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MoPer1 is required for growth, conidiogenesis, and pathogenicity in Magnaporthe oryzae

文献类型： 外文期刊

作者： Chen, Yue 2 ; Wu, Xiyang 1 ; Li, Chenggang 1 ; Zeng, Yibo 1 ; Tan, Xinqiu 1 ; Zhang, Deyong 1 ; Liu, Yong 1 ;

作者机构： 1.Hunan Acad Agr Sci, Inst Plant Protect, Changsha 410125, Hunan, Peoples R China

2.Hunan Univ, Grad Sch, Long Ping Branch, Changsha 410125, Hunan, Peoples R China

3.Hunan Univ, Grad Sch, Long Ping Branch, Changsha 410

关键词： MoPer1; Growth; Conidiogenesis; Pathogenicity

期刊名称：RICE （ 影响因子：4.783； 五年影响因子：5.23 ）

ISSN： 1939-8425

年卷期： 2018 年 11 卷

页码：

收录情况： SCI

摘要： BackgroundGPI-anchoring is a prevalent Glycosylphosphatidylinositol modification process of posttranslational protein and is necessary for cell wall integrity in eukaryotes. To date, the function of GPI anchored-related protein remains unknown in phytopathogenic fungi.ResultsWe here characterized the functions of MoPer1, a homolog of Saccharomyces cerevisiae ScPer1, from the rice blast fungus Magnaporthe oryzae. Transcriptional analysis demonstrated that MoPER1 was significantly upregulated during conidiation and infection. We found that the Moper1 mutant was defective in conidiation and appressoria formation, and MoPer1 was involved in osmotic stress response and maintaining the cell wall integrity. Pathogenicity assays indicated that deletion of MoPEP1 significant reduction in virulence. Microscopic examination of the lesions revealed that the invasive hyphae of Moper1 mutants were mostly restricted to the primary infected leaf sheath cells.ConclusionsOur results indicated that MoPer1 is necessary for growth, conidiogenesis, and pathogenicity of the fungus. Our study facilitated to deep elucidate the pathogenic molecular mechanism of M. oryzae, and also provided a very helpful reference value for developing effective fungicide pointed at as the gene for target.

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