Beyond the genetic code in leaf senescence
文献类型: 外文期刊
第一作者: Yolcu, Seher
作者: Yolcu, Seher;Kim, Yun Ju;Li, Xiaojie;Li, Shengben
作者机构:
关键词: Epigenetic regulation;genetic reprogramming;histone modification;leaf senescence;senescence-associated genes;small RNAs
期刊名称:JOURNAL OF EXPERIMENTAL BOTANY ( 影响因子:6.992; 五年影响因子:7.86 )
ISSN: 0022-0957
年卷期: 2018 年 69 卷 4 期
页码:
收录情况: SCI
摘要: Leaf senescence is not only genetically programmed but also induced by exogenous stress to ensure completion of the plant life cycle, successful reproduction and environmental adaptability. Genetic reprogramming is a major aspect of leaf senescence, and the senescence signaling that follows is controlled by a complex regulatory network. Recent studies suggest that the activity of transcription factors together with epigenetic mechanisms ensures the robustness of this network, with the latter including chromatin remodeling, DNA modification, and RNA-mediated control of transcription factors and other senescence-associated genes. In this review, we provide an overview of the relevant epigenetic mechanisms and summarize recent findings of epigenetic regulators of plant leaf senescence involved in DNA methylation and histone modification along with the functions of small RNAs in this process.
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