TABLE 5

In vitro MICs of various antibiotics against efflux-deficient P. aeruginosa strain MB5890 in the presence of various concentrations of PMBN

AntibioticMIC (μg/ml) at PMBN concn (μg/ml) shown
00.260.661.64.110.225.664
Clindamycin888222NGaNG
Linezolid444222NGNG
Imipenem2210.50.50.5NGNG
Vancomycin>256>256>25612812864NGNG
Colistin0.50.50.250.250.250.125NGNG
Rifampin3232160.0310.0310.016NGNG
Tetracycline0.250.250.250.1250.1250.125NGNG
Ciprofloxacin0.0040.0040.0040.0020.0020.002NGNG
Novobiocin6464641611NGNG
Carbenicillin4440.50.250.25NGNG
Fusidic acid646464881NGNG
Azithromycin8880.50.50.25NGNG
Gentamicin0.50.50.50.250.250.25NGNG
  • a NG, no growth.