Proliferating active matter

O Hallatschek, SS Datta, K Drescher, J Dunkel… - Nature Reviews …, 2023 - nature.com
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 …

Bacterial growth: a statistical physicist's guide

RJ Allen, B Waclaw - Reports on Progress in Physics, 2018 - iopscience.iop.org
Bacterial growth presents many beautiful phenomena that pose new theoretical challenges
to statistical physicists, and are also amenable to laboratory experimentation. This review …

Morphological instability and roughening of growing 3D bacterial colonies

A Martínez-Calvo, T Bhattacharjee… - Proceedings of the …, 2022 - National Acad Sciences
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) …

How physical interactions shape bacterial biofilms

B Maier - Annual Review of Biophysics, 2021 - annualreviews.org
Biofilms are structured communities formed by a single or multiple microbial species. Within
biofilms, bacteria are embedded into extracellular matrix, allowing them to build …

Collective polarization dynamics in bacterial colonies signify the occurrence of distinct subpopulations

M Hennes, N Bender, T Cronenberg, A Welker… - PLoS …, 2023 - journals.plos.org
Membrane potential in bacterial systems has been shown to be dynamic and tightly related
to survivability at the single-cell level. However, little is known about spatiotemporal patterns …

Vertical growth dynamics of biofilms

P Bravo, S Lung Ng, KA MacGillivray… - Proceedings of the …, 2023 - National Acad Sciences
During the biofilm life cycle, bacteria attach to a surface and then reproduce, forming
crowded, growing communities. Many theoretical models of biofilm growth dynamics have …

A multiphase theory for spreading microbial swarms and films

S Srinivasan, CN Kaplan, L Mahadevan - Elife, 2019 - elifesciences.org
Bacterial swarming and biofilm formation are collective multicellular phenomena through
which diverse microbial species colonize and spread over water-permeable tissue. During …

Cellular sensing governs the stability of chemotactic fronts

R Alert, A Martínez-Calvo, SS Datta - Physical review letters, 2022 - APS
In contexts ranging from embryonic development to bacterial ecology, cell populations
migrate chemotactically along self-generated chemical gradients, often forming a …

Collective motion conceals fitness differences in crowded cellular populations

J Kayser, CF Schreck, M Gralka, D Fusco… - Nature ecology & …, 2019 - nature.com
Many cellular populations are tightly packed, such as microbial colonies and biofilms, or
tissues and tumours in multicellular organisms. The movement of one cell in these crowded …

Matrix production and sporulation in Bacillus subtilis biofilms localize to propagating wave fronts

S Srinivasan, ID Vladescu, SA Koehler, X Wang… - Biophysical …, 2018 - cell.com
Bacterial biofilms are surface-attached microbial communities encased in self-produced
extracellular polymeric substances. Here we demonstrate that during the development of …