MdLRR-RLK1-MdATG3模块通过自噬增强苹果对非生物胁迫的抗性

IF 6.2 1区 生物学 Q1 PLANT SCIENCES
Wenjun Chen, Wei Guo, Chao Zhang, Yi Zhao, Yingying Lei, Cui Chen, Ziwen Wei, Hongyan Dai
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引用次数: 0

摘要

苹果是受盐、干旱等非生物胁迫影响的重要经济树种。LRR-RLKs在植物对胁迫的反应中起着关键作用,尽管它们在非生物胁迫下的生理功能尚不完全清楚。自噬在真核生物中是一个高度保守的过程,在干旱和盐胁迫反应中起着至关重要的作用。在本研究中,苹果过表达MdLRR-RLK1促进了植株生长发育,提高了耐盐性和抗旱性。MdLRR-RLK1在体内和体外与MdATG3相互作用,MdATG3泛素化并降解MdLRR-RLK1。有趣的是,MdLRR-RLK1和MdATG3通过增加自噬来增强耐盐性和耐旱性。此外,在apple中,MdATG3与MdATG8F和mdatg8i类似。这些发现揭示了MdLRR-RLK1和MdATG3之间的相互作用,提示了调节苹果生长和抵抗非生物胁迫的机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
MdLRR-RLK1-MdATG3 module enhances the resistance of apples to abiotic stress via autophagy

Apple is an important economic species affected by abiotic stress, such as salt and drought. LRR-RLKs play a key role in plant responses to stress, although their physiological functions under abiotic stress are not yet fully understood. Autophagy is a highly conserved process in eukaryotes, which plays a vital role in drought and salt stress responses. In this study, overexpression of MdLRR-RLK1 in apple promoted plant growth and development and increased salt and drought stress tolerance. MdLRR-RLK1 interacts with MdATG3 in vivo and in vitro, and MdATG3 ubiquitinates and degrades MdLRR-RLK1. Intriguingly, MdLRR-RLK1 and MdATG3 enhance salt and drought tolerance through increasing autophagy. Moreover, MdATG3 interacts with MdATG8F and MdATG8I-like in apple. These findings reveal the interaction between MdLRR-RLK1 and MdATG3, suggesting mechanisms that regulate apple growth and resistance to abiotic stress.

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来源期刊
The Plant Journal
The Plant Journal 生物-植物科学
CiteScore
13.10
自引率
4.20%
发文量
415
审稿时长
2.3 months
期刊介绍: Publishing the best original research papers in all key areas of modern plant biology from the world"s leading laboratories, The Plant Journal provides a dynamic forum for this ever growing international research community. Plant science research is now at the forefront of research in the biological sciences, with breakthroughs in our understanding of fundamental processes in plants matching those in other organisms. The impact of molecular genetics and the availability of model and crop species can be seen in all aspects of plant biology. For publication in The Plant Journal the research must provide a highly significant new contribution to our understanding of plants and be of general interest to the plant science community.
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