Cell CycleCell DivisionCell Cycle ProteinsMitosisCheckpoint Kinase 2G2 PhaseGenes, cdcCell Cycle CheckpointsDNA DamageS Phasecdc25 PhosphatasesProtein-Serine-Threonine KinasesDNA ReplicationG1 PhaseCDC2 Protein KinaseProtein KinasesSpindle ApparatusMutationSaccharomyces cerevisiaeAtaxia Telangiectasia Mutated ProteinsSchizosaccharomycesCyclinsG2 Phase Cell Cycle CheckpointsPhosphorylationDNA-Binding ProteinsM Phase Cell Cycle CheckpointsNuclear ProteinsSaccharomyces cerevisiae ProteinsMolecular Sequence DataCyclin BHydroxyureaModels, BiologicalSchizosaccharomyces pombe ProteinsFungal ProteinsTumor Suppressor ProteinsCyclin-Dependent KinasesCyclin B1HeLa CellsTumor Suppressor Protein p53Cell NucleusDNA RepairAmino Acid SequenceCdc20 ProteinsApoptosisCyclin-Dependent Kinase 2Signal TransductionUbiquitin-Protein Ligase ComplexesCell Nucleus DivisionAnaphase-Promoting Complex-CyclosomeRetinoblastoma ProteinCell LineCaulobacter crescentusCell Line, TumorChromosome SegregationCyclin ACentrosomeInterphaseGenes, FungalCell ProliferationCyclin-Dependent Kinase Inhibitor p21Flow CytometryTime FactorsAsymmetric Cell DivisionProtein BindingBase SequenceDNAPhenotypeGamma RaysHistonesS Phase Cell Cycle CheckpointsMenstrual CycleCells, CulturedKinetochoresDNA, FungalNocodazoleRadiation, IonizingFibroblastsG1 Phase Cell Cycle CheckpointsCDC2-CDC28 KinasesCyclin-Dependent Kinase Inhibitor p27ChromosomesChromatinAtaxia TelangiectasiaSequence Homology, Amino AcidTranscription, GeneticMicroscopy, FluorescenceTranscription FactorsGene Expression Regulation, FungalChromosomal Proteins, Non-HistoneCarrier ProteinsGenomic InstabilityGene Expression RegulationRNA InterferenceEscherichia coliRNA, Small InterferingMicrotubulesTemperatureRNA, MessengerMetaphaseCyclin D1