Bacteriocin-like inhibitory substances from <Emphasis Type="Italic">Campylobacter</Emphasis> spp. |
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Authors: | Suzanne Nicole Workman Floyd E Been Simera R Crawford Marc C Lavoie |
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Institution: | (1) Department of Biological and Chemical Sciences, University of the West Indies, Cave Hill Campus, P.O. Box 64, Bridgetown, Barbados |
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Abstract: | Twenty-five Campylobacter isolates were screened for production of antimicrobial substances using a deferred antagonism assay. Sixteen isolates showed
activity against either Staphylococcus aureus, Salmonella enterica serovar Enteritidis or Candida albicans. The inhibitory activity was sensitive to treatment with pronase E, trypsin and pepsin, suggesting that the antimicrobial
compound(s) are proteinaceous. Activity spectra of isolates included S. aureus, Micrococcus luteus, Streptococcus sp., Bacillus subtilis, a drug-resistant clinical isolate of S. aureus and one isolate of C. albicans. Producing isolates showed cross-immunity and inhibitory activity was only observed on solid media. The findings of this
study suggest that Campylobacter produces proteinaceous inhibitory substances. |
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Keywords: | Bacteriocin-like inhibitory substance Campylobacter |
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