title: Cellular defense mechanisms against alkylation of DNA.
mesh_terms: D000225:Adenine / Q000031:analogs & derivatives / Q000378:metabolism; D000478:Alkylation; D045647:DNA Glycosylases; D004260:DNA Repair; D004926:Escherichia coli / Q000235:genetics*; D006147:Guanine / Q000031:analogs & derivatives / Q000378:metabolism; D008780:Methyltransferases / Q000378:metabolism; D009154:Mutation; D009699:N-Glycosyl Hydrolases / Q000378:metabolism; D012436:S-Adenosylmethionine / Q000378:metabolism
chemical_list: C025946:3-methyladenine; D006147:Guanine; C008450:7-methylguanine; D012436:S-Adenosylmethionine; D008780:Methyltransferases; D045647:DNA Glycosylases; D009699:N-Glycosyl Hydrolases; D000225:Adenine