TABLE 2.
MICs of antimicrobials and disinfectants against representative colistin-resistant A. baumannii strains
| Agent (MIC units) | MIC for: |
|||||
|---|---|---|---|---|---|---|
| Wild-type ATCC 19606 |
lpxACD mutants |
pmrAB mutants |
||||
| KL001S | KL037S | KL055S | CM022S | CM012S | ||
| Colistin (μg/mL) | 2 | 128 | 128 | 128 | 1,024 | 1,024 |
| Meropenem (μg/mL) | 0.5 | <0.016 | <0.016 | <0.016 | 0.5 | 0.25 |
| Amikacin (μg/mL) | 16 | 1 | 0.5 | 0.5 | 16 | 16 |
| Ciprofloxacin (μg/mL) | 2 | 0.125 | 0.125 | 0.0625 | 1 | 1 |
| Tigecycline (μg/mL) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Ethanol (%) | 3.125 | 3.125 | 3.125 | 3.125 | 3.125 | 3.125 |
| H2O2 (%) | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 |
| SDS (%) | 0.5 | 0.004 | 0.004 | 0.004 | 0.25 | 0.25 |
| Benzalkonium (%) | 0.0006 | 0.00016 | 0.00016 | 0.000078 | 0.0006 | 0.0006 |