Intestinal MucosaMuridaeAnimal Population GroupsGastric MucosaLeukemia Virus, MurineIntestine, SmallParasitic Diseases, AnimalMouth MucosaRodent DiseasesMice, Inbred StrainsJejunumAnimals, WildMurinaeIleumMink Cell Focus-Inducing VirusesGammaretrovirusDuodenumRetroviridae InfectionsParalysisNasal MucosaPeromyscusColonDisease ReservoirsIntestinesAnimals, LaboratoryCrosses, GeneticSpecies SpecificityCeliac DiseaseAgouti Signaling ProteinHair ColorLeukemia, ExperimentalIntestinal AbsorptionIntestinal DiseasesMucous MembraneMolecular Sequence DataEnterocytesRetroviridaeMice, Inbred C57BLReceptors, VirusBase SequenceSucraseFriend murine leukemia virusPhylogenyImmunity, MucosalBacterial TranslocationMicrovilliGliadinChromosome MappingIntestinal SecretionsIntestine, LargeGenetic VariationSwineMice, Inbred BALB CAllelesBiological EvolutionSpleenAmino Acid SequenceGlutensInflammatory Bowel DiseasesColitis, UlcerativeEnteritisCloning, MolecularCrohn DiseaseEpitheliumMice, Inbred DBADNA, ViralGerm-Free LifeHaplotypesNucleic Acid HybridizationCaco-2 CellsPeyer's PatchesGenes, ViralCecumSequence Homology, Nucleic AcidBacterial AdhesionIleitisOlfactory MucosaDisaccharidasesSequence Analysis, DNADigestive SystemRats, Inbred StrainsPermeabilityRNA, MessengerColitisLaryngeal MucosaTrichostrongylosisLymphEpithelial CellsImmunoglobulin ARats, WistarLiverAmine Oxidase (Copper-Containing)ImmunohistochemistryBiopsyChlordanEnterocolitisRats, Sprague-DawleyDiarrheaProbioticsMicroscopy, Electron