Table 4 Minimum inhibitory concentrations (MICs) of trimethoprim (µg/mL) in E. coli DH5αa and S. maltophilia clinical isolates expressing AXL1 dhfr in the presence of 32 µg/mL sulfamethoxazole.
Strain | MIC | Fold increase | |
|---|---|---|---|
+ pBBR1MCS | + pAXL1dhfr | ||
E. coli DH5αa | < 1 | > 256 | > 256 |
D1585 | 512 | 512 | 0 |
D1571 | 2 | 128 | 64 |
280 | 128 | > 512 | > 4 |
SMDP92 | 128 | > 512 | > 4 |
ATCC13637 | 32 | 256 | 8 |