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The roles of Magnaporthe oryzae avirulence effectors involved in blast resistance/susceptibility

文献类型： 外文期刊

作者： Liu, Xin 1 ; Hu, Xiaochun 1 ; Tu, Zhouyi 1 ; Sun, Zhenbiao 1 ; Qin, Peng 1 ; Liu, Yikang 1 ; Chen, Xinwei 1 ; Li, Zhiqiang 5 ; Jiang, Nan 1 ; Yang, Yuanzhu 1 ;

作者机构： 1.Yuan Longping High Tech Agr Co Ltd, Minist Agr & Rural Affairs, Key Lab Southern Rice Innovat & Improvement, Changsha, Peoples R China

2.Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha, Hunan, Peoples R China

3.Yuelushan Lab, Changsha, Peoples R China

4.Hunan Normal Univ, Coll Life Sci, Changsha, Hunan, Peoples R China

5.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing, Peoples R China

关键词： rice; blast disease; Magnaporthe oryzae; AVR effector; R protein; resistance

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）

ISSN： 1664-462X

年卷期： 2024 年 15 卷

页码：

收录情况： SCI

摘要： Phytopathogens represent an ongoing threat to crop production and a significant impediment to global food security. During the infection process, these pathogens spatiotemporally deploy a large array of effectors to sabotage host defense machinery and/or manipulate cellular pathways, thereby facilitating colonization and infection. However, besides their pivotal roles in pathogenesis, certain effectors, known as avirulence (AVR) effectors, can be directly or indirectly perceived by plant resistance (R) proteins, leading to race-specific resistance. An in-depth understanding of the intricate AVR-R interactions is instrumental for genetic improvement of crops and safeguarding them from diseases. Magnaporthe oryzae (M. oryzae), the causative agent of rice blast disease, is an exceptionally virulent and devastating fungal pathogen that induces blast disease on over 50 monocot plant species, including economically important crops. Rice-M. oryzae pathosystem serves as a prime model for functional dissection of AVR effectors and their interactions with R proteins and other target proteins in rice due to its scientific advantages and economic importance. Significant progress has been made in elucidating the potential roles of AVR effectors in the interaction between rice and M. oryzae over the past two decades. This review comprehensively discusses recent advancements in the field of M. oryzae AVR effectors, with a specific focus on their multifaceted roles through interactions with corresponding R/target proteins in rice during infection. Furthermore, we deliberated on the emerging strategies for engineering R proteins by leveraging the structural insights gained from M. oryzae AVR effectors.

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