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Treacle-dependent TOPBP1 condensation regulates the nucleolar DNA damage response.
Induction of DNA double-strand breaks (DSBs) in ribosomal DNA (rDNA) repeats is associated with ATM-dependent repression of ribosomal RNA synthesis and large-scale reorganization of nucleolar architecture, but the signaling events that regulate these responses are largely elusive. Here we show that ...
ORGANISM(S): Homo sapiens (Human) 
2019-12-06 | PXD015138 | Pride
We show that Treacle promotes phase separation of TOPBP1 within the FC to initiate spatially confined n-DDR signaling and to direct rDNA repair pathway choice. Using both a reductionist FKBP-based system for inducible TOPBP1 oligomerization and physiological models of genotoxic rDNA damage, we demon...
ORGANISM(S): Homo sapiens 
2026-05-27 | GSE316591 | GEO
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