2022
DOI: 10.1101/2022.10.27.514025
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The nucleolar protein GNL3 prevents resection of stalled replication forks

Abstract: DNA replication by the replisome requires specific proteins that protect replication forks and so prevent the formation of DNA lesions that may damage the genome. Here, we show that human GNL3/nucleostemin, a GTP-binding protein localized in the nucleolus and the nucleoplasm, is a new component of the replisome. Depletion of GNL3 reduces fork speed but increases replication origin firing. When subjected to replication stress, the nascent DNA of GNL3-depleted cells undergoes nuclease-dependent resection, a sour… Show more

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