Banana disease-suppressive soil drives Bacillus assembled to defense Fusarium wilt of banana
文献类型： 外文期刊
作者： Fan, Huacai 1 ; He, Ping 1 ; Xu, Shengtao 1 ; Li, Shu 1 ; Wang, Yongfen 1 ; Zhang, Wenlong 1 ; Li, Xundong 1 ; Shang, Hui 1 ; Zeng, Li 1 ; Zheng, Si-Jun 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Agr Environm & Resources Inst, Yunnan Key Lab Green & Control Agr Transboundary P, Kunming, Peoples R China
2.Yunnan Agr Univ, Coll Plant Protect, State Key Lab Conservat & Utilizat Bioresources Yu, Minist Educ,Key Lab Agr Biodivers Plant Dis Manage, Kunming, Peoples R China
3.Yunnan Acad Agr Sci, Inst Trop & Subtrop Ind Crops, Baoshan, Peoples R China
4.Biovers Int, Kunming, Peoples R China
关键词： Fusarium wilt of banana; Foc TR4; soil microorganism diversity; Bacillus spp; biological control
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.2； 五年影响因子：6.2 ）
ISSN：
年卷期： 2023 年 14 卷
页码：
收录情况： SCI
摘要： Fusarium wilt of banana (FWB) caused by Fusarium oxysporum f. sp. cubense tropical race 4 (Foc TR4), poses a serious problem for sustainable banana production. Biological control is one of the effective measures to control this destructive disease. High-throughput sequencing of soil microorganisms could significantly improve the efficiency and accuracy of biocontrol strain screening. In this study, the soil microbial diversity of six main banana-producing areas in Yunnan was sequenced by Illumina Miseq platform. The outcome of this study showed the genus of Chujaibacter, Bacillus, and Sphingomonas were significantly enriched in microorganism community composition. Further correlation analysis with soil pathogen (Foc TR4) content showed that Bacillus was significantly negatively correlated with pathogen content. Therefore, we isolated and identified Bacillus from the disease-suppressive soils, and obtained a B. velezensis strain YN1910. In vitro and pot experiments showed that YN1910 had a significant control effect (78.43-81.76%) on banana Fusarium wilt and had a significant growth promotion effect on banana plants.
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