title: DNA supercoiling.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001419:Bacteria / Q000235:genetics; D004269:DNA, Bacterial / Q000032:analysis; D004278:DNA, Superhelical / Q000032:analysis*; D004587:Electrophoresis, Agar Gel; D005786:Gene Expression Regulation; D008433:Mathematics; D009690:Nucleic Acid Conformation / Q000187:drug effects; D059004:Topoisomerase I Inhibitors; D059005:Topoisomerase II Inhibitors
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial; D004278:DNA, Superhelical; D059004:Topoisomerase I Inhibitors; D059005:Topoisomerase II Inhibitors