IntestinesIntestine, SmallIntestine, LargeIntestinal MucosaIleumEnterocytesSulfathiazolesIntestinal AbsorptionAnimals, SucklingVibrio choleraeCecumJejunumColonStreptomycinCholeraGerm-Free LifePaneth CellsIntestinal NeoplasmsEnteroendocrine CellsColony Count, MicrobialMice, Inbred C57BLCaco-2 CellsDuodenumMyenteric PlexusEscherichia coliMice, Inbred BALB CVirulenceRNA, MessengerFecesEscherichia coli ProteinsEpitheliumMice, KnockoutEpithelial CellsMice, Inbred StrainsMolecular Sequence DataImmunohistochemistryGene Expression Regulation, BacterialBase SequenceMice, TransgenicGene Expression ProfilingGene Expression RegulationCell DifferentiationBacterial ProteinsMicrovilliIntestinal DiseasesDigestive SystemLiverGastrointestinal MotilitySwineTissue DistributionStomachSerous MembraneGastrointestinal TractOrgan SpecificityIntestinal SecretionsSucraseEnteritisGastrointestinal ContentsDisaccharidasesDigestive System Physiological PhenomenaGastrointestinal TransitEnteric Nervous SystemDigestionRats, Inbred StrainsBiological TransportMesenteryRats, Sprague-DawleyGastrointestinal HormonesRats, WistarJejunal NeoplasmsPeyer's PatchesAnimals, NewbornIleal NeoplasmsKidney