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Cited by 175Telomeres, Telomerase, and SenescenceNuclear Structure and FunctionGenomics and Chromatin Dynamics

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Probing PML body function in ALT cells reveals spatiotemporal requirements for telomere recombination.

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Draskovic, Irena, Arnoult, Nausica, Steiner, Villier, Bacchetti, Silvia, Lomonte, Patrick, Londoño-Vallejo, Arturo·2009·Proceedings of the National Academy of Sciences
DOI 10.1073/pnas.0907689106PMC PMC2747187
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Abstract

Promyelocytic leukemia (PML) bodies (also called ND10) are dynamic nuclear structures implicated in a wide variety of cellular processes. ALT-associated PML bodies (APBs) are specialized PML bodies found exclusively in telomerase-negative tumors in which telomeres are maintained by recombination-based alternative (ALT) mechanisms. Although it has been suggested that APBs are directly implicated in telomere metabolism of ALT cells, their precise role and structure have remained elusive. Here we show that PML bodies in ALT cells associate with chromosome ends forming small, spatially well-defined clusters, containing on average 2–5 telomeres. Using an innovative approach that gently enlarges PML bodies in living cells while retaining their overall organization, we show that this physical enlargement of APBs spatially resolves the single telomeres in the cluster, but does not perturb the potential of the APB to recruit chromosome extremities. We show that telomere clustering in PML bodies is cell-cycle regulated and that unique telomeres within a cluster associate with recombination proteins. Enlargement of APBs induced the accumulation of telomere-telomere recombination intermediates visible on metaphase spreads and connecting heterologous chromosomes. The strand composition of these recombination intermediates indicated that this recombination is constrained to a narrow time window in the cell cycle following replication. These data provide strong evidence that PML bodies are not only a marker for ALT cells but play a direct role in telomere recombination, both by bringing together chromosome ends and by promoting telomere-telomere interactions between heterologous chromosomes.

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Metadata

Authors
Draskovic, I., Arnoult, N., Steiner, V., Bacchetti, S., Lomonte, P., & Londoño-Vallejo, A.
Affiliations
  • Institut Curie, 26 rue d'Ulm, 75248 Paris, France; Université Pierre et Marie Curie 06, 75005 Paris, France; Centre National de la Recherche Scientifique, Unité Mixte de Recherche 3244;
  • Centre National de la Recherche Scientifique (FR)
  • Instituto Nazionale Tumori Regina Elena (IT)
ORCID
Venue
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences
Published
2009-09-15
Volume
106
Issue
37
Pages
15726-15731
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
DOI
10.1073/pnas.0907689106
PMC
PMC2747187
OpenAlex
W2075977300
Cited by
175
References
34
Citations by year
2026: 5 · 2025: 9 · 2024: 15 · 2023: 15 · 2022: 11 · 2021: 18 · 2020: 13 · 2019: 12 · 2018: 2 · 2017: 7 · 2016: 10 · 2015: 8 · 2014: 8 · 2013: 10 · 2012: 13
FWCI
7.07
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
PML bodies, ALT-associated PML bodies, telomere recombination, alternative lengthening of telomeres, telomere clustering, telomerase-negative cells, cell cycle regulation, recombination intermediates, ND10
MeSH terms
Promyelocytic Leukemia Protein, Cell Cycle, Cell Line, Humans, Nuclear Proteins, Recombination, Genetic, Transcription Factors, Telomere, In Situ Hybridization, Fluorescence, Fluorescent Antibody Technique, Indirect, Telomerase, Tumor Suppressor Proteins, Telomeric Repeat Binding Protein 2, Intranuclear Space, Cell Line, Tumor

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