Mechanisms underlying spindle assembly and robustness

VA Valdez, L Neahring, S Petry… - Nature Reviews Molecular …, 2023 - nature.com
The microtubule-based spindle orchestrates chromosome segregation during cell division.
Following more than a century of study, many components and pathways contributing to …

Spindle assembly and mitosis in plants

B Liu, YRJ Lee - Annual Review of Plant Biology, 2022 - annualreviews.org
In contrast to well-studied fungal and animal cells, plant cells assemble bipolar spindles that
exhibit a great deal of plasticity in the absence of structurally defined microtubule-organizing …

Dynamic kinetochore size regulation promotes microtubule capture and chromosome biorientation in mitosis

C Sacristan, MUD Ahmad, J Keller, J Fermie… - Nature cell …, 2018 - nature.com
Faithful chromosome segregation depends on the ability of sister kinetochores to attach to
spindle microtubules. The outer layer of kinetochores transiently expands in early mitosis to …

Three-dimensional structure of kinetochore-fibers in human mitotic spindles

R Kiewisz, G Fabig, W Conway, D Baum, D Needleman… - Elife, 2022 - elifesciences.org
During cell division, kinetochore microtubules (KMTs) provide a physical linkage between
the chromosomes and the rest of the spindle. KMTs in mammalian cells are organized into …

Microtubule poleward flux in human cells is driven by the coordinated action of four kinesins

Y Steblyanko, G Rajendraprasad, M Osswald… - The EMBO …, 2020 - embopress.org
Mitotic spindle microtubules (MT s) undergo continuous poleward flux, whose driving force
and function in humans remain unclear. Here, we combined loss‐of‐function screenings …

Microtubule sliding within the bridging fiber pushes kinetochore fibers apart to segregate chromosomes

K Vukušić, R Buđa, A Bosilj, A Milas, N Pavin, IM Tolić - Developmental cell, 2017 - cell.com
During cell division, mitotic spindle microtubules segregate chromosomes by exerting forces
on kinetochores. What forces drive chromosome segregation in anaphase remains a central …

Optogenetic control of PRC1 reveals its role in chromosome alignment on the spindle by overlap length-dependent forces

M Jagrić, P Risteski, J Martinčić, A Milas, IM Tolić - Elife, 2021 - elifesciences.org
During metaphase, chromosome position at the spindle equator is regulated by the forces
exerted by kinetochore microtubules and polar ejection forces. However, the role of forces …

Biomechanics of chromosome alignment at the spindle midplane

P Risteski, M Jagrić, N Pavin, IM Tolić - Current Biology, 2021 - cell.com
During metaphase, chromosomes are aligned in a lineup at the equatorial plane of the
spindle to ensure synchronous poleward movement of chromatids in anaphase and proper …

Kinetochore-and chromosome-driven transition of microtubules into bundles promotes spindle assembly

J Matković, S Ghosh, M Ćosić, S Eibes… - Nature …, 2022 - nature.com
Mitotic spindle assembly is crucial for chromosome segregation and relies on bundles of
microtubules that extend from the poles and overlap in the middle. However, how these …

PRC1: linking cytokinesis, chromosomal instability, and cancer evolution

J Li, M Dallmayer, T Kirchner, J Musa, TGP Grünewald - Trends in cancer, 2018 - cell.com
Cytokinesis is the final event of the cell cycle dividing one cell into two daughter cells. The
protein regulator of cytokinesis (PRC) 1 is essential for cytokinesis and normal cell cleavage …