Selection and phylogenetics of salmonid MHC class I: wild brown trout (Salmo trutta) differ from a non-native introduced strain

dc.contributor.authorO'Farrell, Brian
dc.contributor.authorBenzie, John A. H.
dc.contributor.authorMcGinnity, Philip
dc.contributor.authorde Eyto, Elvira
dc.contributor.authorDillane, Eileen
dc.contributor.authorCoughlan, Jamie P.
dc.contributor.authorCross, Thomas F.en
dc.contributor.funderHigher Education Authorityen
dc.contributor.funderIrish Governmenten
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderMarine Instituteen
dc.date.accessioned2016-02-17T11:46:18Z
dc.date.available2016-02-17T11:46:18Z
dc.date.issued2013
dc.description.abstractWe tested how variation at a gene of adaptive importance, MHC class I (UBA), in a wild, endemic Salmo trutta population compared to that in both a previously studied non-native S. trutta population and a co-habiting Salmo salar population ( a sister species). High allelic diversity is observed and allelic divergence is much higher than that noted previously for cohabiting S. salar. Recombination was found to be important to population-level divergence. The alpha 1 and alpha 2 domains of UBA demonstrate ancient lineages but novel lineages are also identified at both domains in this work. We also find examples of recombination between UBA and the non-classical locus, ULA. Evidence for strong diversifying selection was found at a discrete suite of S. trutta UBA amino acid sites. The pattern was found to contrast with that found in re-analysed UBA data from an artificially stocked S. trutta population.en
dc.description.sponsorshipHigher Education Authority (Programme for Research in Third-Level Institutions Cycle 3); Science Foundation Ireland (Microbial Phylogeography grant no. 05/FE1/B882); Marine Institute and Irish Government (Beaufort Marine Research Award: Fish population genetics. Irish Government National Development Plan (2007–2014));en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleide63035
dc.identifier.citationO'Farrell B, Benzie JAH, McGinnity P, de Eyto E, Dillane E, Coughlan J, et al. (2013) Selection and Phylogenetics of Salmonid MHC Class I: Wild Brown Trout (Salmo trutta) Differ from a Non-Native Introduced Strain. PLoS ONE 8(5): e63035. doi:10.1371/journal.pone.0063035en
dc.identifier.doi10.1371/journal.pone.0063035
dc.identifier.issn1932-6203
dc.identifier.issued5en
dc.identifier.journaltitlePLOS ONEen
dc.identifier.urihttps://hdl.handle.net/10468/2379
dc.identifier.volume8en
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Principal Investigator Programme (PI)/05/FE1/B882/IE/Microbial Phylogeography/
dc.rights© 2013 O'Farrell et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are crediteden
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectMajor histocompatibility complexen
dc.subjectPeptide binding regionen
dc.subjectRainbow trouten
dc.subjectOncorhynchus mykissen
dc.subjectAtlantic salmonen
dc.subjectNatural selectionen
dc.subjectBalancing selectionen
dc.subjectTransspecies polymorphismen
dc.subjectConvergent evolutionen
dc.subjectParasite resistanceen
dc.titleSelection and phylogenetics of salmonid MHC class I: wild brown trout (Salmo trutta) differ from a non-native introduced strainen
dc.typeArticle (peer-reviewed)en
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