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Cited by 667

The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.

53BP1 nuclear bodies form around DNA lesions generated by mitotic transmission of chromosomes under replication stress

Open access
Lukas, Claudia, Savic, Velibor, Bekker-Jensen, Simon, Doil, Carsten, Neumann, Beate, Sølvhøj Pedersen, Ronni, Grøfte, Merete, Chan, Kok Lung, Hickson, Ian David, Bartek, Jiri, Lukas, Jiri·2011·Nature Cell Biology

Abstract

Completion of genome duplication is challenged by structural and topological barriers that impede progression of replication forks. Although this can seriously undermine genome integrity, the fate of DNA with unresolved replication intermediates is not known. Here, we show that mild replication stress increases the frequency of chromosomal lesions that are transmitted to daughter cells. Throughout G1, these lesions are sequestered in nuclear compartments marked by p53-binding protein 1 (53BP1) and other chromatin-associated genome caretakers. We show that the number of such 53BP1 nuclear bodies increases after genetic ablation of BLM, a DNA helicase associated with dissolution of entangled DNA. Conversely, 53BP1 nuclear bodies are partially suppressed by knocking down SMC2, a condensin subunit required for mechanical stability of mitotic chromosomes. Finally, we provide evidence that 53BP1 nuclear bodies shield chromosomal fragile sites sequestered in these compartments against erosion. Together, these data indicate that restoration of DNA or chromatin integrity at loci prone to replication problems requires mitotic transmission to the next cell generations.

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Crossref · 10.1038/ncb2201

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Metadata

Authors
Lukas, C., Savic, V., Bekker-Jensen, S., Doil, C., Neumann, B., Sølvhøj Pedersen, R., Grøfte, M., Chan, K. L., Hickson, I. D., Bartek, J., & Lukas, J.
Venue
Nature Cell Biology
Published
2011-02-13
Volume
13
Issue
3
Pages
243-253
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2025555587
Cited by
667
References
52
FWCI
18.93
Type
journal article
Language
en
Open access
green

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