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- W4366208730 endingPage "1169" @default.
- W4366208730 startingPage "1169" @default.
- W4366208730 abstract "Homologous recombination (HR), an evolutionary conserved pathway, plays a paramount role(s) in genome plasticity. The pivotal HR step is the strand invasion/exchange of double-stranded DNA by a homologous single-stranded DNA (ssDNA) covered by RAD51. Thus, RAD51 plays a prime role in HR through this canonical catalytic strand invasion/exchange activity. The mutations in many HR genes cause oncogenesis. Surprisingly, despite its central role in HR, the invalidation of RAD51 is not classified as being cancer prone, constituting the RAD51 paradox. This suggests that RAD51 exercises other noncanonical roles that are independent of its catalytic strand invasion/exchange function. For example, the binding of RAD51 on ssDNA prevents nonconservative mutagenic DNA repair, which is independent of its strand exchange activity but relies on its ssDNA occupancy. At the arrested replication forks, RAD51 plays several noncanonical roles in the formation, protection, and management of fork reversal, allowing for the resumption of replication. RAD51 also exhibits noncanonical roles in RNA-mediated processes. Finally, RAD51 pathogenic variants have been described in the congenital mirror movement syndrome, revealing an unexpected role in brain development. In this review, we present and discuss the different noncanonical roles of RAD51, whose presence does not automatically result in an HR event, revealing the multiple faces of this prominent actor in genomic plasticity." @default.
- W4366208730 created "2023-04-19" @default.
- W4366208730 creator A5018470906 @default.
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- W4366208730 creator A5046374543 @default.
- W4366208730 creator A5046397498 @default.
- W4366208730 creator A5087457979 @default.
- W4366208730 date "2023-04-15" @default.
- W4366208730 modified "2023-10-18" @default.
- W4366208730 title "Noncanonical Roles of RAD51" @default.
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