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Association Mapping Based on a Common-Garden Migration Experiment Reveals Candidate Genes for Migration Tendency in Brown Trout

Elvidge CK; Prokkola JM; Lemopoulos A; Alioravainen N; Hyvärinen P; Vasemägi A; Uusi-Heikkilä S; Vainikka A

dc.contributor.authorElvidge CK
dc.contributor.authorProkkola JM
dc.contributor.authorLemopoulos A
dc.contributor.authorAlioravainen N
dc.contributor.authorHyvärinen P
dc.contributor.authorVasemägi A
dc.contributor.authorUusi-Heikkilä S
dc.contributor.authorVainikka A
dc.date.accessioned2022-10-28T13:41:39Z
dc.date.available2022-10-28T13:41:39Z
dc.identifier.urihttps://www.utupub.fi/handle/10024/166767
dc.description.abstractA better understanding of the environmental and genetic contribution to migratory behavior and the evolution of traits linked to migration is crucial for fish conservation and fisheries management. Up to date, a few genes with unequivocal influence on the adoption of alternative migration strategies have been identified in salmonids. Here, we used a common garden set-up to measure individual migration distances of generally highly polymorphic brown trout Salmo trutta from two populations. Fish from the assumedly resident population showed clearly shorter migration distances than the fish from the assumed migratory population at the ages of 2 and 3 years. By using two alternative analytical pipelines with 22186 and 18264 SNPs obtained through RAD-sequencing, we searched for associations between individual migration distance, and both called genotypes and genotype probabilities. None of the SNPs showed statistically significant individual effects on migration after correction for multiple testing. By choosing a less stringent threshold, defined as an overlap of the top 0.1% SNPs identified by the analytical pipelines, GAPIT and Angsd, we identified eight candidate genes that are potentially linked to individual migration distance. While our results demonstrate large individual and population level differences in migration distances, the detected genetic associations were weak suggesting that migration traits likely have multigenic control.
dc.language.isoen
dc.publisherGENETICS SOCIETY AMERICA
dc.titleAssociation Mapping Based on a Common-Garden Migration Experiment Reveals Candidate Genes for Migration Tendency in Brown Trout
dc.identifier.urnURN:NBN:fi-fe2021042822972
dc.relation.volume9
dc.contributor.organizationfi=fysiologia ja genetiikka|en=Physiology and Genetics|
dc.contributor.organizationfi=ekologia ja evoluutiobiologia|en=Ecology and Evolutionary Biology|
dc.contributor.organization-code2606404
dc.contributor.organization-code2606402
dc.converis.publication-id42718099
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/42718099
dc.format.pagerange2896
dc.format.pagerange2887
dc.identifier.eissn2160-1836
dc.identifier.jour-issn2160-1836
dc.okm.affiliatedauthorVasemägi, Anti
dc.okm.affiliatedauthorLemopoulos, Alexandre
dc.okm.affiliatedauthorUusi-Heikkilä, Silva
dc.okm.discipline1184 Genetics, developmental biology, physiologyen_GB
dc.okm.discipline1184 Genetiikka, kehitysbiologia, fysiologiafi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeJournal article
dc.publisher.countryYhdysvallat (USA)fi_FI
dc.publisher.countryUnited Statesen_GB
dc.publisher.country-codeUS
dc.relation.doi10.1534/g3.119.400369
dc.relation.ispartofjournalG3: genes, genomes, genetics
dc.relation.issue9
dc.year.issued2019


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