Cell CycleCell Cycle ProteinsCell LineageCell DifferentiationCell Cycle CheckpointsCell DivisionSignal TransductionG1 PhaseMolecular Sequence DataMitosisCell LineS PhaseTranscription FactorsApoptosisCell ProliferationMutationModels, BiologicalGene Expression Regulation, DevelopmentalDNA-Binding ProteinsCyclinsCells, CulturedAmino Acid SequenceDrosophila ProteinsStem CellsBase SequenceG2 PhaseCell WallReceptors, NotchCell Line, TumorMenstrual CycleBacterial ProteinsEscherichia coliFlow CytometryNuclear ProteinsCaulobacter crescentusTranscription, GeneticGene Expression RegulationDrosophilaRNA, MessengerCyclin-Dependent Kinase Inhibitor p21Time FactorsRetinoblastoma ProteinEmbryo, NonmammalianPhosphorylationCyclin-Dependent Kinase Inhibitor p27Tumor Suppressor Protein p53BacteriaBody PatterningProtein-Serine-Threonine KinasesProtein BindingPeptidoglycanPhenotypeHeLa CellsG2 Phase Cell Cycle CheckpointsDNA ReplicationMembrane ProteinsCell SurvivalCell NucleusVulvaDNA DamageRepressor ProteinsMicroscopy, FluorescenceTumor Cells, CulturedCDC2 Protein KinaseG1 Phase Cell Cycle CheckpointsHomeodomain ProteinsG0 PhaseCaenorhabditis elegansBlotting, WesternPromoter Regions, GeneticTumor Suppressor ProteinsFibroblastsCaenorhabditis elegans ProteinsGene Expression ProfilingDNAMorphogenesisCyclin D1Recombinant Fusion ProteinsTransfectionCyclin-Dependent Kinase 2Basic Helix-Loop-Helix Transcription FactorsCyclin EGene ExpressionCarrier ProteinsInterphaseReceptor, Notch1ImmunohistochemistryBromodeoxyuridineGenes, cdcNeuronsKineticsIn Situ HybridizationProto-Oncogene ProteinsCyclin AReverse Transcriptase Polymerase Chain ReactionTrans-ActivatorsGreen Fluorescent ProteinsSequence Homology, Amino AcidCloning, MolecularCyclin B