Real-time multiplex PCR assays for reliable detection of Clostridium perfringens toxin genes in animal isolates

Albini, S; Brodard, I; Jaussi, A; Wollschlaeger, N; Frey, J; Miserez, R; Abril, C (2008). Real-time multiplex PCR assays for reliable detection of Clostridium perfringens toxin genes in animal isolates. Veterinary microbiology, 127(1-2), pp. 179-85. Amsterdam: Elsevier 10.1016/j.vetmic.2007.07.024

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Typing of Clostridium perfringens strains by PCR-based determination of toxin genes proved to be a reliable method for diagnosis of enterotoxaemia in various animal species. We report the establishment and validation of three real-time fluorogenic (TaqMan) multiplex PCRs for the detection of C. perfringens alpha-, beta-, beta2-, epsilon-, entero- and iota-toxin genes. The composition of the PCRs was chosen with regard to robustness of the assays and in order to increase sensitivity compared to the conventional simplex PCRs. The combination of probe dyes selected for the real-time assays (FAM/TAMRA, Cy-5/BHQ-2 and VIC/TAMRA) as well as the designation of the chromosome-borne alpha-toxin as internal positive control allowed the creation of highly specific and sensitive, as well as time and cost effective PCRs. One hundred and three strains of C. perfringens isolated in Switzerland derived from clinical or suspected cases of enterotoxaemia in 10 different animal species were tested. The toxin genotypes were in agreement in both the conventional PCRs and the newly designed multiplex PCRs. Furthermore, the real-time PCR carried out as simplex allows to quantitate the copy numbers of plasmid-borne toxin genes in relation to the chromosomally located alpha-toxin gene.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology

UniBE Contributor:

Albini, Sarah; Brodard, Isabelle; Jaussi, Anita; Wollschläger, Nicole; Frey, Joachim; Miserez, Raymond François and Abril Gaona, Carlos








Factscience Import

Date Deposited:

04 Oct 2013 14:54

Last Modified:

21 Jan 2014 15:05

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URI: (FactScience: 37989)

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