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FEMS Microbiol Lett. 1996 Sep 15;143(1):57-61.

Pulsed-field gel electrophoresis indicates genotypic heterogeneity among Campylobacter upsaliensis strains.

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1
Division of Gastroenterology, Hospital for Sick Children, M5G 1X8, Canada.

Abstract

To determine the genomic relatedness among a selection of animal and human Campylobacter upsaliensis isolates, macrorestriction profiles were generated for 20 C. upsaliensis strains, among 7 serogroups, using pulsed-field gel electrophoresis (PFGE). XhoI, SalI and SacII restriction enzyme profiles indicated genomic heterogeneity among strains. Using XhoI and SacII restriction enzyme digestion, genomic similarities between some pairs of strains were Lior serogroup specific. The genomic sizes of these isolates varied from 1.74 to 2.09 Mb. These results demonstrate molecular heterogeneity of this species similar to that found among Helicobacter pylori isolates. Among C. upsaliensis strains, PFGE is highly discriminatory and should prove a useful molecular typing method for epidemiological purposes.

[Indexed for MEDLINE]

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