Development of resistance in Pseudomonas aeruginosa to broad-spectrum cephalosporins via step-wise mutations.

doi:10.1093/jac/32.suppl_b.75

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Article

Development of resistance in Pseudomonas aeruginosa to broad-spectrum cephalosporins via step-wise mutations.

The Journal of antimicrobial chemotherapy - 1 Nov 1993

Gradelski E, Fung-Tomc J, Huczko E, Kessler R E

Abstract excerpt

Step-wise resistance to cefepime, ceftazidime, cefotaxime, and cefpirome were determined for 16 Pseudomonas aeruginosa strains by daily transfer for 7 days to fresh media containing two-fold serial dilution of antibiotic. By the third transfer 4 of 16 strains (25%) were resistant (MIC > or = 32 m...

Topics

Cephalosporins
Drug Resistance, Microbial
Humans
Microbial Sensitivity Tests
Mutation
Pseudomonas Infections
Pseudomonas aeruginosa

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