| enzymatic modification of aminoglycoside antibiotics in gentamicin-resistant gram-negative bacteria. | an in vitro evaluation of 32 gentamicin-resistant, gram-negative bacteria from hygiene-centres in berne, switzerland and bratislava, czechoslovakia, revealed that 24 strains produced gentamicin-modifying enzymes. occurrence of acetyltransferases (aac) was confirmed in 16 strains, adenylyltransferase (aad) /2''/ was observed in 13 strains while 5 of the gentamicin-resistant strains produced both enzymes. all czechoslovak strains were amikacin-susceptible, in amikacin-resistant pseudomonas aerugin ... | 1984 | 6091367 |