شناسایی جدایه های کلستریدیوم پرفرنجنس واجد ژن آنتروتوکسین در بین تیپ های توکسینی مختلف از ایران
Publish place: Iranian Journal of Veterinary Medicine، Vol: 10، Issue: 3
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJVM-10-3_002
تاریخ نمایه سازی: 12 تیر 1398
Abstract:
Background: Clostridium perfringens is known as the most widely distributed pathogenic microorganism in nature. It is an extremely important pathogen of human and domestic animals. In a commonly used classification scheme, C. perfringens is divided into five toxinotypes (A to E) based on the production of four major toxins (alpha, beta, epsilon, and iota). Enterotoxin is not usually used for C. perfringens typing but it is a fatal toxin with necrotic activity. Based on our knowledge there is no published scientific report regarding identification of enterotoxin positive C. perfringens isolates from animals in Iran. OBJECTIVES: To study the presence and frequency of enterotoxin gene among C. perfringence isolates with different types. METHODS: A specific single PCR assay was developed and used for detection of cpe gene to identify the entrerotoxin harboring isolates among different types of C. perfringens isolated from animal enteric diseases in Iran. RESULTS: It was found that cpe gene presents among C.perfringens isolates types A, B, C and D with 63.6% (7/11), 25% ( 5/20), 21.4% (3/14), 53.3% (8/15), respectively. Totally 23 of 60 ( 38.3%) isolates screened by PCR were cpe-positive. CONCLUSIONS: This is the first report of cpe- positive isolates of C.perfringens causing enterototoxemia in animals in Iran. Further studies to investigate the synergistic effect of CPE toxin in pathogenesis of enteric diseases in animals is suggested.
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Authors
Ahmad-Reza Jabbari
Razi vaccine and Serum Research Institute
Majid Esmaelizad
Razi vaccine and Serum Research Inst
fariba Samimi
Payame Noor University, Tehran Branch,
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