An Expanded Inventory of Conserved Meiotic Genes Provides Evidence for Sex in Trichomonas vaginalis
2008

Meiosis Genes in Trichomonas vaginalis

publication 10 minutes Evidence: high

Author Information

Author(s): Malik Shehre-Banoo, Pightling Arthur W., Stefaniak Lauren M., Schurko Andrew M., Logsdon John M. Jr

Primary Institution: University of Iowa

Hypothesis

Does Trichomonas vaginalis possess meiotic genes that suggest it may have the capacity for sexual reproduction?

Conclusion

The study found that Trichomonas vaginalis contains 27 out of 29 meiotic genes, suggesting it may have the potential for meiosis.

Supporting Evidence

  • Trichomonas vaginalis has homologs of 27 of 29 meiotic genes.
  • Meiosis has not been observed in Trichomonas vaginalis, but the presence of meiotic genes suggests potential for sexual reproduction.
  • The study provides a toolkit for detecting meiosis in other organisms.

Takeaway

Scientists looked for genes that help with reproduction in a tiny organism called Trichomonas vaginalis and found many that suggest it might be able to reproduce sexually, even though it usually doesn't.

Methodology

The researchers surveyed genomes of various organisms for meiotic genes and analyzed the presence of these genes in Trichomonas vaginalis.

Limitations

The study does not confirm whether meiosis actually occurs in Trichomonas vaginalis, as it has not been observed directly.

Digital Object Identifier (DOI)

10.1371/journal.pone.0002879

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication