Cell CycleMitosisCell Cycle ProteinsMeiosisCDC2 Protein KinaseCell Cycle CheckpointsG1 PhaseCyclinsG2 PhaseS PhaseCyclin BCell DivisionSaccharomyces cerevisiaeDNA ReplicationProtein-Serine-Threonine KinasesSchizosaccharomyces pombe ProteinsSpindle ApparatusSchizosaccharomycesGenes, FungalInterphaseStarfishSaccharomyces cerevisiae ProteinsMolecular Sequence DataPhosphorylationCell NucleusFungal ProteinsMutationMenstrual CycleDNA-Binding ProteinsNuclear ProteinsApoptosisG2 Phase Cell Cycle CheckpointsUbiquitin-Protein Ligase ComplexesCell ProliferationProtein KinasesCyclin-Dependent Kinase Inhibitor p27Anaphase-Promoting Complex-CyclosomeGene Expression Regulation, FungalOocytesRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p21Transcription FactorsAmino Acid SequenceHeLa CellsTranscription, GeneticXenopus ProteinsSignal TransductionTime FactorsCell Line, TumorG0 PhaseRNA, MessengerBase SequenceCell LineFertilizationZygoteTumor Suppressor Protein p53Cyclin-Dependent Kinase 2Models, BiologicalDNA DamageSpores, FungalG1 Phase Cell Cycle CheckpointsGenes, cdcXenopusNocodazoleCyclin ECyclin AOogenesisCyclin B1Cyclin D1Flow CytometryCyclin-Dependent KinasesPhenotypeCentrosomeTumor Suppressor ProteinsDNA, Fungalcdc25 PhosphatasesCells, CulturedOvumCyclin-Dependent Kinase 4Tumor Cells, CulturedTelophaseCDC2-CDC28 KinasesDNAEstrous CycleGene Expression RegulationMicrotubulesMicrotubule-Associated ProteinsSequence Homology, Amino AcidCell DifferentiationGerm CellsE2F Transcription FactorsBromodeoxyuridineCell SurvivalBlotting, WesternProtein BindingHistonesMetaphaseCloning, MolecularCyclin DChromosomes