[Beta-lactamase production in Prevotella and in vitro sensitivity to beta-lactamines].
FREQUENCY OF BETA-LACTAMASE ACTIVITY: Prevotella spp. are anaerobic pathogenic bacteria. Among 100 strains isolated, beta-lactamase producing strains accounted for 58%. Fifty-two percent of the strains were pigmented and 63% were non pigmented. ACTIVITY AGAINST BETA-LACTAMASE PRODUCERS: In general, all the antibiotics exhibited higher activity against non producers than against beta-lactamase producers. Minimum inhibitory concentrations for amoxicillin/davulanic acid was lower or equal to 2 mg/l for all strains isolated.
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D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D016866:Bacteroidaceae Infections / Q000188:drug therapy / Q000382:microbiology*; D006801:Humans; D008826:Microbial Sensitivity Tests; D018720:Prevotella / Q000145:classification / Q000201:enzymology* / Q000302:isolation & purification; D012703:Serotyping; D018440:beta-Lactam Resistance; D001618:beta-Lactamases / Q000378:metabolism*; D047090:beta-Lactams
D000900:Anti-Bacterial Agents; D047090:beta-Lactams; D001618:beta-Lactamases