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  • Title: Molecular characterization and antimicrobial resistance profile of Clostridium perfringens type A isolates from humans, animals, fish and their environment.
    Author: Yadav JP, Das SC, Dhaka P, Vijay D, Kumar M, Mukhopadhyay AK, Chowdhury G, Chauhan P, Singh R, Dhama K, Malik SVS, Kumar A.
    Journal: Anaerobe; 2017 Oct; 47():120-124. PubMed ID: 28526496.
    Abstract:
    The study was aimed to characterize, and determine antibiogram of C. perfringens type A isolated from the feces of human and animal diarrhoeal cases, as well as healthy animals, meat of pigs and goats, gills and intestine of fish and samples from fish pond. A total of 460 samples, including human diarrhoeal cases (n = 130); diarrhoeal cases of pig (n = 52) and goat (n = 50); fecal samples from healthy pig (n = 50) and goat (n = 50); meat samples viz. pork meat (n = 52); goat meat (n = 50) and fish including their environmental sources (n = 26) were used for isolation and identification of C. perfringens type A. All the biochemically confirmed isolates were positive for species-specific 16S rRNA and cpa genes by PCR assays. Toxinotyping of C. perfringens type A isolates showed that overall prevalence of C. perfringens type A with only cpa+ gene was 43.2%; with cpa+ and cpb2+ genes was 45.4%; with cpa+ and cpe+ genes was 4.9%; however, with cpa+, cpb2+and cpe+ genes was 6.6%. Antimicrobial susceptibility testing revealed that 83.7% of isolates were resistant to three or more antibiotics.
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