Salmonella typhimurium encodes an SdiA homolog, a putative quorum sensor of the LuxR family, that regulates genes on the virulence plasmid.

@article{Ahmer1998SalmonellaTE,
  title={Salmonella typhimurium encodes an SdiA homolog, a putative quorum sensor of the LuxR family, that regulates genes on the virulence plasmid.},
  author={Brian M M Ahmer and Jeroen van Reeuwijk and Cynthia Dawn Timmers and Preetha Valentine and Fred Heffron},
  journal={Journal of bacteriology},
  year={1998},
  volume={180 5},
  pages={1185-93}
}
Quorum sensing is a phenomenon in which bacteria sense and respond to their own population density by releasing and sensing pheromones. In gram-negative bacteria, quorum sensing is often performed by the LuxR family of transcriptional regulators, which affect phenotypes as diverse as conjugation, bioluminescence, and virulence gene expression. The gene encoding one LuxR family member, named sdiA (suppressor of cell division inhibition), is present in the Escherichia coli genome. In this report… CONTINUE READING
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