Active nematics
Active matter extracts energy from its surroundings at the single particle level and transforms
it into mechanical work. Examples include cytoskeleton biopolymers and bacterial …
it into mechanical work. Examples include cytoskeleton biopolymers and bacterial …
Proliferating active matter
The fascinating patterns of collective motion created by autonomously driven particles have
fuelled active-matter research for over two decades. So far, theoretical active-matter …
fuelled active-matter research for over two decades. So far, theoretical active-matter …
Ultra-extensible ribbon-like magnetic microswarm
Various types of structures self-organised by animals exist in nature, such as bird flocks and
insect swarms, which stem from the local communications of vast numbers of limited …
insect swarms, which stem from the local communications of vast numbers of limited …
Topological defects in the nematic order of actin fibres as organization centres of Hydra morphogenesis
Y Maroudas-Sacks, L Garion, L Shani-Zerbib… - Nature Physics, 2021 - nature.com
Animal morphogenesis arises from the complex interplay between multiple mechanical and
biochemical processes with mutual feedback. Develo** an effective, coarse-grained …
biochemical processes with mutual feedback. Develo** an effective, coarse-grained …
Emergence of three-dimensional order and structure in growing biofilms
Surface-attached bacterial biofilms are self-replicating active liquid crystals and the
dominant form of bacterial life on Earth,,–. In conventional liquid crystals and solid-state …
dominant form of bacterial life on Earth,,–. In conventional liquid crystals and solid-state …
Morphological instability and roughening of growing 3D bacterial colonies
How do growing bacterial colonies get their shapes? While colony morphogenesis is well
studied in two dimensions, many bacteria grow as large colonies in three-dimensional (3D) …
studied in two dimensions, many bacteria grow as large colonies in three-dimensional (3D) …
Species-independent attraction to biofilms through electrical signaling
Bacteria residing within biofilm communities can coordinate their behavior through cell-to-
cell signaling. However, it remains unclear if these signals can also influence the behavior of …
cell signaling. However, it remains unclear if these signals can also influence the behavior of …
Topological defects in epithelia govern cell death and extrusion
Epithelial tissues (epithelia) remove excess cells through extrusion, preventing the
accumulation of unnecessary or pathological cells. The extrusion process can be triggered …
accumulation of unnecessary or pathological cells. The extrusion process can be triggered …
Fluid flows created by swimming bacteria drive self-organization in confined suspensions
Concentrated suspensions of swimming microorganisms and other forms of active matter
are known to display complex, self-organized spatiotemporal patterns on scales that are …
are known to display complex, self-organized spatiotemporal patterns on scales that are …
A growing bacterial colony in two dimensions as an active nematic
How a single bacterium becomes a colony of many thousand cells is important in
biomedicine and food safety. Much is known about the molecular and genetic bases of this …
biomedicine and food safety. Much is known about the molecular and genetic bases of this …