The nucleolin MoNsr1 plays pleiotropic roles in the pathogenicity and stress adaptation in the rice blast fungus Magnaporthe oryzae
文献类型： 外文期刊
作者： Zhang, Zhen 1 ; Islam, Mohammad Shafiqul 1 ; Xia, Jiuzhi 1 ; Feng, Xiangyang 1 ; Noman, Muhammad 1 ; Wang, Jing 1 ; Hao, Zhongna 1 ; Qiu, Haiping 1 ; Chai, Rongyao 1 ; Cai, Yingying 1 ; Wang, Yanli 1 ; Wang, Jiaoyu 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Threats Qual &, Key Lab Biotechnol Plant Protect MARA & Zhejiang P, Hangzhou, Peoples R China
2.Zhejiang Univ, Inst Biotechnol, Key Lab Mol Biol Crop Pathogens & Insects MARA, State Key Lab Rice Biol & Breeding,Key Lab Biol Cr, Hangzhou, Peoples R China
关键词：
cell wall integrity;
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： The rice blast disease, caused by the fungus Magnaporthe oryzae, is a significant agricultural problem that adversely impacts rice production and food security. Understanding the precise molecular pathways involved in the interaction between the pathogen and its host is crucial for developing effective disease management strategies. This study examines the crucial function of the nucleolin MoNsr1 in regulating M. oryzae physiological functions. Delta MoNsr1 deletion mutants showed reduced fungal growth, asexual sporulation, and pathogenicity compared to the wild-type. Mutants exhibited impaired conidial germination and appressoria formation, reducing infection progression. Additionally, Delta MoNsr1 deletion mutant had less turgor pressure, confirming that MoNsr1 is essential for cell wall biogenesis and resistant to external stresses. Furthermore, Delta MoNsr1 deletion mutant showed enhanced sensitivity to oxidative stress, reactive oxygen species, and cold tolerance. Our results offer a thorough understanding of the function of MoNsr1 in the virulence and stress-resilient capability in M. oryzae. These findings provide insights into the novel targets and contribute to the emergence of innovative approaches for managing rice blast disease.
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