Chromatin modifications and remodeling in plant abiotic stress responses
Resource
BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS, 1819(2), 129-136
Journal
Biochimica et Biophysica Acta (BBA)-Gene Regulatory Mechanisms
Journal Volume
1819
Journal Issue
2
Pages
129-136
Date Issued
2012
Date
2012
Author(s)
Abstract
Sensing environmental changes and initiating a gene expression response are important for plants as sessile autotrophs. The ability of epigenetic status to alter rapidly and reversibly could be a key component to the flexibility of plant responses to the environment. The involvement of epigenetic mechanisms in the response to environmental cues and to different types of abiotic stresses has been documented. Different environmental stresses lead to altered methylation status of DNA as well as modifications of nucleosomal histones. Understanding how epigenetic mechanisms are involved in plant response to environmental stress is highly desirable, not just for a better understanding of molecular mechanisms of plant stress response but also for possible application in the genetic manipulation of plants. In this review, we highlight our current understanding of the epigenetic mechanisms of chromatin modifications and remodeling, with emphasis on the roles of specific modification enzymes and remodeling factors in plant abiotic stress responses. This article is part of a Special Issue entitled: Plant gene regulation in response to abiotic stress. © 2011 Elsevier B.V.
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Type
journal article
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