Telomere uncapping in senescent cells is accompanied by loss of the TRF2 telomere capping factor and upregulation of the long noncoding RNA TERRA. Here the authors characterize the TERRA transcriptome and show that TERRA upregulation may promote SUV39H1 recruitment, H3K9 trimethylation and telomere end-to-end fusions.
- Antonio Porro
- Sascha Feuerhahn
- Joachim Lingner