Spores, ProtozoanDictyosteliumGene Expression Regulation, DevelopmentalChild DevelopmentNervous SystemMorphogenesisInfant, NewbornFollow-Up StudiesPregnancyTime FactorsIn Situ HybridizationProtozoan ProteinsCell DifferentiationZebrafishMutationRisk FactorsMolecular Sequence DataAge FactorsBrainChick EmbryoModels, BiologicalTranscription FactorsHomeodomain ProteinsPhenotypeAnimals, NewbornAgingAmino Acid SequenceSignal TransductionBiological MarkersBase SequenceProspective StudiesRNA, MessengerCohort Studies