TABLE 2.
MICs in MHB with 0.25% arabinose after introduction of second pmrB alleles into PA14 and pmrBL172del backgrounds
| Background strain | attTn7 allele | MIC (μg/ml) (fold change)a |
|
|---|---|---|---|
| POL7080 | Colistin MIC | ||
| PA14 | 0.05 | 0.44 | |
| PA14 | pmrBWT | 0.10 (2) | 0.44 (1) |
| PA14 | pmrBL172del | 0.80 (16) | 1.8 (4) |
| PA14 | pmrBG188S | 0.10 (2) | 0.88 (2) |
| PA14 | pmrBG188D | 0.40 (8) | 1.8 (4) |
| PA14-pmrBL172del | 1.6 | 7.0 | |
| PA14-pmrBL172del | pmrBWT | 0.8 (0.5) | 3.5 (0.5) |
a
The fold change in MIC, relative to the background strain, is indicated in parentheses.