ISSN: 0973-7510

E-ISSN: 2581-690X

Ashgan M. Hessain1 , Mohamed I. Alhazmi2 and Ihab M. Moussa3,4
1Department of Health Science, College of Applied Studies and Community Service, King Saud University, P. O. Box 22459 Riyadh – 11495, Kingdom of Saudi Arabia.
2Department of Food and Nutrition Science, College of Food and agriculture, King Saud University, P. O. Box 2460, Kingdom of Saudi Arabia.
3Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh – 11451, Kingdom of Saudi Arabia.
4Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Egypt.
J Pure Appl Microbiol. 2013;7(3):1877-1884
© The Author(s). 2013
Received: 02/11/2012 | Accepted: 23/12/2012 | Published: 30/09/2013
Abstract

A multiplex and duplex PCR procedure was used to identify four toxitypes of Clostridium perfringens collected from apparently healthy and diseased chicken as well as characterization of Clostridium perfringens for the presence of beta2 and enterotoxin genes. Sixty strains of Clostridium perfringens were identified and typed by classical methods. All the strains were analyzed by PCR for the presence alpha, beta, toxin and iota genes as well as beta2 and enterotoxin genes. The results reveal a toxin gene in 45 strains of Clostridium perfringens, only 43 (84.31%) strains of them were identified previously as type A by classical method, as well as 8 strains (15.69%) were identified as type C and 3 strains (5.88%) of type A were associated with beta2 toxin gene by multiplex and duplex PCR typing. Also PCR method can detect 2 other strains of type A directly in the feces and intestinal contents of the examined chicken which gave negative results in traditional examination. Thus PCR technique can become a first-choice tool for the identification, typing and characterization of the virulence genes encoded for enterotoxin and beta 2 of Clostridium perfringens field isolates recovered from poultry which initiate enteric disease in Egypt.

Keywords

Clostridium perfringens, PCR typing, necrotic enteritis disease, poultry

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