Wide Distribution of a High-Virulence Borrelia burgdorferi Clone in Europe and North America
2008

High-Virulence Borrelia burgdorferi Clone in Europe and North America

Sample size: 68 publication Evidence: high

Author Information

Author(s): Qiu Wei-Gang, Bruno John F., McCaig William D., Xu Yun, Livey Ian, Schriefer Martin E., Luft Benjamin J.

Primary Institution: Hunter College of the City University of New York

Hypothesis

How has the high-virulence Borrelia burgdorferi clone dispersed across Europe and North America?

Conclusion

The ospC-A clone of Borrelia burgdorferi has rapidly spread across Europe and North America, contributing to the rise of Lyme disease incidence.

Supporting Evidence

  • The ospC-A clone was found to be highly prevalent on both continents.
  • Isolates of the ospC-A clone were uniform in DNA sequences, suggesting recent trans-oceanic migration.
  • The study identified significant genetic differentiation between North American and European populations.

Takeaway

Scientists studied a type of bacteria that causes Lyme disease and found that a specific strain is spreading quickly in both Europe and North America.

Methodology

The study sequenced 68 isolates from both continents at multiple genetic loci to analyze their phylogenetic relationships.

Limitations

The European isolates were from an archived collection rather than systematic surveys, which may not fully represent the diversity in Europe.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.3201/eid1407.070880

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