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  • Title: Occurrence of Clostridium perfringens beta2-toxin amongst animals, determined using genotyping and subtyping PCR assays.
    Author: Garmory HS, Chanter N, French NP, Bueschel D, Songer JG, Titball RW.
    Journal: Epidemiol Infect; 2000 Feb; 124(1):61-7. PubMed ID: 10722131.
    Abstract:
    Clostridium perfringens isolates are currently classified into one of five biotypes on the basis of the differential production of alpha-, beta-, epsilon- and iota-toxins. Different biotypes are associated with different diseases of man and animals. In this study a multiple PCR assay was developed to detect the genes encoding these toxins. In addition, detection of the genes encoding the C. perfringens enterotoxin and beta2-toxin allowed subtyping of the bacteria. C. perfringens isolates taken from a variety of animals, including foals, piglets or lambs, were genotyped using this assay. Most of the isolates were found to be genotype A and the gene encoding beta2-toxin [corrected] was present in 50% of the isolates genotyped. A significant association between C. perfringens possessing the beta2-toxin gene and diarrhoea in piglets was identified, suggesting that beta2-toxin may play a key role in the pathogenesis of the disease.
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