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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/51615
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dc.contributor.authorMartínez-Solano, Íñigo-
dc.contributor.authorGarcía-París, Mario-
dc.contributor.authorFerrand, Nuno-
dc.date.accessioned2012-06-15T08:13:18Z-
dc.date.available2012-06-15T08:13:18Z-
dc.date.issued2009-11-11-
dc.identifier.citationMolecular Ecology, 18(24) : 5143–5160 (2009)es_ES
dc.identifier.issn0962-1083-
dc.identifier.urihttp://hdl.handle.net/10261/51615-
dc.description18 páginas, 4 figuras, 6 tables, et al..es_ES
dc.description.abstractPleistocene glaciations often resulted in differentiation of taxa in southern European peninsulas, producing the high levels of endemism characteristic of these regions (e.g. the Iberian Peninsula). Despite their small ranges, endemic species often exhibit high levels of intraspecific differentiation as a result of a complex evolutionary history dominated by successive cycles of fragmentation, expansion and subsequent admixture of populations. Most evidence so far has come from the study of species with an Atlantic distribution in northwestern Iberia, and taxa restricted to mediterranean-type habitats remain poorly studied. The Iberian Midwife toad (Alytes cisternasii) is a morphologically conserved species endemic to southwestern and central Iberia and a typical inhabitant of Mediterranean habitats. Applying highly variable genetic markers from both mitochondrial and nuclear genomes to samples collected across the species’ range, we found evidence of high population subdivision within A. cisternasii. Mitochondrial haplotypes and microsatellites show geographically concordant patterns of genetic diversity, suggesting population fragmentation into several refugia during Pleistocene glaciations followed by subsequent events of geographical and demographic expansions with secondary contact. In addition, the absence of variation at the nuclear b-fibint7 and Ppp3caint4 gene fragments suggests that populations of A. cisternasii have been recurrently affected by episodes of extinction and recolonization, and that documented patterns of population subdivision are the outcome of recent and multiple refugia. We discuss the evolutionary history of the species with particular interest in the increasing relevance of Mediterranean refugia for the survival of genetically differentiated populations during the Pleistocene glaciations as revealed by studies in co-distributed taxa.es_ES
dc.description.sponsorshipThis work was partially supported by a PhD grant to H Gonçalves (SFRH ⁄ BD ⁄ 3375 ⁄ 2000) from FCT (Fundaçao para a Ciencia e a Tecnologia) and projects POCI ⁄ BIA-BDE ⁄ 60911 ⁄ 2004, PTDC ⁄ BIA-BDE ⁄ 69769 ⁄ 2006 and MICINN CGL2007-64621. H Gonçalves is currently supported by a Post-doc grant (SFRH ⁄ BPD ⁄ 26555 ⁄ 2006) from FCT. I. Martınez-Solano was supported by a postdoctoral fellowship from the Spanish Ministerio de Educacion y Ciencia (Ref: EX-2004–0921) and a grant from the National Science Foundation (USA) (DEB-0543446), and is currently a ‘‘Ramon y Cajal’’ postdoctoral fellow supported by the Spanish Ministerio de Ciencia e Innovacion and the Universidad de Castilla la Mancha. Partial funds for this project were provided by a grant from the Spanish Ministerio de Ciencia e Innovacion (Ref: CGL2008-04271-C02- 01 ⁄ BOS, PI: IMS). R Pereira is supported by a PhD grant (SFRH ⁄ BD ⁄ 18073 ⁄ 2004) from FCT, and B Carvalho by a research grant (BI ⁄ PTDC ⁄ BIA-BDE ⁄ 69769 ⁄ 2006).es_ES
dc.language.isoenges_ES
dc.publisherBlackwell Publishinges_ES
dc.rightsclosedAccesses_ES
dc.subjectAlytes cisternasiies_ES
dc.subjectMediterranean refugiaes_ES
dc.subjectMicrosatelliteses_ES
dc.subjectmtDNAes_ES
dc.subjectNuclear genealogieses_ES
dc.subjectPopulation subdivisiones_ES
dc.titleHigh Levels of Population Subdivision in a Morphologically Conserved Mediterranean Toad (Alytes cisternasii) Result from Recent, Multiple Refugia: Evidence from mtDNA, Microsatellites and Nuclear Genealogieses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1111/j.1365-294X.2009.04426.x-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1111/j.1365-294X.2009.04426.xes_ES
dc.identifier.e-issn1365-294X-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.grantfulltextnone-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
item.languageiso639-1en-
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