TABLE 1.
MICs and MBCs of the antibiotics used in the present study for L. monocytogenes EGD serotype 1/2a
| Antibiotic | MICa (mg/liter) in:
|
MBCb (mg/liter) in TSB | |
|---|---|---|---|
| TSB | Culture medium | ||
| Ampicillin | 0.37 ± 0.23 (8) | 0.30 ± 0.12 (8) | >64 |
| Meropenem | 0.050 ± 0.000 (4) | 0.072 ± 0.005 (4) | >64 |
| Ciprofloxacin | 1.36 ± 0.06 (3) | 1.40 ± 0.17 (3) | 4 |
| Moxifloxacin | 0.54 ± 0.05 (5) | 0.58 ± 0.04 (5) | 2 |
| Azithromycin | 0.37 ± 0.11 (3) | 0.43 ± 0.06 (3) | >64 |
| Gentamicin | 0.77 ± 0.06 (3) | 0.83 ± 0.06 (3) | 4 |
a
Arithmetic dilutions (0.1-μg/ml increments were used for all antibiotics except meropenem (for which [0.01-μg/ml increments were used]). Values are means ± standard deviations the number of independent determinations is given in parentheses).
b
Geometric dilutions.