title: Host-induced modification-restriction and the utilization of 5-bromouracil by thymineless mutants of Escherichia coli.
abstract: An m(k) (-)r(k) (-) mutation exerted no measurable effect on 5-bromouracil incorporation by a thymineless derivative of Escherichia coli K.
mesh_terms: D002247:Carbon Isotopes; D004269:DNA, Bacterial / Q000096:biosynthesis; D004926:Escherichia coli / Q000254:growth & development / Q000378:metabolism*; D008967:Molecular Biology; D009154:Mutation; D014316:Tritium; D014498:Uracil / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D014316:Tritium; D014498:Uracil