Endophytic colonization of entomopathogenic fungi increases plant disease resistance by changing the endophytic bacterial community
文献类型： 外文期刊
作者： Chang, Yuming 1 ; Xia, Xinyao 3 ; Sui, Li 1 ; Kang, Qin 1 ; Lu, Yang 1 ; Li, Le 1 ; Liu, Wende 3 ; Li, Qiyun 1 ; Zhang, Zhen 1 ;
作者机构： 1.Jilin Acad Agr Sci, Jilin Key Lab Agr Microbiol, Key Lab Integrated Pest Management Crops Northeas, Minist Agr & Rural Affairs, Changchun 130033, Peoples R China
2.Jilin Agr Univ, Coll Life Sci, Changchun, Peoples R China
3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
4.China Agr Univ, Coll Plant Protect, Dept Entomol, Beijing, Peoples R China
5.Jilin Agr Univ, Coll Plant Protect, Changchun, Peoples R China
关键词： Beauveria bassiana; biocontrol; endophytic microbiome; Exserohilum turcicum; fungal endophyte; maize
期刊名称：JOURNAL OF BASIC MICROBIOLOGY （ 影响因子：2.281； 五年影响因子：2.516 ）
ISSN： 0233-111X
年卷期：
页码：
收录情况： SCI
摘要： Various mechanisms are involved in plant disease resistance mediated by entomopathogenic fungi; however, the role of plant endophytic microbes in disease resistance is unknown. In the present study, we showed that the disease incidence of northern corn leaf blight caused by Exserohilum turcicum (Et) on maize was reduced significantly by soil inoculation with Beauveria bassiana (Bb). Meanwhile, B. bassiana colonization and E. turcicum infection increased the diversity and abundance and diversity of endophytic bacteria and fungi, respectively, while the abundance of endophytic bacterial of the Bb + Et treatment decreased significantly compared with that of Et treatment alone. However, Bb + Et treatment increased the relative abundance of plant beneficial bacteria significantly, for example, Burkholderia and Pseudomonas. Network analyses showed that the microbiome complexity increased after soil inoculation with B. bassiana. Taken together, these results revealed the potential mechanism by which entomopathogenic fungi exert biological control of maize leaf spot disease.
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