title: Shigella sonnei mutants rapidly fermenting lactose. I. Formation and properties.
mesh_terms: D001431:Bacteriological Techniques; D005827:Genetics, Microbial; D007785:Lactose / Q000378:metabolism*; D009154:Mutation; D012764:Shigella sonnei / Q000254:growth & development / Q000378:metabolism*
chemical_list: D007785:Lactose