Understanding cold stress response mechanisms in plants: an overview

被引:4
|
作者
Qian, Zhenfeng [1 ]
He, Lilian [1 ]
Li, Fusheng [1 ,2 ]
机构
[1] Yunnan Agr Univ, Coll Agron & Biotechnol, Kunming, Peoples R China
[2] Yunnan Agr Univ, Key Lab Crop Prod & Smart Agr Yunnan Prov, Kunming, Peoples R China
来源
关键词
cold stress; cold signal perception and transduction; ICE1-CBF-COR transcription cascade; ROS homeostasis; plant hormone signal; REGULATES FREEZING TOLERANCE; CAMTA TRANSCRIPTION FACTORS; ROS-PRODUCING ACTIVITY; ABSCISIC-ACID; SALICYLIC-ACID; CHILLING TOLERANCE; GENE-EXPRESSION; ENHANCES TOLERANCE; OXIDATIVE-STRESS; CBF PATHWAY;
D O I
10.3389/fpls.2024.1443317
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Low-temperature stress significantly impacts plant growth, development, yield, and geographical distribution. However, during the long-term process of evolution, plants have evolved complicated mechanisms to resist low-temperature stress. The cold tolerance trait is regulated by multiple pathways, such as the Ca2+ signaling cascade, mitogen-activated protein kinase (MAPK) cascade, inducer of CBF expression 1 (ICE1)-C-repeat binding factor (CBF)-cold-reulated gene (COR) transcriptional cascade, reactive oxygen species (ROS) homeostasis regulation, and plant hormone signaling. However, the specific responses of these pathways to cold stress and their interactions are not fully understood. This review summarizes the response mechanisms of plants to cold stress from four aspects, including cold signal perception and transduction, ICE1-CBF-COR transcription cascade regulation, ROS homeostasis regulation and plant hormone signal regulation. It also elucidates the mechanism of cold stress perception and Ca2+ signal transduction in plants, and proposes the important roles of transcription factors (TFs), post-translational modifications (PTMs), light signals, circadian clock factors, and interaction proteins in the ICE1-CBF-COR transcription cascade. Additionally, we analyze the importance of ROS homeostasis and plant hormone signaling pathways in plant cold stress response, and explore the cross interconnections among the ICE1-CBF-COR cascade, ROS homeostasis, and plant hormone signaling. This comprehensive review enhances our understanding of the mechanism of plant cold tolerance and provides a molecular basis for genetic strategies to improve plant cold tolerance.
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收藏
页数:16
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