title: [Interaction between RNA polymerase and DNA].
mesh_terms: D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D003090:Coliphages; D004247:DNA; D004269:DNA, Bacterial; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases; D004926:Escherichia coli / Q000201:enzymology; D008854:Microscopy, Electron; D014461:Ultracentrifugation
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D004247:DNA; D012321:DNA-Directed RNA Polymerases