MoSey1 regulates the unfolded protein response, appressorium development, and pathogenicity of Magnaporthe oryzae
文献类型： 外文期刊
作者： Yang, Zifeng 1 ; Li, Meiqin 1 ; Huang, Linwan 1 ; Chen, Xinru 1 ; Weng, Shuning 1 ; Jules, Biregeya 1 ; Felix, Abah 1 ; Zheng, Huakun 1 ; Chen, Xiaofeng 1 ; Zhang, Jun 1 ; Wang, Zonghua 1 ; Cai, Yingying 4 ; Liang, Jingang 5 ; Tang, Wei 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Ecol Pest Control Fujian & Taiwan Cr, Fuzhou 350002, Peoples R China
2.Agr & Rural Bur Wangjiang Cty, Modern Agr Ind Pk Serv Ctr, Anqing 246200, Anhui, Peoples R China
3.Minjiang Univ, Inst Oceanog, Marine & Agr Biotechnol Lab, Fuzhou 350108, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
5.Minist Agr & Rural Affairs, Dev Ctr Sci & Technol, Beijing 100176, Peoples R China
关键词： Endoplasmic reticulum; Magnaporthe oryzae; Pathogenicity; Protein secretion; MoSey1
期刊名称：PHYTOPATHOLOGY RESEARCH （ 影响因子：3.2； 五年影响因子：3.7 ）
ISSN： 2096-5362
年卷期： 2024 年 6 卷 1 期
页码：
收录情况： SCI
摘要： Endoplasmic reticulum (ER) is an enclosed three-dimensional eukaryotic membrane network composed of flattened sacs. Fusion of homologous membranes to the ER membrane is essential for the maintenance of this network structure. In yeast, ER membrane fusion is mediated by Sey1p, whose paralogues function distinctly in different species. In this study, we investigated the biological functions of MoSEY1 in the devastating rice blast fungus Magnaporthe oryzae by functional genomic approach. Compared to wild type, deletion of MoSEY1 considerably decreased the growth and conidia production of M. oryzae. Additionally, the absence of MoSEY1 delayed appressorium formation and invasive hyphae growth. The appressorium function was also impaired in Delta Mosey1 mutant. Subcellular localization analysis revealed that MoSey1 is localized at the ER. The Delta Mosey1 mutant showed augmented sensitivity to ER stress. Additionally, we found that MoSey1 regulated the unfolded protein response, autophagy, and protein secretion in M. oryzae. In conclusion, our study unveiled the involvement of MoSey1 in the development, pathogenesis, and ER functions in M. oryzae.
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