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Genetic and epidemiological relationships among Campylobacter isolates from humans
Division of Food Hygiene and Bacteriology, Department of Biomedical Sciences and Veterinary Public Health, Faculty of Veterinary Medicine and Animal Science, Swedish University of Agricultural Sciences, Uppsala.
Department of Infectious Diseases Control, County Hospital, Västerås.
Division of Food Hygiene and Bacteriology, Department of Biomedical Sciences and Veterinary Public Health, Faculty of Veterinary Medicine and Animal Science, Swedish University of Agricultural Sciences, Uppsala.
Swedish Zoonosis Center, National Veterinary Institute, Uppsala.
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2004 (English)In: Scandinavian Journal of Infectious Diseases, ISSN 0036-5548, E-ISSN 1651-1980, Vol. 36, 435-442 p.Article in journal (Refereed) Published
Abstract [en]

84 Campylobacter jejuni isolates from Swedish patients with domestic infection were characterized with pulsed-field gel electrophoresis (PFGE), and the subtype information considered in relation to epidemiological data. Based on pattern combinations from restriction cleavage with SmaI and SalI, 52 different PFGE types were identified. Types with an average pattern similarity of at least 82% and 63% were assembled in groups and clusters, respectively. The 2 largest clusters included 71% of the isolates. The distribution in time varied between different groups and clusters, where some were isolated sporadically during the whole period and others appeared more concentrated in time. Types in 1 cluster were significantly more often isolated in summer than other types in the study. Isolates from children showed lower pattern similarity to other isolates than isolates from adults. Sets of type and time related cases, possibly representing small outbreaks, were identified when indistinguishable PFGE patterns were found in isolates from temporally related cases. Our results indicate that although a large number of genotypes may be found among C. jejuni strains infecting humans, a large proportion of these may be genetically related, and that different genotypes may appear during different seasons and infect individuals of different ages.

Place, publisher, year, edition, pages
Oslo, Norway: Taylor & Francis, 2004. Vol. 36, 435-442 p.
National Category
Medical and Health Sciences Infectious Medicine
Research subject
Culinary Arts and Meal Science
Identifiers
URN: urn:nbn:se:oru:diva-44375DOI: 10.1080/003655404100208200-1ISI: 000222351100007PubMedID: 15307564Scopus ID: 2-s2.0-4143078137OAI: oai:DiVA.org:oru-44375DiVA: diva2:806600
Available from: 2015-04-20 Created: 2015-04-20 Last updated: 2017-10-17Bibliographically approved

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Danielsson-Tham, Marie-Louise
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CiteExportLink to record
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