Research Progress in Light Signal and Circadian Rhythm Regulating the Perception of Plants to Cold Stress

doi:10.13560/j.cnki.biotech.bull.1985.2024-0234

Abstract

Abstract:

Temperature and light are important environmental factors in regulating plant growth and development, and plants perceive temperature changes and respond to cold stress by altering gene expression patterns and other responses. The responses are affected by light signal and circadian rhythms. However, the molecular regulatory networks involved in plant response to cold stress are not well understood. This review focuses the roles of light signal and circadian rhythms in the perception of plants to cold stress. Light signal is involved in cold stress mainly through photopigment-induced CBF gene pathways to activate the expressions of cold genes. It includes two main pathways: one is that photosensitive pigments directly regulate cold tolerance by modulating CBF and COR gene expression; the other is the activation of COR（COLD REGULATED）genes by HY5, a positive regulator factor. Circadian rhythms are involved in cold stress mainly through their components, CCA1/LHY and RVE4/RVE8, regulating the expression of DREB1 downstream gene. Clarifying the roles of light signal and circadian rhythms in cold perception and conduction pathways not only contributes to a better understanding of the mechanisms of cold resistance in plants, but also helps in the trade-offs between plant growth and stress responses. It provides a theoretical basis for enhancing the response sensitivities of plants to diurnal and nocturnal temperature variations.

Key words: cold perception, cold resistance genes, light signal, circadian rhythm

LI Wen-cui, PENG Yu-jia, LIU Yong-bo. Research Progress in Light Signal and Circadian Rhythm Regulating the Perception of Plants to Cold Stress[J]. Biotechnology Bulletin, 2024, 40(8): 1-12.

Figures/Tables 2

References 131

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基因/蛋白 Genes/Proteins	调控机制 Regulation mechanisms	物种 Species	参考文献 Reference
光敏色素A（phyA）Phytochrome A	远红光激活phyA诱导ABA信号传导，触发JA信号传导，激活CBF途径	拟南芥Arabidopsis thaliana 番茄S. lycopersicum	[46] [47]
光敏色素B（phyB）Phytochrome B	phyB与PIF4和PIF7相互作用，负调控CBF表达和冷冻耐受性	拟南芥A. thaliana 番茄S. lycopersicum 水稻Oryza sativa	[36] [35] [48]
光敏色素D（phyD）Phytochrome D	介导CBF调控的表达，phyD突变体耐冷性增加	拟南芥A. thaliana	[25]
向光素（PHOTs）Phototropins	蓝光传感器，在蓝光光激发时自磷酸化，激活C-末端激酶结构域，调控其他蛋白质	地钱 Marchantia polymorpha	[49]
F-box 蛋白 Zeitlupe（ZTL）Zeitlupe	ZTL属于LOV结构域光感受器，与热休克伴侣蛋白HSP 90相互作用从而正调控CBF表达	拟南芥A. thaliana	[27]
隐花色素1（CRY1）Cryptochrome 1	蓝光下CRY1对温度响应对下胚轴伸长具有强烈的抑制作用，同时也抑制PIF4的转录	拟南芥A. thaliana	[50]
隐花色素2（CRY1）Cryptochrome 2	CRY2-COP1相互作用减弱COP1与HY5的相互作用，从而增强HY5在冷胁迫下的光稳定性	拟南芥A. thaliana 水稻O. sativa	[51] [52]
UVR8感受器（UVR8） UV resistance locus 8	UVR8单体通过降低PIF4表达水平和抑制PIF4蛋白的转录活性来抑制下胚轴伸长	拟南芥A. thaliana	[53]
光敏色素相互作用因子3（PIF3） Phytochrome interacting factor 3	抑制CBF表达负调控抗冷性	拟南芥A. thaliana	[54]
光敏色素相互作用因子4（PIF4） Phytochrome interacting factor 4	长日照下，PIF4和PIF7与CBF基因启动子结合抑制其表达	拟南芥A. thaliana 番茄S. lycopersicum	[55] [56]
光敏色素相互作用因子7（PIF7） Phytochrome interacting factor 7	长日照下，PIF4和PIF7与CBF基因启动子结合抑制其表达	拟南芥A. thaliana	[57]
昼夜节律核心蛋白（CCA1） Circadian clock-associated 1	CCA1与CBF启动子结合，通过选择性剪接机制增强冷适应	拟南芥A. thaliana	[29] [58]
昼夜节律核心蛋白（LHY） Late elongated hypocotyl	正调控CBFs及其下游COR基因的表达和植物的抗冷性	拟南芥A. thaliana 草莓Fragaria×ananassa 茶树Camellia sinensis	[31] [59] [30]
伪应答调控蛋白5/7/9（PRR5/7/9） Pseudo response regulator 5/7/9	CBF途径的负调控因子	拟南芥A. thaliana	[60]
昼夜节律因子（TOC1） Timing of cab expression	与CBF2转录阻遏物的phyB一起发挥作用	拟南芥A. thaliana	[61]
伸长下胚轴5（HY5） Elongated hypocotyl 5	HY5通过Z-box/LTRE正向调控冷诱导基因表达	拟南芥A. thaliana 番茄S. lycopersicum 油菜 Brassica napus	[62] [63] [43]
核心时钟蛋白（GI）Gigantea	通过CBF非依赖性途径正调控抗冷性	拟南芥A. thaliana	[64]
生物钟核心基因（LUX）Lux arrhythmo	LUX被CBF1正调控，表达上调，正向调控植物抗冷性	拟南芥A. thaliana	[65]
生物钟组分RVE4/RVE8	RVE4/RVE8迅速从细胞质转移到细胞核中的冷应激反应，并作为DREB 1表达的直接转录激活因子	拟南芥A. thaliana	[66]
生物钟组分LNK1/2	LNK1/2是转录辅激活因子，与RVE4和RVE8相互作用	拟南芥A. thaliana	[67]

