TABLE 3.
Susceptibilities of S. marcescens to antibiotics and disinfectantsa
| Strainb | MIC (μg/ml) |
|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PPA | NOR | LOM | OFX | ENX | NAL | KAM | STR | GEM | CAR | AMP | TET | CHL | CPC | BAC | P-12 | CHG | TEG051 | |
| ATCC 13880 | 3.13 | 0.2 | 0.2 | 0.1 | 0.2 | 12.5 | 1.56 | 3.13 | 1.56 | 6.25 | 100 | 50 | 12.5 | 6.25 | 12.5 | 100 | 25 | 100 |
| CRes01 | 25 | 3.13 | 1.56 | 3.13 | 3.13 | 12.5 | 1.56 | 3.13 | 1.56 | 3.13 | 6.25 | 100 | 100 | 50 | 25 | 100 | 100 | 50 |
| CRNS71 | 0.78 | 0.05 | 0.05 | 0.05 | 0.1 | 12.5 | >400 | 1.56 | 1.56 | 3.13 | 6.25 | 3.13 | 3.13 | 1.56 | 3.13 | 12.5 | 3.13 | 6.25 |
| CRNS79 | 0.78 | 0.05 | 0.05 | 0.05 | 0.1 | 12.5 | >400 | 1.56 | 1.56 | 3.13 | 6.25 | 3.13 | 3.13 | 3.13 | 3.13 | 6.25 | 3.13 | 6.25 |
| ATCC 13880/pSTV29 | 3.13 | 0.2 | 0.2 | −c | − | − | 1.56 | − | 6.25 | − | 50 | >400 | − | − | − | − | − | |
| CRes01/pSTV29 | 25 | 3.13 | 1.56 | − | − | − | 1.56 | − | 3.13 | − | 100 | >400 | − | − | − | − | − | |
| CRNS71/pSTV29 | 0.78 | 0.05 | 0.05 | − | − | − | >400 | − | 3.13 | − | 3.13 | >400 | − | − | − | − | − | |
| CRNS71/pSTV29-hasF | 12.5 | 3.13 | 1.56 | − | − | − | >400 | − | 3.13 | − | 50 | >400 | − | − | − | − | − | |
| CRNS79/pSTV29 | 0.78 | 0.05 | 0.05 | − | − | − | >400 | − | 3.13 | − | 3.13 | >400 | − | − | − | − | − | |
| CRNS79/pSTV29-hasF | 12.5 | 3.13 | 1.56 | − | − | − | >400 | − | 3.13 | − | 50 | >400 | − | − | − | − | − | |
a
Abbreviations: PPA, pipemidic acid; NOR, norfloxacin; LOM, lomefloxacin; OFX, ofloxacin; ENX; enoxacin; NAL, nalidixic acid; KAM, kanamycin; STR, streptomycin; GEM, gentamicin; CAR, carbenicillin; AMP, ampicillin; TET, tetracycline; CHL, chloramphenicol; CPC, cetylpyridinium chloride; BAC, benzalkonium chloride; P-12, N-dodecylpyridinium iodide; CHG, chlorhexidine gluconate; TEG051, dodecylbis(aminoethyl)glycine hydrochloride.
b
The plasmid marker of pSTV29 and the transposon marker are kanamycin-resistant genes.
c
−, not done.