Molecular Epidemiology Survey of Toxinogenic Clostridium perfringens Strain Types by Multiplex PCR

Autor: Ewa Augustynowicz, Anna Gzyl, Janusz Slusarczyk
Rok vydání: 2000
Předmět:
Zdroj: Scandinavian Journal of Infectious Diseases. 32:637-641
ISSN: 1651-1980
0036-5548
DOI: 10.1080/003655400459559
Popis: Toxin genotypes of 95 C. perfringens strains collected within a 45-year period were analysed by a multiplex PCR. A set of primers designed for 4 different genes encoding the alpha, beta, epsilon, and iota toxins was used in a single reaction with a sensitivity of gene detection of 200 fg for DNA extracted from pure culture. Most of the strains (97%) conformed to the A biotype, and the remaining to the C or E biotypes. For biotype determination, seroneutralization of lethality in mice was performed by intravenous injection. Toxin phenotype and genotype profile were concordant in 94% of strains. Our results documented the presence of rare toxin genotypes of C. perfringens in a Polish geographical region and indicated the suitability of multiplex PCR as a method supplementing classical techniques and providing better insight into the prevalence of toxinogenic C. perfringens strains.
Databáze: OpenAIRE