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. 2010 Mar 22;54(6):2291–2302. doi: 10.1128/AAC.01525-09

TABLE 3.

Effects of outer membrane protein and efflux pump disruptions on the activity of BAL30072 against P. aeruginosa

Strain Disruption Source or reference MIC (μg/ml)
BAL30072 Meropenem Imipenem Ceftazidime Ciprofloxacin Polymyxin B
B4 None Basilea 0.5 ≤0.06 1 4 2 2
C2 ΔoprD Basilea 0.25 1 32 2 8 4
PAO1 None 2 2 1 2 1 0.25 8
PAO238 Δ(mexAB-oprM) Δ(mexCD-oprJ) 2 0.125 0.5 2 0.5 ≤0.06 8
PAO253 Overproduces (MexEF-OprN), Δ(mexAB-oprM) 8 0.5 0.5 4 0.25 1 4
PAO267 ΔamrRmexZ) Δ(mexAB-oprM) 8 ≤0.06 0.125 1 0.5 ≤0.06 8
PAO750 Δ(mexAB-oprM) Δ(mexCD-oprJ) Δ(mexEF-oprN) Δ(mexJK) Δ(mexXY) ΔopmH ΔpscC 28 ≤0.06 0.5 2 0.5 ≤0.06 8
860 ΔfpvA ΔfpvB ΔfptA ΔpirA Basilea 1 1 Not tested Not tested Not tested Not tested
(560546)9 M.P. ΔfpvA Basilea 1 2 Not tested Not tested Not tested Not tested
134 ΔpfeA Basilea 1 1
BA None Basilea 1 1 1 2 0.25 4
BA(C2-107) Selected with 20 μg/ml BAL30072 This study 8 2 1 2 0.5 4
BA(C1-106) Selected with 25 μg/ml BAL30072 This study 16 1 1 16 0.5 2