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Epigenetic mechanisms of plant stress responses and adaptation
Pranav Pankaj Sahu1, Garima Pandey, Namisha Sharma
1National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110 067, India.
Abstract:
Epigenetics has become one of the hottest topics of research in plant functional genomics since it appears promising in deciphering and imparting stress-adaptive potential in crops and other plant species. Recently, numerous studies have provided new insights into the epigenetic control of stress adaptation. Epigenetic control of stress-induced phenotypic response of plants involves gene regulation. Growing evidence suggest that methylation of DNA in response to stress leads to the variation in phenotype. Transposon mobility, siRNA-mediated methylation and host methyltransferase activation have been implicated in this process. This review presents the current status of epigenetics of plant stress responses with a view to use this knowledge towards engineering plants for stress tolerance.
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