Nature Communications (Feb 2023)

Mitotic DNA synthesis in response to replication stress requires the sequential action of DNA polymerases zeta and delta in human cells

  • Wei Wu,
  • Szymon A. Barwacz,
  • Rahul Bhowmick,
  • Katrine Lundgaard,
  • Marisa M. Gonçalves Dinis,
  • Malgorzata Clausen,
  • Masato T. Kanemaki,
  • Ying Liu

DOI
https://doi.org/10.1038/s41467-023-35992-5
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 17

Abstract

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DNA replication stress can generate under-replicated DNA regions which is fixed by an atypical form of DNA repair synthesis in mitosis (MiDAS). Here the authors show that translesion and replicative DNA polymerases cooperate via the POLD3 subunit to complete MiDAS in human cells.