Biochemical and mechanical regulation of actin dynamics

P Lappalainen, T Kotila, A Jégou… - … Reviews Molecular Cell …, 2022 - nature.com
Polymerization of actin filaments against membranes produces force for numerous cellular
processes, such as migration, morphogenesis, endocytosis, phagocytosis and organelle …

The evolution of compositionally and functionally distinct actin filaments

PW Gunning, U Ghoshdastider… - Journal of cell …, 2015 - journals.biologists.com
The actin filament is astonishingly well conserved across a diverse set of eukaryotic species.
It has essentially remained unchanged in the billion years that separate yeast, Arabidopsis …

Mechanisms of actin filament severing and elongation by formins

NJ Palmer, KR Barrie, R Dominguez - Nature, 2024 - nature.com
Humans express 15 formins that play crucial roles in actin-based processes, including
cytokinesis, cell motility and mechanotransduction,. However, the lack of structures bound to …

Mechanisms of formin-mediated actin assembly and dynamics

N Courtemanche - Biophysical reviews, 2018 - Springer
Cellular viability requires tight regulation of actin cytoskeletal dynamics. Distinct families of
nucleation-promoting factors enable the rapid assembly of filament nuclei that elongate and …

Forces generated by lamellipodial actin filament elongation regulate the WAVE complex during cell migration

A Mehidi, F Kage, Z Karatas, M Cercy, M Schaks… - Nature Cell …, 2021 - nature.com
Actin filaments generate mechanical forces that drive membrane movements during
trafficking, endocytosis and cell migration. Reciprocally, adaptations of actin networks to …

Cdc42 mediates Bmp-induced sprouting angiogenesis through Fmnl3-driven assembly of endothelial filopodia in zebrafish

Y Wakayama, S Fukuhara, K Ando, M Matsuda… - Developmental cell, 2015 - cell.com
During angiogenesis in vivo, endothelial cells (ECs) at the tips of vascular sprouts actively
extend filopodia that are filled with bundles of linear actin filaments. To date, signaling …

[HTML][HTML] Towards a structural understanding of the remodeling of the actin cytoskeleton

F Merino, S Pospich, S Raunser - Seminars in cell & developmental biology, 2020 - Elsevier
Actin filaments (F-actin) are a key component of eukaryotic cells. Whether serving as a
scaffold for myosin or using their polymerization to push onto cellular components, their …

[HTML][HTML] Actin filament dynamics at barbed ends: New structures, new insights

N Courtemanche, JL Henty-Ridilla - Current opinion in cell biology, 2024 - Elsevier
The dynamic actin cytoskeleton contributes to many critical biological processes by
providing the structural support underlying the morphology of most cells, facilitating …

Formin and capping protein together embrace the actin filament in a ménage à trois

S Shekhar, M Kerleau, S Kühn, J Pernier… - Nature …, 2015 - nature.com
Proteins targeting actin filament barbed ends play a pivotal role in motile processes. While
formins enhance filament assembly, capping protein (CP) blocks polymerization. On their …

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

A Chen, L Ulloa Severino, TC Panagiotou… - Nature …, 2021 - nature.com
During cytokinesis, the actin cytoskeleton is partitioned into two spatially distinct actin
isoform specific networks: a β-actin network that generates the equatorial contractile ring …