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Cytokinins as central regulators during plant growth and stress response
Plant Cell Reports ( IF 6.2 ) Pub Date : 2020-10-06 , DOI: 10.1007/s00299-020-02612-1
Si-Min Li 1 , Hong-Xiang Zheng 1 , Xian-Sheng Zhang 2 , Na Sui 1
Affiliation  

Key message

Cytokinins are a class of phytohormone that participate in the regulation of the plant growth, development, and stress response. In this review, the potential regulating mechanism during plant growth and stress response are discussed.

Abstract

Cytokinins are a class of phytohormone that participate in the regulation of plant growth, physiological activities, and yield. Cytokinins also play a key role in response to abiotic stresses, such as drought, salt and high or low temperature. Through the signal transduction pathway, cytokinins interact with various transcription factors via a series of phosphorylation cascades to regulate cytokinin-target gene expression. In this review, we systematically summarize the biosynthesis and metabolism of cytokinins, cytokinin signaling, and associated gene regulation, and highlight the function of cytokinins during plant development and resistance to abiotic stress. We also focus on the importance of crosstalk between cytokinins and other classes of phytohormones, including auxin, ethylene, strigolactone, and gibberellin. Our aim is to provide a comprehensive overview of recent findings on the mechanisms by which cytokinins act as central regulators of plant development and stress reactions, and highlight topics for future research.



中文翻译:

细胞分裂素作为植物生长和应激反应中的中心调节剂

关键信息

细胞分裂素是一类参与植物生长、发育和应激反应调节的植物激素。在这篇综述中,讨论了植物生长和胁迫响应过程中的潜在调控机制。

抽象的

细胞分裂素是一类参与植物生长、生理活动和产量调节的植物激素。细胞分裂素在应对干旱、盐分和高温或低温等非生物胁迫方面也发挥着关键作用。通过信号转导途径,细胞分裂素通过一系列磷酸化级联反应与各种转录因子相互作用,调节细胞分裂素靶基因的表达。在这篇综述中,我们系统地总结了细胞分裂素的生物合成和代谢、细胞分裂素信号转导以及相关的基因调控,并重点介绍了细胞分裂素在植物发育和抗非生物胁迫中的作用。我们还关注细胞分裂素与其他类别的植物激素(包括生长素、乙烯、独脚金内酯和赤霉素)之间串扰的重要性。

更新日期:2020-10-07
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