Sequence Analysis, DNASpecies SpecificityRNA, Ribosomal, 16SMice, Inbred StrainsBacterial Typing TechniquesDNA, RibosomalMutationGenes, BacterialVirulenceEscherichia coliMolecular Sequence DataAmino Acid SequencePolymerase Chain ReactionPhenotypeGenotypeSerotypingDNA, BacterialMicrobial Sensitivity TestsPhylogenyAnti-Bacterial AgentsCulture MediaGenetic VariationPlasmidsBase CompositionCluster AnalysisGenes, rRNADrug Resistance, MicrobialNucleic Acid HybridizationGenome, BacterialCloning, MolecularGene Expression Regulation, BacterialSoil MicrobiologyRNA, BacterialDNA FingerprintingBase SequenceElectrophoresis, Gel, Pulsed-FieldMolecular EpidemiologyHIV-1DNA PrimersBacterial ProteinsFatty AcidsAntigens, BacterialRecombination, GeneticStaphylococcus aureusSequence Homology, Nucleic AcidFermentationBacterial AdhesionVirulence FactorsPolymorphism, Restriction Fragment LengthGene DeletionEscherichia coli InfectionsDrug Resistance, BacterialWater MicrobiologyBacterial Outer Membrane ProteinsBiodegradation, EnvironmentalDNA Transposable ElementsPseudomonasDisease OutbreaksSequence AlignmentSequence Homology, Amino AcidTemperatureBacterial ToxinsSprains and StrainsCell LineMice, Inbred C57BLTime FactorsEscherichia coli ProteinsMice, Inbred BALB CFecesActinomycetalesChromosomes, BacterialGenome, ViralChromosome MappingGenetic Complementation TestSequence HomologyPseudomonas aeruginosaReverse Transcriptase Polymerase Chain ReactionSeawaterInfluenza A Virus, H5N1 SubtypeConjugation, GeneticRandom Amplified Polymorphic DNA TechniqueFood MicrobiologyRestriction MappingCross ReactionsRNA, MessengerSaccharomyces cerevisiaeRNA, ViralSwineColony Count, MicrobialSalmonella typhimuriumCattleCells, CulturedMutagenesis, InsertionalStreptococcusGene Expression ProfilingDisease Models, AnimalDNA, ViralInfluenza A virusAerobiosisKinetics