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Assembly Mechanism of the Contractile Ring for Cytokinesis by Fission Yeast
Abstract
Animals and fungi assemble a contractile ring of actin filaments and the motor protein myosin to separate into individual daughter cells during cytokinesis. We used fluorescence microscopy of live fission yeast cells to observe that membrane-bound nodes containing myosin were broadly distributed around the cell equator and assembled into a contractile ring through stochastic motions, after a meshwork of dynamic actin filaments appeared. Analysis of node motions and numerical simulations supported a mechanism whereby transient connections are established when myosins in one node capture and exert force on actin filaments growing from other nodes.
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Cited by
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Kadzik, R. S., Homa, K. E., & Kovar, D. R. (2020) · Annual Review of Cell and Developmental Biology · doi:10.1146/annurev-cellbio-032320-094706 · Cited by 120
MEDYAN: mechanochemical simulations of contraction and polarity alignment in actomyosin networks
Popov, K., Komianos, J., & Papoian, G. A. (2016) · PLOS Computational Biology · doi:10.1371/journal.pcbi.1004877 · Cited by 104
Controlling cell size through sizer mechanisms
Facchetti, G., Chang, F., & Howard, M. (2017) · Current Opinion in Systems Biology · doi:10.1016/j.coisb.2017.08.010 · Cited by 90
Minimal coarse-grained models for molecular self-organisation in biology
Hafner, A. E., Krausser, J., & Šarić, A. (2019) · Current Opinion in Structural Biology · doi:10.1016/j.sbi.2019.05.018 · Cited by 58
mNG-tagged fusion proteins and nanobodies to visualize tropomyosins in yeast and mammalian cells
Hatano, T., Lim, T. C., Billault-Chaumartin, I., Dhar, A., Gu, Y., Massam-Wu, T., Scott, W., Adishesha, S., Chapa-y-Lazo, B., Springall, L., et al. (2022) · Journal of Cell Science · doi:10.1242/jcs.260288 · Cited by 19
Metadata
- Authors
- Vavylonis, D., Wu, J.-Q., Hao, S., O'Shaughnessy, B., & Pollard, T. D.
- Venue
- Science
- Published
- 2008-01-04
- Volume
- 319
- Issue
- 5859
- Pages
- 97-100
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2056889742
- Cited by
- 362
- References
- 0
- FWCI
- 7.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Assembly Mechanism of the Contractile Ring for Cytokinesis by Fission Yeast. https://app.cochat.ai/papers/10.1126/science.1151086
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- Vavylonis, D., Wu, J.-Q., Hao, S., O'Shaughnessy, B., & Pollard, T. D. (2008). Assembly Mechanism of the Contractile Ring for Cytokinesis by Fission Yeast. Science. https://doi.org/10.1126/science.1151086
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
