ArticleScientific reports2022
The rate of microtubule breaking increases exponentially with curvature.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Microtubule stiffening by the doublecortin-domain protein ZYG-8 contributes to mitotic spindle orientation during zygote division in Caenorhabditis elegans.PLoS genetics · 2026Article
- Kinesin-Induced Buckling Reveals the Limits of Microtubule Self-Repair.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Disrupting VDAC1-tubulin interaction uncovers crosstalk between mitochondrial and microtubule functions with implication to cancer therapy.Cellular and molecular life sciences : CMLS · 2026Article
- Mechanical force locally damages, remodels, and stabilizes the lattice of spindle microtubules.Current biology : CB · 2026Article
- SSNA1 mechanically reinforces the damaged microtubule lattice.bioRxiv : the preprint server for biology · 2026Article
- Active spiralling of microtubules driven by kinesin motors.Scientific reports · 2025Article
- Mechanical fatigue in microtubules.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microtubules, cylindrical assemblies of tubulin proteins with a 25 nm diameter and micrometer lengths, are a central part of the cytoskeleton and also serve as building blocks for nanobiodevices. Microtubule breaking can result from the activity of severing enzymes and mechanical stress. Breaking can lead to a loss of structural integrity, or an increase in the numbers of microtubules. We observed breaking of taxol-stabilized microtubules in a gliding motility assay where microtubules are propelled by surface-adhered kinesin-1 motor proteins. We find that over 95% of all breaking events are associated with the strong bending following pinning events (where the leading tip of the microtubule becomes stuck). Furthermore, the breaking rate increased exponentially with increasing curvature. These observations are explained by a model accounting for the complex mechanochemistry of a microtubule. The presence of severing enzymes is not required to observe breaking at rates comparable to those measured previously in cells.
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Registered trials
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.