title: Repressor-minus and operator-constitutive de-repressed mutants of F-like R factors: their effect on chromosomal transfer by HfrC.
mesh_terms: D002876:Chromosomes, Bacterial / Q000502:physiology*; D003227:Conjugation, Genetic; D004926:Escherichia coli; D005298:Fertility; D005809:Genes, Regulator; D009154:Mutation; D011995:Recombination, Genetic; D012723:Sex