Articles | Volume 17, issue 2
https://doi.org/10.5194/bg-17-499-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-499-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Evidence for preferential protein depolymerization in wetland soils in response to external nitrogen availability provided by a novel FTIR routine
Department of Chemical Analytics and Biogeochemistry, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, 12587 Berlin, Germany
Julia Gensel
MARUM – Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen, 28359 Bremen, Germany
Marcus Elvert
MARUM – Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen, 28359 Bremen, Germany
Dominik Zak
Department of Bioscience, University of Aarhus, 8600 Silkeborg, Denmark
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17 citations as recorded by crossref.
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- Decomposition of lignin and carbohydrates in a rewetted peatland: a comparative analysis of surface water and anaerobic soil layers J. Reuter et al. https://doi.org/10.1007/s10533-023-01102-2
- Reviews and syntheses: Iron – a driver of nitrogen bioavailability in soils? I. Slimani et al. https://doi.org/10.5194/bg-20-3873-2023
- Borehole nuclear magnetic resonance as a promising 3D mapping tool in peatland studies S. Reza Mashhadi et al. https://doi.org/10.1016/j.geoderma.2024.116814
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- Analyzing the Transformation of Forest Litter Organic Matter at Different Stages of Secondary Succession of a Middle Taiga Forest Using the IR Fourier Spectrometry Methods A. Sabrekov et al. https://doi.org/10.1134/S1995425525700714
- Desiccation time and rainfall control gaseous carbon fluxes in an intermittent stream M. Arce et al. https://doi.org/10.1007/s10533-021-00831-6
- Unveiling spatially explicit soil nitrogen mineralization potential in Northeast China: A meta-analysis coupled by experimental validation Y. Liu et al. https://doi.org/10.1016/j.geoderma.2025.117605
- Hydroclimatic vulnerability of peat carbon in the central Congo Basin Y. Garcin et al. https://doi.org/10.1038/s41586-022-05389-3
- Peatland Mid-Infrared Database H. Teickner et al. https://doi.org/10.1038/s41597-026-06986-x
- Particles and Aeration at Mire‐Stream Interfaces Cause Selective Removal and Modification of Dissolved Organic Matter K. Einarsdóttir et al. https://doi.org/10.1029/2020JG005654
- Sulphate in freshwater ecosystems: A review of sources, biogeochemical cycles, ecotoxicological effects and bioremediation D. Zak et al. https://doi.org/10.1016/j.earscirev.2020.103446
- A comprehensive review of recent advancements in microbial-induced mineralization: biosynthesis and mechanism, with potential implementation in various environmental, engineering, and medical sectors M. Eltarahony et al. https://doi.org/10.1016/j.scitotenv.2025.179426
- Dissolved organic matter: Unraveling the role of organic carbon from the hypogeal cadaver decomposition island G. Tagliabue et al. https://doi.org/10.1016/j.forsciint.2026.112887
- Consumption of N2O by Flavobacterium azooxidireducens sp. nov. Isolated from Decomposing Leaf Litter of Phragmites australis (Cav.) U. Behrendt et al. https://doi.org/10.3390/microorganisms10112304
17 citations as recorded by crossref.
- Prediction of peat properties from transmission mid-infrared spectra H. Teickner & K. Knorr https://doi.org/10.5194/soil-12-497-2026
- Mixing regimes shape microbial community composition, nutrient regimes, and plant growth attributes in Jeevamrit: metagenomics and culturomics-based insights A. Jain et al. https://doi.org/10.1038/s41598-026-36414-4
- Decomposition of lignin and carbohydrates in a rewetted peatland: a comparative analysis of surface water and anaerobic soil layers J. Reuter et al. https://doi.org/10.1007/s10533-023-01102-2
- Reviews and syntheses: Iron – a driver of nitrogen bioavailability in soils? I. Slimani et al. https://doi.org/10.5194/bg-20-3873-2023
- Borehole nuclear magnetic resonance as a promising 3D mapping tool in peatland studies S. Reza Mashhadi et al. https://doi.org/10.1016/j.geoderma.2024.116814
- A holistic framework integrating plant-microbe-mineral regulation of soil bioavailable nitrogen A. Daly et al. https://doi.org/10.1007/s10533-021-00793-9
- Mapping and monitoring peatland conditions from global to field scale B. Minasny et al. https://doi.org/10.1007/s10533-023-01084-1
- Analyzing the Transformation of Forest Litter Organic Matter at Different Stages of Secondary Succession of a Middle Taiga Forest Using the IR Fourier Spectrometry Methods A. Sabrekov et al. https://doi.org/10.1134/S1995425525700714
- Desiccation time and rainfall control gaseous carbon fluxes in an intermittent stream M. Arce et al. https://doi.org/10.1007/s10533-021-00831-6
- Unveiling spatially explicit soil nitrogen mineralization potential in Northeast China: A meta-analysis coupled by experimental validation Y. Liu et al. https://doi.org/10.1016/j.geoderma.2025.117605
- Hydroclimatic vulnerability of peat carbon in the central Congo Basin Y. Garcin et al. https://doi.org/10.1038/s41586-022-05389-3
- Peatland Mid-Infrared Database H. Teickner et al. https://doi.org/10.1038/s41597-026-06986-x
- Particles and Aeration at Mire‐Stream Interfaces Cause Selective Removal and Modification of Dissolved Organic Matter K. Einarsdóttir et al. https://doi.org/10.1029/2020JG005654
- Sulphate in freshwater ecosystems: A review of sources, biogeochemical cycles, ecotoxicological effects and bioremediation D. Zak et al. https://doi.org/10.1016/j.earscirev.2020.103446
- A comprehensive review of recent advancements in microbial-induced mineralization: biosynthesis and mechanism, with potential implementation in various environmental, engineering, and medical sectors M. Eltarahony et al. https://doi.org/10.1016/j.scitotenv.2025.179426
- Dissolved organic matter: Unraveling the role of organic carbon from the hypogeal cadaver decomposition island G. Tagliabue et al. https://doi.org/10.1016/j.forsciint.2026.112887
- Consumption of N2O by Flavobacterium azooxidireducens sp. nov. Isolated from Decomposing Leaf Litter of Phragmites australis (Cav.) U. Behrendt et al. https://doi.org/10.3390/microorganisms10112304
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Latest update: 03 Jun 2026
Short summary
Using infrared spectroscopy, we developed a routine to disentangle microbial nitrogen (N) and plant N in decomposed litter. In a decomposition experiment in three wetland soils, this routine revealed preferential protein depolymerization as a decomposition-site-dependent parameter, unaffected by variations in initial litter N content. In Sphagnum peat, preferential protein depolymerization led to a N depletion of still-unprocessed litter tissue, i.e., a gradual loss of litter quality.
Using infrared spectroscopy, we developed a routine to disentangle microbial nitrogen (N) and...
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