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Article Dans Une Revue DNA Repair Année : 2023

Compartmentalization of the DNA damage response: Mechanisms and functions

Jihane Basbous
Angelos Constantinou
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Résumé

Cells have evolved an arsenal of molecular mechanisms to respond to continuous alterations in the primary structure of DNA. At the cellular level, DNA damage response proteins accumulate at sites of DNA damage and organize into nuclear foci. As recounted by Errol Friedberg, pioneering work on DNA repair in the 1930 s was stimulated by collaborations between physicists and geneticists. In recent years, the introduction of ideas from physics on self-organizing compartments has taken the field of cell biology by storm. Percolation and phase separation theories are increasingly used to model the self-assembly of compartments, called biomolecular condensates, that selectively concentrate molecules without a surrounding membrane. In this review, we discuss these concepts in the context of the DNA damage response. We discuss how studies of DNA repair foci as condensates can link molecular mechanisms with cell physiological functions, provide new insights into regulatory mechanisms, and open new perspectives for targeting DNA damage responses for therapeutic purposes.
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Dates et versions

hal-04251195 , version 1 (20-10-2023)

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Emile Alghoul, Jihane Basbous, Angelos Constantinou. Compartmentalization of the DNA damage response: Mechanisms and functions. DNA Repair, 2023, 128, pp.103524. ⟨10.1016/j.dnarep.2023.103524⟩. ⟨hal-04251195⟩
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