Active nematics across scales from cytoskeleton organization to tissue morphogenesis

L Balasubramaniam, RM Mège, B Ladoux - Current Opinion in Genetics & …, 2022 - Elsevier
Biological tissues are composed of various cell types working cooperatively to perform their
respective function within organs and the whole body. During development, embryogenesis …

Programmable molecular transport achieved by engineering protein motors to move on DNA nanotubes

R Ibusuki, T Morishita, A Furuta, S Nakayama… - Science, 2022 - science.org
Intracellular transport is the basis of microscale logistics within cells and is powered by
biomolecular motors. Mimicking transport for in vitro applications has been widely studied; …

Activity Unmasks Chirality in Liquid-Crystalline Matter

A Maitra - Annual Review of Condensed Matter Physics, 2024 - annualreviews.org
Active matter theories naturally describe the mechanics of living systems. As biological
matter is overwhelmingly chiral, an understanding of the implications of chirality for the …

Collective self-caging of active filaments in virtual confinement

M Kurjahn, L Abbaspour, F Papenfuß, P Bittihn… - Nature …, 2024 - nature.com
Motility coupled to responsive behavior is essential for many microorganisms to seek and
establish appropriate habitats. One of the simplest possible responses, reversing the …

A particle-field approach bridges phase separation and collective motion in active matter

R Großmann, IS Aranson, F Peruani - Nature communications, 2020 - nature.com
Whereas self-propelled hard discs undergo motility-induced phase separation, self-
propelled rods exhibit a variety of nonequilibrium phenomena, including clustering …

Polarity and chirality control of an active fluid by passive nematic defects

A Sciortino, LJ Neumann, T Krüger, I Maryshev… - Nature Materials, 2023 - nature.com
Much like passive materials, active systems can be affected by the presence of imperfections
in their microscopic order, called defects, that influence macroscopic properties. This …

Pattern formation and polarity sorting of driven actin filaments on lipid membranes

A Sciortino, AR Bausch - Proceedings of the National …, 2021 - National Acad Sciences
Collective motion of active matter is ubiquitously observed, ranging from propelled colloids
to flocks of bird, and often features the formation of complex structures composed of agents …

Magnetically controlled bacterial turbulence

K Beppu, JVI Timonen - Communications Physics, 2024 - nature.com
Concentrated active agents can exhibit turbulent-like flows reminiscent of hydrodynamic
turbulence. Despite its importance, the influence of external fields on active turbulence …

Active nematic order and dynamic lane formation of microtubules driven by membrane-bound diffusing motors

FL Memarian, JD Lopes… - Proceedings of the …, 2021 - National Acad Sciences
Dynamic lane formation and long-range active nematic alignment are reported using a
geometry in which kinesin motors are directly coupled to a lipid bilayer, allowing for in-plane …

Dynamic self-organization of idealized migrating cells by contact communication

T Hiraiwa - Physical Review Letters, 2020 - APS
This Letter investigates what forms of cellular dynamic self-organization are caused through
intercellular contact communication based on a theoretical model in which migrating cells …