title: Characterization of a naturally occurring, cross-linked fraction of DNA. II. Origin of the cross-linkage.
mesh_terms: D001412:Bacillus subtilis; D001433:Bacteriolysis; D001435:Bacteriophages; D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003090:Coliphages; D004269:DNA, Bacterial; D004279:DNA, Viral; D003903:Deuterium; D006358:Hot Temperature; D008466:Mechlorethamine / Q000494:pharmacology; D008954:Models, Biological; D009584:Nitrogen; D009691:Nucleic Acid Denaturation; D011868:Radioisotopes; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D011868:Radioisotopes; D008466:Mechlorethamine; D003903:Deuterium; D009584:Nitrogen