Evolution of Spermophagus seed beetles (Coleoptera, Bruchinae, Amblycerini) indicates both synchronous and delayed colonizations of host plants.
Identifieur interne : 002E32 ( Main/Exploration ); précédent : 002E31; suivant : 002E33Evolution of Spermophagus seed beetles (Coleoptera, Bruchinae, Amblycerini) indicates both synchronous and delayed colonizations of host plants.
Auteurs : Gael J. Kergoat [France] ; Bruno P. Le Ru [Kenya] ; Seyed E. Sadeghi [Iran] ; Midori Tuda [Japon] ; Chris A M. Reid [Australie] ; Zoltán György [Hongrie] ; Gwenaëlle Genson [France] ; Cibele S. Ribeiro-Costa [Brésil] ; Alex Delobel [France]Source :
- Molecular phylogenetics and evolution [ 1095-9513 ] ; 2015.
Descripteurs français
- KwdFr :
- Analyse de séquence d'ADN, Animaux, Coléoptères (), Coléoptères (génétique), Coléoptères (physiologie), Fabaceae (parasitologie), Facteurs temps, Graines (parasitologie), Interactions hôte-parasite, Ipomoea (parasitologie), Malvaceae (parasitologie), Phylogénie, Phylogéographie, Spécificité d'hôte, Évolution moléculaire.
- MESH :
- génétique : Coléoptères.
- parasitologie : Fabaceae, Graines, Ipomoea, Malvaceae.
- physiologie : Coléoptères.
- Analyse de séquence d'ADN, Animaux, Coléoptères, Facteurs temps, Interactions hôte-parasite, Phylogénie, Phylogéographie, Spécificité d'hôte, Évolution moléculaire.
English descriptors
- KwdEn :
- Animals, Beetles (classification), Beetles (genetics), Beetles (physiology), Evolution, Molecular, Fabaceae (parasitology), Host Specificity, Host-Parasite Interactions, Ipomoea (parasitology), Malvaceae (parasitology), Phylogeny, Phylogeography, Seeds (parasitology), Sequence Analysis, DNA, Time Factors.
- MESH :
- classification : Beetles.
- genetics : Beetles.
- parasitology : Fabaceae, Ipomoea, Malvaceae, Seeds.
- physiology : Beetles.
- Animals, Evolution, Molecular, Host Specificity, Host-Parasite Interactions, Phylogeny, Phylogeography, Sequence Analysis, DNA, Time Factors.
Abstract
Seed beetles are a group of specialized chrysomelid beetles, which are mostly associated with plants of the legume family (Fabaceae). In the legume-feeding species, a marked trend of phylogenetic conservatism of host use has been highlighted by several molecular phylogenetics studies. Yet, little is known about the evolutionary patterns of association of species feeding outside the legume family. Here, we investigate the evolution of host use in Spermophagus, a species-rich seed beetle genus that is specialized on two non-legume host-plant groups: morning glories (Convolvulaceae) and mallows (Malvaceae: Malvoideae). Spermophagus species are widespread in the Old World, especially in the Afrotropical, Indomalaya and Palearctic regions. In this study we rely on eight gene regions to provide the first phylogenetic framework for the genus, along with reconstructions of host use evolution, estimates of divergence times and historical biogeography analyses. Like the legume-feeding species, a marked trend toward conservatism of host use is revealed, with one clade specializing on Convolvulaceae and the other on Malvoideae. Comparisons of plants' and insects' estimates of divergence times yield a contrasted pattern: on one hand a quite congruent temporal framework was recovered for morning-glories and their seed-predators; on the other hand the diversification of Spermophagus species associated with mallows apparently lagged far behind the diversification of their hosts. We hypothesize that this delayed colonization of Malvoideae can be accounted for by the respective biogeographic histories of the two groups.
DOI: 10.1016/j.ympev.2015.04.014
PubMed: 25916187
Affiliations:
- Australie, Brésil, France, Hongrie, Iran, Japon, Kenya
- Kyūshū, Languedoc-Roussillon, Occitanie (région administrative), Préfecture de Fukuoka, Île-de-France
- Fukuoka, Montferrier/Lez, Paris
- Université de Kyūshū
Links toward previous steps (curation, corpus...)
