MG1 interacts with a protease inhibitor and confers resistance to rice root-knot nematode
文献类型: 外文期刊
第一作者: Wang, Xiaomin
作者: Wang, Xiaomin;Cheng, Rui;Xu, Daochao;Jin, Liang;Guo, Xiaoli;Huang, Renliang;Li, Haoxing;Wu, Yufeng;Tang, Jiuyou;Chu, Chengcai;Sun, Changhui;Peng, Deliang
作者机构:
期刊名称:NATURE COMMUNICATIONS ( 影响因子:16.6; 五年影响因子:17.0 )
ISSN:
年卷期: 2023 年 14 卷 1 期
页码:
收录情况: SCI
摘要: The rice root-knot nematode (Meloidogyne graminicola) is one of the most destructive pests threatening rice (Oryza sativa L.) production in Asia; however, no rice resistance genes have been cloned. Here, we demonstrate that M. GRAMINICOLA-RESISTANCE GENE 1 (MG1), an R gene highly expressed at the site of nematode invasion, determines resistance against the nematode in several rice varieties. Introgressing MG1 into susceptible varieties increases resistance comparable to resistant varieties, for which the leucine-rich repeat domain is critical for recognizing root-knot nematode invasion. We also report transcriptome and cytological changes that are correlated with a rapid and robust response during the incompatible interaction that occurs in resistant rice upon nematode invasion. Furthermore, we identified a putative protease inhibitor that directly interacts with MG1 during MG1-mediated resistance. Our findings provide insight into the molecular basis of nematode resistance as well as valuable resources for developing rice varieties with improved nematode resistance.
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