Cell LineageEmbryo, NonmammalianCell DifferentiationEmbryo, MammalianGene Expression Regulation, DevelopmentalMolecular Sequence DataModels, BiologicalMammalsSignal TransductionAmino Acid SequenceCaenorhabditis elegansTranscription FactorsDrosophila ProteinsStem CellsEmbryonic DevelopmentCell LineBase SequenceCaenorhabditis elegans ProteinsBody PatterningDrosophilaMutationCells, CulturedBlastocystEmbryonic Stem CellsXenopus ProteinsMorphogenesisReceptors, NotchBlastomeresDNA-Binding ProteinsHomeodomain ProteinsGastrulaRNA, MessengerIn Situ HybridizationMesodermChick EmbryoSequence Homology, Amino AcidVulvaPhenotypeEndodermMembrane ProteinsNuclear ProteinsGene Expression RegulationEctodermAnimals, Genetically ModifiedCell DivisionCloning, MolecularMitosisXenopusTranscription, GeneticXenopus laevisCell AggregationRepressor ProteinsZebrafish ProteinsTime FactorsCell CycleDrosophila melanogasterProtein BindingZebrafishCell ProliferationEmbryonic InductionDNAOocytesProteinsGene Expression ProfilingCell NucleusVitellinsBasic Helix-Loop-Helix Transcription FactorsReceptor, Notch1Genes, HelminthMice, TransgenicGreen Fluorescent ProteinsHelminth ProteinsInsect ProteinsApoptosisNeuronsWnt ProteinsOvumProtein Structure, TertiaryNervous SystemGene ExpressionTransfectionSequence AlignmentTrans-ActivatorsDNA, ComplementaryImmunohistochemistryBinding SitesDNA PrimersRNA InterferenceCell Cycle ProteinsGerm CellsSpecies SpecificityCell MovementCell SurvivalPluripotent Stem CellsMicroscopy, FluorescenceHeLa CellsRecombinant ProteinsNerve Tissue ProteinsMice, KnockoutReverse Transcriptase Polymerase Chain Reaction