Interplay of recombination and selection in the genomes of Chlamydia trachomatis
2011

Understanding Recombination and Selection in Chlamydia trachomatis Genomes

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Joseph Sandeep J, Didelot Xavier, Gandhi Khanjan, Dean Deborah, Read Timothy D

Primary Institution: Emory University School of Medicine

Hypothesis

What are the contributions of recombination and selection in the evolution of Chlamydia trachomatis?

Conclusion

Recombination plays a significant role in the genetic diversity of Chlamydia trachomatis, with many genes under positive selection.

Supporting Evidence

  • 836 core genes were identified in C. trachomatis out of a range of 874-927 total genes.
  • The ratio of recombination events compared to mutation was 0.07.
  • Twenty-three genes showed evidence of being under both positive selection and recombination.

Takeaway

This study looks at how Chlamydia trachomatis changes over time by mixing its genes, which helps it survive and adapt.

Methodology

Comparative genomic analyses of 12 complete published C. trachomatis genomes were performed to assess recombination and selection.

Limitations

The study is limited by the number of genomes analyzed, which may not capture all recent recombination events.

Statistical Information

P-Value

p<0.05

Confidence Interval

0.05-0.11

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1745-6150-6-28

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