Cell AgingCyclin-Dependent Kinase Inhibitor p16TelomereAgingTumor Suppressor Protein p53FibroblastsPlant LeavesTelomeraseCyclin-Dependent Kinase Inhibitor p21Aging, Prematurebeta-GalactosidaseDNA DamageCell ProliferationTelomere ShorteningCells, CulturedRetinoblastoma ProteinChlorophyllGene Expression Regulation, PlantEthylenesOxidative StressCell CycleTumor Suppressor Protein p14ARFSignal TransductionLongevityCell Line, TumorCell Cycle CheckpointsCell Transformation, NeoplasticApoptosisArabidopsisPhenotypeReactive Oxygen SpeciesPlant Growth RegulatorsTumor Suppressor ProteinsSirtuin 1Cell LinePlant ProteinsFlowersCell DivisionPlants, Genetically ModifiedArabidopsis ProteinsCytokininsPetuniaDown-RegulationRNA InterferenceRNA, Small Interferingras ProteinsGene Expression RegulationDiploidyNeoplasmsMutationTelomeric Repeat Binding Protein 2Nuclear ProteinsModels, BiologicalDNA-Binding ProteinsCyclopentanesHydrogen PeroxideUp-RegulationProgeriaOxylipinsCell Cycle ProteinsCell Line, TransformedPlant StemsDarknessCyclin-Dependent Kinase Inhibitor p15Transcription FactorsGenes, rasForeskinGene Knockdown TechniquesBlotting, WesternTime FactorsReverse Transcriptase Polymerase Chain ReactionGenes, p16Gene Expression ProfilingRepressor ProteinsAlstroemeriaOncogenesReproductionProtein-Serine-Threonine KinasesEndothelial CellsHCT116 CellsWerner SyndromeGenes, p53Oncogene Protein p21(ras)AutophagyDianthusTOR Serine-Threonine KinasesCyclin-Dependent Kinase Inhibitor p19Mice, KnockoutRNA, MessengerStress, PhysiologicalOxidantsRNA, PlantCyclinsProto-Oncogene Proteins c-mycGene Expression Regulation, NeoplasticHeterochromatinCyclin-Dependent Kinase 6Polycomb Repressive Complex 1MelanocytesTelomere Homeostasis