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dc.contributor.authorHerrera, Carlos M.-
dc.contributor.authorBazaga, Pilar-
dc.identifier.citationNew Phytologist (2010) 187: 867–876es_ES
dc.description.abstract• In plants, epigenetic variations based on DNA methylation are often heritable and could influence the course of evolution. Before this hypothesis can be assessed, fundamental questions about epigenetic variation remain to be addressed in a real-world context, including its magnitude, structuring within and among natural populations, and autonomy in relation to the genetic context. • Extent and patterns of cytosine methylation, and the relationship to adaptive genetic divergence between populations, were investigated for wild populations of the southern Spanish violet Viola cazorlensis (Violaceae) using the methylation- sensitive amplified polymorphism (MSAP) technique, a modification of the amplified fragment length polymorphism method (AFLP) based on the differential sensitivity of isoschizomeric restriction enzymes to site-specific cytosine methylation. • The genome of V. cazorlensis plants exhibited extensive levels of methylation, and methylation-based epigenetic variation was structured into distinct between- and within- population components. Epigenetic differentiation of populations was correlated with adaptive genetic divergence revealed by a Bayesian population- genomic analysis of AFLP data. Significant associations existed at the individual genome level between adaptive AFLP loci and the methylation state of methylation- susceptible MSAP loci. • Population-specific, divergent patterns of correlated selection on epigenetic and genetic individual variation could account for the coordinated epigenetic-genetic adaptive population differentiation revealed by this study.es_ES
dc.publisherJohn Wiley & Sonses_ES
dc.subjectadaptive divergencees_ES
dc.subjectamplified fragment length polymorphism (AFLP),es_ES
dc.subjectDNA methylationes_ES
dc.subjectepigenetic variationes_ES
dc.subjectmethylation-sensitive amplified polymorphism (MSAP),es_ES
dc.subjectpopulation genomicses_ES
dc.subjectViola cazorlensises_ES
dc.titleEpigenetic differentiation and relationship to adaptive genetic divergence in discrete populations of the violet Viola cazorlensises_ES
dc.description.peerreviewedPeer reviewedes_ES
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