title: [Fractionation on Sephadex of an aqueous extract of thymus gland manifesting a regulatory action on RNA synthesis by E. coli B].
mesh_terms: D004926:Escherichia coli / Q000378:metabolism*; D012329:RNA, Bacterial / Q000096:biosynthesis*; D013950:Thymus Gland; D014020:Tissue Extracts / Q000494:pharmacology*; D014529:Uridine / Q000378:metabolism
chemical_list: D012329:RNA, Bacterial; D014020:Tissue Extracts; D014529:Uridine
vernacular_title: Frazionamento su Sephadex di un estratto acquoso di timo esplicante attivitá refolatrice sulla sintesi di RNA da parte di E. coli B