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Thickness determine...
Thickness determines microbial community structure and function in nitrifying biofilms via deterministic assembly
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- Suarez, Carolina, 1984 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,Univ Gothenburg, Dept Chem & Mol Biol Microbiol, SE-40530 Gothenburg, Sweden;Chalmers Univ Technol, Dept Architecture & Civil Engn, Water Environm Technol, SE-41296 Gothenburg, Sweden
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- Piculell, Maria (author)
- Veolia Water Technol AB AnoxKaldnes, SE-22647 Lund, Sweden
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- Modin, Oskar, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Architecture & Civil Engn, Water Environm Technol, SE-41296 Gothenburg, Sweden
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- Langenheder, Silke (author)
- Uppsala universitet,Limnologi,Erkenlaboratoriet
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- Persson, Frank, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Architecture & Civil Engn, Water Environm Technol, SE-41296 Gothenburg, Sweden
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- Hermansson, Malte, 1954 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,Univ Gothenburg, Dept Chem & Mol Biol Microbiol, SE-40530 Gothenburg, Sweden
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(creator_code:org_t)
- 2019-03-25
- 2019
- English.
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In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322 .- 2045-2322. ; 9:1
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Abstract
Subject headings
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- Microbial biofilms are ubiquitous in aquatic environments where they provide important ecosystem functions. A key property believed to influence the community structure and function of biofilms is thickness. However, since biofilm thickness is inextricably linked to external factors such as water flow, temperature, development age and nutrient conditions, its importance is difficult to quantify. Here, we designed an experimental system in a wastewater treatment plant whereby nitrifying biofilms with different thicknesses (50 or 400 mu m) were grown in a single reactor, and thus subjected to identical external conditions. The 50 and 400 mu m biofilm communities were significantly different. This beta-diversity between biofilms of different thickness was primarily caused by deterministic factors. Turnover (species replacement) contributed more than nestedness (species loss) to the beta-diversity, i.e. the 50 mu m communities were not simply a subset of the 400 mu m communities. Moreover, the two communities differed in the composition of nitrogen-transforming bacteria and in nitrogen transformation rates. The study illustrates that biofilm thickness alone is a key driver for community composition and ecosystem function, which has implications for biotechnological applications and for our general understanding of biofilm ecology.
Subject headings
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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