Asymmetric Cell DivisionStem CellsCell DivisionNeuronsNeurogenesisNeural Stem CellsCell DifferentiationNestinJuvenile HormonesCell PolarityCell ProliferationCell LineageNerve Tissue ProteinsBromodeoxyuridineNeurogliaSpindle ApparatusCaenorhabditis elegans ProteinsCaenorhabditis elegansCells, CulturedDrosophila ProteinsGene Expression Regulation, DevelopmentalDrosophilaMiosisImmunohistochemistryHematopoietic Stem CellsMitosisSignal TransductionReceptors, NotchSense OrgansEmbryo, NonmammalianBrainModels, BiologicalTranscription FactorsBody PatterningPlant StomataAnimals, Genetically ModifiedGreen Fluorescent ProteinsMutationCell CycleHomeodomain ProteinsCentrosomeCell Cycle ProteinsNuclear Matrix-Associated ProteinsDrosophila melanogasterMolecular Sequence DataCytoskeletal ProteinsNeuropeptidesNervous SystemPhenotypeAntigens, CD34Membrane ProteinsCell CountMice, Inbred C57BLGuanine Nucleotide Dissociation InhibitorsHelminth ProteinsAmino Acid SequenceTelencephalonCell MovementMice, TransgenicLateral VentriclesMyeloid Progenitor CellsColony-Forming Units AssayCaulobacter crescentusTime FactorsBone Marrow CellsGenes, HelminthBasic Helix-Loop-Helix Transcription FactorsIntermediate Filament ProteinsMicrotubulesMicroscopy, FluorescenceArabidopsisIn Situ HybridizationWnt ProteinsDNA-Binding ProteinsEmbryo, MammalianZebrafishFrizzled ReceptorsStem Cell TransplantationMice, KnockoutBase SequencePlant RootsCerebral CortexProsencephalonArabidopsis ProteinsZygoteFlow CytometryLuminescent ProteinsCarrier ProteinsChromosome SegregationCerebral VentriclesAnimals, NewbornRegenerationDentate GyrusNuclear ProteinsRecombinant Fusion ProteinsHematopoiesisRetinal NeuronsOlfactory MucosaEmbryonic Stem CellsRNA Interference