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  • Title: Effects of inhibition of the B subunit of DNA gyrase on conjugation in Escherichia coli.
    Author: Hooper DC, Wolfson JS, Tung C, Souza KS, Swartz MN.
    Journal: J Bacteriol; 1989 Apr; 171(4):2235-7. PubMed ID: 2539364.
    Abstract:
    Antagonism of the DNA gyrase B subunit in the donor bacterium by coumermycin or thermal inactivation inhibited transfer of plasmid R64drd-11. Coumermycin also inhibited Hfr transfer, with kinetics after drug removal suggesting that transfer resumed from the point of inhibition, in contrast to inhibition with nalidixic acid, after which transfer reinitiated from the origin of transfer.
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