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DNA METHYLATION IN EMBRYOS AND SEEDLINGS OF PLANTS

A complex system of genetic and epigenetic networks controls growth and development of plants. DNA methylation is one of the epigenetic mechanisms involved in suppression of transposon activity, chromatin reorganization, genomic imprinting, and regulation of gene expression. Modulation of the degree of genome methylation is observed during the implementation of morphogenetic development programs and in response to external influences. The change in the degree and pattern of methylation at the embryo-seedling stage in this mini-review is considered. The issues of molecular mechanisms of methylation and its role in the processes of embryo formation, germination and seedling development are discussed.