Nature Communications (Jan 2020)

Treacle controls the nucleolar response to rDNA breaks via TOPBP1 recruitment and ATR activation

  • Clémence Mooser,
  • Ioanna-Eleni Symeonidou,
  • Pia-Amata Leimbacher,
  • Alison Ribeiro,
  • Ann-Marie K. Shorrocks,
  • Stephanie Jungmichel,
  • Sara C. Larsen,
  • Katja Knechtle,
  • Arti Jasrotia,
  • Diana Zurbriggen,
  • Alain Jeanrenaud,
  • Colin Leikauf,
  • Daniel Fink,
  • Michael L. Nielsen,
  • Andrew N. Blackford,
  • Manuel Stucki

DOI
https://doi.org/10.1038/s41467-019-13981-x
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 16

Abstract

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DNA double-strand breaks in ribosomal DNA repeats is associated with repression of ribosomal RNA synthesis. Here the authors reveal a cooperation between TOPBP1 and Treacle in the signaling cascade that triggers transcriptional inhibition and nucleolar segregation in response to rDNA breaks.