TABLE 3.
Antibiotic susceptibilities of L. monocytogenes cdaA and cdaR mutants
| Strain | Genotype | MICa (μg/ml) of: |
|||||
|---|---|---|---|---|---|---|---|
| Amoxicillin | Ampicillin | Penicillin | Meropenem | Vancomycin | Gentamicin | ||
| EGD-e | Wild type | 0.058 ± 0.01 | 0.074 ± 0.017 | 0.074 ± 0.017 | 0.064 ± 0.00 | 1.5 ± 0.00 | 0.21 ± 0.035 |
| LMJR45 | ΔcdaR | 0.058 ± 0.01 | 0.074 ± 0.017 | 0.064 ± 0.00 | 0.064 ± 0.00 | 1.5 ± 0.00 | 0.21 ± 0.035 |
| LMJR46 without IPTG | IcdaA | <0.016 | <0.016 | 0.012 ± 0.004 | 0.01 ± 0.002 | 1 ± 0.00 | 0.17 ± 0.038 |
| LMJR46 with IPTG | IcdaA | 0.058 ± 0.01 | 0.074 ± 0.017 | 0.074 ± 0.017 | 0.074 ± 0.017 | 1.67 ± 0.29 | 0.46 ± 0.07 |
a
Antibiotic susceptibilities were calculated from three independent repetitions. Values are averages ± standard deviations.