Nature Communications (Jul 2019)

Poly(ADP-ribose) polymerase-1 antagonizes DNA resection at double-strand breaks

  • Marie-Christine Caron,
  • Ajit K. Sharma,
  • Julia O’Sullivan,
  • Logan R. Myler,
  • Maria Tedim Ferreira,
  • Amélie Rodrigue,
  • Yan Coulombe,
  • Chantal Ethier,
  • Jean-Philippe Gagné,
  • Marie-France Langelier,
  • John M. Pascal,
  • Ilya J. Finkelstein,
  • Michael J. Hendzel,
  • Guy G. Poirier,
  • Jean-Yves Masson

DOI
https://doi.org/10.1038/s41467-019-10741-9
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 16

Abstract

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Poly(ADP-ribose) polymerase-1 (PARP-1) facilitates local chromatin relaxation and the recruitment of DNA repair factors at double strand breaks site (DSBs). Here the authors reveal that PARP-1 acts as a critical regulator of DNA end resection of DSBs.