In vitro activities of the oxazolidinone antibiotics U-100592 and U-100766 against Staphylococcus aureus and coagulase-negative Staphylococcus species | Zendy

J H Jorgensen | Zendy; M. Leticia McElmeel | Zendy; C W Trippy | Zendy

Open Access

In vitro activities of the oxazolidinone antibiotics U-100592 and U-100766 against Staphylococcus aureus and coagulase-negative Staphylococcus species

Author(s) -

J H Jorgensen,

M. Leticia McElmeel,

C W Trippy

Publication year - 1997

Publication title -

antimicrobial agents and chemotherapy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.07

H-Index - 259

eISSN - 1070-6283

pISSN - 0066-4804

DOI - 10.1128/aac.41.2.465

Subject(s) - staphylococcus aureus , microbiology and biotechnology , coagulase , staphylococcus , agar dilution , antibiotics , biology , micrococcaceae , agar , antibacterial agent , in vitro , agar dilution method , bacteria , minimum inhibitory concentration , biochemistry , genetics

U-100592 and U-100766 are closely related antibiotics of the oxazolidinone class. Their in vitro activities were determined against 100 isolates of Staphylococcus aureus and 100 isolates of coagulase-negative Staphylococcus species by broth and agar dilution test methods. The MICs of both compounds by either test method at which 50 and 90% of isolates are inhibited were 2 and 4 micrograms/ml, respectively, for S. aureus and 1 to 2 micrograms/ml for coagulase-negative staphylococci. Time-kill assay with selected strains indicated a primarily bacteriostatic effect against staphylococci.

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