Volume 11, Number 6—June 2005
Dispatch
armA and Aminoglycoside Resistance in Escherichia coli
Bruno González-Zorn*, Tirushet Teshager*, María Casas†, María C. Porrero*, Miguel A. Moreno*
, Patrice Courvalin‡, and Lucas Domínguez*
, Patrice Courvalin‡, and Lucas Domínguez*
Table
Minimum inhibitory concentrations (MICs) of various antimicrobial agents for Escherichia coli MUR050 and E. coli with and without armA
| MIC (μg/mL)* |
|||||
|---|---|---|---|---|---|
| E. coli | Amikacin | Tobramycin | Netilmicin | Gentamicin | Ciprofloxacin |
| MUR050 | >256 | >256 | >256 | >256 | >32 |
| INVαF´ | 0.5 | 0.5 | 0.5 | 0.75 | 0.002 |
| INVαF´ (pMUR050) | >256 | >256 | >256 | >256 | 0.002 |
| INVαF´ (p18MUR050) | >256 | >256 | >256 | >256 | 0.002 |
| INVαF´ (parmA) | >256 | >256 | >256 | >256 | 0.002 |
*MICs were determined by Etest (AB Biodisk).
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