Asymmetric Cell DivisionGerm CellsDrosophila ProteinsDrosophilaSpermatogoniaStem CellsDrosophila melanogasterCell DivisionMutationSpermatogenesisTestisStem Cell NicheAnimals, Genetically ModifiedOogenesisOvarySpermatocytesGene Expression Regulation, DevelopmentalCell DifferentiationInsect ProteinsChloramphenicolMeiosisLarvaEscherichia coliArgonaute ProteinsPeptidoglycanCourtshipMolecular Sequence DataStem Cell TransplantationTemperatureAdult Stem CellsGenes, InsectSpermatozoaTranscription FactorsSignal TransductionGametogenesisChromosomes, InsectX ChromosomeDosage Compensation, GeneticPhenotypeMultipotent Stem CellsCell LineageMitosis