文献类型： 外文期刊
作者： Ding, Zhong Jie 1 ; Xu, Chen 1 ; Yan, Jing Ying 3 ; Wang, Yu Xuan 1 ; Cui, Meng Qi 1 ; Yuan, Jun Jie 1 ; Wang, Ya Nan 1 ; Li, Gui Xin 4 ; Wu, Jian Xiang 4 ; Wu, Yun Rong 1 ; Xu, Ji Ming 1 ; Li, Chun Xiao 1 ; Shi, Yuan Zhi 5 ; Mao, Chuan Zao 1 ; Guo, Jiang Tao 6 ; Zhou, Jian Min 7 ; Benhamed, Moussa 9 ; Harberd, Nicholas P. 1 ; Zheng, Shao Jian 1 ;
作者机构： 1.Zhejiang Univ, Coll Life Sci, State Key Lab Plant Environm Resilience, Hangzhou, Zhejiang, Peoples R China
2.South China Agr Univ, Coll Nat Resources & Environm, Guangdong Lab Lingnan Modern Agr, Guangzhou, Guangdong, Peoples R China
3.Zhejiang Univ, Agr Expt Stn, Hangzhou, Zhejiang, Peoples R China
4.Zhejiang Univ, Inst Biotechnol, State Key Lab Rice Biol, Hangzhou, Zhejiang, Peoples R China
5.Chinese Acad Agr Sci, Tea Res Inst, Hangzhou, Zhejiang, Peoples R China
6.Zhejiang Univ, Med Sch, Hangzhou, Zhejiang, Peoples R China
7.Chinese Acad Sci, Ctr Genome Biol, Beijing, Peoples R China
8.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing, Peoples R China
9.Univ Paris Saclay, CNRS, INRAE, Univ Evry,Inst Plant Sci Paris Saclay IPS2, Orsay, France
10.Univ Oxford, Dept Biol, Oxford, England
11.Zhejiang A&F Univ, Inst Ecol Civilizat, Hangzhou, Zhejiang, Peoples R China
期刊名称：CELL RESEARCH （ 影响因子：44.1； 五年影响因子：39.3 ）
ISSN： 1001-0602
年卷期： 2024 年 34 卷 4 期
页码：
收录情况： SCI
摘要： Plant survival requires an ability to adapt to differing concentrations of nutrient and toxic soil ions, yet ion sensors and associated signaling pathways are mostly unknown. Aluminum (Al) ions are highly phytotoxic, and cause severe crop yield loss and forest decline on acidic soils which represent similar to 30% of land areas worldwide. Here we found an Arabidopsis mutant hypersensitive to Al. The gene encoding a leucine-rich-repeat receptor-like kinase, was named Al Resistance1 (ALR1). Al ions binding to ALR1 cytoplasmic domain recruits BAK1 co-receptor kinase and promotes ALR1-dependent phosphorylation of the NADPH oxidase RbohD, thereby enhancing reactive oxygen species (ROS) generation. ROS in turn oxidatively modify the RAE1 F-box protein to inhibit RAE1-dependent proteolysis of the central regulator STOP1, thus activating organic acid anion secretion to detoxify Al. These findings establish ALR1 as an Al ion receptor that confers resistance through an integrated Al-triggered signaling pathway, providing novel insights into ion-sensing mechanisms in living organisms, and enabling future molecular breeding of acid-soil-tolerant crops and trees, with huge potential for enhancing both global food security and forest restoration.
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