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Title: Genome-centric view of carbon processing in thawing permafrost

Abstract

As global temperatures rise, large amounts of carbon sequestered in permafrost are becoming available for microbial degradation. Accurate prediction of carbon gas emissions from thawing permafrost is limited by our understanding of these microbial communities. Here we use metagenomic sequencing of 214 samples from a permafrost thaw gradient to recover 1,529 metagenome-assembled genomes, including many from phyla with poor genomic representation. These genomes reflect the diversity of this complex ecosystem, with genus-level representatives for more than sixty per cent of the community. Meta-omic analysis revealed key populations involved in the degradation of organic matter, including bacteria whose genomes encode a previously undescribed fungal pathway for xylose degradation. Microbial and geochemical data highlight lineages that correlate with the production of greenhouse gases and indicate novel syntrophic relationships. Lastly, our findings link changing biogeochemistry to specific microbial lineages involved in carbon processing, and provide key information for predicting the effects of climate change on permafrost systems.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1];  [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [1];  [1]; ORCiD logo [4]; ORCiD logo [5];  [5]; ORCiD logo [6]; ORCiD logo [6];  [7];  [7];  [5];  [8]; ORCiD logo [9]; ORCiD logo [3]; ORCiD logo [1]
  1. Univ. of Queensland, Brisbane, QLD (Australia)
  2. The Ohio State Univ., Columbus, OH (United States); Univ. of California, Davis, CA (United States)
  3. The Ohio State Univ., Columbus, OH (United States)
  4. Rochester Institute of Technology, Rochester, NY (United States)
  5. Florida State Univ., Tallahassee, FL (United States)
  6. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  7. Univ. of New Hampshire, Durham, NH (United States)
  8. Stockholm Univ., Stockholm (Sweden)
  9. Univ. of Arizona, Tucson, AZ (United States)
Publication Date:
Research Org.:
Univ. of Arizona, Tucson, AZ (United States); The Ohio State Univ., Columbus, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Contributing Org.:
Univ. of Queensland, Brisbane, QLD (Australia). Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences
OSTI Identifier:
1481643
Grant/Contract Number:  
SC0010580; SC0016440
Resource Type:
Accepted Manuscript
Journal Name:
Nature (London)
Additional Journal Information:
Journal Name: Nature (London); Journal Volume: 560; Journal Issue: 7716; Related Information: Raw metagenome and metatranscriptomes from the study: https://www.ncbi.nlm.nih.gov/bioproject/?term=PRJNA386568; Journal ID: ISSN 0028-0836
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; 59 BASIC BIOLOGICAL SCIENCES; Permafrost; Metagenomics; Metatranscriptomics; Metaproteomics; Biogeochemistry; Bacteria; Archaea

Citation Formats

Woodcroft, Ben J., Singleton, Caitlin M., Boyd, Joel A., Evans, Paul N., Emerson, Joanne B., Zayed, Ahmed A. F., Hoelzle, Robert D., Lamberton, Timothy O., McCalley, Carmody K., Hodgkins, Suzanne B., Wilson, Rachel M., Purvine, Samuel O., Nicora, Carrie D., Li, Changsheng, Frolking, Steve, Chanton, Jeffrey P., Crill, Patrick M., Saleska, Scott R., Rich, Virginia I., and Tyson, Gene W. Genome-centric view of carbon processing in thawing permafrost. United States: N. p., 2018. Web. doi:10.1038/s41586-018-0338-1.
Woodcroft, Ben J., Singleton, Caitlin M., Boyd, Joel A., Evans, Paul N., Emerson, Joanne B., Zayed, Ahmed A. F., Hoelzle, Robert D., Lamberton, Timothy O., McCalley, Carmody K., Hodgkins, Suzanne B., Wilson, Rachel M., Purvine, Samuel O., Nicora, Carrie D., Li, Changsheng, Frolking, Steve, Chanton, Jeffrey P., Crill, Patrick M., Saleska, Scott R., Rich, Virginia I., & Tyson, Gene W. Genome-centric view of carbon processing in thawing permafrost. United States. https://doi.org/10.1038/s41586-018-0338-1
Woodcroft, Ben J., Singleton, Caitlin M., Boyd, Joel A., Evans, Paul N., Emerson, Joanne B., Zayed, Ahmed A. F., Hoelzle, Robert D., Lamberton, Timothy O., McCalley, Carmody K., Hodgkins, Suzanne B., Wilson, Rachel M., Purvine, Samuel O., Nicora, Carrie D., Li, Changsheng, Frolking, Steve, Chanton, Jeffrey P., Crill, Patrick M., Saleska, Scott R., Rich, Virginia I., and Tyson, Gene W. Mon . "Genome-centric view of carbon processing in thawing permafrost". United States. https://doi.org/10.1038/s41586-018-0338-1. https://www.osti.gov/servlets/purl/1481643.
@article{osti_1481643,
title = {Genome-centric view of carbon processing in thawing permafrost},
author = {Woodcroft, Ben J. and Singleton, Caitlin M. and Boyd, Joel A. and Evans, Paul N. and Emerson, Joanne B. and Zayed, Ahmed A. F. and Hoelzle, Robert D. and Lamberton, Timothy O. and McCalley, Carmody K. and Hodgkins, Suzanne B. and Wilson, Rachel M. and Purvine, Samuel O. and Nicora, Carrie D. and Li, Changsheng and Frolking, Steve and Chanton, Jeffrey P. and Crill, Patrick M. and Saleska, Scott R. and Rich, Virginia I. and Tyson, Gene W.},
abstractNote = {As global temperatures rise, large amounts of carbon sequestered in permafrost are becoming available for microbial degradation. Accurate prediction of carbon gas emissions from thawing permafrost is limited by our understanding of these microbial communities. Here we use metagenomic sequencing of 214 samples from a permafrost thaw gradient to recover 1,529 metagenome-assembled genomes, including many from phyla with poor genomic representation. These genomes reflect the diversity of this complex ecosystem, with genus-level representatives for more than sixty per cent of the community. Meta-omic analysis revealed key populations involved in the degradation of organic matter, including bacteria whose genomes encode a previously undescribed fungal pathway for xylose degradation. Microbial and geochemical data highlight lineages that correlate with the production of greenhouse gases and indicate novel syntrophic relationships. Lastly, our findings link changing biogeochemistry to specific microbial lineages involved in carbon processing, and provide key information for predicting the effects of climate change on permafrost systems.},
doi = {10.1038/s41586-018-0338-1},
journal = {Nature (London)},
number = 7716,
volume = 560,
place = {United States},
year = {Mon Jul 16 00:00:00 EDT 2018},
month = {Mon Jul 16 00:00:00 EDT 2018}
}

