Fusidic AcidPeptide Elongation Factor GStaphylococcus saprophyticusImpetigoDrug Resistance, BacterialAnti-Bacterial AgentsStaphylococcus aureusEscherichia coli ProteinsMicrobial Sensitivity TestsStaphylococcal InfectionsStaphylococcusBacterial ProteinsAcidsEscherichia coliElectrophoresis, Gel, Pulsed-FieldDrug Resistance, MicrobialDNA, BacterialAraC Transcription FactorEscherichia coli InfectionsGenes, BacterialEscherichia coli O157Molecular Sequence DataMutationDental Enamel SolubilityNalidixic AcidGene Expression Regulation, BacterialDrug ResistanceDicloxacillinDrug Resistance, Multiple, BacterialHydrogen-Ion ConcentrationTooth DemineralizationAgmatine