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Polymyxin B susceptibility of V. cholerae strains overexpressing leuO at mid-log phase
| Strain | MICa (μg/ml) (SD) |
|---|---|
| WT (pBAD18Km) | 118 (13.4) |
| WT (pBAD18Km-leuO) | 40b (15.9) |
| ΔleuO (pBAD18Km) | 294 (45.6) |
| ΔleuO (pBAD18Km-leuO) | 56c (5.6) |
The MIC was determined using PXB gradient agar plates with mid-log-phase LB broth cultures.
P value of ≤0.01 relative to WT pBAD18Km.
P value of ≤0.01 relative to ΔleuO pBAD18Km.
