SOS2-AFP2 module regulates seed germination by inducing ABI5 degradation in response to salt stress in Arabidopsis

doi:10.1016/j.bbrc.2024.150190

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	SOS2-AFP2 module regulates seed germination by inducing ABI5 degradation in response to salt stress in Arabidopsis
	Wang, Chuntao; Wen, Jing; Liu, Yuanyuan; Yu, Buzhu; Yang, Shuda
	2024
发表期刊	BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
ISSN	0006-291X
卷号	723 页码:150190
摘要	Soil salinity pose a significant challenge to global agriculture, threatening crop yields and food security. Understanding the salt tolerance mechanisms of plants is crucial for improving their survival under salt stress. AFP2, a negative regulator of ABA signaling, has been shown to play a crucial role in salt stress tolerance during seed germination. Mutations in AFP2 gene lead to increased sensitivity to salt stress. However, the underline mechanisms by which AFP2 regulates seed germination under salt stress remain elusive. In this study, we identified a protein interaction between AFP2 and SOS2, a Ser/Thr protein kinase known to play a critical role in salt stress response. Using a combination of genetic, biochemical, and physiological approaches, we investigated the role of the SOS2-AFP2 module in regulating seed germination under salt stress. Our findings reveal that SOS2 physically interacts with AFP2 and stabilizes it, leading to the degradation of the ABI5 protein, a negative transcription factor in seed germination under salt stress. This study sheds light on previously unknown connections within salt stress and ABA signaling, paving the way for novel strategies to enhance plant resilience against environmental challenges.
DOI	10.1016/j.bbrc.2024.150190
WOS记录号	WOS:001249876700001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76331
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Wang, Chuntao,Wen, Jing,Liu, Yuanyuan,et al. SOS2-AFP2 module regulates seed germination by inducing ABI5 degradation in response to salt stress in Arabidopsis[J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,2024,723:150190.
APA	Wang, Chuntao,Wen, Jing,Liu, Yuanyuan,Yu, Buzhu,&Yang, Shuda.(2024).SOS2-AFP2 module regulates seed germination by inducing ABI5 degradation in response to salt stress in Arabidopsis.BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,723,150190.
MLA	Wang, Chuntao,et al."SOS2-AFP2 module regulates seed germination by inducing ABI5 degradation in response to salt stress in Arabidopsis".BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS 723(2024):150190.

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