Cell DivisionMitosisSpindle ApparatusGametogenesis, PlantMeiosisCell CycleMutationStem CellsDrosophilaCell Cycle ProteinsCell DifferentiationModels, BiologicalCell PolarityPhenotypeZygoteCell LineageParthenogenesisChromosome SegregationFertilizationDrosophila ProteinsPollenCell NucleusCentrosomeTime FactorsGerm CellsEmbryo, NonmammalianChromosomesSpermatocytesOogenesisDrosophila melanogasterSpores, FungalMicrotubulesCyclin BMetaphaseCell ProliferationOocytesCDC2 Protein KinaseAsymmetric Cell DivisionSignal TransductionMicroscopy, ElectronArabidopsisArabidopsis ProteinsSpermatogenesisSeedsMolecular Sequence DataGene Expression Regulation, DevelopmentalTestisCell Nucleus DivisionAllelesDNASpermatozoaCytokinesisBacterial ProteinsEscherichia coliJuvenile HormonesCytoskeletal ProteinsSchizosaccharomycesDNA ReplicationAmino Acid SequenceBromodeoxyuridineGreen Fluorescent ProteinsMicroscopy, Phase-ContrastCaenorhabditis elegansMicroscopy, FluorescenceTime-Lapse ImagingBase SequenceCaulobacter crescentusMorphogenesisCells, CulturedPhylogenyThymidineSaccharomyces cerevisiaeInterphaseMeristemCaenorhabditis elegans ProteinsMembrane ProteinsEscherichia coli ProteinsBlastomeresCell SizeCell WallTranscription FactorsTemperatureSchizosaccharomyces pombe ProteinsDNA, BacterialNeuroepithelial CellsCell CountSense OrgansCell EnlargementCleavage Stage, OvumCulture MediaLuminescent ProteinsMicroscopy, VideoRecombinant Fusion ProteinsAnimals, Genetically ModifiedNeuronsMicrotubule-Associated ProteinsPlant CellsSequence Homology, Amino AcidBacillus subtilisChromosomes, Bacterial