Diversity and dynamics of DNA methylation: epigenomic resources and tools for crop breeding

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  • Kawakatsu Taiji
    Institute of Agrobiological Sciences, National Agriculture and Food Research Organization
  • Ecker Joseph R.
    Howard Hughes Medical Institute The Salk Institute for Biological Studies

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<p>DNA methylation is an epigenetic modification that can affect gene expression and transposable element (TE) activities. Because cytosine DNA methylation patterns are inherited through both mitotic and meiotic cell divisions, differences in these patterns can contribute to phenotypic variability. Advances in high-throughput sequencing technologies have enabled the generation of abundant DNA sequence data. Integrated analyses of genome-wide gene expression patterns and DNA methylation patterns have revealed the underlying mechanisms and functions of DNA methylation. Moreover, associations between DNA methylation and agronomic traits have also been uncovered. The resulting information may be useful for future applications of natural epigenomic variation, for crop breeding. Additionally, artificial epigenome editing may be an attractive new plant breeding technique for generating novel varieties with improved agronomic traits.</p>

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