title: Ultraviolet reactivation of lambda phage: assay of infectivity of DNA molecules by spheroplast transfection.
mesh_terms: D002499:Centrifugation, Density Gradient; D002875:Chromosomes; D003090:Coliphages / Q000528:radiation effects*; D004260:DNA Repair; D004261:DNA Replication; D004270:DNA, Circular; D004279:DNA, Viral; D004926:Escherichia coli / Q000528:radiation effects; D009690:Nucleic Acid Conformation; D010759:Phosphorus Isotopes; D011830:Radiation Effects; D011995:Recombination, Genetic; D013104:Spheroplasts; D014170:Transformation, Genetic; D014466:Ultraviolet Rays
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D010759:Phosphorus Isotopes