The actin cortex at a glance

P Chugh, EK Paluch - Journal of cell science, 2018 - journals.biologists.com
Precisely controlled cell deformations are key to cell migration, division and tissue
morphogenesis, and have been implicated in cell differentiation during development, as well …

Tension, contraction and tissue morphogenesis

NC Heer, AC Martin - Development, 2017 - journals.biologists.com
D'Arcy Thompson was a proponent of applying mathematical and physical principles to
biological systems, an approach that is becoming increasingly common in developmental …

[HTML][HTML] Reassessment of exosome composition

DK Jeppesen, AM Fenix, JL Franklin, JN Higginbotham… - Cell, 2019 - cell.com
The heterogeneity of small extracellular vesicles and presence of non-vesicular extracellular
matter have led to debate about contents and functional properties of exosomes. Here, we …

Physical activation of innate immunity by spiky particles

J Wang, HJ Chen, T Hang, Y Yu, G Liu, G He… - Nature …, 2018 - nature.com
Microbial biochemicals have been indicated as the primary stimulators of innate immunity,
the first line of the body's defence against infections. However, the influence of topological …

[HTML][HTML] Generation of stress fibers through myosin-driven reorganization of the actin cortex

JI Lehtimäki, EK Rajakylä, S Tojkander, P Lappalainen - Elife, 2021 - elifesciences.org
Contractile actomyosin bundles, stress fibers, govern key cellular processes including
migration, adhesion, and mechanosensing. Stress fibers are thus critical for developmental …

Mechanics of the cellular actin cortex: From signalling to shape change

M Kelkar, P Bohec, G Charras - Current opinion in cell biology, 2020 - Elsevier
The actin cortex is a thin layer of actin, myosin and actin-binding proteins that underlies the
membrane of most animal cells. It is highly dynamic and can undergo remodelling on …

Long-range self-organization of cytoskeletal myosin II filament stacks

S Hu, K Dasbiswas, Z Guo, YH Tee, V Thiagarajan… - Nature cell …, 2017 - nature.com
Although myosin II filaments are known to exist in non-muscle cells,, their dynamics and
organization are incompletely understood. Here, we combined structured illumination …

Stress fibres are embedded in a contractile cortical network

T Vignaud, C Copos, C Leterrier, M Toro-Nahuelpan… - Nature materials, 2021 - nature.com
Contractile actomyosin networks are responsible for the production of intracellular forces.
There is increasing evidence that bundles of actin filaments form interconnected and …

Rho GTPases and actomyosin: Partners in regulating epithelial cell-cell junction structure and function

TR Arnold, RE Stephenson, AL Miller - Experimental cell research, 2017 - Elsevier
Epithelial tissues are defined by polarized epithelial cells that are integrated into tissues and
exhibit barrier function in order to regulate what is allowed to pass between cells. Cell-cell …

[HTML][HTML] Extent of myosin penetration within the actin cortex regulates cell surface mechanics

BA Truong Quang, R Peters, DAD Cassani… - Nature …, 2021 - nature.com
In animal cells, shape is mostly determined by the actomyosin cortex, a thin cytoskeletal
network underlying the plasma membrane. Myosin motors generate tension in the cortex …