ArticleProceedings of the National Academy of Sciences of the United States of America2021
Emergent probability fluxes in confined microbial navigation.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- From Passive to Active: Self-Propelled Colloids in Coatings Formulation and Film Formation.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Geometrical preference of anchoring sites in the unicellular organismProceedings of the National Academy of Sciences of the United States of America · 2026Article
- Light-Dependent Switching of Circling Handedness in Microswimmer Navigation.Physical review letters · 2026Article
- Active billiards: Engineering boundaries for the spatial control of confined active particles.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Form and function in biological filaments: a physicist's review.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2025Review
- Preparation, maintenance and propagation of synchronous cultures of photoactive Chlamydomonas cells.Nature protocols · 2025Review
- Collective self-caging of active filaments in virtual confinement.Nature communications · 2024Article
- Methods and Measures for Investigating Microscale Motility.Integrative and comparative biology · 2023Review
- Spatial Distribution of Flagellated MicroalgaeMicromachines · 2023Article
- Article
- A multi-adenylate cyclase regulator at the flagellar tip controls African trypanosome transmission.Nature communications · 2022Article
- Emergent probability fluxes in confined microbial navigation.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When the motion of a motile cell is observed closely, it appears erratic, and yet the combination of nonequilibrium forces and surfaces can produce striking examples of organization in microbial systems. While most of our current understanding is based on bulk systems or idealized geometries, it remains elusive how and at which length scale self-organization emerges in complex geometries. Here, using experiments and analytical and numerical calculations, we study the motion of motile cells under controlled microfluidic conditions and demonstrate that probability flux loops organize active motion, even at the level of a single cell exploring an isolated compartment of nontrivial geometry. By accounting for the interplay of activity and interfacial forces, we find that the boundary's curvature determines the nonequilibrium probability fluxes of the motion. We theoretically predict a universal relation between fluxes and global geometric properties that is directly confirmed by experiments. Our findings open the possibility to decipher the most probable trajectories of motile cells and may enable the design of geometries guiding their time-averaged motion.
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