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      Epigenetic regulation of stress responses in plants.

      1 ,
      Current opinion in plant biology
      Elsevier BV

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          Abstract

          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.

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          Author and article information

          Journal
          Curr Opin Plant Biol
          Current opinion in plant biology
          Elsevier BV
          1879-0356
          1369-5266
          Apr 2009
          : 12
          : 2
          Affiliations
          [1 ] Water Technology Centre, Indian Agricultural Research Institute, New Delhi 110012, India.
          Article
          S1369-5266(08)00206-9 NIHMS306837
          10.1016/j.pbi.2008.12.006
          3139470
          19179104
          90c47cf3-0d86-40b1-b802-360b6d965e20
          History

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