title: Directed integration of bacteriophage lambda in an F lac transposition Hfr strain of Escherichia coli: isolation and characterization of specialized transducing phages for the phenylalanine and tyrosine operons.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D005696:Galactosidases / Q000096:biosynthesis; D005787:Gene Frequency; D005838:Genotype; D007785:Lactose / Q000378:metabolism*; D008242:Lysogeny; D009154:Mutation; D009876:Operon; D010649:Phenylalanine / Q000096:biosynthesis*; D013045:Species Specificity; D014161:Transduction, Genetic; D014443:Tyrosine / Q000096:biosynthesis*
chemical_list: D014443:Tyrosine; D010649:Phenylalanine; D005696:Galactosidases; D007785:Lactose