ArticleNature communications2019
Magnetotactic bacteria in a droplet self-assemble into a rotary motor.
Article in Nature communications, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Collective bacterial condensation is fundamentally constrained by the emergence of active turbulence.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Collective Response and Navigation Dynamics of Magnetospirillum gryphiswaldense under Rotating Magnetic Fields.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- Active bacterial baths in droplets.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Surface Rolling Active Magnetic Emulsions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Intermediate light adaptation induces oscillatory phototaxis switching and pattern formation inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Scaling Transition of Active Turbulence from Two to Three Dimensions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Anisotropic run-and-tumble-turn dynamics.Soft matter · 2024Article
- Integrated Microfluidic-Electromagnetic System to Probe Single-Cell Magnetotaxis in Microconfinement.Bioengineering (Basel, Switzerland) · 2023Article
- Construction of intelligent moving micro/nanomotors and their applications in biosensing and disease treatment.Theranostics · 2023Review
- Electro-Microfluidic Assembly Platform for Manipulating Colloidal Structures inside Water-in-Oil Emulsion Droplets.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Article
- Regulatory and Enterotoxin Gene Expression and Enterotoxins Production inInternational journal of molecular sciences · 2022Article
- Mobilities of a drop and an encapsulated squirmer.The European physical journal. E, Soft matter · 2022Article
- Towards the Idea of Molecular Brains.International journal of molecular sciences · 2021Review
- Thermally active nanoparticle clusters enslaved by engineered domain wall traps.Nature communications · 2021Article
- Edge current and pairing order transition in chiral bacterial vortices.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Reversible Design of Dynamic Assemblies at Small Scales.Advanced intelligent systems (Weinheim an der Bergstrasse, Germany) · 2021Article
- Controlled locomotion of a droplet propelled by an encapsulated squirmer.The European physical journal. E, Soft matter · 2021Article
- Bacterial Behavior in Confined Spaces.Frontiers in cell and developmental biology · 2021Review
- Towards an analytical description of active microswimmers in clean and in surfactant-covered drops.The European physical journal. E, Soft matter · 2020Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
From intracellular protein trafficking to large-scale motion of animal groups, the physical concepts driving the self-organization of living systems are still largely unraveled. Self-organization of active entities, leading to novel phases and emergent macroscopic properties, recently shed new light on these complex dynamical processes. Here we show that under the application of a constant magnetic field, motile magnetotactic bacteria confined in water-in-oil droplets self-assemble into a rotary motor exerting a torque on the external oil phase. A collective motion in the form of a large-scale vortex, reversable by inverting the field direction, builds up in the droplet with a vorticity perpendicular to the magnetic field. We study this collective organization at different concentrations, magnetic fields and droplet radii and reveal the formation of two torque-generating areas close to the droplet interface. We characterize quantitatively the mechanical energy extractable from this new biological and self-assembled motor.
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