title: Comparison of the effect of ultraviolet radiation and ethidium bromide intercalation on the conformation of superhelical phiX174 replicative form DNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004261:DNA Replication; D004279:DNA, Viral / Q000528:radiation effects*; D004996:Ethidium; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation / Q000528:radiation effects*; D009691:Nucleic Acid Denaturation; D010617:Phenanthridines; D010759:Phosphorus Isotopes; D011743:Pyrimidines; D011830:Radiation Effects; D013941:Thymine; D014316:Tritium; D014466:Ultraviolet Rays
chemical_list: D004279:DNA, Viral; D010617:Phenanthridines; D010759:Phosphorus Isotopes; D011743:Pyrimidines; D014316:Tritium; D004996:Ethidium; D013941:Thymine