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dc.contributor.authorAlves Monteiro, Homère J.
dc.contributor.authorBekkevold, Dorte
dc.contributor.authorPacheco, George Antunes
dc.contributor.authorMortensen, Stein
dc.contributor.authorLou, Runyang Nicolas
dc.contributor.authorTherkildsen, Nina O.
dc.contributor.authorTanguy, Arnaud
dc.contributor.authorRobert, Chloé
dc.contributor.authorDe Wit, Pierre
dc.contributor.authorMeldrup, Dorte
dc.contributor.authorLaugen, Ane Timenes
dc.contributor.authorzu Ermgassen, Philine S. E.
dc.contributor.authorStrand, Åsa
dc.contributor.authorSaurel, Camille
dc.contributor.authorHemmer-Hansen, Jakob
dc.date.accessioned2024-12-11T11:39:01Z
dc.date.available2024-12-11T11:39:01Z
dc.date.created2024-12-03T12:38:30Z
dc.date.issued2024
dc.identifier.citationMolecular Ecology. 2024, .en_US
dc.identifier.issn0962-1083
dc.identifier.urihttps://hdl.handle.net/11250/3169248
dc.description.abstractOstrea edulis, the European flat oyster, was once a widespread economically and ecologically important marine species, but has suffered dramatic declines over the past two centuries. Consequently, there has been a surge in European restoration efforts, many of which focus on restocking as a conservation measure. In this study, we used whole-genome sequencing (WGS) data to investigate the population structure, demographic history, and patterns of local adaptation of O. edulis across its natural distribution with increased sampling densities at Scandinavian localities. Results revealed seven distinct genetic clusters, including previously undescribed complex population structure in Norway, and evidence for introgression between genetic clusters in Scandinavia. We detected large structural variants (SVs) on three pseudo-chromosomes. These megabase long regions were characterised by strong linkage disequilibrium and clear geographical differentiation, suggestive of chromosomal inversions potentially associated with local adaptation. The results indicated that genomic traces of past translocations of non-native O. edulis were still present in some individuals, but overall, we found limited evidence of major impacts of translocations on the scale of contemporary population structure. Our findings highlight the importance of considering population structure and signatures of selection in the design of effective conservation strategies to preserve and restore wild native European flat oyster populations, and we provide direct knowledge safeguarding sustainable mitigation actions in this important species.en_US
dc.language.isoengen_US
dc.titleGenome-Wide Population Structure in a Marine Keystone Species, the European Flat Oyster (Ostrea edulis)en_US
dc.title.alternativeGenome-Wide Population Structure in a Marine Keystone Species, the European Flat Oyster (Ostrea edulis)en_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber20en_US
dc.source.journalMolecular Ecologyen_US
dc.identifier.doi10.1111/mec.17573
dc.identifier.cristin2326565
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2


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