Basic Helix-Loop-Helix Transcription FactorsSense OrgansNervous SystemDrosophilaNeuronsDrosophila ProteinsGenes, InsectGene Expression Regulation, DevelopmentalMolecular Sequence DataPeripheral Nervous SystemTranscription FactorsNeurogenesisDrosophila melanogasterGene ComponentsDNA-Binding ProteinsNerve Tissue ProteinsAmino Acid SequenceHelix-Loop-Helix MotifsIn Situ HybridizationBase SequenceMutationNeuritesHippocampusPhenotypeBrainCell DifferentiationGene Expression RegulationDrosophilidaeMorphogenesisSequence Homology, Amino AcidInsect ProteinsThoraxImmunohistochemistryAnimals, Genetically ModifiedCells, CulturedAxonsWingDendritesNeuronal PlasticitySignal TransductionRepressor ProteinsCerebral CortexSynapsesRats, Sprague-DawleyCaenorhabditis elegansGrowth ConesCerebellumCloning, MolecularBody PatterningNervous System MalformationsEmbryo, MammalianHomeodomain ProteinsMice, Inbred C57BLAnimals, NewbornPC12 CellsCaenorhabditis elegans ProteinsMice, KnockoutBlastodermNeurogliaSequence AlignmentNeuropeptidesNerve Growth FactorsProtein BindingMicrotubule-Associated ProteinsEmbryo, NonmammalianZebrafishDNA, ComplementaryBrain-Derived Neurotrophic FactorCentral Nervous SystemMembrane ProteinsCell LineSynaptic TransmissionGreen Fluorescent ProteinsCell DeathRNA, MessengerMice, TransgenicProtein Structure, TertiaryTranscription, GeneticReceptors, N-Methyl-D-AspartateProsencephalonTransfectionCarrier ProteinsExtremitiesCogan SyndromeTime FactorsSpinal CordRecombinant Fusion ProteinsNerve Growth FactorAstrocytesMotor NeuronsCell MovementNeural Stem CellsSynapsinsNuclear ProteinsSemaphorinsReceptors, Nerve Growth FactorZebrafish ProteinsNeurotrophin 3Dendritic SpinesCell Survival