植物非生物胁迫反应的表观遗传控制。

IF 6.6 2区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Lijun Ma, Lihe Xing, Zicong Li, Danhua Jiang
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引用次数: 0

摘要

除遗传信息外,生物还进化出复杂而精密的表观遗传调控,以根据发育和环境信号调整基因表达。主要的表观遗传机制包括 DNA 甲基化、组蛋白修饰和变异、染色质重塑以及 RNA 的化学修饰。表观遗传控制环境响应对植物尤为重要,因为植物是无柄的,无法远离不利环境。除了能让植物快速应对环境胁迫外,一些胁迫诱导的表观遗传变化还能保持,为植物提供一种预适应状态,以应对反复出现的胁迫。了解这些表观遗传机制为开发抗逆性更强的作物品种提供了宝贵的启示。在此,我们将重点关注非生物胁迫,并总结最近在鉴定胁迫诱导的表观遗传变化及其在植物非生物胁迫抗性中的调控机制和作用方面取得的进展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Epigenetic control of plant abiotic stress responses.

On top of genetic information, organisms have evolved complex and sophisticated epigenetic regulation to adjust gene expression in response to developmental and environmental signals. Key epigenetic mechanisms include DNA methylation, histone modifications and variants, chromatin remodeling, and chemical modifications of RNAs. Epigenetic control of environmental responses is particularly important for plants, which are sessile and unable to move away from adverse environments. Besides enabling plants to rapidly respond to environmental stresses, some stress-induced epigenetic changes can be maintained, providing plants with a pre-adapted state to recurring stresses. Understanding these epigenetic mechanisms offers valuable insights for developing crop varieties with enhanced stress tolerance. Here, we focus on abiotic stresses and summarize recent progress in characterizing stress-induced epigenetic changes and their regulatory mechanisms and roles in plant abiotic stress resistance.

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来源期刊
Journal of Genetics and Genomics
Journal of Genetics and Genomics 生物-生化与分子生物学
CiteScore
8.20
自引率
3.40%
发文量
4756
审稿时长
14 days
期刊介绍: The Journal of Genetics and Genomics (JGG, formerly known as Acta Genetica Sinica ) is an international journal publishing peer-reviewed articles of novel and significant discoveries in the fields of genetics and genomics. Topics of particular interest include but are not limited to molecular genetics, developmental genetics, cytogenetics, epigenetics, medical genetics, population and evolutionary genetics, genomics and functional genomics as well as bioinformatics and computational biology.
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