College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.
College of Forestry, Nanjing Forestry University, Nanjing 210037, China.
Int J Mol Sci. 2022 Jan 28;23(3):1549. doi: 10.3390/ijms23031549.
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 signaling pathway in plants regulates how plants acclimatize to cold stress. Cold stress is perceived by receptor proteins, triggering signal transduction, and () genes are activated and regulated, consequently upregulating the transcription and expression of the () genes. The protein binds to the (), a homeopathic element of the genes ( 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 pathway elucidating on the cross interconnections with other repressors, inhibitors, and activators to induce cold stress acclimation in plants.
冷胁迫限制了植物的地理分布并影响植物的生长、发育和产量。作为固着生物的植物已经进化出复杂的生化和生理机制来适应冷胁迫。这些机制受到一系列转录因子和蛋白质的调节，以实现有效的冷胁迫适应。已经确定植物中的信号通路调节植物如何适应冷胁迫。冷胁迫被受体蛋白感知，触发信号转导，()基因被激活和调节，从而上调()基因的转录和表达。()蛋白与()结合，这是()基因启动子的同源元件，激活它们的转录。转录调节和翻译后修饰通过改变信号级联中的表达或活性，在不同的反应水平上调节和修饰这些物质。这些活动继而导致植物有效耐受冷胁迫。本文简要总结了冷信号通路，阐明了与其他抑制剂、激活剂的交叉联系，以诱导植物适应冷胁迫。
