Table 1.
Bacterial strains used in decontamination assays
| Bacterial strains | Drug resistance
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMP | ATM | CTX | FOX | COL | CN | IPM | MEM | OFX | OX | P | VA | |
| Staphylococcus aureus | S | R | S | S | R | S | S | S | S | S | S | S |
| ATCC 25923 | ||||||||||||
| Escherichia coli | I | S | S | S | S | S | S | S | S | R | R | R |
| ATCC 25922 | ||||||||||||
| Pseudomonas aeruginosa | R | S | S | R | S | S | S | S | S | R | R | R |
| ATCC BAA-47 | ||||||||||||
| S. aureus | R | R | R | R | R | I | R | R | R | R | R | S |
| SA2-R73 | (128) | (>256) | (>256) | (>256) | (>256) | (0.25) | (>256) | (48) | (8) | >256 | (>256) | (3) |
| E. coli | R | S | S | R | R | S | S | S | S | R | R | R |
| EC-R60 | (>256) | (0.47) | (0.64) | (96) | (128) | (2) | (0.38) | (0.64) | (0.19) | (>256) | (>256) | (>256) |
| P. aeruginosa | R | S | R | R | S | R | S | S | S | R | R | R |
| PA-V6 | (>256) | (24) | (48) | (>256) | (8) | (12) | (4) | (0.75) | (2) | (>256) | (>256) | (>256) |
Note: MICs (µg/mL) of hospital isolates are also reported in parentheses.
Abbreviations: AMP, ampicillin 10 µg; ATM, aztreonam 30 µg; CTX, cefotaxime 30 µg; FOX, cefoxitin 30 µg; COL, colistin 10 µg; CN, gentamicin 10 µg; IPM, imipenem 10 µg; MEM, meropenem 10 µg; OFX, ofloxacin 5 µg; OX, oxacillin 1 µg; P, penicillin 10 IU; VA, vancomycin 30 µg; MIC, minimal inhibitory concentration; ATCC, American Type Culture Collection; S, susceptible; I, intermediate; R, resistant.