Stem CellsAngiospermsEmbryo, MammalianPlants, Genetically ModifiedEmbryonic Stem CellsPlant ProteinsGenes, PlantBlastocystStem Cell TransplantationEmbryo ResearchPlant LeavesEmbryo ImplantationFlowersHematopoietic Stem CellsPluripotent Stem CellsBlastomeresAdult Stem CellsEmbryonic DevelopmentPlant RootsArabidopsisDNA, PlantEmbryo, NonmammalianCell DifferentiationPlant StemsInduced Pluripotent Stem CellsPlant ShootsFertilization in VitroPollenChick EmbryoOvuleGenome, PlantHematopoietic Stem Cell TransplantationEmbryonic and Fetal DevelopmentStem Cell NichePhylogenyNeural Stem CellsMolecular Sequence DataArabidopsis ProteinsGene Expression Regulation, DevelopmentalPersonhoodPollen TubePlant DevelopmentEmbryo Culture TechniquesPregnancyPlant ExtractsBase SequenceBeginning of Human LifeGymnospermsCryopreservationCell LineageSeedsMultipotent Stem CellsPlants, MedicinalBryopsidaAmino Acid SequenceEmbryo DispositionMesenchymal Stem Cell TransplantationGerm Cells, PlantMesenchymal Stromal CellsEndospermStem Cell FactorEmbryo TransferGene Expression Regulation, PlantPhenotypeCells, CulturedCloning, MolecularEvolution, MolecularPlant StructuresPlantsMutationCloning, OrganismFertilizationPlants, ToxicCell Culture TechniquesOctamer Transcription Factor-3Totipotent Stem CellsModels, BiologicalSelf-Incompatibility in Flowering PlantsPlant CellsPollinationZygoteTime FactorsSelf-FertilizationCell LineTranscription FactorsCulture TechniquesSelaginellaceaeGametogenesis, PlantPregnancy RatePlant Growth RegulatorsStem Cell ResearchSignal TransductionInflorescencePreimplantation DiagnosisValue of LifeMorulaRNA, MessengerGene Expression ProfilingLifeGerm Layers