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. 1977 Jan;11(1):142-6.
doi: 10.1128/AAC.11.1.142.

Beta-Lactamase activity in strains of Bacteroides melaninogenicus and Bacteroides oralis

A A Salyers, J Wong, T D Wilkins

Beta-Lactamase activity in strains of Bacteroides melaninogenicus and Bacteroides oralis

A A Salyers et al. Antimicrob Agents Chemother. 1977 Jan.

Abstract

beta-Lactamase from strains of Bacteroides melaninogenicus and Bacteroides oralis hydrolyzed penicillin more rapidly than ampicillin or carbenicillin. Cephalothin and a chromogenic cephalosporin (87/312) were also hydrolyzed by the enzyme. Activity was found only in beta-lactam-resistant strains, but there was considerable variation in activity among strains having the same minimal inhibitory concentrations of antibiotic. beta-Lactamase activity was cell bound and appeared to be tightly associated with the cell envelope since detergents were required to elute this activity.

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References

    1. Antimicrob Agents Chemother. 1972 Apr;1(4):283-8 - PubMed
    1. Antimicrob Agents Chemother. 1972 Feb;1(2):94-9 - PubMed
    1. Antimicrob Agents Chemother. 1972 Feb;1(2):148-58 - PubMed
    1. Antimicrob Agents Chemother. 1976 Jul;10(1):106-11 - PubMed
    1. Antimicrob Agents Chemother. 1973 Mar;3(3):369-72 - PubMed

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