Effects of Bacillus amyloliquefaciens XJ-BV2007 on Growth of Alternaria alternata and Production of Tenuazonic Acid
文献类型： 外文期刊
作者： Jia, Qinlan 1 ; Fan, Yingying 2 ; Duan, Shuaishuai 1 ; Qin, Qiaomei 1 ; Ding, Yu 3 ; Yang, Min 3 ; Wang, Yan 2 ; Liu, Fengjuan 1 ; Wang, Cheng 1 ;
作者机构： 1.Xinjiang Univ, Coll Life Sci & Technol, Urumqi 830049, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Qual Stand & Testing Technol Agriprod, Key Lab Agroprod Qual & Safety Xinjiang, Lab Qual & Safety Risk Assessment Agriprod Urumqi, Urumqi 830091, Peoples R China
3.Yili Normal Univ, Coll Biol & Geog Sci, Yining 835000, Peoples R China
关键词： Alternaria alternata; Bacillus amyloliquefaciens; tomato; tenuazonic acid; lipopeptide; fengycin
期刊名称：TOXINS （ 影响因子：4.2； 五年影响因子：4.7 ）
ISSN：
年卷期： 2023 年 15 卷 1 期
页码：
收录情况： SCI
摘要： Large amounts of processing tomato are grown in Xinjiang, China. Tomato black spot disease, caused by Alternaria spp., and the produced alternaria toxins in tomato products are posing risks to human health. In this study, we isolated a rhizospheric bacterium, XJ-BV2007, from tomato (Solanum lycopersicum) fields, which we identified as Bacillus amyloliquefaciens. We found that this bacterium has a strong antagonistic effect against Alternaria alternata and reduces the accumulation of alternaria toxins in tomatoes. According to the antifungal activity of the bacteria-free filtrate, we revealed that B. amyloliquefaciens XJ-BV2007 suppresses A. alternata by the production of antifungal metabolites. Combining semi-preparative high-performance liquid chromatography, we employed UPLC-QTOF-MS analysis and the Oxford cup experiment to find that fengycin plays an important role in inhibiting A. alternata. This paper firstly reported that B. amyloliquefaciens efficiently controls tomato black spot disease and mycotoxins caused by A. alternata. B. amyloliquefaciens XJ-BV2007 may provide an alternative biocontrol strain for the prevention of tomato black spot disease.
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