Disease SusceptibilityPolymorphism, Single NucleotidePolymorphism, GeneticGenetic Predisposition to DiseaseAllelesGene FrequencyHaplotypesGenotypeCase-Control StudiesLinkage DisequilibriumGenetic VariationGenome-Wide Association StudyGenetic Association StudiesGenetic MarkersGenetic LinkageChromosome MappingPolymerase Chain ReactionPhenotypeAsian Continental Ancestry GroupMicrobial Sensitivity TestsMolecular Sequence DataGenome, HumanSequence Analysis, DNAEuropean Continental Ancestry GroupMutationEpistasis, GeneticModels, GeneticBase SequenceHLA-DQ AntigensGenetic LociRisk FactorsNod2 Signaling Adaptor ProteinMicrosatellite RepeatsHLA-DRB1 ChainsHomozygoteCrohn DiseaseHLA-DQ beta-ChainsPolymorphism, Single-Stranded ConformationalHLA-DR AntigensImmunity, InnatePlant DiseasesGenetics, PopulationHeterozygoteComplement C4aQuantitative Trait LociHLA-DR3 AntigenPedigreeChromosomes, Human, Pair 6Genetic TestingAnti-Bacterial AgentsGenetic Diseases, InbornGenes, MHC Class IIPromoter Regions, GeneticBahrainOdds RatioHLA AntigensLupus Erythematosus, SystemicSalicylic AcidSpecies SpecificityDiabetes Mellitus, Type 1Autoimmune DiseasesPharmacogeneticsDNA PrimersCohort StudiesMajor Histocompatibility ComplexDNA Mutational AnalysisExonsAge of OnsetAmino Acid SequenceGenotyping TechniquesChinaDisease ResistancePlant ImmunityMice, Inbred C57BLGene DosageDNAJapanCrosses, GeneticInflammatory Bowel DiseasesAmino Acid SubstitutionOligonucleotide Array Sequence AnalysisPseudomonas syringaeGenetic HeterogeneitySelection, GeneticArthritis, RheumatoidDiseaseMethylenetetrahydrofolate Reductase (NADPH2)Physical Chromosome MappingPhylogenyArabidopsisIntronsDatabases, GeneticGene Expression ProfilingLod ScoreAmplified Fragment Length Polymorphism AnalysisChromosomes, Human, Pair 2Multifactorial InheritanceGene Expression RegulationDrug Resistance, BacterialEthnic Groups