title: Elimination of promoter function by base modification of DNA.
mesh_terms: D001483:Base Sequence; D003090:Coliphages / Q000201:enzymology; D011088:DNA Ligases / Q000378:metabolism; D004262:DNA Restriction Enzymes; D004279:DNA, Viral; D004926:Escherichia coli / Q000201:enzymology; D005814:Genes, Viral; D011069:Poly I / Q000378:metabolism
chemical_list: D004279:DNA, Viral; D011069:Poly I; D004262:DNA Restriction Enzymes; D011088:DNA Ligases