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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Detalles Bibliográficos
Autores principales: 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
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Veterinary Science 2021
Materias:
Bacteriology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8569878/
https://www.ncbi.nlm.nih.gov/pubmed/34456197
http://dx.doi.org/10.1292/jvms.21-0129
Descripción
Sumario: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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