ArticleProceedings of the National Academy of Sciences of the United States of America2005
Bacterial swimming and oxygen transport near contact lines.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed.
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- Dynamics of an algae-bacteria microcosm: Photosynthesis, chemotaxis, and expulsion in inhomogeneous active matter.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Self-organization of active plume lattice in bacterial bioconvection.Quantitative biology (Beijing, China) · 2025Article
- Dynamically induced spatial segregation in multispecies bacterial bioconvection.Nature communications · 2025Article
- Global Existence and Weak-Strong Uniqueness for Chemotaxis Compressible Navier-Stokes Equations Modeling Vascular Network Formation.Journal of mathematical fluid mechanics : JMFM · 2024Article
- Preferential adhesion of bacterial cells onto top- and bottom-mounted nanostructured surfaces under flow conditions.Nanoscale advances · 2023Article
- Bacterial bioconvection confers context-dependent growth benefits and is robust under varying metabolic and genetic conditions.Journal of bacteriology · 2023Article
- Efficient Numerical Simulation of Biochemotaxis Phenomena in Fluid Environments.Entropy (Basel, Switzerland) · 2023Article
- Surface tension coupled non-uniformly imposed flows modulate the activity of reproducing chemotactic bacteria in porous media.Scientific reports · 2023Article
- Motile bacteria leverage bioconvection for eco-physiological benefits in a natural aquatic environment.Frontiers in microbiology · 2023Article
- The Aer2 chemoreceptor from Vibrio vulnificus is a tri-PAS-heme oxygen sensor.Molecular microbiology · 2023Article
- Self-mixing in microtubule-kinesin active fluid from nonuniform to uniform distribution of activity.Nature communications · 2022Article
- Dispersive transport dynamics in porous media emerge from local correlations.Nature communications · 2022Article
- Novel form of collective movement by soil bacteria.The ISME journal · 2022Article
- Activity-Induced Enhancement of Superdiffusive Transport in Bacterial Turbulence.Micromachines · 2022Article
- Active carpets drive non-equilibrium diffusion and enhanced molecular fluxes.Nature communications · 2021Article
- Photo-bioconvection: towards light control of flows in active suspensions.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Review
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Authors and funding
6 authors.
Funding
Abstract
Aerobic bacteria often live in thin fluid layers near solid-air-water contact lines, in which the biology of chemotaxis, metabolism, and cell-cell signaling is intimately connected to the physics of buoyancy, diffusion, and mixing. Using the geometry of a sessile drop, we demonstrate in suspensions of Bacillus subtilis the self-organized generation of a persistent hydrodynamic vortex that traps cells near the contact line. Arising from upward oxygentaxis and downward gravitational forcing, these dynamics are related to the Boycott effect in sedimentation and are explained quantitatively by a mathematical model consisting of oxygen diffusion and consumption, chemotaxis, and viscous fluid dynamics. The vortex is shown to advectively enhance uptake of oxygen into the suspension, and the wedge geometry leads to a singularity in the chemotactic dynamics near the contact line.
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Registered trials
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