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Mullerian mimicry of a quantitative trait despite contrasting levels of genomic divergence and selection.

dc.creatorCurran, Emma Vspa
dc.creatorStankowski, Seanspa
dc.creatorPardo Díaz, Geimy Carolinaspa
dc.creatorSalazar, Camilo
dc.creatorLinares, Mauriciospa
dc.creatorNadeau, Nicola Jspa
dc.date.accessioned2020-06-11T13:21:47Z
dc.date.available2020-06-11T13:21:47Z
dc.date.created2020spa
dc.description.abstractHybrid zones, where distinct populations meet and interbreed, give insight into how differences between populations are maintained despite gene flow. Studying clines in genetic loci and adaptive traits across hybrid zones is a powerful method for understanding how selection drives differentiation within a single species, but can also be used to compare parallel divergence in different species responding to a common selective pressure. Here, we study parallel divergence of wing colouration in the butterflies Heliconius erato and H. melpomene, which are distantly related Mullerian mimics that show parallel geographic variation in both discrete variation in pigmentation, and quantitative variation in structural colour. Using geographic cline analysis, we show that clines in these traits are positioned in the roughly the same geographic region for both species, which is consistent with direct selection for mimicry. However, the width of the clines varies markedly between species. This difference is explained in part by variation in the strength of selection acting on colour traits within each species, but may also be influenced by differences in the dispersal rate and total strength of selection against hybrids between the species. Genotyping-by-sequencing also revealed weaker population structure in H. melpomene, suggesting the hybrid zones may have evolved differently in each species; which may also contribute to the patterns of phenotypic divergence in this system Overall, we conclude that multiple factors are needed to explain patterns of clinal variation within and between these species, although mimicry has probably played a central role.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1111/mec.15460
dc.identifier.issn1365-294X
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/24904
dc.language.isoeng
dc.publisherBlackwell Publishing Inc.spa
dc.relation.citationTitleMolecular ecology
dc.relation.ispartofMolecular ecology, ISSN:1365-294X (2020); pp. -spa
dc.rights.accesRightsinfo:eu-repo/semantics/closedAccess
dc.rights.accesoBloqueado (Texto referencial)spa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subject.keywordHybrid zonesspa
dc.subject.keywordMullerian mimicryspa
dc.subject.keywordcline analysisspa
dc.subject.keywordparallel divergencespa
dc.subject.keywordquantitative trait variationspa
dc.titleMullerian mimicry of a quantitative trait despite contrasting levels of genomic divergence and selection.spa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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