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  • Title: Transfer of beta-lactamase-associated cefoxitin resistance in Bacteroides fragilis.
    Author: Cuchural GJ, Tally FP, Storey JR, Malamy MH.
    Journal: Antimicrob Agents Chemother; 1986 May; 29(5):918-20. PubMed ID: 3488018.
    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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