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Microbial carbon use and associated changes in microbial community structure in high-Arctic tundra soils under elevated temperature

Aline Frossard, Lotte De Maeyer, Magdalene Adamczyk, Mette Svenning, Elie Verleyen (UGent) and Beat Frey
(2021) SOIL BIOLOGY & BIOCHEMISTRY. 162.
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Abstract
In the high-Arctic, increased temperature results in permafrost thawing and increased primary production. This fresh plant-derived material is predicted to prime microbial consortia for degradation of the organic matter stored in tundra soils. However, the effects of warming and plant input on the microbial community structure is hardly known. We assessed the use of glycine, a readily available C and N source, and cellulose, a long Cbiopolymer, by prokaryotic and fungal communities using DNA-SIP in tundra soils incubated at 8 degrees C or 16 degrees C. Glycine addition contributed mainly to instantaneous microbial carbon use and priming of soil organic matter decomposition, particularly under elevated temperature. By contrast, cellulose was linked to the dominant and active microbial communities, with potential carbon stabilization in soils. Our findings stress the importance of the type of plant-derived material in relation to microbial metabolism in high-Arctic soils and their consequences for the carbon cycle in response to global warming.
Keywords
ORGANIC-CARBON, FRESH CARBON, RESPONSES, NITROGEN, CLIMATE, IDENTIFICATION, VEGETATION, PERMAFROST, DIVERSITY, BACTERIAL, High-arctic, Soil, Prokaryotes, Fungi, Temperature, Carbon, Priming, DNA-SIP, Greenhouse gas, CO2

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Citation

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MLA
Frossard, Aline, et al. “Microbial Carbon Use and Associated Changes in Microbial Community Structure in High-Arctic Tundra Soils under Elevated Temperature.” SOIL BIOLOGY & BIOCHEMISTRY, vol. 162, 2021, doi:10.1016/j.soilbio.2021.108419.
APA
Frossard, A., De Maeyer, L., Adamczyk, M., Svenning, M., Verleyen, E., & Frey, B. (2021). Microbial carbon use and associated changes in microbial community structure in high-Arctic tundra soils under elevated temperature. SOIL BIOLOGY & BIOCHEMISTRY, 162. https://doi.org/10.1016/j.soilbio.2021.108419
Chicago author-date
Frossard, Aline, Lotte De Maeyer, Magdalene Adamczyk, Mette Svenning, Elie Verleyen, and Beat Frey. 2021. “Microbial Carbon Use and Associated Changes in Microbial Community Structure in High-Arctic Tundra Soils under Elevated Temperature.” SOIL BIOLOGY & BIOCHEMISTRY 162. https://doi.org/10.1016/j.soilbio.2021.108419.
Chicago author-date (all authors)
Frossard, Aline, Lotte De Maeyer, Magdalene Adamczyk, Mette Svenning, Elie Verleyen, and Beat Frey. 2021. “Microbial Carbon Use and Associated Changes in Microbial Community Structure in High-Arctic Tundra Soils under Elevated Temperature.” SOIL BIOLOGY & BIOCHEMISTRY 162. doi:10.1016/j.soilbio.2021.108419.
Vancouver
1.
Frossard A, De Maeyer L, Adamczyk M, Svenning M, Verleyen E, Frey B. Microbial carbon use and associated changes in microbial community structure in high-Arctic tundra soils under elevated temperature. SOIL BIOLOGY & BIOCHEMISTRY. 2021;162.
IEEE
[1]
A. Frossard, L. De Maeyer, M. Adamczyk, M. Svenning, E. Verleyen, and B. Frey, “Microbial carbon use and associated changes in microbial community structure in high-Arctic tundra soils under elevated temperature,” SOIL BIOLOGY & BIOCHEMISTRY, vol. 162, 2021.
@article{8734919,
  abstract     = {{In the high-Arctic, increased temperature results in permafrost thawing and increased primary production. This fresh plant-derived material is predicted to prime microbial consortia for degradation of the organic matter stored in tundra soils. However, the effects of warming and plant input on the microbial community structure is hardly known. We assessed the use of glycine, a readily available C and N source, and cellulose, a long Cbiopolymer, by prokaryotic and fungal communities using DNA-SIP in tundra soils incubated at 8 degrees C or 16 degrees C. Glycine addition contributed mainly to instantaneous microbial carbon use and priming of soil organic matter decomposition, particularly under elevated temperature. By contrast, cellulose was linked to the dominant and active microbial communities, with potential carbon stabilization in soils. Our findings stress the importance of the type of plant-derived material in relation to microbial metabolism in high-Arctic soils and their consequences for the carbon cycle in response to global warming.}},
  articleno    = {{108419}},
  author       = {{Frossard, Aline and De Maeyer, Lotte and Adamczyk, Magdalene and Svenning, Mette and Verleyen, Elie and Frey, Beat}},
  issn         = {{0038-0717}},
  journal      = {{SOIL BIOLOGY & BIOCHEMISTRY}},
  keywords     = {{ORGANIC-CARBON,FRESH CARBON,RESPONSES,NITROGEN,CLIMATE,IDENTIFICATION,VEGETATION,PERMAFROST,DIVERSITY,BACTERIAL,High-arctic,Soil,Prokaryotes,Fungi,Temperature,Carbon,Priming,DNA-SIP,Greenhouse gas,CO2}},
  language     = {{eng}},
  pages        = {{11}},
  title        = {{Microbial carbon use and associated changes in microbial community structure in high-Arctic tundra soils under elevated temperature}},
  url          = {{http://doi.org/10.1016/j.soilbio.2021.108419}},
  volume       = {{162}},
  year         = {{2021}},
}
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