediterranean basin, Mediterranean region, Molecular ecology, Molecular phylogenetics, Morphological, Morphological traits, Morphologically, Morphology, Nadir alvarez, Ndha intron, Nucleic acids research, Ophrys, Ophrys aymoninii, Ophrys insectifera, Ophrys pollination, Oral morphology, Orchid, Orchid group, Orchid species, Orchidaceae, Owers, Oxford university press, Pcoa analysis, Phenotypic differences, Phylogenetic, Phylogenetic analyses, Phylogenetic analysis, Phylogeographical pattern, Pillon chase, Plant systematics, Pollination, Pollinator, Pollinator shifts, Polymorphic sites, Population genetics, Pyrenees, Rare haplotypes, Reproductive isolation, Schl, Science foundation, Sexual deception, Southeastern balkans, Southeastern europe, Southern pyrenees, Spatial patterns, Speciation, Species delimitation, Species diversity, Species groups, Subinsectifera, Sympatric, Sympatric ranges, Systematic biology, Taxon, Taxonomic, Triponez, Value number, Vascular plants, Vereecken, Widespread species, Yann triponez.
- Teeft :
- Aflp, Aflp markers, Allopatric range, American journal, Andrena combinata, Arrigo, Average labellum length, Average pairwise, Aymoninii, Bateman, Bayesian inference, Binomial distribution, Biological journal, Blackwell publishing, Botanical journal, Case study, Causses, Causses region, Chloroplast, Conservation biology, Conservation perspective, Conservation perspectives, Cozzolino widmer, Cpdna regions, Deceptive orchids, Delforge, Development core team, Developmental plasticity, Ecological, Ecological conditions, Ecological data, Ecological descriptors, Ecological differences, Ecological differentiation, Ecological factors, Ecology, Ecology letters, Endemic, Endemic species, Endemic taxa, Endemism, Evolutionary biology, Evolutionary entomology, Extant diversity, Fragment length polymorphisms, Genetic, Genetic analyses, Genetic aspects, Genetic cluster, Genetic clusters, Genetic differentiation, Genetic diversity, Genetic group, Genetic structure, Genetic variation, Genus, Genus ophrys, Grands causses, Haplotype, Haplotype network analysis, Hermosilla, Hybrid origin, Insectifera, Insectifera group, Insectifera individuals, Intergenic spacer, Intergroup inertia, Intricate biogeographic history, Labellum, Labellum length, Large number, Large proportion, Length polymorphisms, Linnean society, Logistic regression model, Main haplotypes, Many populations, Mediterranean basin, Mediterranean region, Molecular ecology, Molecular phylogenetics, Morphological, Morphological traits, Morphologically, Nadir alvarez, Ndha intron, Nucleic acids research, Ophrys, Ophrys aymoninii, Ophrys insectifera, Ophrys pollination, Oral morphology, Orchid, Orchid group, Orchid species, Orchidaceae, Owers, Oxford university press, Pcoa analysis, Phenotypic differences, Phylogenetic, Phylogenetic analyses, Phylogenetic analysis, Phylogeographical pattern, Pillon chase, Plant systematics, Pollination, Pollinator, Pollinator shifts, Polymorphic sites, Pyrenees, Rare haplotypes, Reproductive isolation, Schl, Science foundation, Sexual deception, Southeastern balkans, Southeastern europe, Southern pyrenees, Spatial patterns, Speciation, Species delimitation, Species diversity, Species groups, Subinsectifera, Sympatric, Sympatric ranges, Systematic biology, Taxon, Taxonomic, Triponez, Value number, Vascular plants, Vereecken, Widespread species, Yann triponez.
Abstract
The European genus Ophrys (Orchidaceae) is famous for its insect‐like floral morphology, an adaptation for a pseudocopulatory pollination strategy involving Hymenoptera males. A large number of endemic Ophrys species have recently been described, especially within the Mediterranean Basin, which is one of the major species diversity hotspots. Subtle morphological variation and specific pollinator dependence are the two main perceptible criteria for describing numerous endemic taxa. However, the degree to which endemics differ genetically remains a challenging question. Additionally, knowledge regarding the factors underlying the emergence of such endemic entities is limited. To achieve new insights regarding speciation processes in Ophrys, we have investigated species boundaries in the Fly Orchid group (Ophrys insectifera sensu lato) by examining morphological, ecological and genetic evidence. Classically, authors have recognized one widespread taxon (O. insectifera) and two endemics (O. aymoninii from France and O. subinsectifera from Spain). Our research has identified clear morphological and ecological factors segregating among these taxa; however, genetic differences were more ambiguous. Insights from cpDNA sequencing and amplified fragment length polymorphisms genotyping indicated a recent diversification in the three extant Fly Orchid species, which may have been further obscured by active migration and admixture across the European continent. Our genetic results still indicate weak but noticeable phylogeographic clustering that partially correlates with the described species. Particularly, we report several isolated haplotypes and genetic clusters in central and southeastern Europe. With regard to the morphological, ecological and genetic aspects, we discuss the endemism status within the Fly Orchid group from evolutionary, taxonomical and conservation perspectives.
