Genetic Evidence for a Link Between Glycolysis and DNA Replication
2007

Link Between Glycolysis and DNA Replication

publication Evidence: high

Author Information

Author(s): Jannière Laurent, Canceill Danielle, Suski Catherine, Kanga Sophie, Dalmais Bérengère, Lestini Roxane, Monnier Anne-Françoise, Chapuis Jérôme, Bolotin Alexander, Titok Marina, Chatelier Emmanuelle, Le Ehrlich S. Dusko

Primary Institution: Laboratoire de Génétique Microbienne, INRA, Jouy en Josas, France

Hypothesis

Is there a genetic link between glycolysis and DNA replication in Bacillus subtilis?

Conclusion

The study provides evidence that glycolysis is linked to DNA synthesis, affecting cell viability under certain conditions.

Supporting Evidence

  • Glycolytic mutations can suppress temperature-sensitive mutations in DNA replication.
  • Restoration of cell viability was linked to the activity of the three-carbon part of glycolysis.
  • The study identified specific metabolic genes that, when mutated, restored growth to replication mutants.

Takeaway

This study shows that how cells make energy from sugar can help them copy their DNA, which is really important for cell growth.

Methodology

The researchers analyzed suppressors of thermosensitive replication mutants in Bacillus subtilis to establish the link between glycolysis and DNA synthesis.

Digital Object Identifier (DOI)

10.1371/journal.pone.0000447

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