Disease Models, AnimalMice, Mutant StrainsMice, TransgenicMutationMice, Inbred C57BLPhenotypeMice, KnockoutSignal TransductionModels, AnimalMolecular Sequence DataBehavior, AnimalEscherichia coliBacterial ProteinsBrainEthylnitrosoureaMice, Neurologic MutantsGenes, BacterialAnalysis of VariancePolydactylyAmino Acid SequenceGenetic Complementation TestGene DeletionGene Expression Regulation, BacterialVirulenceSequence Analysis, DNABase SequenceMutant ProteinsCloning, MolecularSpecies SpecificityPlasmidsChromosome MappingMutagenesis, InsertionalMice, Inbred StrainsDNA, BacterialCrosses, GeneticTranscription FactorsSequence Homology, Amino AcidCulture MediaTemperatureGenotypeFungal ProteinsMutagenesisDNA PrimersAllelesGene Expression Regulation, DevelopmentalGenes, LethalCraniofacial AbnormalitiesDNA-Binding ProteinsMutagenesis, Site-DirectedEscherichia coli ProteinsDrug Resistance, MicrobialPolymerase Chain ReactionPoint MutationHomozygoteCell LineMembrane ProteinsTranscription, GeneticRecombination, GeneticOperonRNA, Ribosomal, 16SAnti-Bacterial AgentsMice, Inbred C3HDNA Transposable ElementsMorphogenesisSequence AlignmentSaccharomyces cerevisiae ProteinsNeural Tube DefectsGenesAmino Acid SubstitutionKineticsDNA, RibosomalSyndactylySalmonella typhimuriumRNA, BacterialVirulence FactorsMicrobial Sensitivity TestsRestriction MappingSequence DeletionMutation, MissenseBacterial AdhesionCarrier ProteinsProtein BindingBacterial Typing TechniquesHomeodomain ProteinsMenkes Kinky Hair SyndromeRNA, MessengerEmbryo, MammalianSaccharomyces cerevisiaeBody PatterningIn Situ HybridizationNerve Tissue ProteinsMutagensBacterial Outer Membrane ProteinsMice, Inbred BALB CGene ExpressionProtein Structure, TertiaryRepressor ProteinsChromosomes, BacterialHeterozygoteBlotting, Southern