ArticleeLife2022
Interplay of surface interaction and magnetic torque in single-cell motion of magnetotactic bacteria in microfluidic confinement.
Article in eLife, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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Who cites it
10 citing papers in PubMed.
- Image-based physical characterization of magnetotactic bacteria from an environmental sample.Microbiology spectrum · 2026Article
- Pro-Angiogenic Bioactive Molecules in Vascular Morphogenesis: Integrating Endothelial Cell Dynamics.Current issues in molecular biology · 2025Review
- Article
- Explicit analysis of magnetotactic bacteria motion reveals the length scaling of magnetic moments.Biophysical journal · 2025Article
- Physiological magnetic field strengths help magnetotactic bacteria navigate in simulated sediments.eLife · 2025Article
- Integrated Microfluidics for Single-Cell Separation and On-Chip Analysis: Novel Applications and Recent Advances.Small science · 2024Article
- Where bacteria and eukaryotes meet.Journal of bacteriology · 2024Article
- Integrated Microfluidic-Electromagnetic System to Probe Single-Cell Magnetotaxis in Microconfinement.Bioengineering (Basel, Switzerland) · 2023Article
- Article
- Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Swimming microorganisms often experience complex environments in their natural habitat. The same is true for microswimmers in envisioned biomedical applications. The simple aqueous conditions typically studied in the lab differ strongly from those found in these environments and often exclude the effects of small volume confinement or the influence that external fields have on their motion. In this work, we investigate magnetically steerable microswimmers, specifically magnetotactic bacteria, in strong spatial confinement and under the influence of an external magnetic field. We trap single cells in micrometer-sized microfluidic chambers and track and analyze their motion, which shows a variety of different trajectories, depending on the chamber size and the strength of the magnetic field. Combining these experimental observations with simulations using a variant of an active Brownian particle model, we explain the variety of trajectories by the interplay between the wall interactions and the magnetic torque. We also analyze the pronounced cell-to-cell heterogeneity, which makes single-cell tracking essential for an understanding of the motility patterns. In this way, our work establishes a basis for the analysis and prediction of microswimmer motility in more complex environments.
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Registered trials
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