Molecular inference of a Late Pleistocene diversification shift in Nigella s. lat. (Ranunculaceae) resulting from increased speciation in the Aegean archipelago
Identifieur interne : 001175 ( Main/Exploration ); précédent : 001174; suivant : 001176Molecular inference of a Late Pleistocene diversification shift in Nigella s. lat. (Ranunculaceae) resulting from increased speciation in the Aegean archipelago
Auteurs : Christiane Bittkau [Allemagne] ; Hans Peter Comes [Autriche]Source :
- Journal of Biogeography [ 0305-0270 ] ; 2009-07.
English descriptors
- KwdEn :
Abstract
Aim To infer the temporal course and geographical mode of speciation in Mediterranean/Southwest Asian Nigella s. lat. Location Mediterranean Basin, Aegean archipelago. Methods Phylogenies for Nigella L. and Garidella L. (= Nigella s. lat.) were obtained from maximum‐likelihood analyses of internal transcribed spacer (ITS) sequences. Diversification through time was analysed by log lineages‐through‐time (LTT) plots and survival analyses. Relative node age estimates were regressed against the degree of sympatry between sister clades to infer the predominant mode of geographical speciation in Nigella s. lat. Results The Late Pleistocene radiation of the Nigella arvensis complex in the Aegean region caused a significant departure from a stochastic speciation/extinction process of diversification during the evolution of Nigella s. lat., a lineage of (at least) Late Miocene origin. Speciation within Nigella s. lat. predominantly took place in allopatry. Main conclusions No significant effect on diversification rate was found regarding the establishment of a Mediterranean‐type climate, or the onset of the Quaternary climatic oscillations. Rather, the accelerated rate of speciation in the N. arvensis complex is plausibly related to increased opportunities for allopatric speciation afforded by the (palaeo)geographical complexity of the Aegean archipelago combined with Late Pleistocene changes in climate and sea level. The evolution of self‐pollination and associated changes in habitat preference and flowering time further augmented speciation and niche differentiation within the complex, but these changes did not act as the primary promoters of the radiation process.
Url:
DOI: 10.1111/j.1365-2699.2008.02003.x
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 001601
- to stream Istex, to step Curation: 001601
- to stream Istex, to step Checkpoint: 000360
- to stream Main, to step Merge: 001187
- to stream Main, to step Curation: 001175
Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Molecular inference of a Late Pleistocene diversification shift in Nigella s. lat. (Ranunculaceae) resulting from increased speciation in the Aegean archipelago</title><author><name sortKey="Bittkau, Christiane" sort="Bittkau, Christiane" uniqKey="Bittkau C" first="Christiane" last="Bittkau">Christiane Bittkau</name></author><author><name sortKey="Comes, Hans Peter" sort="Comes, Hans Peter" uniqKey="Comes H" first="Hans Peter" last="Comes">Hans Peter Comes</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:67EAC703F0C02852B83F4E178378F0BA4807CCFC</idno><date when="2009" year="2009">2009</date><idno type="doi">10.1111/j.1365-2699.2008.02003.x</idno><idno type="url">https://api.istex.fr/document/67EAC703F0C02852B83F4E178378F0BA4807CCFC/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001601</idno><idno type="wicri:Area/Istex/Curation">001601</idno><idno type="wicri:Area/Istex/Checkpoint">000360</idno><idno type="wicri:doubleKey">0305-0270:2009:Bittkau C:molecular:inference:of</idno><idno type="wicri:Area/Main/Merge">001187</idno><idno type="wicri:Area/Main/Curation">001175</idno><idno type="wicri:Area/Main/Exploration">001175</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Molecular inference of a Late Pleistocene diversification shift in Nigella s. lat. (Ranunculaceae) resulting from increased speciation in the Aegean archipelago</title><author><name sortKey="Bittkau, Christiane" sort="Bittkau, Christiane" uniqKey="Bittkau C" first="Christiane" last="Bittkau">Christiane Bittkau</name><affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institut für Spezielle Botanik und Botanischer Garten, Johannes Gutenberg‐Universität, Mainz</wicri:regionArea><wicri:noRegion>Mainz</wicri:noRegion><wicri:noRegion>Mainz</wicri:noRegion></affiliation></author><author><name sortKey="Comes, Hans Peter" sort="Comes, Hans Peter" uniqKey="Comes H" first="Hans Peter" last="Comes">Hans Peter Comes</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea>Fachbereich für Organismische Biologie, Paris‐Lodron‐Universität, Salzburg</wicri:regionArea><wicri:noRegion>Salzburg</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Biogeography</title><idno type="ISSN">0305-0270</idno><idno type="eISSN">1365-2699</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2009-07">2009-07</date><biblScope unit="volume">36</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="1346">1346</biblScope><biblScope unit="page" to="1360">1360</biblScope></imprint><idno type="ISSN">0305-0270</idno></series><idno type="istex">67EAC703F0C02852B83F4E178378F0BA4807CCFC</idno><idno type="DOI">10.1111/j.1365-2699.2008.02003.x</idno><idno type="ArticleID">JBI2003</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0305-0270</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aegean archipelago</term><term>ITS</term><term>Nigella</term><term>allopatric speciation</term><term>diversification rate</term><term>lineages‐through‐time</term><term>rapid radiation</term><term>survival analyses</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Aim To infer the temporal course and geographical mode of speciation in Mediterranean/Southwest Asian Nigella s. lat. Location Mediterranean Basin, Aegean archipelago. Methods Phylogenies for Nigella L. and Garidella L. (= Nigella s. lat.) were obtained from maximum‐likelihood analyses of internal transcribed spacer (ITS) sequences. Diversification through time was analysed by log lineages‐through‐time (LTT) plots and survival analyses. Relative node age estimates were regressed against the degree of sympatry between sister clades to infer the predominant mode of geographical speciation in Nigella s. lat. Results The Late Pleistocene radiation of the Nigella arvensis complex in the Aegean region caused a significant departure from a stochastic speciation/extinction process of diversification during the evolution of Nigella s. lat., a lineage of (at least) Late Miocene origin. Speciation within Nigella s. lat. predominantly took place in allopatry. Main conclusions No significant effect on diversification rate was found regarding the establishment of a Mediterranean‐type climate, or the onset of the Quaternary climatic oscillations. Rather, the accelerated rate of speciation in the N. arvensis complex is plausibly related to increased opportunities for allopatric speciation afforded by the (palaeo)geographical complexity of the Aegean archipelago combined with Late Pleistocene changes in climate and sea level. The evolution of self‐pollination and associated changes in habitat preference and flowering time further augmented speciation and niche differentiation within the complex, but these changes did not act as the primary promoters of the radiation process.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Autriche</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Bittkau, Christiane" sort="Bittkau, Christiane" uniqKey="Bittkau C" first="Christiane" last="Bittkau">Christiane Bittkau</name></noRegion></country><country name="Autriche"><noRegion><name sortKey="Comes, Hans Peter" sort="Comes, Hans Peter" uniqKey="Comes H" first="Hans Peter" last="Comes">Hans Peter Comes</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Musique/explor/OperaV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 001175 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 001175 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Wicri/Musique
|area= OperaV1
|flux= Main
|étape= Exploration
|type= RBID
|clé= ISTEX:67EAC703F0C02852B83F4E178378F0BA4807CCFC
|texte= Molecular inference of a Late Pleistocene diversification shift in Nigella s. lat. (Ranunculaceae) resulting from increased speciation in the Aegean archipelago
}}
| This area was generated with Dilib version V0.6.21. |  |