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. 1986 May;29(5):918-20.
doi: 10.1128/AAC.29.5.918.

Transfer of beta-lactamase-associated cefoxitin resistance in Bacteroides fragilis

G J Cuchural Jr, F P Tally, J R Storey, M H Malamy

Transfer of beta-lactamase-associated cefoxitin resistance in Bacteroides fragilis

G J Cuchural Jr et al. Antimicrob Agents Chemother. 1986 May.

Abstract

A cefoxitin-resistant Bacteroides fragilis isolate, TAL 4170, which inactivates cefoxitin, was able to transfer beta-lactamase-mediated cefoxitin resistance to a susceptible B. fragilis recipient. Cefoxitin-resistant transconjugants acquired a new beta-lactamase with a pI of 8.1 and were able to inactivate cefoxitin and retransfer cefoxitin resistance. No plasmids were detected in the donor or transconjugants.

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