EndodermGastrulationGastrulaSOXF Transcription FactorsHepatocyte Nuclear Factor 3-betaNodal ProteinMesodermGene Expression Regulation, DevelopmentalActivinsEmbryonic Stem CellsPrimitive StreakGerm LayersBody PatterningCell DifferentiationMorphogenesisIn Situ HybridizationEmbryo, NonmammalianHMGB ProteinsDigestive SystemCell LineageHomeodomain ProteinsEmbryo, MammalianEctodermFibroblast Growth Factor 4Xenopus ProteinsEmbryonic InductionZebrafish ProteinsEmbryonic and Fetal DevelopmentZebrafishEmbryonic DevelopmentWnt3 ProteinTranscription FactorsEmbryoid BodiesSignal TransductionProsencephalonFetal ProteinsHorseradish PeroxidasePluripotent Stem CellsNotochordPancreasBlastulaXenopus laevisXenopusDNA-Binding ProteinsT-Box Domain ProteinsTrans-ActivatorsTransforming Growth Factor betaBone Morphogenetic ProteinsWnt ProteinsVisceraBlastodermYolk SacSOX Transcription FactorsCell Culture TechniquesOrganizers, EmbryonicGene Expression ProfilingGATA6 Transcription FactorReverse Transcriptase Polymerase Chain ReactionGoosecoid ProteinMolecular Sequence DataChick EmbryoCell MovementGATA5 Transcription FactorBlastocystHepatocytesReceptor, Platelet-Derived Growth Factor alphaNervous SystemCulture Media, Serum-FreeMice, TransgenicSea UrchinsCell LinePleurodelesBone Morphogenetic Protein 4Gene ExpressionOtx Transcription FactorsFibroblast Growth FactorsNuclear ProteinsLeft-Right Determination FactorsGenes, HomeoboxReceptors, CXCR4BlastomeresAmino Acid SequenceBiological MarkersHigh Mobility Group ProteinsChimeraHeadBase SequenceGATA4 Transcription FactorUrochordataCells, CulturedSomitesModels, BiologicalRNA, MessengerPhenotypeQuailDrosophila ProteinsCell PolarityZygoteDrosophilaGATA Transcription Factors