title: Characterization of DNA from Rhizobium cells and their bacteriods from root nodules.
mesh_terms: D002499:Centrifugation, Density Gradient; D004247:DNA / Q000032:analysis / Q000302:isolation & purification; D004269:DNA, Bacterial / Q000032:analysis / Q000302:isolation & purification; D006358:Hot Temperature; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D010944:Plants / Q000032:analysis*; D011205:Povidone; D012231:Rhizobium / Q000032:analysis*; D013045:Species Specificity; D013056:Spectrophotometry, Ultraviolet
chemical_list: D004269:DNA, Bacterial; D004247:DNA; D011205:Povidone