Evidence map›Paper›PMID 25225337›Full record

ArticleThe Journal of cell biology2014

Chromosome length and perinuclear attachment constrain resolution of DNA intertwines.

Iris Titos, Tsvetomira Ivanova, Manuel Mendoza

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.7field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 27 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Iris TitosCentre for Genomic Regulation, 08003 Barcelona, Spain Universitat Pompeu Fabra, 08003 Barcelona, Spain.
Tsvetomira IvanovaCentre for Genomic Regulation, 08003 Barcelona, Spain Universitat Pompeu Fabra, 08003 Barcelona, Spain.
Manuel MendozaCentre for Genomic Regulation, 08003 Barcelona, Spain Universitat Pompeu Fabra, 08003 Barcelona, Spain manuel.mendoza@crg.es.
Centre for Genomic Regulation · ESPompeu Fabra University · ES

Funding

European Research Council 260965
6 · The paper itself

Abstract

To allow chromosome segregation, topoisomerase II (topo II) must resolve sister chromatid intertwines (SCI) formed during deoxynucleic acid (DNA) replication. How this process extends to the full genome is not well understood. In budding yeast, the unique structure of the ribosomal DNA (rDNA) array is thought to cause late SCI resolution of this genomic region during anaphase. In this paper, we show that chromosome length, and not the presence of rDNA repeats, is the critical feature determining the time of topo II-dependent segregation. Segregation of chromosomes lacking rDNA also requires the function of topo II in anaphase, and increasing chromosome length aggravates missegregation in topo II mutant cells. Furthermore, anaphase Stu2-dependent microtubule dynamics are critical for separation of long chromosomes. Finally, defects caused by topo II or Stu2 impairment depend on attachment of telomeres to the nuclear envelope. We propose that topological constraints imposed by chromosome length and perinuclear attachment determine the amount of SCI that topo II and dynamic microtubules resolve during anaphase.

Indexed as

Chromosome SegregationAnaphaseChromosomes, FungalDNA-Binding ProteinsDNA, FungalDNA HelicasesDNA ReplicationDNA, RibosomalDNA Topoisomerases, Type IIG2 PhaseMicrotubule-Associated ProteinsMicrotubulesMutationNuclear EnvelopeNuclear ProteinsSaccharomyces cerevisiaeDNA-Binding ProteinsDNA, FungalDNA HelicasesDNA, RibosomalDNA Topoisomerases, Type IIEsc1 protein, S cerevisiaeMicrotubule-Associated ProteinsNuclear ProteinsSaccharomyces cerevisiae ProteinsSTU2 protein, S cerevisiaeY'-helicase protein 1, S cerevisiaeYKU70 protein, S cerevisiae

Identifiers

PMID25225337
PMCPMC4164948
OpenAlexW2105618568

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.