植物发育过程中的表观遗传调控与表观遗传记忆能力。

IF 21.3 1区 生物学 Q1 PLANT SCIENCES Annual review of plant biology Pub Date : 2023-05-22 DOI:10.1146/annurev-arplant-070122-025047
Elizabeth A Hemenway, Mary Gehring
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引用次数: 2

摘要

表观遗传修饰的建立、维持和去除为植物控制发育过程和适应环境提供了除遗传编码因子之外的另一层调控。表观遗传,虽然历史上指的是没有在DNA序列中编码的信息在代与代之间遗传,但也可以指在个体内保持但在代与代之间重置的表观遗传修饰。这两种类型的表观遗传都发生在植物中,区分这两种类型的功能和机制引起了该领域的极大兴趣。在这里,我们讨论了表观遗传动力学和维持在生长和发育的选择阶段及其功能后果的例子。表观遗传状态在应激反应中也是动态的,具有转座因子调控的后果。在正常发育和应激反应中,代际间的表观遗传重置是如何发生的是一个新兴的研究领域。
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Epigenetic Regulation During Plant Development and the Capacity for Epigenetic Memory.

The establishment, maintenance, and removal of epigenetic modifications provide an additional layer of regulation, beyond genetically encoded factors, by which plants can control developmental processes and adapt to the environment. Epigenetic inheritance, while historically referring to information not encoded in the DNA sequence that is inherited between generations, can also refer to epigenetic modifications that are maintained within an individual but are reset between generations. Both types of epigenetic inheritance occur in plants, and the functions and mechanisms distinguishing the two are of great interest to the field. Here, we discuss examples of epigenetic dynamics and maintenance during selected stages of growth and development and their functional consequences. Epigenetic states are also dynamic in response to stress, with consequences for transposable element regulation. How epigenetic resetting between generations occurs during normal development and in response to stress is an emerging area of research.

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来源期刊
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
期刊最新文献
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