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Le document en format XML
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<term>Beetles (classification)</term>
<term>Beetles (genetics)</term>
<term>Beetles (physiology)</term>
<term>Evolution, Molecular</term>
<term>Fabaceae (parasitology)</term>
<term>Host Specificity</term>
<term>Host-Parasite Interactions</term>
<term>Ipomoea (parasitology)</term>
<term>Malvaceae (parasitology)</term>
<term>Phylogeny</term>
<term>Phylogeography</term>
<term>Seeds (parasitology)</term>
<term>Sequence Analysis, DNA</term>
<term>Time Factors</term>
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<term>Animaux</term>
<term>Coléoptères ()</term>
<term>Coléoptères (génétique)</term>
<term>Coléoptères (physiologie)</term>
<term>Fabaceae (parasitologie)</term>
<term>Facteurs temps</term>
<term>Graines (parasitologie)</term>
<term>Interactions hôte-parasite</term>
<term>Ipomoea (parasitologie)</term>
<term>Malvaceae (parasitologie)</term>
<term>Phylogénie</term>
<term>Phylogéographie</term>
<term>Spécificité d'hôte</term>
<term>Évolution moléculaire</term>
</keywords>
<keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Beetles</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Beetles</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Coléoptères</term>
</keywords>
<keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Fabaceae</term>
<term>Graines</term>
<term>Ipomoea</term>
<term>Malvaceae</term>
</keywords>
<keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Fabaceae</term>
<term>Ipomoea</term>
<term>Malvaceae</term>
<term>Seeds</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Coléoptères</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Beetles</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Evolution, Molecular</term>
<term>Host Specificity</term>
<term>Host-Parasite Interactions</term>
<term>Phylogeny</term>
<term>Phylogeography</term>
<term>Sequence Analysis, DNA</term>
<term>Time Factors</term>
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<term>Coléoptères</term>
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<front><div type="abstract" xml:lang="en">Seed beetles are a group of specialized chrysomelid beetles, which are mostly associated with plants of the legume family (Fabaceae). In the legume-feeding species, a marked trend of phylogenetic conservatism of host use has been highlighted by several molecular phylogenetics studies. Yet, little is known about the evolutionary patterns of association of species feeding outside the legume family. Here, we investigate the evolution of host use in Spermophagus, a species-rich seed beetle genus that is specialized on two non-legume host-plant groups: morning glories (Convolvulaceae) and mallows (Malvaceae: Malvoideae). Spermophagus species are widespread in the Old World, especially in the Afrotropical, Indomalaya and Palearctic regions. In this study we rely on eight gene regions to provide the first phylogenetic framework for the genus, along with reconstructions of host use evolution, estimates of divergence times and historical biogeography analyses. Like the legume-feeding species, a marked trend toward conservatism of host use is revealed, with one clade specializing on Convolvulaceae and the other on Malvoideae. Comparisons of plants' and insects' estimates of divergence times yield a contrasted pattern: on one hand a quite congruent temporal framework was recovered for morning-glories and their seed-predators; on the other hand the diversification of Spermophagus species associated with mallows apparently lagged far behind the diversification of their hosts. We hypothesize that this delayed colonization of Malvoideae can be accounted for by the respective biogeographic histories of the two groups.</div>
</front>
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<li>Brésil</li>
<li>France</li>
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<li>Iran</li>
<li>Japon</li>
<li>Kenya</li>
</country>
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<li>Languedoc-Roussillon</li>
<li>Occitanie (région administrative)</li>
<li>Préfecture de Fukuoka</li>
<li>Île-de-France</li>
</region>
<settlement><li>Fukuoka</li>
<li>Montferrier/Lez</li>
<li>Paris</li>
</settlement>
<orgName><li>Université de Kyūshū</li>
</orgName>
</list>
<tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Kergoat, Gael J" sort="Kergoat, Gael J" uniqKey="Kergoat G" first="Gael J" last="Kergoat">Gael J. Kergoat</name>
</region>
<name sortKey="Delobel, Alex" sort="Delobel, Alex" uniqKey="Delobel A" first="Alex" last="Delobel">Alex Delobel</name>
<name sortKey="Genson, Gwenaelle" sort="Genson, Gwenaelle" uniqKey="Genson G" first="Gwenaëlle" last="Genson">Gwenaëlle Genson</name>
</country>
<country name="Kenya"><noRegion><name sortKey="Le Ru, Bruno P" sort="Le Ru, Bruno P" uniqKey="Le Ru B" first="Bruno P" last="Le Ru">Bruno P. Le Ru</name>
</noRegion>
</country>
<country name="Iran"><noRegion><name sortKey="Sadeghi, Seyed E" sort="Sadeghi, Seyed E" uniqKey="Sadeghi S" first="Seyed E" last="Sadeghi">Seyed E. Sadeghi</name>
</noRegion>
</country>
<country name="Japon"><region name="Kyūshū"><name sortKey="Tuda, Midori" sort="Tuda, Midori" uniqKey="Tuda M" first="Midori" last="Tuda">Midori Tuda</name>
</region>
</country>
<country name="Australie"><noRegion><name sortKey="Reid, Chris A M" sort="Reid, Chris A M" uniqKey="Reid C" first="Chris A M" last="Reid">Chris A M. Reid</name>
</noRegion>
</country>
<country name="Hongrie"><noRegion><name sortKey="Gyorgy, Zoltan" sort="Gyorgy, Zoltan" uniqKey="Gyorgy Z" first="Zoltán" last="György">Zoltán György</name>
</noRegion>
</country>
<country name="Brésil"><noRegion><name sortKey="Ribeiro Costa, Cibele S" sort="Ribeiro Costa, Cibele S" uniqKey="Ribeiro Costa C" first="Cibele S" last="Ribeiro-Costa">Cibele S. Ribeiro-Costa</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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