基因/蛋白 Genes/Proteins	调控机制 Regulation mechanisms	物种 Species	参考文献 Reference
光敏色素A（phyA）Phytochrome A	远红光激活phyA诱导ABA信号传导，触发JA信号传导，激活CBF途径	拟南芥Arabidopsis thaliana 番茄S. lycopersicum	[46] [47]
光敏色素B（phyB）Phytochrome B	phyB与PIF4和PIF7相互作用，负调控CBF表达和冷冻耐受性	拟南芥A. thaliana 番茄S. lycopersicum 水稻Oryza sativa	[36] [35] [48]
光敏色素D（phyD）Phytochrome D	介导CBF调控的表达，phyD突变体耐冷性增加	拟南芥A. thaliana	[25]
向光素（PHOTs）Phototropins	蓝光传感器，在蓝光光激发时自磷酸化，激活C-末端激酶结构域，调控其他蛋白质	地钱 Marchantia polymorpha	[49]
F-box 蛋白 Zeitlupe（ZTL）Zeitlupe	ZTL属于LOV结构域光感受器，与热休克伴侣蛋白HSP 90相互作用从而正调控CBF表达	拟南芥A. thaliana	[27]
隐花色素1（CRY1）Cryptochrome 1	蓝光下CRY1对温度响应对下胚轴伸长具有强烈的抑制作用，同时也抑制PIF4的转录	拟南芥A. thaliana	[50]
隐花色素2（CRY1）Cryptochrome 2	CRY2-COP1相互作用减弱COP1与HY5的相互作用，从而增强HY5在冷胁迫下的光稳定性	拟南芥A. thaliana 水稻O. sativa	[51] [52]
UVR8感受器（UVR8） UV resistance locus 8	UVR8单体通过降低PIF4表达水平和抑制PIF4蛋白的转录活性来抑制下胚轴伸长	拟南芥A. thaliana	[53]
光敏色素相互作用因子3（PIF3） Phytochrome interacting factor 3	抑制CBF表达负调控抗冷性	拟南芥A. thaliana	[54]
光敏色素相互作用因子4（PIF4） Phytochrome interacting factor 4	长日照下，PIF4和PIF7与CBF基因启动子结合抑制其表达	拟南芥A. thaliana 番茄S. lycopersicum	[55] [56]
光敏色素相互作用因子7（PIF7） Phytochrome interacting factor 7	长日照下，PIF4和PIF7与CBF基因启动子结合抑制其表达	拟南芥A. thaliana	[57]
昼夜节律核心蛋白（CCA1） Circadian clock-associated 1	CCA1与CBF启动子结合，通过选择性剪接机制增强冷适应	拟南芥A. thaliana	[29] [58]
昼夜节律核心蛋白（LHY） Late elongated hypocotyl	正调控CBFs及其下游COR基因的表达和植物的抗冷性	拟南芥A. thaliana 草莓Fragaria×ananassa 茶树Camellia sinensis	[31] [59] [30]
伪应答调控蛋白5/7/9（PRR5/7/9） Pseudo response regulator 5/7/9	CBF途径的负调控因子	拟南芥A. thaliana	[60]
昼夜节律因子（TOC1） Timing of cab expression	与CBF2转录阻遏物的phyB一起发挥作用	拟南芥A. thaliana	[61]
伸长下胚轴5（HY5） Elongated hypocotyl 5	HY5通过Z-box/LTRE正向调控冷诱导基因表达	拟南芥A. thaliana 番茄S. lycopersicum 油菜 Brassica napus	[62] [63] [43]
核心时钟蛋白（GI）Gigantea	通过CBF非依赖性途径正调控抗冷性	拟南芥A. thaliana	[64]
生物钟核心基因（LUX）Lux arrhythmo	LUX被CBF1正调控，表达上调，正向调控植物抗冷性	拟南芥A. thaliana	[65]
生物钟组分RVE4/RVE8	RVE4/RVE8迅速从细胞质转移到细胞核中的冷应激反应，并作为DREB 1表达的直接转录激活因子	拟南芥A. thaliana	[66]
生物钟组分LNK1/2	LNK1/2是转录辅激活因子，与RVE4和RVE8相互作用	拟南芥A. thaliana	[67]