Clone CellsMammalsNervous SystemEctodermNeural PlateXenopus ProteinsEmbryonic InductionBone Morphogenetic ProteinsGastrulaGene Expression Regulation, DevelopmentalCell LineageBody PatterningCell DifferentiationEmbryo, NonmammalianSense OrgansMolecular Sequence DataBasic Helix-Loop-Helix Transcription FactorsNeuronsOtx Transcription FactorsSOXB1 Transcription FactorsNodal ProteinBase SequenceAmino Acid SequenceReceptors, NotchDrosophila ProteinsDrosophilaSignal TransductionStem CellsXenopus laevisXenopusBone Morphogenetic Protein 4In Situ HybridizationNerve Tissue ProteinsCentral Nervous SystemHelix-Loop-Helix MotifsFibroblast Growth FactorsCloning, MolecularTranscription FactorsNeural Stem CellsEmbryonic Stem CellsHomeodomain ProteinsDNA-Binding ProteinsWnt ProteinsPhylogenyTransforming Growth Factor betaDNA, ComplementaryDNASequence Analysis, DNASequence Homology, Amino AcidRNA, MessengerSpecies SpecificityCell LineMutationBiological EvolutionSequence Homology, Nucleic AcidSequence AlignmentMarsupialiaEvolution, MolecularPolymerase Chain ReactionPhenotypeNucleic Acid HybridizationChromosome MappingModels, BiologicalGenesTranscription, GeneticGene Expression RegulationDNA PrimersRodentiaChromosomes, Artificial, BacterialBlotting, SouthernReptilesCaenorhabditis elegansTransfectionPinnipediaBlotting, NorthernCetaceaMembrane ProteinsCell DivisionPlasmidsVertebratesCaenorhabditis elegans ProteinsGene ExpressionCells, CulturedAnimals, Genetically ModifiedMultigene FamilyChickensBirdsGenomic LibraryMice, Inbred C57BLMorphogenesisDNA, BacterialVulvaTime FactorsGenetic VariationConserved SequenceShrewsInsectivoraRecombinant ProteinsEmbryo, MammalianMice, Transgenic