ArticleProceedings of the National Academy of Sciences of the United States of America2024
Transport and energetics of bacterial rectification.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Cellular scale search and funneling drive bacterial penetration of extreme confinements.Communications physics · 2026Article
- Spatial Activity Patterning and Topological Defect Transport in Acoustically Energized Active Liquid Crystals.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Reply to Abedon, S.T. Dual-Receptor Recognition, Lysis Inhibition, Endolysin Release, and Reaction-Diffusion as Alternative Explanations. Comment on "Rojero et al. Bypassing Evolution of Bacterial Resistance to Phages: The Example of Hyper-Aggressive Phage 0524phi7-1.International journal of molecular sciences · 2025Article
- A geometric condition for robot-swarm cohesion and cluster-flock transition.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Species-specific surface dwell times and accumulation of microbes investigated by holographic microscopy.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2025Article
- The carnivorous plantProceedings of the National Academy of Sciences of the United States of America · 2025Article
Corrections and comments
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Authors and funding
5 authors.
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Abstract
Randomly moving active particles can be herded into directed motion by asymmetric geometric structures. Although such a rectification process has been extensively studied due to its fundamental, biological, and technological relevance, a comprehensive understanding of active matter rectification based on single particle dynamics remains elusive. Here, by combining experiments, simulations, and theory, we study the directed transport and energetics of swimming bacteria navigating through funnel-shaped obstacles-a paradigmatic model of rectification of living active matter. We develop a microscopic parameter-free model for bacterial rectification, which quantitatively explains experimental and numerical observations and predicts the optimal geometry for the maximum rectification efficiency. Furthermore, we quantify the degree of time irreversibility and measure the extractable work associated with bacterial rectification. Our study provides quantitative solutions to long-standing questions on bacterial rectification and establishes a generic relationship between time irreversibility, particle fluxes, and extractable work, shedding light on the energetics of nonequilibrium rectification processes in living systems.
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