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- Title
ICE-CBF-COR Signaling Cascade and Its Regulation in Plants Responding to Cold Stress.
- Authors
Hwarari, Delight; Guan, Yuanlin; Ahmad, Baseer; Movahedi, Ali; Min, Tian; Hao, Zhaodong; Lu, Ye; Chen, Jinhui; Yang, Liming
- Abstract
Cold stress limits plant geographical distribution and influences plant growth, development, and yields. Plants as sessile organisms have evolved complex biochemical and physiological mechanisms to adapt to cold stress. These mechanisms are regulated by a series of transcription factors and proteins for efficient cold stress acclimation. It has been established that the ICE-CBF-COR signaling pathway in plants regulates how plants acclimatize to cold stress. Cold stress is perceived by receptor proteins, triggering signal transduction, and Inducer of CBF Expression (ICE) genes are activated and regulated, consequently upregulating the transcription and expression of the C-repeat Binding Factor (CBF) genes. The CBF protein binds to the C-repeat/Dehydration Responsive Element (CRT/DRE), a homeopathic element of the Cold Regulated genes (COR gene) promoter, activating their transcription. Transcriptional regulations and post-translational modifications regulate and modify these entities at different response levels by altering their expression or activities in the signaling cascade. These activities then lead to efficient cold stress tolerance. This paper contains a concise summary of the ICE-CBF-COR pathway elucidating on the cross interconnections with other repressors, inhibitors, and activators to induce cold stress acclimation in plants.
- Subjects
PHYTOGEOGRAPHY; PHYSIOLOGY; PHYSIOLOGICAL effects of cold temperatures; SESSILE organisms; POST-translational modification; GENETIC transcription regulation
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 3, p1549
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms23031549