TABLE 3.
Effect of Ca2+ on susceptibility to gentamicin in various strains
| Strain | Description | MIC of gentamicin (μg/ml) with Ca2+ at:
|
|||
|---|---|---|---|---|---|
| 8 mM | 2 mM | 0.5 mM | 0 mM | ||
| PAM1020 | Wild type | >16 | 8 | 1 | 0.25 |
| PAM1032 | nalB | 16 | 4 | 1 | 0.25 |
| PAM1154 | PAM1020 oprM::ΩHg | 0.5 | 0.13 | 0.13 | 0.13 |
| PAM2378 | PAM1020 mexX::Tn501 | 0.25 | 0.13 | 0.13 | 0.13 |
| PAM1147 | PAM1032 mxyR1 | >16 | 16 | 8 | 2 |
| PAM1660 | PAM1147 oprM::ΩHg | 0.5 | 0.25 | 0.13 | 0.13 |
| PAM2381 | PAM1147 mexX::Tn501 | 0.5 | 0.13 | 0.13 | 0.13 |