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  • Limnology and Oceanography, Vol. 65, Issue S1
  • DOI: 10.1002/lno.11349

Host-linked soil viral ecology along a permafrost thaw gradient
journal, July 2018


The known and the unknown in soil microbial ecology
journal, January 2019


Scientists’ warning to humanity: microorganisms and climate change
text, January 2019


Niche differentiation is spatially and temporally regulated in the rhizosphere
journal, January 2020


Think global, act local: The small-scale environment mainly influences microbial community development and function in lake sediment
text, January 2020

  • Orland, C.; Yakimovich, Km; Mykytczuk, Ncs
  • Apollo - University of Cambridge Repository
  • DOI: 10.17863/cam.44763

Contrasting Pathways for Anaerobic Methane Oxidation in Gulf of Mexico Cold Seep Sediments
journal, February 2019


Distinct Drivers of Core and Accessory Components of Soil Microbial Community Functional Diversity under Environmental Changes
journal, October 2019


The Signal and the Noise: Characteristics of Antisense RNA in Complex Microbial Communities
journal, February 2020

  • Michaelsen, Thomas Yssing; Brandt, Jakob; Singleton, Caitlin Margaret
  • mSystems, Vol. 5, Issue 1
  • DOI: 10.1128/msystems.00587-19

Consistent Metagenome-Derived Metrics Verify and Delineate Bacterial Species Boundaries
journal, January 2020


Genomic and in-situ Transcriptomic Characterization of the Candidate Phylum NPL-UPL2 From Highly Alkaline Highly Reducing Serpentinized Groundwater
journal, December 2018

  • Suzuki, Shino; Nealson, Kenneth H.; Ishii, Shun’ichi
  • Frontiers in Microbiology, Vol. 9
  • DOI: 10.3389/fmicb.2018.03141

Identification of Molecular Markers That Are Specific to the Class Thermoleophilia
journal, May 2019


Distinct Taxonomic and Functional Profiles of the Microbiome Associated With Different Soil Horizons of a Moist Tussock Tundra in Alaska
journal, June 2019


Contrasting Winter Versus Summer Microbial Communities and Metabolic Functions in a Permafrost Thaw Lake
journal, July 2019


Evolutionary Implications of Anoxygenic Phototrophy in the Bacterial Phylum Candidatus Eremiobacterota (WPS-2)
journal, July 2019

  • Ward, Lewis M.; Cardona, Tanai; Holland-Moritz, Hannah
  • Frontiers in Microbiology, Vol. 10
  • DOI: 10.3389/fmicb.2019.01658

Implication of Viral Infections for Greenhouse Gas Dynamics in Freshwater Wetlands: Challenges and Perspectives
journal, August 2019

  • Bonetti, Giuditta; Trevathan-Tackett, Stacey M.; Carnell, Paul E.
  • Frontiers in Microbiology, Vol. 10
  • DOI: 10.3389/fmicb.2019.01962

Microbial Community Structure and Methane Cycling Potential along a Thermokarst Pond-Peatland Continuum
journal, October 2019