4.7 Review

Methylation hallmarks on the histone tail as a linker of osmotic stress and gene transcription

期刊

FRONTIERS IN PLANT SCIENCE
卷 13, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2022.967607

关键词

osmotic stress; histone methylation; histone demethylation; gene transcription; stress memory

资金

  1. Taishan Scholars program of Shandong Province
  2. Natural Science Foundation of Shandong Province
  3. Project for Scientific Research Innovation Team of Young Scholar in Colleges and Universities of Shandong Province
  4. [tsqn201812018]
  5. [ZR2019ZD16]
  6. [2020KJE002]

向作者/读者索取更多资源

Plants dynamically regulate their gene expression in response to challenging environments through histone methylation. Osmotic stress can cause significant changes in histone methylation profiles and genome-wide transcriptional reprogramming. However, the precise mechanism of how stress-inducible genes are epigenetically regulated by histone methylation remains largely unknown. This review summarizes recent findings on the interaction between histone (de)methylation and osmotic stress, focusing on the effects of stress on histone methylation profiles and how histone methylation optimizes plant performance under stress conditions.
Plants dynamically manipulate their gene expression in acclimation to the challenging environment. Hereinto, the histone methylation tunes the gene transcription via modulation of the chromatin accessibility to transcription machinery. Osmotic stress, which is caused by water deprivation or high concentration of ions, can trigger remarkable changes in histone methylation landscape and genome-wide reprogramming of transcription. However, the dynamic regulation of genes, especially how stress-inducible genes are timely epi-regulated by histone methylation remains largely unclear. In this review, recent findings on the interaction between histone (de)methylation and osmotic stress were summarized, with emphasis on the effects on histone methylation profiles imposed by stress and how histone methylation works to optimize the performance of plants under stress.

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