Being pathogenic, plastic, and sexual while living with a nearly minimal bacterial genome
2007

Horizontal Gene Transfer in Mycoplasma agalactiae

publication 10 minutes Evidence: high

Author Information

Author(s): Pascal Sirand-Pugnet, Carole Lartigue, Marc Marenda, Daniel Jacob, Aurélien Barré, Valérie Barbe, Chantal Schenowitz, Sophie Mangenot, Arnaud Couloux, Beatrice Segurens, Antoine de Daruvar, Alain Blanchard, Christine Citti

Primary Institution: Université Bordeaux 2, UMR1090, Villenave d'Ornon, France

Hypothesis

Can Mycoplasma agalactiae acquire genes through horizontal gene transfer from other mycoplasmas?

Conclusion

The study reveals that approximately 18% of the Mycoplasma agalactiae genome has undergone horizontal gene transfer, challenging the notion that mycoplasma evolution is solely driven by genome reduction.

Supporting Evidence

  • Approximately 18% of the Mycoplasma agalactiae genome has undergone horizontal gene transfer.
  • Horizontal gene transfer may involve genes that play a role in mycoplasma-host interactions.
  • The study challenges the accepted view that mycoplasma evolution is driven solely by genome downsizing.
  • Evidence of a conjugative element suggests that gene transfer may occur through a mechanism similar to sexual reproduction.

Takeaway

Mycoplasma agalactiae can share genes with other bacteria, which helps it adapt and survive better in its environment.

Methodology

The genome of Mycoplasma agalactiae was sequenced and analyzed for horizontal gene transfer events with other mycoplasmas.

Limitations

The study primarily focuses on a single strain of Mycoplasma agalactiae, which may not represent all strains.

Digital Object Identifier (DOI)

10.1371/journal.pgen.0030075

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