Survival of Escherichia coli exposed to visible light in seawater: analysis of rpoS-dependent effects.

@article{Gourmelon1997SurvivalOE,
  title={Survival of Escherichia coli exposed to visible light in seawater: analysis of rpoS-dependent effects.},
  author={Mich{\`e}le Gourmelon and Dani{\`e}le Touati and Monique Pommepuy and Michel Cormier},
  journal={Canadian journal of microbiology},
  year={1997},
  volume={43 11},
  pages={1036-43}
}
We investigated the effect of visible light on Escherichia coli in seawater microcosms. Escherichia coli lost its ability to form colonies in marine environments when exposed to artificial continuous visible light. Survival of illuminated bacteria during the stationary phase was drastically reduced in the absence of the sigma factor (RpoS or KatF) that regulates numerous genes induced in this phase. In the stationary phase, double catalase mutants katE katG and mutants defective in the protein… CONTINUE READING

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