Roles of Arbuscular mycorrhizal Fungi as a Biocontrol Agent in the Control of Plant Diseases

文献类型： 外文期刊

第一作者： Weng, Wenfeng

作者： Weng, Wenfeng;Yao, Xin;Gao, Aning;Ma, Chao;Cheng, Jianping;Ruan, Jingjun;Yan, Jun;Yan, Jun;Zhou, Meiliang

作者机构：

关键词： Arbuscular mycorrhizal fungi; biocontrol; disease resistance; mechanism

期刊名称：MICROORGANISMS （ 影响因子：4.926； 五年影响因子：5.143 ）

ISSN：

年卷期： 2022 年 10 卷 7 期

页码：

收录情况： SCI

摘要： Arbuscularmycorrhizal fungi (AMF) are a class of beneficial microorganisms that are widely distributed in soil ecosystems and can form symbionts with 80% of terrestrial higher plants, and improve the nutritional status of plants. The use of AMF as a biocontrol method to antagonize soil-borne pathogens has received increasing interest from phytopathologists and ecologists. In this paper, the mechanisms of resistance to diseases induced by AMF and the application of AMF to plant fungal, bacterial, and nematode diseases have been summarized. This study aimed to enhance the potential use of AMF as a biological control method to prevent plant diseases in the future. Root morphological alteration characteristics were explained, including the influence of AMF on root structure, function, and the regulation of AMF via secondary metabolites. AMF can improve the rhizosphere environment by influencing the physical and chemical proprieties of soil, enhancing the growth of other beneficial microorganisms, and by competing with pathogenic microorganisms. Two microorganism types may compete for the same invasive sites in root systems and regulate nutrition distribution. AMF can induce the host plant to form defense systems, including improving phytohormone concentrations, inducing signal substrate production, gene expression regulation, and enhancing protein production.

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