ArchaeaAdaptive ImmunityBacteriaImmunity, InnateImmunityImmunity, CellularArchaeal ProteinsPhylogenyImmunity, ActiveMolecular Sequence DataGenes, ArchaealGram-Negative BacteriaDendritic CellsDNA, ArchaealGram-Positive BacteriaRNA, ArchaealMice, Inbred C57BLGenome, ArchaealRNA, Ribosomal, 16SBacteria, AnaerobicBacterial ProteinsCrenarchaeotaImmunity, MucosalT-LymphocytesAdaptation, PhysiologicalDNA, BacterialMice, Inbred BALB CMice, KnockoutAmino Acid SequenceEscherichia coliToll-Like ReceptorsCytokinesSequence Analysis, DNADNA, RibosomalMethaneEvolution, MolecularInterferon-gammaLymphocyte ActivationGene Expression Regulation, ArchaealImmunity, HumoralHaloferax volcaniiBacteria, AerobicAdaptation, BiologicalSeawaterCD8-Positive T-LymphocytesSignal TransductionBase SequenceCD4-Positive T-LymphocytesWater MicrobiologyMethanococcusImmune SystemKiller Cells, NaturalSpecies SpecificityModels, ImmunologicalReceptors, Pattern RecognitionBacterial Physiological PhenomenaMacrophagesGeologic SedimentsSulfolobusGenes, BacterialSoil MicrobiologySpleenHost-Pathogen InteractionsAdjuvants, ImmunologicAntigen PresentationTh1 CellsEuryarchaeotaRNA, BacterialGenome, BacterialMethanobacteriaceaeInflammationSequence AlignmentPlant ImmunityColony Count, MicrobialCells, CulturedSequence Homology, Amino AcidInterleukin-12Myeloid Differentiation Factor 88Biological EvolutionGenes, rRNANitrificationSulfur-Reducing BacteriaAnaerobiosisImmunologic MemoryDisease Models, AnimalFlow CytometryImmune EvasionMethanosarcinaGram-Negative Anaerobic BacteriaToll-Like Receptor 4Antibody FormationPhagocytosisGene Expression Regulation, BacterialAnti-Bacterial AgentsListeriosisB-LymphocytesToll-Like Receptor 2MutationImmunity, Maternally-AcquiredLipopolysaccharides