title: Characterization of the Bacillus subtilis W23 genome by sedimentation.
mesh_terms: D001412:Bacillus subtilis / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D002876:Chromosomes, Bacterial; D004269:DNA, Bacterial / Q000032:analysis*; D004270:DNA, Circular; D008722:Methods; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D004270:DNA, Circular; D014316:Tritium; D013936:Thymidine