Epigenetic regulation of stress responses in plants

Gene expression driven by developmental and stress cues often depends on nucleosome histone post-translational modifications and sometimes on DNA methylation. A number of studies have shown that these DNA and histone modifications play a key role in gene expression and plant development under stress...

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Bibliographic Details
Published inCurrent opinion in plant biology Vol. 12; no. 2; pp. 133 - 139
Main Authors Chinnusamy, Viswanathan, Zhu, Jian-Kang
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.04.2009
[Oxford, UK]: Pergamon: Elsevier Science
Subjects
abiotic stress
DNA Methylation
Epigenesis, Genetic
epigenetics
gene expression
Germination
heritability
literature reviews
Plant Development
plant genetics
plant stress
plants
Plants - genetics
Reproduction
Stress, Physiological - genetics
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Summary:Gene expression driven by developmental and stress cues often depends on nucleosome histone post-translational modifications and sometimes on DNA methylation. A number of studies have shown that these DNA and histone modifications play a key role in gene expression and plant development under stress. Most of these stress-induced modifications are reset to the basal level once the stress is relieved, while some of the modifications may be stable, that is, may be carried forward as ‘stress memory’ and may be inherited across mitotic or even meiotic cell divisions. Epigenetic stress memory may help plants more effectively cope with subsequent stresses. Comparative studies on stress-responsive epigenomes and transcriptomes will enhance our understanding of stress adaptation of plants.
Bibliography:http://dx.doi.org/10.1016/j.pbi.2008.12.006
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ISSN:1369-5266
1879-0356
DOI:10.1016/j.pbi.2008.12.006