Disease SusceptibilityMicrobial Sensitivity TestsGenetic Predisposition to DiseaseAnti-Bacterial AgentsGenotypeSpecies SpecificitySequence Analysis, DNADrug Resistance, MicrobialMice, Inbred StrainsMutationPhenotypeDrug Resistance, BacterialBacterial Typing TechniquesEscherichia coliRNA, Ribosomal, 16SGenes, BacterialCulture MediaDNA, RibosomalVirulencePolymorphism, Single NucleotidePolymerase Chain ReactionDNA, BacterialAllelesGenetic VariationPolymorphism, GeneticMolecular Sequence DataSerotypingAmino Acid SequenceAntifungal AgentsStaphylococcus aureusChromosome MappingPlasmids