Characterization of three autolysins with activity against cereulide-producing Bacillus isolates in food matrices

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成果类型：

期刊论文

作者：

Geng, Peiling;Hu, Yimin;Zhou, Guoping;Yuan, Zhiming*;Hu, Xiaomin*

通讯作者：

Yuan, Zhiming;Hu, Xiaomin

作者机构：

[Geng, Peiling; Yuan, Zhiming; Hu, Xiaomin; Hu, Yimin] Chinese Acad Sci, Wuhan Inst Virol, Key Lab Agr & Environm Microbiol, Wuhan 430070, Peoples R China.

[Geng, Peiling] Univ Chinese Acad Sci, Beijing 100039, Peoples R China.

[Zhou, Guoping] Wuhan Polytech Univ, Dept Bioengn & Pharmaceut Engn, Wuhan 430023, Peoples R China.

[Yuan, ZM; Hu, Xiaomin] Chinese Acad Sci, Wuhan Inst Virol, Wuhan 430071, Peoples R China.

通讯机构：

[Yuan, ZM; Hu, XM] C

Chinese Acad Sci, Wuhan Inst Virol, Wuhan 430071, Peoples R China.

语种：

英文

关键词：

autolysin;cereulide;bacterial protein;bacterial toxin;cereulide;depsipeptide;n acetylmuramoylalanine amidase;alkalophile;Article;assay;Bacillus cereus;bacterial strain;bactericidal activity;bacterium isolate;chemical analysis;controlled study;food;milk;nonhuman;pH;physical phenomena;rice;spore germination;thermal analysis;analysis;Bacillus cereus;diarrhea;drug effects;enzymology;food contamination;food control;genetics;human;isolation and purification;metabolism;microbiology;Bacillus cereus;Bacterial Proteins;Bacterial Toxins;Depsipeptides;Diarrhea;Food Contamination;Food Microbiology;Humans;N-Acetylmuramoyl-L-alanine Amidase

期刊：

International Journal of Food Microbiology

ISSN：

0168-1605

年：

2017

卷：

241

页码：

291-297

DOI：

10.1016/j.ijfoodmicro.2016.10.030

基金类别：

The project was supported by National Natural Science Foundation of China (NFSC) grants 31170006 and 31570007 .

机构署名：

本校为其他机构

院系归属：

生命科学与技术学院

摘要：

Bacillus cereus is a pathogen related with diarrhoeal or emetic food poisoning cases, of which the latter caused by the cereulide-producing isolates are more severe with several reported lethal cases. It is therefore necessary to develop an effective strategy to prevent the propagation of B. cereus in the food supply. In this study, three autolysins from the cereulide-producing B. cereus group isolates, LysIS075, LysF8819.1 and LysCER057, were identified and characterized. The results showed that the three autolysins were highly lytic and bacte...

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Characterization of three autolysins with activity against cereulide-producing Bacillus isolates in food matrices

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