Table 2.
MIC of antibiotics for E. coli and P. aeruginosa in the presence of CPP-PNAs.
| E. coli | |||||
|---|---|---|---|---|---|
| Antibiotics | KFF-NC MIC (μg/mL) | KFF-bamB MIC (μg/mL) | KFF-tolC MIC (μg/mL) | KFF-bamB KFF-tolC MIC (μg/mL)a | |
| Vancomycin | 100 | > 200 | 100 | 100 | |
| Actinomycin D | 50 | 25 | 50 | < 6.3 | |
| Novobiocin | 12.5 | 0.8 | 12.5 | < 0.4 | |
| Fusidic acid | 50 | 12.5 | 50 | < 0.4 | |
| 5-Ketoclomazone | > 250 | > 250 | 125 | 62.5 | |
| P. aeruginosa | |||||
|---|---|---|---|---|---|
| Antibiotics | Control (no CPP-PNA) MIC (μg/mL) | RXR-NC MIC (μg/mL) | RXR-bamB MIC (μg/mL) | RXR-oprM MIC (μg/mL) | RXR-bamB RXR-oprM MIC (μg/mL)b |
| Vancomycin | 1024 | 1024 | 256 | 512 | 256 |
| Erythromycin | 128 | 128 | 32 | 64 | < 16 |
| Carbenicillin | 64 | 64 | 8 | 32 | < 4 |
CPP-PNAs were added at the concentration of 5 and 3 μM for E. coli and P. aeruginosa, respectively.
aIn the presence of both CPP-PNAs, equimolar KFF-bamB and KFF-tolC were mixed.
bIn the presence of both CPP-PNAs, equimolar RXR-bamB and RXR-oprM were mixed.