TABLE 3.
Antimicrobial susceptibility testing of E. faecium strains with different phenotypes of susceptibility or resistance to glycopeptides
| E. faecium strain | van operon | MIC (mg/liter)a |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Vancomycin |
Teicoplanin |
Daptomycin |
Ciprofloxacin |
||||||
| MH | CAS8 | MH | CAS8 | MH | CAS8 | MH | CAS8 | ||
| UCN103 | vanA | 32 | 256 | 4 | 4 | 4 | 8 | 8 | 8 |
| UCN104 | vanA | 32 | 256 | 2 | 2 | 2 | 4 | >32 | >32 |
| UCN105 | vanA | 4 | 32 | 2 | 2 | 4 | 8 | >32 | >32 |
| Aus0004 | vanB | 8 | 32 | 1 | 1 | 2 | 8 | 2 | 2 |
| UCN 106 | vanB | 16 | 64 | 1 | 1 | 4 | 8 | >32 | >32 |
| UCN 107 | vanB | 16 | 64 | 0.5 | 0.5 | 4 | 8 | >32 | >32 |
| UCN 108 | vanB | 32 | 64 | 0.5 | 0.5 | 4 | 4 | >32 | >32 |
| UCN 109 | vanB | 64 | 256 | 0.25 | 0.5 | 2 | 4 | >32 | >32 |
| UCN 110 | 0.5 | 1 | 0.25 | 1 | 2 | 4 | 2 | 2 | |
| UCN 111 | 0.5 | 1 | 0.12 | 0.25 | 2 | 4 | 4 | 4 | |
| UCN 112 | 1 | 1 | 0.12 | 0.25 | 2 | 4 | 2 | 4 | |
| UCN 113 | 0.5 | 1 | 0.25 | 1 | 2 | 4 | 8 | 8 | |
| UCN 114 | 0.5 | 1 | 0.25 | 0.5 | 1 | 4 | >32 | >32 | |
a
MH, Mueller-Hinton; CAS8, MH plus caspofungin (8 mg/liter).