Inhibitory effect of Enterobacter cloacae 3J1EC on Aspergillus flavus 3.4408 growth and aflatoxin production
文献类型： 外文期刊
作者： Dong, X. 1 ; Zhang, Q. 1 ; Zhang, Z. 1 ; Yue, X. 1 ; Zhang, L. 1 ; Chen, X. 1 ; Zhang, W. 1 ; Chen, L. 1 ; Li, P. 1 ;
作者机构： 1.Chinese Acad Agr Sci, Oil Crops Res Inst, Wuhan 430062, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Biol & Genet Improvement Oil Crops, Wuhan 430062, Peoples R China
3.Natl Reference Lab Agr Testing Biotoxin, Wuhan 430062, Peoples R China
4.Minist Agr & Rural Affairs, Lab Qual & Safety Risk Assessment Oilseeds Prod, Wuhan 430062, Peoples R China
5.Minist Agr & Rural Affairs, Key Lab Detect Mycotoxins, Wuhan 430062, Peoples R China
6.Minist Agr, Qual Inspect & Test Ctr Oilseeds Prod, Wuhan 430062, Peoples R China
关键词： RNA-Seq; gene ontology; mycotoxin
期刊名称：WORLD MYCOTOXIN JOURNAL （ 影响因子：3.353； 五年影响因子：3.108 ）
ISSN： 1875-0710
年卷期： 2020 年 13 卷 2 期
页码：
收录情况： SCI
摘要： Aspergillus flavus can easily infect major agricultural products and produce aflatoxin. In this study, we investigated the effect of the biocontrol bacterium Enterobacter cloacae 3J1EC on the growth of A. flavus strain 3.4408. The biocontrol bacterium played a key role in preventing infection by A. flavus. E. cloacae 3J1EC was found to inhibit the growth of A. flavus 3.4408 mycelial pellets and reduce the production of aflatoxin by 96.9%. We found differential expression between the control and the treatment groups in the transcriptome of A. flavus 3.4408. Gene ontology (GO) analysis indicated that E. cloacae 3J1EC induced the down-regulated expression of cellular component and molecular function, while its effects on the up-regulated expression indicated the relationship of biological process and molecular function. Thus, these results suggest that E. cloacae 3J1EC decreased aflatoxin production via down-regulated gene expression in terms of aflatoxin biosynthesis. In summary, E. cloacae 3J1EC can be employed as an alternative for the biological control of A. flavus 3.4408.
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