表观遗传学
染色质
非生物胁迫
生物
组蛋白
非生物成分
适应(眼睛)
染色质重塑
遗传学
细胞生物学
基因
生态学
神经科学
作者
Yanan Chang,Chen Zhu,Jing Jiang,Huiming Zhang,Jian‐Kang Zhu,Cheng‐Guo Duan
摘要
In eukaryotic cells, gene expression is greatly influenced by the dynamic chromatin environment. Epigenetic mechanisms, including covalent modifications to DNA and histone tails and the accessibility of chromatin, create various chromatin states for stress-responsive gene expression that is important for adaptation to harsh environmental conditions. Recent studies have revealed that many epigenetic factors participate in abiotic stress responses, and various chromatin modifications are changed when plants are exposed to stressful environments. In this review, we summarize recent progress on the cross-talk between abiotic stress response pathways and epigenetic regulatory pathways in plants. Our review focuses on epigenetic regulation of plant responses to extreme temperatures, drought, salinity, the stress hormone abscisic acid, nutrient limitations and ultraviolet stress, and on epigenetic mechanisms of stress memory.
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