title: Specialized transducing phages carrying fusions of the trp and lac regions of the E. coli chromosome.
mesh_terms: D002874:Chromosome Mapping; D002875:Chromosomes; D003090:Coliphages; D004926:Escherichia coli; D005696:Galactosidases / Q000096:biosynthesis; D005827:Genetics, Microbial; D008242:Lysogeny; D009154:Mutation; D014161:Transduction, Genetic
chemical_list: D005696:Galactosidases