Bacterial motility: machinery and mechanisms

N Wadhwa, HC Berg - Nature reviews microbiology, 2022 - nature.com
Bacteria have developed a large array of motility mechanisms to exploit available resources
and environments. These mechanisms can be broadly classified into swimming in aqueous …

Bacterial active matter

IS Aranson - Reports on Progress in Physics, 2022 - iopscience.iop.org
Bacteria are among the oldest and most abundant species on Earth. Bacteria successfully
colonize diverse habitats and play a significant role in the oxygen, carbon, and nitrogen …

Flocking without alignment interactions in attractive active Brownian particles

L Caprini, H Löwen - Physical Review Letters, 2023 - APS
Within a simple model of attractive active Brownian particles, we predict flocking behavior
and challenge the widespread idea that alignment interactions are necessary to observe this …

Emergence of active turbulence in microswimmer suspensions due to active hydrodynamic stress and volume exclusion

K Qi, E Westphal, G Gompper, RG Winkler - Communications Physics, 2022 - nature.com
Microswimmers exhibit an intriguing, highly-dynamic collective motion with large-scale
swirling and streaming patterns, denoted as active turbulence–reminiscent of classical high …

Terahertz thermal curve analysis for label-free identification of pathogens

SW Jun, YH Ahn - Nature Communications, 2022 - nature.com
In this study, we perform a thermal curve analysis with terahertz (THz) metamaterials to
develop a label-free identification tool for pathogens such as bacteria and yeasts. 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 …

Swarming bacteria undergo localized dynamic phase transition to form stress-induced biofilms

I Grobas, M Polin, M Asally - Elife, 2021 - elifesciences.org
Self-organized multicellular behaviors enable cells to adapt and tolerate stressors to a
greater degree than isolated cells. However, whether and how cellular communities alter …

Biophysical aspects underlying the swarm to biofilm transition

VM Worlitzer, A Jose, I Grinberg, M Bär… - Science …, 2022 - science.org
Bacteria organize in a variety of collective states, from swarming—rapid surface exploration,
to biofilms—highly dense immobile communities attributed to stress resistance. It has been …

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

A Sciortino, AR Bausch - Proceedings of the National Academy of …, 2021 - pnas.org
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 …

Activity-induced interactions and cooperation of artificial microswimmers in one-dimensional environments

S Ketzetzi, M Rinaldin, P Dröge, J Graaf… - Nature …, 2022 - nature.com
Cooperative motion in biological microswimmers is crucial for their survival as it facilitates
adhesion to surfaces, formation of hierarchical colonies, efficient motion, and enhanced …