Url:
DOI: 10.1111/mec.12169
Affiliations:
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Le document en format XML
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<front><div type="abstract">The European genus Ophrys (Orchidaceae) is famous for its insect‐like floral morphology, an adaptation for a pseudocopulatory pollination strategy involving Hymenoptera males. A large number of endemic Ophrys species have recently been described, especially within the Mediterranean Basin, which is one of the major species diversity hotspots. Subtle morphological variation and specific pollinator dependence are the two main perceptible criteria for describing numerous endemic taxa. However, the degree to which endemics differ genetically remains a challenging question. Additionally, knowledge regarding the factors underlying the emergence of such endemic entities is limited. To achieve new insights regarding speciation processes in Ophrys, we have investigated species boundaries in the Fly Orchid group (Ophrys insectifera sensu lato) by examining morphological, ecological and genetic evidence. Classically, authors have recognized one widespread taxon (O. insectifera) and two endemics (O. aymoninii from France and O. subinsectifera from Spain). Our research has identified clear morphological and ecological factors segregating among these taxa; however, genetic differences were more ambiguous. Insights from cpDNA sequencing and amplified fragment length polymorphisms genotyping indicated a recent diversification in the three extant Fly Orchid species, which may have been further obscured by active migration and admixture across the European continent. Our genetic results still indicate weak but noticeable phylogeographic clustering that partially correlates with the described species. Particularly, we report several isolated haplotypes and genetic clusters in central and southeastern Europe. With regard to the morphological, ecological and genetic aspects, we discuss the endemism status within the Fly Orchid group from evolutionary, taxonomical and conservation perspectives.</div>
</front>
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<affiliations><list><country><li>Australie</li>
<li>France</li>
<li>Suisse</li>
<li>États-Unis</li>
</country>
<region><li>Arizona</li>
<li>Canton de Vaud</li>
</region>
<settlement><li>Lausanne</li>
</settlement>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Triponez, Yann" sort="Triponez, Yann" uniqKey="Triponez Y" first="Yann" last="Triponez">Yann Triponez</name>
</noRegion>
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<country name="Suisse"><noRegion><name sortKey="Triponez, Yann" sort="Triponez, Yann" uniqKey="Triponez Y" first="Yann" last="Triponez">Yann Triponez</name>
</noRegion>
<name sortKey="Alvarez, Nadir" sort="Alvarez, Nadir" uniqKey="Alvarez N" first="Nadir" last="Alvarez">Nadir Alvarez</name>
<name sortKey="Alvarez, Nadir" sort="Alvarez, Nadir" uniqKey="Alvarez N" first="Nadir" last="Alvarez">Nadir Alvarez</name>
<name sortKey="Arrigo, Nils" sort="Arrigo, Nils" uniqKey="Arrigo N" first="Nils" last="Arrigo">Nils Arrigo</name>
<name sortKey="Pellissier, Loic" sort="Pellissier, Loic" uniqKey="Pellissier L" first="Loïc" last="Pellissier">Loïc Pellissier</name>
<name sortKey="Triponez, Yann" sort="Triponez, Yann" uniqKey="Triponez Y" first="Yann" last="Triponez">Yann Triponez</name>
</country>
<country name="États-Unis"><region name="Arizona"><name sortKey="Arrigo, Nils" sort="Arrigo, Nils" uniqKey="Arrigo N" first="Nils" last="Arrigo">Nils Arrigo</name>
</region>
</country>
<country name="France"><noRegion><name sortKey="Schatz, Bertrand" sort="Schatz, Bertrand" uniqKey="Schatz B" first="Bertrand" last="Schatz">Bertrand Schatz</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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