Regulation of the Pcol/PcoR quorum-sensing system in Pseudomonas fluorescens 2P24 by the PhoP/PhoQ two-component system.

The article discusses the regulation of the pcol/pcoR quorom-sensing system in Pseudomonas fluorescens 2P24 by the PhoP/PhoO two-component system. It is said that pcol/pcoR is involved in the regulation of root colonization and plant disease-suppressive ability. Furthermore, PhoO is a sensor protein of the regulatory system PhoP/PhoO, which regulates virulence in Salmonella typhimurium and antimicrobial peptide resistance in Pseudomonas aeruginosa. It is cited that through deletion mutagenesis and complementation experiments, the transcription of pcol was demonstrated.