"记忆或遗忘:早期植物胚胎表观遗传重编程和引物机制的启示"。

IF 8.3 2区 生物学 Q1 PLANT SCIENCES
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引用次数: 0

摘要

染色质在植物的整个生命周期中都会发生动态变化,以调节基因表达,对环境和发育线索做出响应。虽然这种表观遗传信息可以在植物中跨代遗传,但调控基因表达的染色质特征通常是在植物配子发生过程中和受精后直接重编程的。不过,环境诱导的基因表观遗传标记可以跨代传递。此外,安装在早期胚胎染色质上的表观遗传信息可在随后的生长过程中稳定遗传,并影响植物在发育后期对环境条件的反应。在此,我们回顾了最近在破译植物早期胚胎发生过程中表观遗传重编程和转录起始机制方面取得的突破。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
“To remember or forget: Insights into the mechanisms of epigenetic reprogramming and priming in early plant embryos”

Chromatin is dynamically modified throughout the plant life cycle to regulate gene expression in response to environmental and developmental cues. Although such epigenetic information can be inherited across generations in plants, chromatin features that regulate gene expression are typically reprogrammed during plant gametogenesis and directly after fertilization. Nevertheless, environmentally induced epigenetic marks on genes can be transmitted across generations. Moreover, epigenetic information installed on early embryonic chromatin can be stably inherited during subsequent growth and influence how plants respond to environmental conditions much later in development. Here, we review recent breakthroughs towards deciphering mechanisms underlying epigenetic reprogramming and transcriptional priming during early plant embryogenesis.

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来源期刊
Current opinion in plant biology
Current opinion in plant biology 生物-植物科学
CiteScore
16.30
自引率
3.20%
发文量
131
审稿时长
6-12 weeks
期刊介绍: Current Opinion in Plant Biology builds on Elsevier's reputation for excellence in scientific publishing and long-standing commitment to communicating high quality reproducible research. It is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy - of editorial excellence, high-impact, and global reach - to ensure they are a widely read resource that is integral to scientists' workflow.
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