title: Changes in the sedimentation characteristics of DNA due to methylmercuration.
mesh_terms: D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002621:Chemistry; D003090:Coliphages; D004279:DNA, Viral; D004926:Escherichia coli; D008628:Mercury; D008745:Methylation; D009691:Nucleic Acid Denaturation; D009994:Osmolar Concentration; D014461:Ultracentrifugation
chemical_list: D004279:DNA, Viral; D008628:Mercury