oa Central African Journal of Medicine - Endotoxic activity and enterotoxigenicity of human strains of Campylobacter jejuni isolated from patients in a Nigerian hospital

Volume 35, Issue 11
  • ISSN : 0008-9176



Limulus gelation assay and dermal Schwartzman reaction provided a sensitive and reproducible means of testing the endotoxic activity of hospital strains of Campylobacter jejuni in Lagos, Nigeria. All the 22 isolates of Campylobacter jejuni tested for the limulus gelation assay were positive for the production of endotoxin. Furthermore, the Campylobacter suspensions caused a positive dermal Schwartzman reaction in rabbits. The area of skin reaction was less extensive than that produced by Escherichia coli 01114B and E7539/77 which served as positive controls. Five local strains of Campylobacter jejuni tested for enterotoxin production showed negative reaction in the infant mouse test whereas enterotoxin production was observed in Campylobacter jejuni strain 11168 and Echerichia coli E7539/77. Consequently, the infant mouse test may not be suitable for enterogenicity testing of our local isolates of Campylobacter jejuni.

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