Serotyping of and hippurate hydrolysis by Campylobacter jejuni isolates from human patients,poultry and pigs in the Netherlands |
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| Authors: | J Oosterom J R J Bänffer S Lauwers A E Busschbach |
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| Institution: | (1) Laboratory for Water and Food Microbiology, National Institute of Public Health and Environmental Hygiene, P.O. Box 1, 3720 BA Bilthoven, The Netherlands;(2) Laboratory for Epidemiological Bacteriology, Municipal Public Health Service, P.O. Box 333, 3000 AH Rotterdam, The Netherlands;(3) Infectious Disease Unit, University Hospital, Free University of Brussels, Laarbeeklaan 101, 1090 Brussels, Belgium |
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| Abstract: | Three hundred strains of Campylobacter jejuni, isolated from human patients, poultry and pigs were serotyped according to the Penner-Lauwers system and furthermore tested for hippurate hydrolysis. Serotyping showed a close relationship between human and chicken strains, whereas there was little relationship between human and pig strains. A similar conclusion was drawn from the results of the hippurate hydrolysis test: 86% of human and 94% of poultry strains were positive, whereas 91% of pig strains were negative.These data confirm the conclusions from epidemiological investigations, according to which poultry is a major source of human campylobacteriosis, while pigs are rarely so. |
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