Light, chromatin, action: nuclear events regulating light signaling in Arabidopsis.

Light, chromatin, action: nuclear events regulating light signaling in Arabidopsis.
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DOI:
10.1111/nph.18424
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发表时间:
2022-10
期刊:
影响因子:
9.4
通讯作者:
Kaiserli, Eirini
Kaiserli, Eirini
中科院分区:
生物学1区
文献类型:
--
作者:
Patitaki, Eirini;Schivre, Geoffrey;Zioutopoulou, Anna;Perrella, Giorgio;Bourbousse, Clara;Barneche, Fredy;Kaiserli, Eirini

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植物细胞核在染色质水平上为环境信号整合提供了一个主要的枢纽。多种光信号通路通过调节大量的基因靶来运作和交换信息,这些基因靶塑造了植物对不断变化的环境的反应。除了转录因子在触发基因表达的光调节变化中的既定作用外,还有关于染色质调节剂和核支架动力学在促进光诱导的植物反应中的重要性的杰出报道。在这里,我们报告并讨论了染色质调节机制的最新进展,调节植物结构和发育对光的反应,包括关键修饰的分子和生理作用,如DNA,RNA和组蛋白甲基化,和/或乙酰化。本文讨论了形成光信号组分的生物分子缩合物的重要性,并概述了其在农业实践中的潜在应用。
The plant nucleus provides a major hub for environmental signal integration at the chromatin level. Multiple light signaling pathways operate and exchange information by regulating a large repertoire of gene targets that shape plant responses to a changing environment. In addition to the established role of transcription factors in triggering photoregulated changes in gene expression, there are eminent reports on the significance of chromatin regulators and nuclear scaffold dynamics in promoting light‐induced plant responses. Here, we report and discuss recent advances in chromatin‐regulatory mechanisms modulating plant architecture and development in response to light, including the molecular and physiological roles of key modifications such as DNA, RNA and histone methylation, and/or acetylation. The significance of the formation of biomolecular condensates of key light signaling components is discussed and potential applications to agricultural practices overviewed.
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发表时间: 2016-12
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