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 …

Mechanisms of mitotic spindle assembly

S Petry - Annual review of biochemistry, 2016 - annualreviews.org
Life depends on cell proliferation and the accurate segregation of chromosomes, which are
mediated by the microtubule (MT)-based mitotic spindle and∼ 200 essential MT-associated …

Severing enzymes amplify microtubule arrays through lattice GTP-tubulin incorporation

A Vemu, E Szczesna, EA Zehr, JO Spector, N Grigorieff… - Science, 2018 - science.org
INTRODUCTION The microtubule cytoskeleton is continuously sculpted by polymerization,
depolymerization, cross-linking, and microtubule severing. Microtubule severing generates …

Graded control of microtubule severing by tubulin glutamylation

ML Valenstein, A Roll-Mecak - Cell, 2016 - cell.com
Microtubule-severing enzymes are critical for the biogenesis and maintenance of complex
microtubule arrays in axons, spindles, and cilia where tubulin detyrosination, acetylation …

Microtubule-severing enzymes: From cellular functions to molecular mechanism

FJ McNally, A Roll-Mecak - Journal of Cell Biology, 2018 - rupress.org
Microtubule severing was first reported in Xenopus laevis egg extracts (Vale, 1991). The first
microtubule-severing enzyme was purified from sea urchin eggs (McNally and Vale, 1993) …

What determines cell size?

WF Marshall, KD Young, M Swaffer, E Wood, P Nurse… - BMC biology, 2012 - Springer
© 2012 Marshall et al; licensee BioMed Central Ltd. This is an Open Access article
distributed under the terms of the Creative Commons Attribution License (http …

Emergent complexity of the cytoskeleton: from single filaments to tissue

F Huber, J Schnauß, S Rönicke, P Rauch… - Advances in …, 2013 - Taylor & Francis
Despite their overwhelming complexity, living cells display a high degree of internal
mechanical and functional organization which can largely be attributed to the intracellular …

Cytoplasmic volume modulates spindle size during embryogenesis

MC Good, MD Vahey, A Skandarajah, DA Fletcher… - Science, 2013 - science.org
Rapid and reductive cell divisions during embryogenesis require that intracellular structures
adapt to a wide range of cell sizes. The mitotic spindle presents a central example of this …

Microtubule minus-end regulation at spindle poles by an ASPM–katanin complex

K Jiang, L Rezabkova, S Hua, Q Liu, G Capitani… - Nature cell …, 2017 - nature.com
ASPM (known as Asp in fly and ASPM-1 in worm) is a microcephaly-associated protein
family that regulates spindle architecture, but the underlying mechanism is poorly …

Cutting, amplifying, and aligning microtubules with severing enzymes

YW Kuo, J Howard - Trends in cell biology, 2021 - cell.com
Microtubule-severing enzymes–katanin, spastin, fidgetin–are related AAA-ATPases that cut
microtubules into shorter filaments. These proteins, also called severases, are involved in a …