title: Characterization of V-prime factors in Escherichia coli K-12.
abstract: An episome derived from an Hfr(v) (Hfr isolated from a V colicinogenic parent) strain of Escherichia coli K-12 was isolated and characterized. The direction of gene transfer was inverted from that in the original parental strain.
mesh_terms: D002876:Chromosomes, Bacterial; D003087:Colicins / Q000096:biosynthesis*; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000378:metabolism*; D005144:F Factor; D008954:Models, Biological; D011995:Recombination, Genetic
chemical_list: D003087:Colicins