Subtyping of Campylobacter jejuni Penner serotypes 9, 38 and 63 from human infections, animals and water by pulsed field gel electrophoresis and flagellin gene analysis

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Pulsed field gel electrophoresis and PCR-RFLP flagellin gene profiling were used to discriminate 44 isolates of Campylobacter jejuni Penner heat stable (HS) serotypes 9, 38 and 63 from sporadic human infections and other sources. Genomic similarities between HS9 and HS38 strains were demonstrated. HS63 and HS1 strains of Camp. jejuni ssp. jejuni were similar but were genomically distinct from Camp. jejuni ssp. doylei HS63. The molecular analyses provided a basis for assessing associations between cross-agglutinating strains of Camp. jejuni and for subtyping within those serogroups.

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