ArticleiScience2021
Morphogenesis and oxygen dynamics in phototrophic biofilms growing across a gradient of hydraulic conditions.
Article in iScience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 16 citations in OpenAlex.
- Non-invasive investigation of the morphology and optical properties of the upside-down jellyfishProceedings. Biological sciences · 2023Article
- The structure-function relationship of Pseudomonas aeruginosa in infections and its influence on the microenvironment.FEMS microbiology reviews · 2022Review
- Synthetic periphyton as a model system to understand species dynamics in complex microbial freshwater communities.NPJ biofilms and microbiomes · 2022Article
- Biophysical properties at patch scale shape the metabolism of biofilm landscapes.NPJ biofilms and microbiomes · 2022Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biofilms are surface-attached and matrix-enclosed microbial communities that dominate microbial life in numerous ecosystems. Using flumes and automated optical coherence tomography, we studied the morphogenesis of phototrophic biofilms along a gradient of hydraulic conditions. Compact and coalescent biofilms formed under elevated bed shear stress, whereas protruding clusters separated by troughs formed under reduced shear stress. This morphological differentiation did not linearly follow the hydraulic gradient, but a break point emerged around a shear stress of ~0.08 Pa. While community composition did not differ between high and low shear environments, our results suggest that the morphological differentiation was linked to biomass displacement and reciprocal interactions between the biofilm structure and hydraulics. Mapping oxygen concentrations within and around biofilm structures, we provide empirical evidence for biofilm-induced alterations of oxygen mass transfer. Our findings suggest that architectural plasticity, efficient mass transfer, and resistance to shear stress contribute to the success of phototrophic biofilms.
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Registered trials
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