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  • Title: Kinetics of pair formation during cell cycle of Hfr and F in Escherichia coli K-12.
    Author: Mycielski R, Kociszewska-Kauc B, Baj J.
    Journal: Acta Microbiol Pol; 1977; 26(2):119-28. PubMed ID: 67760.
    Abstract:
    Pair formation ability in mating mixture of synchronized Hfr or F- culture and asynchronous culture of appropriate partner was studied. The obtained results allow to conclude that the pair formation ability of F- cells is stable over the whole cell cycle whereas in Hfr cells is it subject to cyclic changes with maximum in the first half of the cycle.
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