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Comparison of Migratory and Resident Populations of Brown Trout Reveals Candidate Genes for Migration Tendency

Uusi-Heikkilä S; Huusko A; Vasemägi A; Vainikka A; Lemopoulos A

dc.contributor.authorUusi-Heikkilä S
dc.contributor.authorHuusko A
dc.contributor.authorVasemägi A
dc.contributor.authorVainikka A
dc.contributor.authorLemopoulos A
dc.date.accessioned2022-10-28T14:19:09Z
dc.date.available2022-10-28T14:19:09Z
dc.identifier.urihttps://www.utupub.fi/handle/10024/170664
dc.description.abstractCandidate genes associated with migration have been identified in multiple taxa: including salmonids, many of whom perform migrations requiring a series of physiological changes associated with the freshwater-saltwater transition. We screened over 5,500 SNPs for signatures of selection related to migratory behavior of brown trout Salmo trutta by focusing on ten differentially migrating freshwater populations from two watersheds (the Koutajoki and the Oulujoki). We found eight outlier SNPs potentially associated with migratory versus resident life history using multiple (>= 3) outlier detection approaches. Comparison of three migratory versus resident population pairs in the Koutajoki watershed revealed seven outlier SNPs, of which three mapped close to genes ZNF665-like, GRM4-like, and PCDH8-like that have been previously associated with migration and smoltification in salmonids. Two outlier SNPs mapped to genes involved in mucus secretion (ST3GAL1-like) and osmoregulation (C14orf37-like). The last two strongly supported outlier SNPs mapped to thermally induced genes (FNTA1-like, FAM134C-like). Within the Oulujoki, the only consistent outlier SNP mapped close to a gene (EZH2) that is associated with compensatory growth in fasted trout. Our results suggest that a relatively small yet common set of genes responsible for physiological functions associated with resident and migratory life histories is evolutionarily conserved.
dc.language.isoen
dc.publisherOXFORD UNIV PRESS
dc.titleComparison of Migratory and Resident Populations of Brown Trout Reveals Candidate Genes for Migration Tendency
dc.identifier.urlhttps://academic.oup.com/gbe/article/10/6/1493/5020727
dc.identifier.urnURN:NBN:fi-fe2021042719647
dc.relation.volume10
dc.contributor.organizationfi=biologian laitoksen yhteiset|en=Department of Biology|
dc.contributor.organizationfi=ekologia ja evoluutiobiologia|en=Ecology and Evolutionary Biology|
dc.contributor.organization-code2606400
dc.contributor.organization-code2606402
dc.converis.publication-id35680322
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/35680322
dc.format.pagerange1493
dc.format.pagerange1503
dc.identifier.eissn1759-6653
dc.identifier.jour-issn1759-6653
dc.okm.affiliatedauthorUusi-Heikkilä, Silva
dc.okm.affiliatedauthorVasemägi, Anti
dc.okm.affiliatedauthorLemopoulos, Alexandre
dc.okm.discipline1181 Ekologia, evoluutiobiologiafi_FI
dc.okm.discipline1181 Ecology, evolutionary biologyen_GB
dc.okm.internationalcopublicationnot an international co-publication
dc.okm.internationalityInternational publication
dc.okm.typeJournal article
dc.publisher.countryBritanniafi_FI
dc.publisher.countryUnited Kingdomen_GB
dc.publisher.country-codeGB
dc.relation.doi10.1093/gbe/evy102
dc.relation.ispartofjournalGenome Biology and Evolution
dc.relation.issue6
dc.year.issued2018


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