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Mild replication stress causes chromosome mis-segregation via premature centriole disengagement

Author

Listed:
  • Therese Wilhelm

    (University of Geneva
    Institut Gustave Roussy, CNRS UMR8200)

  • Anna-Maria Olziersky

    (University of Geneva)

  • Daniela Harry

    (University of Geneva)

  • Filipe De Sousa

    (University of Geneva)

  • Helène Vassal

    (University of Geneva
    National Institute of Applied Sciences)

  • Anja Eskat

    (University of Geneva
    University Hospital Zurich)

  • Patrick Meraldi

    (University of Geneva
    University of Geneva)

Abstract

Replication stress, a hallmark of cancerous and pre-cancerous lesions, is linked to structural chromosomal aberrations. Recent studies demonstrated that it could also lead to numerical chromosomal instability (CIN). The mechanism, however, remains elusive. Here, we show that inducing replication stress in non-cancerous cells stabilizes spindle microtubules and favours premature centriole disengagement, causing transient multipolar spindles that lead to lagging chromosomes and micronuclei. Premature centriole disengagement depends on the G2 activity of the Cdk, Plk1 and ATR kinases, implying a DNA-damage induced deregulation of the centrosome cycle. Premature centriole disengagement also occurs spontaneously in some CIN+ cancer cell lines and can be suppressed by attenuating replication stress. Finally, we show that replication stress potentiates the effect of the chemotherapeutic agent taxol, by increasing the incidence of multipolar cell divisions. We postulate that replication stress in cancer cells induces numerical CIN via transient multipolar spindles caused by premature centriole disengagement.

Suggested Citation

  • Therese Wilhelm & Anna-Maria Olziersky & Daniela Harry & Filipe De Sousa & Helène Vassal & Anja Eskat & Patrick Meraldi, 2019. "Mild replication stress causes chromosome mis-segregation via premature centriole disengagement," Nature Communications, Nature, vol. 10(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11584-0
    DOI: 10.1038/s41467-019-11584-0
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    Cited by:

    1. Lorenza Garribba & Giuseppina De Feudis & Valentino Martis & Martina Galli & Marie Dumont & Yonatan Eliezer & René Wardenaar & Marica Rosaria Ippolito & Divya Ramalingam Iyer & Andréa E. Tijhuis & Dia, 2023. "Short-term molecular consequences of chromosome mis-segregation for genome stability," Nature Communications, Nature, vol. 14(1), pages 1-17, December.
    2. Devashish Dwivedi & Daniela Harry & Patrick Meraldi, 2023. "Mild replication stress causes premature centriole disengagement via a sub-critical Plk1 activity under the control of ATR-Chk1," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    3. Revati Darp & Marc A. Vittoria & Neil J. Ganem & Craig J. Ceol, 2022. "Oncogenic BRAF induces whole-genome doubling through suppression of cytokinesis," Nature Communications, Nature, vol. 13(1), pages 1-17, December.

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