The BES1/BZR1 family transcription factor as critical regulator of plant stress resilience

IF 6.8 Q1 PLANT SCIENCES Plant Stress Pub Date : 2025-03-01 Epub Date: 2024-12-30 DOI:10.1016/j.stress.2024.100730

Long Li , Tingting Mu , Rongrong Zhang , Guobin Zhang , Jian Lyu , Zeci Liu , Shilei Luo , Jihua Yu

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Abstract

Brassinosteroids (BR) are ubiquitous polyhydroxylated steroid hormones in plants that play a pivotal role in orchestrating plant growth, development, and stress mitigation. The transcription factor BRI1 EMS SUPPRESSOR 1/BRASSINAZOLE RESISTANT 1 (BES1/BZR1) is central to BR signal transduction. Upon activation by the BR signal, BES1/BZR1 selectively associates with the E-box motif (CANNTG) or the BRRE element (CGTGTGT/CG) situated within the promoter region of downstream target genes, thereby tuning target gene expression. Beyond its involvement in BR signaling, BES1/BZR1 intricately participates in ethylene, abscisic acid, and other plant hormones, as well as light signal transduction pathways, synergistically governing plant growth, development, and stress resilience. This study reviews the ongoing research strides elucidating molecular mechanisms by which BES1/BZR1 modulates plant growth, development, and stress resistance through signal transduction. The insights will serve as valuable references for further exploration of the multifaceted functions of BZR.

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BES1/BZR1家族转录因子作为植物抗逆性的关键调控因子

油菜素内酯（Brassinosteroids， BR）是植物中普遍存在的多羟基类固醇激素，在调控植物生长发育和缓解逆境中起着关键作用。转录因子BRI1 EMS SUPPRESSOR 1/BRASSINAZOLE RESISTANT 1 （BES1/BZR1）是BR信号转导的核心。在BR信号激活后，BES1/BZR1选择性地与下游靶基因启动子区内的E-box基序（CANNTG）或BRRE元件（CGTGTGT/CG）结合，从而调控靶基因的表达。除了参与BR信号传导外，BES1/BZR1还复杂地参与乙烯、脱落酸等植物激素和光信号转导途径，协同控制植物的生长发育和逆境恢复能力。本文综述了BES1/BZR1基因通过信号转导调控植物生长发育和抗逆性的分子机制的研究进展。这些见解将为进一步探索BZR的多方面功能提供有价值的参考。

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来源期刊

Plant Stress PLANT SCIENCES-

CiteScore

5.20

自引率

8.00%

发文量

审稿时长

63 days

期刊介绍： The journal Plant Stress deals with plant (or other photoautotrophs, such as algae, cyanobacteria and lichens) responses to abiotic and biotic stress factors that can result in limited growth and productivity. Such responses can be analyzed and described at a physiological, biochemical and molecular level. Experimental approaches/technologies aiming to improve growth and productivity with a potential for downstream validation under stress conditions will also be considered. Both fundamental and applied research manuscripts are welcome, provided that clear mechanistic hypotheses are made and descriptive approaches are avoided. In addition, high-quality review articles will also be considered, provided they follow a critical approach and stimulate thought for future research avenues. Plant Stress welcomes high-quality manuscripts related (but not limited) to interactions between plants and: Lack of water (drought) and excess (flooding), Salinity stress, Elevated temperature and/or low temperature (chilling and freezing), Hypoxia and/or anoxia, Mineral nutrient excess and/or deficiency, Heavy metals and/or metalloids, Plant priming (chemical, biological, physiological, nanomaterial, biostimulant) approaches for improved stress protection, Viral, phytoplasma, bacterial and fungal plant-pathogen interactions. The journal welcomes basic and applied research articles, as well as review articles and short communications. All submitted manuscripts will be subject to a thorough peer-reviewing process.