HeterochromatinCell AgingEuchromatinChromosomal Proteins, Non-HistoneCentromereHistonesGene SilencingTelomereChromatin Assembly and DisassemblySchizosaccharomycesMethylationChromatinSchizosaccharomyces pombe ProteinsDrosophila melanogasterDNA, SatelliteHistone-Lysine N-MethyltransferaseMethyltransferasesChromosomesChromosomal Position EffectsEpigenesis, GeneticRNA InterferenceCell NucleusLysineSilent Information Regulator Proteins, Saccharomyces cerevisiaeCyclin-Dependent Kinase Inhibitor p16