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dc.contributor.authorCarreras, Carloses_ES
dc.contributor.authorOrdóñez, Víctores_ES
dc.contributor.authorZane, Lorenzoes_ES
dc.contributor.authorKruschel, Claudiaes_ES
dc.contributor.authorNastro, Inaes_ES
dc.contributor.authorMacpherson, Enriquees_ES
dc.contributor.authorPascual, Martaes_ES
dc.identifier.citationScientific Reports 7 : 43417 (2017)es_ES
dc.descriptionEste artículo contiene 12 páginas, 5 figuras, 2 tablas.es_ES
dc.description.abstractThe assessment of the genetic structuring of biodiversity is crucial for management and conservation. For species with large effective population sizes a low number of markers may fail to identify population structure. A solution of this shortcoming can be high-throughput sequencing that allows genotyping thousands of markers on a genome-wide approach while facilitating the detection of genetic structuring shaped by selection. We used Genotyping-by-Sequencing (GBS) on 176 individuals of the endemic East Atlantic peacock wrasse (Symphodus tinca), from 6 locations in the Adriatic and Ionian seas. We obtained a total of 4,155 polymorphic SNPs and we observed two strong barriers to gene flow. The first one differentiated Tremiti Islands, in the northwest, from all the other locations while the second one separated east and south-west localities. Outlier SNPs potentially under positive selection and neutral SNPs both showed similar patterns of structuring, although finer scale differentiation was unveiled with outlier loci. Our results reflect the complexity of population genetic structure and demonstrate that both habitat fragmentation and positive selection are on play. This complexity should be considered in biodiversity assessments of different taxa, including non-model yet ecologically relevant organisms.es_ES
dc.description.sponsorshipAcknowledgements This work was supported by project CTM2013-48163 from Ministerio de Economía y Competitividad and by the European FP7 CoCoNet project (Ocean 2011-4, grant agreement #287844). CC, EM and MP are part of the research groups 2014SGR-1364, 2014SGR-120 and 2014SGR-336 of the Generalitat de Catalunya. CC was supported by a grant of the Beatriu de Pinós program of the Generalitat de Catalunya. LZ was supported by the University of Padua grant CPDA148387/14.es_ES
dc.publisherNature Publishing Groupes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.titlePopulation genomics of an endemic Mediterranean fish: differentiation by fine scale dispersal and adaptationes_ES
dc.description.peerreviewedPeer reviewedes_ES
oprm.item.hasRevisionno ko 0 false*
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