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Demographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europe

2020Journal article Open access
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dc.contributor.authorMattingsdal, Morten
dc.contributor.authorJorde, Per Erik
dc.contributor.authorKnutsen, Halvor
dc.contributor.authorJentoft, Sissel
dc.contributor.authorStenseth, Nils Christian
dc.contributor.authorSodeland, Marte
dc.contributor.authorRobalo, Joana I
dc.contributor.authorHansen, Michael M.
dc.contributor.authorAndré, Carl
dc.contributor.authorGonzalez, Enrique Blanco
dc.date.accessioned2021-02-10T16:17:50Z
dc.date.available2021-02-10T16:17:50Z
dc.date.issued2020
dc.description.abstractUnderstanding the biological processes involved in genetic differentiation and divergence between populations within species is a pivotal aim in evolutionary biology. One particular phenomenon that requires clarification is the maintenance of genetic barriers despite the high potential for gene flow in the marine environment. Such patterns have been attributed to limited dispersal or local adaptation, and to a lesser extent to the demographic history of the species. The corkwing wrasse (Symphodus melops) is an example of a marine fish species where regions of particular strong divergence are observed. One such genetic break occurred at a surprisingly small spatial scale (FST ~0.1), over a short coastline (<60 km) in the North Sea-Skagerrak transition area in southwestern Norway. Here, we investigate the observed divergence and purported reproductive isolation using genome resequencing. Our results suggest that historical events during the post-glacial recolonization route can explain the present population structure of the corkwing wrasse in the northeast Atlantic. While the divergence across the break is strong, we detected ongoing gene flow between populations over the break suggesting recent contact or negative selection against hybrids. Moreover, we found few outlier loci and no clear genomic regions potentially being under selection. We concluded that neutral processes and random genetic drift e.g., due to founder events during colonization have shaped the population structure in this species in Northern Europe. Our findings underline the need to take into account the demographic process in studies of divergence processes.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMolecular Ecology, 29(1), 160-171 Doi:10.1111/mec.15310pt_PT
dc.identifier.doi10.1111/mec.15310pt_PT
dc.identifier.issn1365294X
dc.identifier.urihttp://hdl.handle.net/10400.12/7951
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWiley-Blackwell Publishing Ltdpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAnimalspt_PT
dc.subjectDemographypt_PT
dc.subjectEcologypt_PT
dc.subjectEuropept_PT
dc.subjectFemalept_PT
dc.subjectFishespt_PT
dc.subjectGenomept_PT
dc.subjectMalept_PT
dc.subjectGene Flowpt_PT
dc.subjectGenetic Driftpt_PT
dc.subjectReproductive Isolationpt_PT
dc.titleDemographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUnited Kingdompt_PT
oaire.citation.endPage171pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage160pt_PT
oaire.citation.titleMolecular ecologypt_PT
oaire.citation.volume29pt_PT
person.familyNameMattingsdal
person.familyNameJorde
person.familyNameJentoft
person.familyNameHansen
person.familyNameBlanco Gonzalez
person.givenNameMorten
person.givenNamePer Erik
person.givenNameSissel
person.givenNameMichael M.
person.givenNameEnrique
person.identifier584294
person.identifier.orcid0000-0003-4440-0324
person.identifier.orcid0000-0001-5515-7257
person.identifier.orcid0000-0001-8707-531X
person.identifier.orcid0000-0001-5372-4828
person.identifier.orcid0000-0002-2631-2331
person.identifier.ridQ-9367-2016
person.identifier.ridI-5979-2013
person.identifier.scopus-author-id8543887400
person.identifier.scopus-author-id24075583300
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery79dea2aa-8626-4d7c-baaa-9656b9a2e800

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