title: Isolation of half molecules of DNA from Gram-negative bacteria.
mesh_terms: D000421:Alcaligenes / Q000032:analysis*; D002498:Centrifugation; D004269:DNA, Bacterial / Q000032:analysis*; D004926:Escherichia coli / Q000032:analysis*; D008970:Molecular Weight; D011511:Proteus / Q000032:analysis*; D011550:Pseudomonas aeruginosa / Q000032:analysis*; D012486:Salmonella typhimurium / Q000032:analysis*; D012760:Shigella / Q000032:analysis*
chemical_list: D004269:DNA, Bacterial