Results 31 to 40 of about 75,941 (270)

Anillin propels myosin-independent constriction of actin rings

open access: yesNature Communications, 2021
Cytokinetic ring constriction during cell division requires actin but curiously is independent of myosin in many organisms. Here, the authors show that anillin, a protein enriched in the contractile ring, is a non-motor actin crosslinker that generates ...
Ondřej Kučera   +8 more
doaj   +1 more source

The integrity of the cytokinesis machinery under stress conditions requires the glucan synthase Bgs1p and its regulator Cfh3p. [PDF]

open access: yesPLoS ONE, 2012
In yeast, cytokinesis requires coordination between nuclear division, acto-myosin ring contraction, and septum synthesis. We studied the role of the Schizosaccharomyces pombe Bgs1p and Cfh3p proteins during cytokinesis under stress conditions.
Mohammad Reza Sharifmoghadam   +6 more
doaj   +1 more source

Equatorial Non-muscle Myosin II and Plastin Cooperate to Align and Compact F-actin Bundles in the Cytokinetic Ring

open access: yesFrontiers in Cell and Developmental Biology, 2020
Cytokinesis is the last step of cell division that physically partitions the mother cell into two daughter cells. Cytokinesis requires the assembly and constriction of a contractile ring, a circumferential array of filamentous actin (F-actin), non-muscle
Joana Leite   +15 more
doaj   +1 more source

Inhibition of polar actin assembly by astral microtubules is required for cytokinesis

open access: yesNature Communications, 2021
During cell division, the actin cytoskeletal network at both the equatorial contractile ring and cell cortex are known to play a role, but the regulation of γ-actin during cytokinesis is less well understood.
Anan Chen   +6 more
doaj   +1 more source

Dynamics of myosin, microtubules, and Kinesin-6 at the cortex during cytokinesis in Drosophila S2 cells [PDF]

open access: yes, 2009
© The Authors, 2009 . This article is distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License. The definitive version was published in Journal of Cell Biology 186 (2009): 727-738, doi:10.1083/jcb ...
Vale, Ronald D.   +5 more
core   +1 more source

THE CONTRACTILE RING [PDF]

open access: yesThe Journal of Cell Biology, 1972
The first cleavage furrow in eggs of Arbacia (sea urchin) is accompanied by a uniform ring of aligned microfilaments, called the contractile ring. Individual contractile ring filaments measure 35–60 A and occasionally appear "hollow." The contractile ring exists from about 20 sec after anaphase to the end of furrowing activity, i.e., 6–7 min at 20°C ...
openaire   +1 more source

C. elegans CLASP/CLS-2 negatively regulates membrane ingression throughout the oocyte cortex and is required for polar body extrusion.

open access: yesPLoS Genetics, 2020
The requirements for oocyte meiotic cytokinesis during polar body extrusion are not well understood. In particular, the relationship between the oocyte meiotic spindle and polar body contractile ring dynamics remains largely unknown.
Aleesa J Schlientz, Bruce Bowerman
doaj   +1 more source

Network Contractility during Cytokinesis—From Molecular to Global Views

open access: yesBiomolecules, 2019
Cytokinesis is the last stage of cell division, which partitions the mother cell into two daughter cells. It requires the assembly and constriction of a contractile ring that consists of a filamentous contractile network of actin and myosin.
Joana Leite   +4 more
doaj   +1 more source

Encapsulated actomyosin patterns drive cell-like membrane shape changes

open access: yesiScience, 2022
Summary: Cell shape changes from locomotion to cytokinesis are, to a large extent, driven by myosin-driven remodeling of cortical actin patterns.
Yashar Bashirzadeh   +2 more
doaj   +1 more source

Fission yeast type 2 node proteins Blt1p and Gef2p cooperate to ensure timely completion of cytokinesis

open access: yesBMC Molecular and Cell Biology, 2019
Background The conserved NDR-family kinase Sid2p localizes to the contractile ring during fission yeast cytokinesis to promote ring constriction, septation, and completion of cell division.
Lois Kwon   +3 more
doaj   +1 more source

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