Genomic Features of Campylobacter jejuni subsp. doylei
Author Information
Author(s): Parker Craig T, Miller William G, Horn Sharon T, Lastovica Albert J
Primary Institution: Produce Safety and Microbiology Research Unit, Agricultural Research Service, US. Department of Agriculture, Albany, CA, USA
Hypothesis
What genomic features distinguish Campylobacter jejuni subsp. doylei from subsp. jejuni?
Conclusion
C. jejuni subsp. doylei strains are phylogenetically distinct from C. jejuni subsp. jejuni strains and exhibit unique genomic characteristics.
Supporting Evidence
- Cjd strains are primarily isolated from human clinical samples and are associated with bacteremia.
- The study identified six novel sequence types (STs) among the Cjd strains.
- Cjd strains exhibited divergence from Cjj strains in many hypervariable regions.
- The absence of certain virulence genes in Cjd strains may relate to their pathogenicity.
Takeaway
This study looked at a type of bacteria called Campylobacter and found that one type is different from another type in important ways.
Methodology
The study used multilocus sequence typing (MLST) and a DNA microarray-based comparative genomic indexing (CGI) approach.
Limitations
The small sample size of Cjd strains limits the resolution of the study's hypotheses.
Digital Object Identifier (DOI)
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