Endophytic blastospores of Beauveria bassiana provide high resistance against plant disease caused by Botrytis cinerea
文献类型： 外文期刊
作者： Sui, Li 1 ; Lu, Yang 1 ; Zhu, Hui 2 ; Wan, Tingyu 4 ; Li, Qiyun 1 ; Zhang, Zhengkun 1 ;
作者机构： 1.Jilin Acad Agr Sci, Inst Plant Protect, Gongzhuling 136100, Jilin, Peoples R China
2.Northeast Normal Univ, Inst Grassland Sci, Changchun 130024, Jilin, Peoples R China
3.Minist Educ, Key Lab Vegetat Ecol, Changchun 130024, Jilin, Peoples R China
4.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Peoples R China
关键词： Beauveria bassiana; Endophytic; Aerial conidia; Blastospores; Submerged conidia; Plant disease resistance
期刊名称：FUNGAL BIOLOGY （ 影响因子：2.91； 五年影响因子：3.435 ）
ISSN： 1878-6146
年卷期： 2022 年 126 卷 8 期
页码：
收录情况： SCI
摘要： The entomopathogenic fungus Beauveria bassiana is widely used for insect pest control and can produce three distinct infective unit types under different nutritional and environmental conditions: aerial conidia, blastospores, and submerged conidia. Here, we identified endophytic colonization ability and existing forms of the three types of B. bassiana infective units after inoculating Arabidopsis plants via soil drenching, and tested their effects on their presence mold disease caused by Botrytis cinerea. We found that all B. bassiana infective unit types colonized Arabidopsis leaves, with germinating and producing hyphae by hydrophilic blastopores and submerged conidia; further, we showed that blastospores were more effective in defending against B. cinerea, compared with aerial conidia. These findings suggest that in addition to aerial conidia, the colonization of other two types of entomopathogenic fungal infective units could also have important impacts on plant resistance. This study contributes to better understanding on the function of B. bassiana as fungal endophytes, which could lead to a new paradigm for how to successfully use these organisms in biological control against plant diseases. (c) 2022 British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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