Cell LineageCell DifferentiationSignal TransductionTranscription FactorsGene Expression Regulation, DevelopmentalDrosophila ProteinsReceptors, NotchMolecular Sequence DataStem CellsBody PatterningDrosophilaVulvaMutationRepressor ProteinsDNA-Binding ProteinsEmbryo, NonmammalianHomeodomain ProteinsGenes, RegulatorCaenorhabditis elegansCaenorhabditis elegans ProteinsModels, BiologicalBasic Helix-Loop-Helix Transcription FactorsAmino Acid SequenceReceptor, Notch1MorphogenesisMembrane ProteinsTrans-ActivatorsBase SequencePhenotypeGene Expression Regulation, BacterialTranscription, GeneticGene Expression RegulationCystic Fibrosis Transmembrane Conductance RegulatorCells, CulturedMesodermIn Situ HybridizationBacterial ProteinsNuclear ProteinsProtein BindingJuvenile HormonesAnimals, Genetically ModifiedCell ProliferationPromoter Regions, GeneticCell LineRNA, MessengerZebrafish ProteinsNerve Tissue ProteinsMice, TransgenicMice, KnockoutEctodermWnt ProteinsDrosophila melanogasterCell DivisionApoptosisEmbryonic InductionGenes, InsectNeuronsMice, Inbred C57BLRNA InterferenceEmbryo, MammalianSense OrgansSequence Homology, Amino AcidProtein Structure, TertiaryReverse Transcriptase Polymerase Chain ReactionGene Expression ProfilingInsect ProteinsXenopus ProteinsCell PolarityEndodermEmbryonic Stem CellsGenes, HelminthZebrafishIntracellular Signaling Peptides and ProteinsCell CycleNervous SystemEyeHelminth ProteinsPhosphorylationBinding SitesHedgehog Proteinsbeta CateninGene Expression Regulation, PlantBone Morphogenetic ProteinsGreen Fluorescent ProteinsEmbryonic DevelopmentImmunohistochemistryArabidopsis ProteinsProto-Oncogene ProteinsGenes, HomeoboxCarrier ProteinsGenes, ReporterDNA PrimersBlastomeresArabidopsisMicroRNAsBlotting, WesternRecombinant Fusion ProteinsTime FactorsWnt1 ProteinCell Cycle Proteins