Table 4.
Inhibitors | Addition | W4573 Ram1292 | AcrAB− Ram1340 | AcrAB++ in Ram1340 | MexCD-OprJ+ in Ram1340 | MexCD+ in Ram1340 |
---|---|---|---|---|---|---|
SCA-112 | None | >667* | >667* | >667* | >667* | >667* |
PMBN | 0.3 | 0.2 | 0.3 | 0.4 | 0.4 | |
NAB7061 | 0.2 | 0.1 | 0.2 | 0.1 | ≤0.1 | |
SCA-107 | None | >590* | >590* | >590* | >590* | >590* |
PMBN | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | |
NAB7061 | 0.7 | 0.7 | 0.7 | 0.4 | ≤0.05 |
PMBN used: 12.5 μg/mL; NAB7061 used : 2 μg/mL. E. coli parental strain W4573(Ram1292) and strains Ram1340(AcrAB−) contain P. aeruginosa efflux pump MexCD+ or MexCD-OprJ+.