Clostridium perfringens: toxinotype and genotype.

Clostridium perfringens is a ubiquitous pathogen that produces many toxins and hydrolytic enzymes. Because the toxin-encoding genes can be located on extrachromosomal elements or in variable regions of the chromosome, several pathovars have arisen, each of which is involved in a specific disease. Pathovar identification is required for a precise diagnosis of associated pathologies and to define vaccine requirements. For these purposes, toxin genotyping is more reliable than the classical toxinotyping.

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