Antibacterial activity of netilmicin, a new aminoglycoside antibiotic, compared with that of gentamicin
- PMID: 301004
- PMCID: PMC351997
- DOI: 10.1128/AAC.11.3.402
Antibacterial activity of netilmicin, a new aminoglycoside antibiotic, compared with that of gentamicin
Abstract
The antibacterial activity of netilmicin (Sch 20569), a new semisynthetic aminoglycoside, was compared with that of gentamicin against a variety of gram-negative bacteria, staphylococci, and streptococci. Both antibiotics had similar activity against most organisms, but netilmicin had appreciably greater activity against gram-negative organisms that were resistant to gentamicin because these species synthesized aminoglycoside 3-N-acetyltransferase I or aminoglycoside 2''-O-nucleotidyltransferase. Netilmicin was also more active than gentamicin against gentamicin-resistant strains of Staphylococcus aureus that produced two enzymes-aminoglycoside-2''-O-phosphotransferase and aminoglycoside-6'-N-acetyltransferase.
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