Multi-Locus Sequence Analysis Reveals Profound Genetic Diversity among Isolates of the Human Pathogen Bartonella bacilliformis
2011

Genetic Diversity of Bartonella bacilliformis

Sample size: 43 publication Evidence: moderate

Author Information

Author(s): Chaloner Gemma L., Palmira Ventosilla, Birtles Richard J.

Primary Institution: Institute of Infection and Global Health, University of Liverpool

Hypothesis

How are the strains of Bartonella bacilliformis related to one another in endemic and new foci regions?

Conclusion

The study found that one sequence type of Bartonella bacilliformis is so genetically distinct that it may represent a new species.

Supporting Evidence

  • MLST identified eight sequence types among the 43 isolates.
  • One sequence type, ST8, showed significant genetic divergence from others.
  • Phylogenetic analysis suggested ST8 may represent a novel Bartonella genospecies.

Takeaway

Scientists studied bacteria that cause a disease in Peru and found a type that is so different it might be a new kind of bacteria.

Methodology

The study used multi-locus sequence typing (MLST) to analyze 43 isolates of Bartonella bacilliformis.

Limitations

The study's sample may not fully represent the diversity of genotypes circulating in Peru.

Participant Demographics

Isolates were collected from patients across Peru, with varying ages and disease manifestations.

Statistical Information

P-Value

0.042

Statistical Significance

p=0.042

Digital Object Identifier (DOI)

10.1371/journal.pntd.0001248

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication