SpirochaetalesBacteriaSpirochaetaBorreliaBorrelia burgdorferiLyme DiseaseTreponemaRelapsing FeverBorrelia burgdorferi GroupSpirochaetales InfectionsSpirochaetaceaeBrachyspiraTicksBorrelia InfectionsIxodesTreponemal InfectionsArachnid VectorsBrachyspira hyodysenteriaeGram-Negative BacteriaDNA, BacterialGram-Positive BacteriaRNA, Ribosomal, 16SBacterial ProteinsMolecular Sequence DataOrnithodorosPhylogenyBacteria, AnaerobicBacterial Outer Membrane ProteinsDysenteryDNA, RibosomalSequence Analysis, DNAIsopteraAntigens, BacterialTreponema pallidumMice, Inbred C3HAntibodies, BacterialGingivitis, Necrotizing UlcerativeTick InfestationsNymphBacteria, AerobicTreponema denticolaPeromyscusGenes, BacterialArthropod VectorsLipoproteinsBacterial VaccinesLeptospiraEscherichia coliSpecies SpecificityRNA, BacterialFlagellinGene Expression Regulation, BacterialDisease ReservoirsBacterial AdhesionArthritis, InfectiousBase SequenceCulture MediaAntigens, SurfacePolymerase Chain ReactionFlagellaGenome, BacterialAnti-Bacterial AgentsLeptospira interrogansAnaerobiosisAmino Acid SequenceSymbiosisWater MicrobiologyShrewsBacteriological TechniquesColony Count, MicrobialGenes, rRNAMouthSeawaterBase CompositionGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaPeriodontitisDental PlaqueSoil MicrobiologyBacterial Typing TechniquesLyme Disease VaccinesMicroscopy, ElectronHoof and ClawDigestive SystemPlasmidsSulfur-Reducing BacteriaVirulenceSwine DiseasesLyme NeuroborreliosisFoot DiseasesMuridaeRodentiaIntestinal DiseasesBites and StingsProteobacteriaDermatitisIntestinesFermentationTarsal Joints