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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Published inJournal of Veterinary Medical Science Vol. 83; no. 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 Journal Article
LanguageEnglish
Published JAPANESE SOCIETY OF VETERINARY SCIENCE 2021
The Japanese Society of Veterinary Science
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.
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ISSN:0916-7250
1347-7439
1347-7439
DOI:10.1292/jvms.21-0129