title: Initiation of DNA replication in Bacillus subtilis. V. Role of DNA gyrase and superhelical structure in initiation.
mesh_terms: D001412:Bacillus subtilis / Q000235:genetics*; D002876:Chromosomes, Bacterial / Q000502:physiology / Q000648:ultrastructure; D004261:DNA Replication; D004250:DNA Topoisomerases, Type II / Q000502:physiology*; D004269:DNA, Bacterial / Q000235:genetics; D004278:DNA, Superhelical / Q000235:genetics*; D009268:Nalidixic Acid / Q000494:pharmacology; D009675:Novobiocin / Q000494:pharmacology; D010957:Plasmids; D013171:Spores, Bacterial
chemical_list: D004269:DNA, Bacterial; D004278:DNA, Superhelical; D009675:Novobiocin; D009268:Nalidixic Acid; D004250:DNA Topoisomerases, Type II