Abstract
In every organism, the expression of genes is regulated in response to the changes in the surrounding environment. The study of epigenetics in plants is essential in view of the improvement of agricultural productivity. Epigenetic modifications can enhance crops’ yield and stress tolerance without making any alteration within their genomic sequences. The routes of epigenetic modifications include processes such as methylation of DNA, modifications of histone proteins, chromatin remodeling, and non-coding RNA-mediated regulation of genes. Genome-wide epigenetic profiles, coined as the epigenome, of several plants have been identified in recent years. In the scope of this review, we are going to discuss progress made in the field of plant epigenomics under the limelight of stress tolerance, especially saline conditions.
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