The Magnaporthe oryzae effector Avr-PikD suppresses rice immunity by inhibiting an LSD1-like transcriptional activator
文献类型： 外文期刊
作者： Guo, Jiayuan 1 ; Wu, Yiling 4 ; Huang, Jianqiang 4 ; Yu, Kaihui 3 ; Chen, Meilian 1 ; Han, Yijuan 1 ; Zhong, Zhenhui 4 ; Lu, Guodong 4 ; Hong, Yonghe 2 ; Wang, Zonghua 1 ; Chen, Xiaofeng 1 ;
作者机构： 1.Minjiang Univ, Fujian Univ Engn Res Ctr Marine Biol & Drugs, Fuzhou Inst Oceanog, Coll Geog & Oceanog, Fuzhou 350108, Fujian, Peoples R China
2.Fujian Acad Agr Sci, Rice Res Inst, Fuzhou 350018, Fujian, Peoples R China
3.Minjiang Univ, Ministerial & Prov Joint Innovat Ctr Safety Prod C, Fuzhou 350108, Fujian, Peoples R China
4.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Ecol Pest Control Fujian & Taiwan Cr, Fuzhou 350002, Fujian, Peoples R China
关键词： Magnaporthe oryzae; Avirulence effector Avr-PikD; Effector-triggered susceptibility; Rice immunity; Transcriptional activator
期刊名称：CROP JOURNAL （ 影响因子：6.6； 五年影响因子：6.5 ）
ISSN： 2095-5421
年卷期： 2024 年 12 卷 2 期
页码：
收录情况： SCI
摘要： Avirulence effectors (Avrs), encoded by plant pathogens, can be recognized by plants harboring the corresponding resistance proteins, thereby initiating effector-triggered immunity (ETI). In susceptible plants, however, Avrs can function as effectors, facilitating infection via effector-triggered susceptibility (ETS). Mechanisms of Avr-mediated ETS remain largely unexplored. Here we report that the Magnaporthe oryzae effector Avr-PikD enters rice cells via the canonical cytoplasmic secretion pathway and suppresses rice basal defense. Avr-PikD interacts with an LSD1-like transcriptional activator AKIP30 of rice, and AKIP30 is also a positive regulator of rice immunity, whereas Avr-PikD impedes its nuclear localization and suppresses its transcriptional activity. In summary, M. oryzae delivers Avr-PikD into rice cells to facilitate ETS by inhibiting AKIP30-mediated transcriptional regulation of immune response against M. oryzae . (c) 2024 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NCND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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