title: Studies on the in vivo methylation of DNA in Escherichia coli 15T.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004261:DNA Replication; D004269:DNA, Bacterial / Q000096:biosynthesis*; D004926:Escherichia coli / Q000378:metabolism*; D008715:Methionine / Q000378:metabolism; D008722:Methods; D008745:Methylation; D013941:Thymine / Q000378:metabolism; D014316:Tritium
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D004269:DNA, Bacterial; D014316:Tritium; D008715:Methionine; D013941:Thymine