title: [Mapping of mutations affecting the ability of Escherichia coli purine auxotrophs to use guanine and xanthine for growth].
mesh_terms: D002874:Chromosome Mapping; D004926:Escherichia coli / Q000254:growth & development* / Q000378:metabolism; D006147:Guanine / Q000378:metabolism*; D008967:Molecular Biology; D009154:Mutation; D014970:Xanthines / Q000378:metabolism*
chemical_list: D014970:Xanthines; D006147:Guanine
vernacular_title: Kartirovanie mutatsiĭ, narushaiushchikh sposobnost' purinovykh auksotrofov Escherichia coli ispol'zovat' guanin i ksantin dlia rosta