Pseudomonas aeruginosa is a bacterium causing a wide spectrum of nosocomial and opportunistic respiratory infections. As an element essential for bacterial metabolism , phosphorus is incorporated as an inorganic phosphate and regulated by a two-component PhoB-PhoR system. Recently, it has been shown that as a result of overexpression of virulence factors, including the PhoB transcription factor, P. aeruginosa exhibited increased virulence in phosphate-deficient conditions. Exploration of the relationship between phosphate homeostasis and P. aeruginosa virulence could effectively contribute to the development of new, simple and innovative therapeutic strategies.
Keywords: Infection; Phosphate; Virulence.
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