The function of Mgs1/WRNIP1 in genome maintenance

Afzali, Sara and Hegedűs, Lili and Karatayeva, Nargis and Fajka-Boja, Roberta and Burkovics, Péter (2026) The function of Mgs1/WRNIP1 in genome maintenance. FRONTIERS IN MOLECULAR BIOSCIENCES, 13. no.-1923317. ISSN 2296-889X

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Abstract

Preservation of genomic integrity during replication is challenging, because replication forks are often stalled by several forms of DNA damage or stable secondary DNA structures. Prolonged stalling of the replication fork can lead to incomplete replication, which may induce double strand breaks, genome rearrangements and cell death. Therefore, several DNA repair mechanisms evolved to rescue stalled replication forks, which can elaborate in error-free or error-prone manners. The pathway selection and the fine tuning of the collaboration between different DNA repair proteins involved in the rescue of the stalled replication fork are very important. Based on our recent knowledge, yeast Mgs1 and its human homologue WRNIP1 proteins can be excellent candidates for this fine-tuning regulator function. In this review we summarize our current knowledge about them and try to point out the most important future steps to prove this hypothesis.

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