MutationHeart Defects, CongenitalHeart Septal Defects, VentricularPhenotypeHeart Septal Defects, AtrialCongenital AbnormalitiesGene Expression Regulation, DevelopmentalMice, KnockoutDrosophila ProteinsNeural Tube DefectsMolecular Sequence DataMorphogenesisAbnormalities, MultipleBody PatterningZebrafishEmbryo, NonmammalianMice, Mutant StrainsAnimals, Genetically ModifiedSignal TransductionTranscription FactorsAmino Acid SequenceZebrafish ProteinsGene DeletionMice, Inbred C57BLDrosophilaGenes, LethalCraniofacial AbnormalitiesBase SequenceHeart Septal DefectsMice, TransgenicIn Situ HybridizationDNA-Binding ProteinsSaccharomyces cerevisiae ProteinsHomeodomain ProteinsPregnancyDrosophila melanogasterCartilage DiseasesEmbryonic DevelopmentEndocardial CushionsEmbryo, MammalianSaccharomyces cerevisiaeMembrane ProteinsAllelesGene TargetingHeterozygoteChromosome SegregationHomozygoteDisease Models, AnimalSyndromeReconstructive Surgical ProceduresNuclear ProteinsInfant, NewbornMutation, MissenseCell DifferentiationMitosisGenetic Complementation TestHeartCell PolarityNeural CrestCrosses, GeneticCiliaCells, CulturedModels, BiologicalPedigreeCaenorhabditis elegansTime FactorsCarrier ProteinsMesodermSpindle ApparatusOrganogenesisCaenorhabditis elegans ProteinsDNA PrimersSequence Homology, Amino AcidCell MovementCell Cycle ProteinsFungal ProteinsGene ExpressionCell LineMutagenesisChromosome MappingNerve Tissue ProteinsProteinsRNA, MessengerBone Morphogenetic ProteinsGenes, InsectFibroblastsEmbryonic and Fetal DevelopmentPoint MutationLarvaProtein-Serine-Threonine KinasesApoptosisTransgenesGenotypeHedgehog ProteinsPaired Box Transcription FactorsActinsCell ProliferationImmunohistochemistryRNA InterferenceDNA Repair