植物干旱胁迫的信号通路及相关转录因子研究进展
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福建省属公益类专项(2019R10313,2019R10312);


Signal Pathways and Related Transcription Factors of Drought Stress in Plants
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    摘要:

    植物对干旱环境的适应是一个复杂的生物学过程,涉及多条信号通路的交叉调控。其中,通过转录因子发挥的调控在植物的抗旱过程中起着至关重要的作用。目前参与植物干旱胁迫反应的转录因子主要有AP2/EREBP、MYB、NAC、bZIP和WRKY等。研究表明,单个转录因子可以激活或抑制大量下游靶基因的转录,而单一的靶基因又受到不同转录因子的调控,转录因子之间的串扰现象在植物干旱调控网络中普遍存在。该文总结了近年来国内外有关植物干旱胁迫响应中涉及的主要信号通路[ABA信号通路、Ca2+信号通路和促有丝裂原活化蛋白激酶(MAPKs)级联信号通路等],并对以上5种转录因子的结构特点、分类以及它们对干旱胁迫的调控作用进行综述,同时对今后的研究方向进行了展望。

    Abstract:

    Plant adaptation to drought environment is a complex biological process, involving cross regulation of multiple signal pathways, in which transcription factors play an important role in regulating resistance to drought. The main transcription factors involved in plant drought stress response are AP2/EREBP, MYB, NAC, bZIP and WRKY. Studies have shown that a single transcription factor can activate or inhibit the transcription of a large number of downstream target genes, and a single target gene is regulated by different transcription factors. The crosstalk between transcription factors is common in plant drought regulation network. This paper summarized the main signal pathways (ABA pathway, Ca2+ pathway and MAPKs pathway) involved in plant response to drought stress, and reviewed the structure and classifications of the above five transcription factors and their regulation of drought stress. Some deep research directions in this area were also put forward.

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王 彬,陈敏氡,林 亮,等.植物干旱胁迫的信号通路及相关转录因子研究进展[J].西北植物学报,2020,40(10):1792-1806

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  • 在线发布日期: 2020-11-13
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