title: Methylation of DNA in ultraviolet-irradiated bacteria.
mesh_terms: D000225:Adenine / Q000032:analysis; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D003596:Cytosine / Q000032:analysis; D004247:DNA / Q000302:isolation & purification; D004269:DNA, Bacterial / Q000302:isolation & purification / Q000378:metabolism* / Q000528:radiation effects; D003851:Deoxyribonucleases; D004926:Escherichia coli / Q000032:analysis / Q000254:growth & development / Q000378:metabolism / Q000528:radiation effects*; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D008780:Methyltransferases; D009691:Nucleic Acid Denaturation; D010179:Pancreas / Q000201:enzymology; D011830:Radiation Effects; D012260:Ribonucleases; D012436:S-Adenosylmethionine; D013997:Time Factors; D014316:Tritium; D014466:Ultraviolet Rays; D014498:Uracil / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D014316:Tritium; D014498:Uracil; D012436:S-Adenosylmethionine; D003596:Cytosine; D004247:DNA; D008715:Methionine; D008780:Methyltransferases; D003851:Deoxyribonucleases; D012260:Ribonucleases; D000225:Adenine