Neural PlateNeural CrestTranscription FactorsGastrulationEmbryonic StructuresEctodermGene Expression Regulation, DevelopmentalXenopus ProteinsMSX1 Transcription FactorZebrafish ProteinsBone Morphogenetic ProteinsTranscription, GeneticBlastulaEmbryonic InductionZebrafishBody PatterningEmbryo, NonmammalianPaired Box Transcription FactorsGerm LayersIn Situ HybridizationDNA-Binding ProteinsXenopusHomeodomain ProteinsSignal TransductionChick EmbryoXenopus laevisMolecular Sequence DataPromoter Regions, GeneticCell LineageWnt ProteinsBase SequenceSp1 Transcription FactorGene Expression RegulationTrans-ActivatorsNervous SystemBasic Helix-Loop-Helix Transcription FactorsRNA, MessengerBinding SitesRepressor ProteinsNuclear ProteinsTranscriptional ActivationAmino Acid SequenceProtein BindingCell DifferentiationForkhead Transcription FactorsTranscription Factor AP-1Cell LineMutationGastrulaDNAGrowth PlateMorphogenesisBasic-Leucine Zipper Transcription FactorsTranscription Factor AP-2NeurulationMesodermOtx Transcription FactorsCell NucleusTransfectionCells, CulturedBone PlatesCloning, MolecularKruppel-Like Transcription FactorsNeural TubeTranscription Factors, TFIIGenes, ReporterReverse Transcriptase Polymerase Chain ReactionChromatin ImmunoprecipitationSOXB1 Transcription FactorsSequence Homology, Amino AcidProsencephalonNerve Tissue ProteinsGene ExpressionYY1 Transcription FactorHeLa CellsZinc FingersEnhancer Elements, GeneticSTAT3 Transcription FactorGATA4 Transcription FactorCentral Nervous SystemGATA2 Transcription FactorTranscription Factor TFIIDNFATC Transcription FactorsActivating Transcription Factor 3Bone Morphogenetic Protein 4Models, BiologicalNotochordRhombencephalonSp3 Transcription FactorNF-kappa BTranscription Initiation SiteElectrophoretic Mobility Shift AssayActivating Transcription Factor 2Transcription Factor TFIIBGene Expression ProfilingProtein Structure, TertiaryRegulatory Sequences, Nucleic AcidHelix-Loop-Helix MotifsPlasmidsRecombinant Fusion Proteins