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Updated: Aug 13, 2026
Detection and Isolation of Campylobacter spp. from Raw Meat
Published on: February 23, 2024
Detection of cdtA, cdtB, and cdtC genes in Campylobacter jejuni by multiplex PCR
Irati Martínez1, Estibaliz Mateo, Estibaliz Churruca
1Departamento de Inmunología, Microbiología y Parasitología, Facultad de Farmacia, Universidad del País Vasco (UPV-EHU), Paseo de la Universidad, 7 1, E-01006 Vitoria-Gasteiz, Spain.
Abstract:
A multiplex PCR was developed for simultaneous detection of the cytolethal distending toxin (cdt) genes of Campylobacter jejuni. Three primer pairs targeting each one of the cdtA, cdtB and cdtC genes were designed and combined in the same PCR reaction. The assay was evaluated with 100 C. jejuni strains recovered from humans and animals and it was found to be rapid and specific. Two isolates presented several deletions affecting both cdtA and cdtB genes. High prevalence (98%) of the three cdt genes was found among isolates of different geographic origins.
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