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Crude Lipopeptides Produced by Bacillus amyloliquefaciens Could Control the Growth of Alternaria alternata and Production of Alternaria Toxins in Processing Tomato

文献类型： 外文期刊

作者： Zhang, Yuanyuan 1 ; Fan, Yingying 2 ; Dai, Yingying 2 ; Jia, Qinlan 2 ; Guo, Ying 1 ; Wang, Peicheng 4 ; Shen, Tingting 4 ; Wang, Yan 2 ; Liu, Fengjuan 2 ; Guo, Wanhui 2 ; Wu, Aibo 5 ; Jiao, Ziwei 1 ; Wang, Cheng 2 ;

作者机构： 1.Yili Normal Univ, Coll Biol Sci & Technol, Yining 835000, Peoples R China

2.Xinjiang Acad Agr Sci, Minist Agr & Rural Affairs, Minist Agr & Rural Affairs, Inst Qual Stand & Testing Technol Agroprod,Key Lab, Urumqi 830091, Peoples R China

3.Xinjiang Univ, Coll Life Sci & Technol, Urumqi 830049, Peoples R China

4.Xinjiang Agr Univ, Coll Food Sci & Pharm, Urumqi 830052, Peoples R China

5.Chinese Acad Sci, Univ Chinese Acad Sci, Shanghai Inst Nutr & Hlth, Shanghai Inst Biol Sci,CAS Key Lab Nutr Metab & Fo, Shanghai 200031, Peoples R China

关键词： Bacillus amyloliquefaciens; lipopeptide; Alternaria alternata; processing tomato; Alternaria toxins

期刊名称：TOXINS （ 影响因子：4.2； 五年影响因子：4.7 ）

ISSN：

年卷期： 2024 年 16 卷 2 期

页码：

收录情况： SCI

摘要： Alternaria spp. and its toxins are the main contaminants in processing tomato. Based on our earlier research, the current study looked into the anti-fungal capacity of crude lipopeptides from B. amyloliquefaciens XJ-BV2007 against A. alternata. We found that the crude lipopeptides significantly inhibited A. alternata growth and reduced tomato black spot disease incidence. SEM analysis found that the crude lipopeptides could change the morphology of mycelium and spores of A. alternata. Four main Alternaria toxins were detected using UPLC-MS/MS, and the findings demonstrated that the crude lipopeptides could lessen the accumulation of Alternaria toxins in vivo and in vitro. Meanwhile, under the stress of crude lipopeptides, the expression of critical biosynthetic genes responsible for TeA, AOH, and AME was substantially down-regulated. The inhibitory mechanism of the crude lipopeptides was demonstrated to be the disruption of the mycelial structure of A. alternata, as well as the integrity and permeability of the membrane of A. alternata sporocytes. Taken together, crude lipopeptides extracted from B. amyloliquefaciens XJ-BV2007 are an effective biological agent for controlling tomato black spot disease and Alternaria toxins contamination.

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