title: Genetic fusions that place the lactose genes under histidine operon control.
mesh_terms: D002876:Chromosomes, Bacterial; D004251:DNA Transposable Elements; D004274:DNA, Recombinant; D005786:Gene Expression Regulation; D005816:Genetic Complementation Test; D006639:Histidine / Q000235:genetics*; D006642:Histidinol-Phosphatase / Q000378:metabolism; D007763:Lac Operon; D009876:Operon; D010957:Plasmids; D012486:Salmonella typhimurium / Q000235:genetics; D001616:beta-Galactosidase / Q000378:metabolism
chemical_list: D004251:DNA Transposable Elements; D004274:DNA, Recombinant; D006639:Histidine; D006642:Histidinol-Phosphatase; D001616:beta-Galactosidase