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  • Saturday, August 1, 1998
  • Gentamicin resistance in clinical strains of Enterobacteriaceae associated with reduced gentamicin uptake
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  • Seven strains ofEnterobacteriaceae resistant to gentamicin obtained as representatives of the predominant resistance profiles in the clinical laboratories ofRafeidia and Al-Watani Hospitals in Nablus (Palestine) were included. Five strains showed a broad aminoglycoside resistance profile but contained no evidence of gentamicin acetylation, adenylation, or phosphorylation. Gentamicin uptake in two tested strains was significantly reduced, compared to that of gentamicin-sensitiveE. coli (MIC, 0.5 μg/mL.) These strains are likely resistant due to a relative reduction of the amount of gentamicin and other aminoglycosides entering the bacterial cell. Two strains showed evidence of adenyltransferase ANT (2")-I activity.


    Folia Microbiologica, Volume 43, Number 4 / August, 1998


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Nael Abu Al-Hasan
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