ArticleProceedings of the National Academy of Sciences of the United States of America2022
Competition between growth and shear stress drives intermittency in preferential flow paths in porous medium biofilms.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 60 citations in OpenAlex.
- Review
- The biofilm detachment modes and mechanisms in porous media.Biodegradation · 2026Review
- Fluid flow generates bacterial conjugation hot spots by increasing the rate of shear-driven cell-cell encounters.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Efficiency, Microbial Communities, and Nitrogen Metabolism in Denitrification Biological Filter: Insights into Varied Pore Ceramsite Media.Microorganisms · 2025Article
- Resolving spatiotemporal dynamics in bacterial multicellular populations: approaches and challenges.Microbiology and molecular biology reviews : MMBR · 2025Review
- The mitigation of spatial constraint in porous environments enhances biofilm phylogenetic and functional diversity.Microbiome · 2025Article
- The role of fluid friction in streamer formation and biofilm growth.NPJ biofilms and microbiomes · 2025Article
- Pore-scale mass transfer heterogeneity shapes nutrient accessibility and functional assembly in porous microbial ecosystems.The ISME journal · 2025Article
- Yielding behaviour of chemically treatedBiofilm · 2024Article
- The mechanism of biofilm detachment in porous medium under flow field.Biomicrofluidics · 2024Article
- Agent-based modeling of stress anisotropy driven nematic ordering in growing biofilms.Soft matter · 2024Article
- Microscale advection governs microbial growth and oxygen consumption in macroporous aggregates.mSphere · 2024Article
- Microfluidic approaches in microbial ecology.Lab on a chip · 2024Review
- Hemodynamic regulation allows stable growth of microvascular networks.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Microfluidic investigation of the impacts of flow fluctuations on the development of Pseudomonas putida biofilms.NPJ biofilms and microbiomes · 2023Article
- Rapid formation of bioaggregates and morphology transition to biofilm streamers induced by pore-throat flows.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteria in porous media, such as soils, aquifers, and filters, often form surface-attached communities known as biofilms. Biofilms are affected by fluid flow through the porous medium, for example, for nutrient supply, and they, in turn, affect the flow. A striking example of this interplay is the strong intermittency in flow that can occur when biofilms nearly clog the porous medium. Intermittency manifests itself as the rapid opening and slow closing of individual preferential flow paths (PFPs) through the biofilm-porous medium structure, leading to continual spatiotemporal rearrangement. The drastic changes to the flow and mass transport induced by intermittency can affect the functioning and efficiency of natural and industrial systems. Yet, the mechanistic origin of intermittency remains unexplained. Here, we show that the mechanism driving PFP intermittency is the competition between microbial growth and shear stress. We combined microfluidic experiments quantifying
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