ArticleNature communications2018
The propagation of active-passive interfaces in bacterial swarms.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Article
- Stochastic motility energetics reveals cooperative bacterial swarming in optical tweezers.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Article
- Spatial self-organization of confined bacterial suspensions.Proceedings 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
- Article
- Mechanobiology as a tool for addressing the genotype-to-phenotype problem in microbiology.Biophysics reviews · 2023Review
- Topological defect-mediated morphodynamics of active-active interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Spreading rates of bacterial colonies depend on substrate stiffness and permeability.PNAS nexus · 2022Article
- Materials science and mechanosensitivity of living matter.Applied physics reviews · 2022Review
- Exploring order in active turbulence: Geometric rule and pairing order transition in confined bacterial vortices.Biophysics and physicobiology · 2022Article
- Article
- Buckling instabilities and spatio-temporal dynamics of active elastic filaments.Journal of the Royal Society, Interface · 2020Article
- Quenching active swarms: effects of light exposure on collective motility in swarming Serratia marcescens.Journal of the Royal Society, Interface · 2019Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Propagating interfaces are ubiquitous in nature, underlying instabilities and pattern formation in biology and material science. Physical principles governing interface growth are well understood in passive settings; however, our understanding of interfaces in active systems is still in its infancy. Here, we study the evolution of an active-passive interface using a model active matter system, bacterial swarms. We use ultra-violet light exposure to create compact domains of passive bacteria within Serratia marcescens swarms, thereby creating interfaces separating motile and immotile cells. Post-exposure, the boundary re-shapes and erodes due to self-emergent collective flows. We demonstrate that the active-passive boundary acts as a diffuse interface with mechanical properties set by the flow. Intriguingly, interfacial velocity couples to local swarm speed and interface curvature, raising the possibility that an active analogue to classic Gibbs-Thomson-Stefan conditions may control this boundary propagation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.