Evidence map›Paper›PMID 21822289›Full record

ArticleNature2011

Polar actomyosin contractility destabilizes the position of the cytokinetic furrow.

Jakub Sedzinski, Maté Biro, Annelie Oswald, Jean-Yves Tinevez, Guillaume Salbreux, Ewa Paluch

Abstract read
PubMed Publisher
In one paragraph

Article in Nature, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 166 papers.

0numbers the graph read from it
0cells of the map it votes in
166citing papers in PubMed
15.1field-weighted citation impact, top 1% 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

166 citing papers in PubMed, 356 citations in OpenAlex.

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  8. Dynamic Plasma Membrane Topography Linked With Arp2/3 Actin Network Induction During Cell Shape Change.BioEssays : news and reviews in molecular, cellular and developmental biology · 2025
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  13. Asymmetric fluctuations and self-folding of active interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
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  15. Review
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  19. Article
  20. Article

106 more citing papers are in PubMed but not listed here.

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

6 authors at 3 institutions in 2 countries.

Jakub SedzinskiMax Planck Institute of Molecular Cell Biology and Genetics, 01307 Dresden, Germany.
Maté Biro
Annelie Oswald
Jean-Yves Tinevez
Guillaume Salbreux
Ewa Paluch
Max Planck Institute of Molecular Cell Biology and Genetics · DEInternational Institute of Molecular and Cell Biology · PLMax Planck Institute for the Physics of Complex Systems · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytokinesis, the physical separation of daughter cells at the end of mitosis, requires precise regulation of the mechanical properties of the cell periphery. Although studies of cytokinetic mechanics mostly focus on the equatorial constriction ring, a contractile actomyosin cortex is also present at the poles of dividing cells. Whether polar forces influence cytokinetic cell shape and furrow positioning remains an open question. Here we demonstrate that the polar cortex makes cytokinesis inherently unstable. We show that limited asymmetric polar contractions occur during cytokinesis, and that perturbing the polar cortex leads to cell shape oscillations, resulting in furrow displacement and aneuploidy. A theoretical model based on a competition between cortex turnover and contraction dynamics accurately accounts for the oscillations. We further propose that membrane blebs, which commonly form at the poles of dividing cells and whose role in cytokinesis has long been enigmatic, stabilize cell shape by acting as valves releasing cortical contractility. Our findings reveal an inherent instability in the shape of the dividing cell and unveil a novel, spindle-independent mechanism ensuring the stability of cleavage furrow positioning.

Indexed as

ActomyosinAmidesAneuploidyCell LineCell ShapeCell SizeCytokinesisHeLa CellsHumansModels, BiologicalPyridinesActomyosinAmidesPyridinesY 27632

Identifiers

PMID21822289
OpenAlexW2062004475

What OpenQuestion holds

Textmetadata
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.