title: Separation of native and denatured fractions from partially denatured pneumococcal DNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D002845:Chromatography; D004269:DNA, Bacterial / Q000032:analysis*; D005823:Genetics; D006358:Hot Temperature; D009691:Nucleic Acid Denaturation; D009696:Nucleic Acids; D013296:Streptococcus pneumoniae / Q000032:analysis*; D014783:Viscosity
chemical_list: D004269:DNA, Bacterial; D009696:Nucleic Acids