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OBJECTIVE
Few studies have examined how epigenetic modifications of DNA may influence individual plant phenotypes and ecological processes in wild plant populations. We investigated natural variation in global DNA cytosine methylation and its phenotypic correlates in the perennial herb Helleborus
Methylation of DNA cytosines affects whether transposons are silenced and genes are expressed, and is a major epigenetic mechanism whereby plants respond to environmental change. Analyses of methylation-sensitive amplification polymorphism (MS-AFLP or MSAP) have been often used to assess
Phenotypic heterogeneity of reiterated, homologous structures produced by individual plants has ecological consequences for plants and their animal consumers. This paper examines experimentally the epigenetic mosaicism hypothesis, which postulates that within-plant variation in traits