Epigenetic control of plant senescence and cell death and its application in crop improvement.

Epigenetic control of plant senescence and cell death and its application in crop improvement.
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DOI:
10.3389/fpls.2023.1258487
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发表时间:
2023
影响因子:
5.6
通讯作者:
--
中科院分区:
生物学2区
文献类型:
--
作者:

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植物衰老是植物发育的最后阶段,是一种程序性细胞死亡,发生在可预测的时间和细胞。它涉及从养分同化到养分再动员的功能转换,这对植物的结构和生物量、作物品质和园艺观赏性状产生重大影响。在过去的二十年里,DNA损伤被认为是细胞衰老的主要原因。越来越多的证据表明,表观遗传信息的改变是生物体细胞衰老的一个促成因素。本文从DNA甲基化、组蛋白甲基化和乙酰化、染色质重塑、非编码RNA和RNA甲基化等调控水平,综述了植物细胞衰老的表观遗传和表观转录机制的研究进展。此外,我们讨论了它们的分子遗传操作和潜在的应用在农业作物改良。最后对未来的研究课题进行了展望。
Plant senescence is the last stage of plant development and a type of programmed cell death, occurring at a predictable time and cell. It involves the functional conversion from nutrient assimilation to nutrient remobilization, which substantially impacts plant architecture and plant biomass, crop quality, and horticultural ornamental traits. In past two decades, DNA damage was believed to be a main reason for cell senescence. Increasing evidence suggests that the alteration of epigenetic information is a contributing factor to cell senescence in organisms. In this review, we summarize the current research progresses of epigenetic and epitranscriptional mechanism involved in cell senescence of plant, at the regulatory level of DNA methylation, histone methylation and acetylation, chromatin remodeling, non-coding RNAs and RNA methylation. Furthermore, we discuss their molecular genetic manipulation and potential application in agriculture for crop improvement. Finally we point out the prospects of future research topics.
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影响因子: 6.9
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