Paleodistributions and Comparative Molecular Phylogeography of Leafcutter Ants (Atta spp.) Provide New Insight into the Origins of Amazonian Diversity

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dc.contributor.authorSolomon, Scott E. [UNESP]
dc.contributor.authorBacci Junior, Mauricio [UNESP]
dc.contributor.authorMartins, Joaquim [UNESP]
dc.contributor.authorVinha, Giovanna Goncalves [UNESP]
dc.contributor.authorMueller, Ulrich G.
dc.contributor.institutionUniv Texas Austin
dc.contributor.institutionSmithsonian Inst
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2013-09-30T18:47:39Z
dc.date.accessioned2014-05-20T13:56:31Z
dc.date.available2013-09-30T18:47:39Z
dc.date.available2014-05-20T13:56:31Z
dc.date.issued2008-07-23
dc.description.abstractThe evolutionary basis for high species diversity in tropical regions of the world remains unresolved. Much research has focused on the biogeography of speciation in the Amazon Basin, which harbors the greatest diversity of terrestrial life. The leading hypotheses on allopatric diversification of Amazonian taxa are the Pleistocene refugia, marine incursion, and riverine barrier hypotheses. Recent advances in the fields of phylogeography and species-distribution modeling permit a modern re-evaluation of these hypotheses. Our approach combines comparative, molecular phylogeographic analyses using mitochondrial DNA sequence data with paleodistribution modeling of species ranges at the last glacial maximum (LGM) to test these hypotheses for three co-distributed species of leafcutter ants (Atta spp.). The cumulative results of all tests reject every prediction of the riverine barrier hypothesis, but are unable to reject several predictions of the Pleistocene refugia and marine incursion hypotheses. Coalescent dating analyses suggest that population structure formed recently (Pleistocene-Pliocene), but are unable to reject the possibility that Miocene events may be responsible for structuring populations in two of the three species examined. The available data therefore suggest that either marine incursions in the Miocene or climate changes during the Pleistocene-or both-have shaped the population structure of the three species examined. Our results also reconceptualize the traditional Pleistocene refugia hypothesis, and offer a novel framework for future research into the area.en
dc.description.affiliationUniv Texas Austin, Sect Integrat Biol, Austin, TX 78712 USA
dc.description.affiliationSmithsonian Inst, Dept Entomol, Washington, DC USA
dc.description.affiliationSão Paulo State Univ, Ctr Study Social, São Paulo, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Ctr Study Social, São Paulo, Brazil
dc.description.sponsorshipNational Science Foundation
dc.description.sponsorshipUniversity of Texas at Austin
dc.description.sponsorshipAmazon Conservation Association
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdNSF: DEB 0407772
dc.description.sponsorshipIdNSF: 07012333
dc.description.sponsorshipIdFAPESP: 06/00185-7
dc.description.sponsorshipIdFAPESP: 05/54250-1
dc.description.sponsorshipIdCAPES: Aux-UT-165/2005
dc.description.sponsorshipIdCNPq: 310826/2006-3
dc.description.sponsorshipIdCNPq: 479990/2006-9
dc.description.sponsorshipIdNSF: DEB-0110073
dc.format.extent15
dc.identifierhttp://dx.doi.org/10.1371/journal.pone.0002738
dc.identifier.citationPlos One. San Francisco: Public Library Science, v. 3, n. 7, p. 15, 2008.
dc.identifier.doi10.1371/journal.pone.0002738
dc.identifier.fileWOS000264302900009.pdf
dc.identifier.issn1932-6203
dc.identifier.lattes3776345573864268
dc.identifier.urihttp://hdl.handle.net/11449/20200
dc.identifier.wosWOS:000264302900009
dc.language.isoeng
dc.publisherPublic Library Science
dc.relation.ispartofPLOS ONE
dc.relation.ispartofjcr2.766
dc.relation.ispartofsjr1,164
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titlePaleodistributions and Comparative Molecular Phylogeography of Leafcutter Ants (Atta spp.) Provide New Insight into the Origins of Amazonian Diversityen
dc.typeArtigo
dcterms.licensehttp://www.plos.org/about/open-access/license/
dcterms.rightsHolderPublic Library Science
unesp.author.lattes3776345573864268
unesp.author.orcid0000-0002-5619-1411[2]
unesp.author.orcid0000-0002-6559-8045[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Rio Claropt

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Artigos - Bioquímica e Microbiologia - IBRC