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Functional mechanisms of WRKY transcription factors in regulating plant response to abiotic stresses / 生物工程学报
Chinese Journal of Biotechnology ; (12): 35-52, 2024.
Article in Chinese | WPRIM | ID: wpr-1008078
ABSTRACT
WRKYs is a unique family of transcription factors (TFs) in plants, and belongs to the typical multifunctional regulator. It is involved in the regulation of multiple signaling pathways. This type of transcription factor is characterized to contain about 60 highly conservative amino acids as the WRKY domain, and usually also has the Cys2His2 or Cys2His-Cys zinc finger structure. WRKYs can directly bind to the W-box sequence ((T)(T) TGAC (C/T)) in the promoter region of the downstream target gene, and activate or inhibit the transcription of the target genes by interacting with the target protein. They may up-regulate the expression of stress-related genes through integrating signal pathways mediated by abscisic acid (ABA) and reactive oxygen species (ROS), thus playing a vital role in regulating plant response to abiotic stresses. This review summarizes the advances in research on the structure and classification, regulatory approach of WRKYs, and the molecular mechanisms of WRKYs involved in response to drought and salt stresses, and prospects future research directions, with the aim to provide a theoretical support for the genetic improvement of crop in response to abiotic stresses.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Stress, Physiological / Transcription Factors / Abscisic Acid / Droughts / Amino Acids Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2024 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Stress, Physiological / Transcription Factors / Abscisic Acid / Droughts / Amino Acids Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2024 Type: Article