Extended Sequence Typing of Campylobacter spp.
Author Information
Author(s): Dingle Kate E., McCarthy Noel D., Cody Alison J., Peto Tim E.A., Maiden Martin C. J.
Primary Institution: University of Oxford
Hypothesis
The study aims to enhance the discriminatory power of Campylobacter spp. typing methods.
Conclusion
The 10-locus typing scheme is highly effective for distinguishing between C. jejuni and C. coli isolates and can help identify outbreaks.
Supporting Evidence
- The discriminatory index increased from 0.975 to 0.992 with the new typing method.
- Clusters of identical isolates were detected, suggesting potential undetected outbreaks.
- Temporal clustering of isolates indicates they may be linked to common sources.
Takeaway
The researchers found a better way to tell different types of Campylobacter germs apart, which can help track where infections come from.
Methodology
The study used a 10-locus typing scheme combining multilocus sequence typing with antigen gene sequencing to analyze 620 clinical isolates.
Limitations
The study was based solely on laboratory isolates, lacking additional epidemiological information.
Participant Demographics
Isolates were obtained from 584 persons with human campylobacteriosis in Oxfordshire, UK.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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