Bacteriological and molecular typing of Clostridium perfringens strains isolated in retail beef in Beijing, China

Clostridium perfringens is an important zoonotic pathogen. This study was designed to explore the prevalence and toxin types of C. perfringens in retail beef collected from Beijing, China. Among 221 beef samples collected, 53 samples were positive for C. perfringens, resulting in the average prevale...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2021, Vol.83(10), pp.1593-1596
Main Authors: JIANG, Hui, QIN, Yu-Ming, YANG, Xiao-Tong, LI, Qiao-Ling, SHEN, Qing-Chun, DING, Jia-Bo, WEI, Run-Yu, ZHANG, Jian-Dong, SUN, Jia-Li, SUN, Ming-Jun, FAN, Xue-Zheng
Format: Article
Language:English
Subjects:
Bacteriology
Clostridium perfringens
multi-locus sequence typing
retail beef
toxin type
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Summary:Clostridium perfringens is an important zoonotic pathogen. This study was designed to explore the prevalence and toxin types of C. perfringens in retail beef collected from Beijing, China. Among 221 beef samples collected, 53 samples were positive for C. perfringens, resulting in the average prevalence as 23.98%. By toxin gene-based typing, the most C. perfringens strains belong to type A (96.23%, 51/53), only 2 strains were identified as type D. By a multi-locus sequence typing (MLST)-based analysis, a total of 36 sequence types (STs) were detected, and the most STs (n=30) represented just a single strain. These finding suggested that the prevalence of C. perfringens in retail beef in Beijing was considerably high and these bacteria displayed extreme diversity in genetics.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.21-0129