Construction of a series of mutants lacking all of the four majormexoperons for multidrug efflux pumps or possessing each one of the operons fromPseudomonas aeruginosaPAO1: MexCD-OprJ is an inducible pump

Abstract
We constructed a series of deletion mutants lacking all of the four major mex operons for Mex multidrug efflux pumps or possessing each one of the op