ArticlePNAS nexus2023
Viscoelasticity enhances collective motion of bacteria.
Article in PNAS nexus, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Physical, chemical, and structural properties of human gastric organoid-derived mucus.American journal of physiology. Gastrointestinal and liver physiology · 2026Article
- Magnetically guided biohybrid microrobots with multimodal locomotion for barrier penetration and multifunctional tumor treatment.Microsystems & nanoengineering · 2026Article
- 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
- Physical, chemical, and structural properties of human gastric organoid-derived mucus.bioRxiv : the preprint server for biology · 2025Article
- Spatial self-organization of confined bacterial suspensions.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- The intestinal environment potentiates bacteriophage adaptation in response to phenotypic resistance inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- A Review of the Application of Compliance Phenomenon in Particle Separation Within Microfluidic Systems.Micromachines · 2025Review
- Vortex reversal is a precursor of confined bacterial turbulence.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Sprayable inflammasome-inhibiting lipid nanorods in a polymeric scaffold for psoriasis therapy.Nature communications · 2024Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteria form human and animal microbiota. They are the leading causes of many infections and constitute an important class of active matter. Concentrated bacterial suspensions exhibit large-scale turbulent-like locomotion and swarming. While the collective behavior of bacteria in Newtonian fluids is relatively well understood, many fundamental questions remain open for complex fluids. Here, we report on the collective bacterial motion in a representative biological non-Newtonian viscoelastic environment exemplified by mucus. Experiments are performed with synthetic porcine gastric mucus, natural cow cervical mucus, and a Newtonian-like polymer solution. We have found that an increase in mucin concentration and, correspondingly, an increase in the suspension's elasticity monotonously increases the length scale of collective bacterial locomotion. On the contrary, this length remains practically unchanged in Newtonian polymer solution in a wide range of concentrations. The experimental observations are supported by computational modeling. Our results provide insight into how viscoelasticity affects the spatiotemporal organization of bacterial active matter. They also expand our understanding of bacterial colonization of mucosal surfaces and the onset of antibiotic resistance due to swarming.
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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.