Cited by 101DNA Repair MechanismsGenomics and Chromatin DynamicsCRISPR and Genetic Engineering

The Cohesin Complex Prevents the End Joining of Distant DNA Double-Strand Ends

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Gelot, Camille, Guirouilh-Barbat, Josée, Le Guen, Tangui, Dardillac, Elodie, Chailleux, Catherine, Canitrot, Yvan, Lopez, Bernard S.·2016·Molecular Cell

Abstract

The end joining of distant DNA double-strand ends (DSEs) can produce potentially deleterious rearrangements. We show that depletion of cohesion complex proteins specifically stimulates the end joining (both C-NHEJ and A-EJ) of distant, but not close, I-SceI-induced DSEs in S/G2 phases. At the genome level, whole-exome sequencing showed that ablation of RAD21 or Sororin produces large chromosomal rearrangements (translocation, duplication, deletion). Moreover, cytogenetic analysis showed that RAD21 silencing leads to the formation of chromosome fusions synergistically with replication stress, which generates distant single-ended DSEs. These data reveal a role for the cohesin complex in protecting against genome rearrangements arising from the ligation of distant DSEs in S/G2 phases (both long-range DSEs and those that are only a few kilobases apart), while keeping end joining fully active for close DSEs. Therefore, this role likely involves limitation of DSE motility specifically in S phase, rather than inhibition of the end-joining machinery itself.

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Crossref · 10.1016/j.molcel.2015.11.002

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Authors
Gelot, C., Guirouilh-Barbat, J., Le Guen, T., Dardillac, E., Chailleux, C., Canitrot, Y., & Lopez, B. S.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2016-01
Volume
61
Issue
1
Pages
15-26
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2195792396
Cited by
101
References
39
Citations by year
2026: 5 · 2025: 10 · 2024: 10 · 2023: 13 · 2022: 5 · 2021: 12 · 2020: 11 · 2019: 8 · 2018: 9 · 2017: 8 · 2016: 10
FWCI
3.91
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • Agence Nationale de la Recherche (ANR-14-CE10-0010)
  • Ligue Contre le Cancer
  • Institut National Du Cancer
  • Institute of Cancer Research
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
Keywords
cohesin, non-homologous end joining, alternative end-joining, RAD21, Sororin, chromosomal rearrangements, chromosome fusion, replication stress, S/G2 phase, I-SceI, genome stability
MeSH terms
Cohesins, Cell Line, Chromosomal Proteins, Non-Histone, Chromosome Aberrations, DNA Repair, DNA Replication, DNA-Binding Proteins, Humans, Nuclear Proteins, Phosphoproteins, Time Factors, Transfection, Deoxyribonucleases, Type II Site-Specific, Gene Rearrangement, Cell Cycle Proteins, RNA Interference, Adaptor Proteins, Signal Transducing, DNA Breaks, Double-Stranded, G2 Phase Cell Cycle Checkpoints, S Phase Cell Cycle Checkpoints

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