title: Abortive infection by bacteriophage BF23 due to the colicin Ib factor. I. Genetic studies of nonrestricted and amber mutants of bacteriophage BF23.
mesh_terms: D002874:Chromosome Mapping; D003087:Colicins / Q000378:metabolism*; D003090:Coliphages; D003433:Crosses, Genetic; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D005816:Genetic Complementation Test; D009154:Mutation; D011995:Recombination, Genetic; D012483:Salmonella Phages; D012486:Salmonella typhimurium
chemical_list: D003087:Colicins