title: Loss of Hfr DNA from Escherichia coli merozygotes during inhibition of conjugation by nalidixic acid.
mesh_terms: D003227:Conjugation, Genetic; D004269:DNA, Bacterial / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics; D009268:Nalidixic Acid / Q000494:pharmacology*; D011995:Recombination, Genetic / Q000187:drug effects*
chemical_list: D004269:DNA, Bacterial; D009268:Nalidixic Acid