FtsK-Dependent Dimer Resolution on Multiple Chromosomes in the Pathogen Vibrio cholerae
2008

How Vibrio cholerae Resolves Chromosome Dimers

publication Evidence: high

Author Information

Author(s): Val Marie-Eve, Sean P. Kennedy, Meriem El Karoui, Laetitia Bonné, Fabien Chevalier, François-Xavier Barre

Primary Institution: CNRS, Centre de Génétique Moléculaire, UPR 2167, Gif-sur-Yvette, France

Hypothesis

How does FtsK control dimer resolution on the two chromosomes of Vibrio cholerae?

Conclusion

The study shows that FtsK coordinates dimer resolution with cell division for both chromosomes of Vibrio cholerae.

Supporting Evidence

  • Vibrio cholerae has two distinct circular chromosomes.
  • FtsK controls the addition of a crossover at specific sites on both chromosomes.
  • Dimer resolution is coordinated with cell division.

Takeaway

Vibrio cholerae has two circular chromosomes, and this study found that a protein called FtsK helps to fix problems that can happen when these chromosomes get tangled together during cell division.

Methodology

The study involved experiments comparing the growth of V. cholerae strains deficient in chromosome dimer resolution to their parental strains in rich media.

Digital Object Identifier (DOI)

10.1371/journal.pgen.1000201

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