Proc Natl Acad Sci U S A
August 2009
This report describes the identification and analysis of a 2-component regulator of Pseudomonas aeruginosa that is a potential aminoglycoside antibiotic combination therapy target. The regulator, AmgRS, was identified in a screen of a comprehensive, defined transposon mutant library for functions whose inactivation increased tobramycin sensitivity. AmgRS mutations enhanced aminoglycoside action against bacteria grown planktonically and in antibiotic tolerant biofilms, against genetically resistant clinical isolates, and in lethal infections of mice.
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