M Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsCell CycleG2 PhaseS Phase Cell Cycle CheckpointsG1 Phase Cell Cycle CheckpointsAllyl CompoundsCell Cycle ProteinsCell Cycle CheckpointsIsothiocyanatesMitosisDNA DamageS PhaseCheckpoint Kinase 2Cell Line, TumorG1 PhaseApoptosisGenes, cdcCell ProliferationAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesCell DivisionTumor Suppressor Protein p53Phosphorylationcdc25 PhosphatasesProtein KinasesCDC2 Protein KinaseCyclin-Dependent Kinase Inhibitor p21DNA RepairCyclinsCyclin B1DNA-Binding ProteinsFlow CytometryTumor Suppressor ProteinsCell LineDNA ReplicationCyclin BNuclear ProteinsGamma RaysRibonucleotide ReductasesHydroxyureaAtaxia TelangiectasiaRadiation, IonizingMutationSpindle ApparatusRetinoblastoma ProteinViral Matrix ProteinsHeLa CellsG0 PhaseRadiation ToleranceCyclin-Dependent Kinase 2Signal TransductionCyclin-Dependent KinasesMolecular Sequence DataCyclin-Dependent Kinase Inhibitor p27NocodazoleCyclin ECyclin D1Saccharomyces cerevisiae ProteinsGenomic InstabilityUltraviolet RaysCell SurvivalSaccharomyces cerevisiaeDeoxyguanine NucleotidesTumor Cells, CulturedCells, CulturedSchizosaccharomycesAmino Acid SequenceFibroblastsSchizosaccharomyces pombe ProteinsRNA, Small InterferingHistonesDNA Breaks, Double-StrandedBlotting, WesternAntineoplastic Agents, PhytogenicCyclin-Dependent Kinase 4MimosineCell NucleusModels, BiologicalAntineoplastic AgentsChromosomal InstabilityInterphaseFungal ProteinsDNADeoxyadenine NucleotidesBRCA1 ProteinBase SequenceCyclin AAphidicolinCDC2-CDC28 KinasesKinetochoresGenes, p53MuromegalovirusTranscription FactorsProtein BindingGene Expression Regulation, NeoplasticDose-Response Relationship, RadiationIntracellular Signaling Peptides and ProteinsTime FactorsMethyl Methanesulfonate