title: The Northrop hypothesis and the origins of a virus-induced enzyme.
authors.forename: S S
authors.initials: SS
authors.lastname: Cohen
mesh_terms: D044503:5-Methylcytosine / Q000031:analogs & derivatives; D003596:Cytosine / Q000031:analogs & derivatives / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis / Q000096:biosynthesis / Q000235:genetics; D004926:Escherichia coli / Q000201:enzymology* / Q000235:genetics; D049673:History, 20th Century; D019877:Hydroxymethyl and Formyl Transferases; D008954:Models, Biological; D013604:T-Phages / Q000235:genetics / Q000502:physiology*; D014166:Transferases / Q000378:metabolism; D014481:United States
chemical_list: D004279:DNA, Viral; C011865:5-hydroxymethylcytosine; D044503:5-Methylcytosine; D003596:Cytosine; D014166:Transferases; D019877:Hydroxymethyl and Formyl Transferases; C100226:deoxycytidylate hydroxymethyltransferase