Selectivity for thymine over 5-bromouracil by a thymine-requiring bacterium.
D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000096:biosynthesis*; D004926:Escherichia coli / Q000378:metabolism*; D009154:Mutation; D013941:Thymine / Q000378:metabolism*; D014498:Uracil / Q000378:metabolism*
D004269:DNA, Bacterial; D014498:Uracil; D013941:Thymine