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Antimicrobial susceptibility of cells expressing MexA variants.
| Minimal Inhibitory Concentration (MIC, µg/mL) | ||
|---|---|---|
| Strain | Ticarcillin | Aztreonam |
| PAO1 | 32 | 4 |
| PAO1 pUCP24-mexAB-oprM wt | 64 | 8 |
| PAO1 pUCP24-mexA D113A mexB-oprM | 32 | 4 |
| PAO1 pUCP24-mexA Q93R mexB-oprM | 128 | 32 |
| PAO1 pUCP24-mexA D113A + Q93R mexB-oprM | 32 | 4 |
