title: Conformational transitions in the Escherichia coli chromosome: analysis by viscometry and sedimentation.
mesh_terms: D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D002875:Chromosomes / Q000032:analysis; D002876:Chromosomes, Bacterial / Q000187:drug effects / Q000648:ultrastructure*; D004269:DNA, Bacterial / Q000032:analysis*; D004926:Escherichia coli / Q000648:ultrastructure*; D004996:Ethidium; D006358:Hot Temperature; D009690:Nucleic Acid Conformation; D009994:Osmolar Concentration; D012964:Sodium / Q000494:pharmacology; D014357:Trypsin; D014783:Viscosity
chemical_list: D004269:DNA, Bacterial; D012964:Sodium; D014357:Trypsin; D004996:Ethidium