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The mineralosphere—...
The mineralosphere—interactive zone of microbial colonization and carbon use in grassland soils
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- Boeddinghaus, Runa S. (författare)
- Landwirtschaftliches Technologiezentrum Augustenberg (LTZ),University of Hohenheim
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- Marhan, Sven (författare)
- University of Hohenheim
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- Gebala, Aurelia (författare)
- University of Hohenheim
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- Haslwimmer, Heike (författare)
- University of Hohenheim
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- Vieira, Selma (författare)
- Leibniz Institute German Collection of Microorganisms and Cell Cultures (DSMZ)
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- Sikorski, Johannes (författare)
- Leibniz Institute German Collection of Microorganisms and Cell Cultures (DSMZ)
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- Overmann, Jörg (författare)
- Leibniz Institute German Collection of Microorganisms and Cell Cultures (DSMZ)
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- Soares, Margarida (författare)
- Lund University,Lunds universitet,Enhet akvatisk ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Akvatisk ekologi,Forskargrupper vid Lunds universitet,Mikrobiologisk ekologi,Division aquatic ecology,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Aquatic Ecology,Lund University Research Groups,Microbial Ecology
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- Rousk, Johannes (författare)
- Lund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Mikrobiologisk ekologi,Forskargrupper vid Lunds universitet,Mikrobiell biogeokemi i Lund,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Microbial Ecology,Lund University Research Groups,Microbial Biogeochemistry in Lund
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- Rennert, Thilo (författare)
- University of Hohenheim
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- Kandeler, Ellen (författare)
- University of Hohenheim
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(creator_code:org_t)
- 2021-03-12
- 2021
- Engelska 15 s.
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Ingår i: Biology and Fertility of Soils. - : Springer Science and Business Media LLC. - 0178-2762 .- 1432-0789. ; 57:5, s. 587-601
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://link.springe...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To improve our understanding of early microbial colonization of pristine minerals and their group-specific C utilization, we exposed minerals (illite/goethite/quartz) amended with artificial root exudates (ARE, glucose, and citric acid) in grassland soils for a period of 24 weeks. FTIR spectra indicated that mineral-associated ARE were used within the first 2 weeks of exposure and were replaced by other carbohydrates derived from living or dead cells as well as soil-borne C sources transported into the mineralosphere after heavy rain events. Fungi and Gram-positive bacteria incorporated ARE-derived C more rapidly than Gram-negative bacteria. Gram-negative bacteria presumably profited indirectly from the ARE by cross-feeding on mineral-associated necromass of fungi and Gram-positive bacteria. The Gram-negative bacterial phyla Verrucomicrobia, Planctomycetes, Gemmatimonadetes, Armatimonadetes, and Chloroflexi showed a positive correlation with Gram-negative PLFA abundances. After 24 weeks of exposure in the grassland soils, abundances of soil microorganisms in the mineralosphere reached only 3.1% of the population density in soil. In conclusion, both bacteria and fungi slowly colonize new surfaces such as pristine minerals, but quickly assimilate artificial root exudates, creating an active microbial community in the mineralosphere.
Ämnesord
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Nyckelord
- Carbon turnover
- Exudates
- Meadow
- Minerals
- Pasture
- Soil microorganisms
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- art (ämneskategori)
- ref (ämneskategori)
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Boeddinghaus, Ru ...
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Marhan, Sven
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Gebala, Aurelia
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Haslwimmer, Heik ...
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Vieira, Selma
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Sikorski, Johann ...
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visa fler...
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Overmann, Jörg
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Soares, Margarid ...
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Rousk, Johannes
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Rennert, Thilo
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Kandeler, Ellen
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