Table 1. Strains used in this study and their susceptibilities to doxycycline, chloramphenicol, and the compounds 1–4.
| Strains | Relevant phenotype | Source and reference | Minimal Inhibitory Concentration mg/L (μM)* | |||||
|---|---|---|---|---|---|---|---|---|
| DOX | CHL | 1 | 2 | 3 | 4 | |||
| PA01 | wt | P. Plésiat [20] | 32 | 256 | > 85 (>250) | > 81 (>250) | 25 (62.5) | 49 (125) |
| PT629 | Mex AB overproducer | P. Plésiat [21] | >32 | 512 | > 85 (>250) | > 81 (>250) | 25 (62.5) | 49 (125) |
| PA01 ERYR | Mex CD overproducer | P. Plésiat [22] | 16 | 256 | > 85 (>250) | > 81 (>250) | 25 (62.5) | 25 (62.5) |
| PA0-7H | Mex EF overproducer | P. Plésiat [23] | >32 | >1024 | 85 (250) | > 81 (>250) | 25 (62.5) | 49 (125) |
| CMZ091 | Mex XY overproducer | P. Plésiat [24] | 32 | 256 | 85 (250) | > 81 (>250) | 25 (62.5) | 49 (125) |
| FB1 | Mex B deleted | P. Plésiat [25] | 32 | 8 | 85 (250) | > 81 (>250) | 25 (62.5) | 49 (125) |
DOX, doxycycline; CHL, chloramphenicol.
* Results are the mean of 3 independent experiments.