DNA Topoisomerase IVDNA Topoisomerases, Type IIDNA GyraseTopoisomerase II InhibitorsDNA Topoisomerases, Type IAnti-Infective AgentsTopoisomerase I InhibitorsFluoroquinolonesCiprofloxacinDrug Resistance, MicrobialDNA, SuperhelicalQuinolonesNovobiocinTopoisomerase InhibitorsTeniposideDNA, CatenatedDNAAmsacrineNorfloxacinEscherichia coliCamptothecin4-QuinolonesMolecular Sequence DataBase SequenceNaphthyridinesAminocoumarinsMutationDNA, BacterialDNA-Binding ProteinsStreptococcus pneumoniaeDrug Resistance, BacterialEtoposideMicrobial Sensitivity TestsPlasmidsMycoplasma hominisOfloxacinRazoxaneCoumarinsNucleic Acid ConformationDNA RepairStaphylococcus aureusEnzyme InhibitorsDNA DamageEllipticinesPodophyllotoxinDNA TopoisomerasesAntigens, NeoplasmLevofloxacinPolymerase Chain ReactionIntercalating AgentsDNA ReplicationAmino Acid SequenceDNA CleavageAnti-Bacterial AgentsGenes, BacterialCatalysisCloning, MolecularAminoacridinesAntineoplastic Agents, PhytogenicTopotecanChromosomes, BacterialDrug ResistanceKineticsSaccharomyces cerevisiaeDNA, KinetoplastChromosome SegregationNucleic Acid HybridizationThiobarbituratesAntineoplastic AgentsBacterial Proteins