Characterization of a naturally occurring, cross-linked fraction of DNA. II. Origin of the cross-linkage.

Bacillus subtilis Bacteriolysis Bacteriophages Centrifugation, Density Gradient Chemical Phenomena Chemistry, Physical Coliphages DNA, Bacterial DNA, Viral Deuterium Hot Temperature Mechlorethamine/pharmacology Models, Biological Nitrogen Nucleic Acid Denaturation Radioisotopes Transformation, Genetic

DNA, Bacterial DNA, Viral Radioisotopes Mechlorethamine Deuterium Nitrogen