Cell CycleCell Cycle ProteinsGenes, cdcMitosisG2 PhaseDNA DamageCheckpoint Kinase 2Eukaryotic CellsCell Cycle CheckpointsS PhaseProtein-Serine-Threonine KinasesG1 PhaseCDC2 Protein KinaseCyclinsCyclin-Dependent KinasesSaccharomyces cerevisiae ProteinsMolecular Sequence DataDNA ReplicationSaccharomyces cerevisiaeAtaxia Telangiectasia Mutated ProteinsNuclear ProteinsProtein KinasesSchizosaccharomycesCyclin BDNA-Binding ProteinsDNA RepairG2 Phase Cell Cycle CheckpointsPhosphorylationHydroxyureaSpindle ApparatusTumor Suppressor Protein p53Amino Acid SequenceMutationM Phase Cell Cycle CheckpointsFungal Proteinscdc25 PhosphatasesBase SequenceCell DivisionCyclin-Dependent Kinase Inhibitor p21Models, BiologicalGamma RaysCyclin-Dependent Kinase 2Tumor Suppressor ProteinsGenes, FungalSchizosaccharomyces pombe ProteinsMad2 ProteinsApoptosisCell LineCell ProliferationRetinoblastoma ProteinCell Line, TumorHeLa CellsSignal TransductionRadiation, IonizingAtaxia TelangiectasiaUltraviolet RaysChromosomal InstabilityCyclin AGene Expression RegulationTranscription, GeneticG1 Phase Cell Cycle CheckpointsRepressor ProteinsCyclin ETranscription FactorsRNA, MessengerIntracellular Signaling Peptides and ProteinsProtein BindingDNAHistonesRadiation ToleranceGene Expression ProfilingGenomic InstabilityCyclin B1DNA, FungalCyclin D1Cell NucleusS Phase Cell Cycle CheckpointsCells, CulturedGene Expression Regulation, NeoplasticPromoter Regions, GeneticTumor Cells, CulturedPhenotypeNocodazoleFibroblastsFlow CytometryGene DeletionOligonucleotide Array Sequence AnalysisCyclin B2E2F Transcription FactorsTime FactorsDNA Breaks, Double-StrandedCyclin-Dependent Kinase Inhibitor p27CDC28 Protein Kinase, S cerevisiaeSequence Homology, Amino AcidCDC2-CDC28 KinasesCell SurvivalRNA, Small InterferingGene ExpressionChromosomes, FungalMenstrual Cycle