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Permafrost Meta-Omics and Climate Change

Journal Article · · Annual Review of Earth and Planetary Sciences
 [1];  [2];  [3];  [4];  [5]
  1. California State Univ. (CalState), Northridge, CA (United States); University of Arizona
  2. Univ. of Arizona, Tucson, AZ (United States)
  3. Aarhus Univ. (Denmark); Univ. of Copenhagen (Denmark)
  4. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Permanently frozen soil, or permafrost, covers a large portion of the Earth's terrestrial surface and represents a unique environment for cold-adapted microorganisms. As permafrost thaws, previously protected organic matter becomes available for microbial degradation. Microbes that decompose soil carbon produce carbon dioxide and other greenhouse gases, contributing substantially to climate change. Next-generation sequencing and other -omics technologies offer opportunities to discover the mechanisms by which microbial communities regulate the loss of carbon and the emission of greenhouse gases from thawing permafrost regions. Analysis of nucleic acids and proteins taken directly from permafrost-associated soils has provided new insights into microbial communities and their functions in Arctic environments that are increasingly impacted by climate change. In this article we review current information from various molecular -omics studies on permafrost microbial ecology and explore the relevance of these insights to our current understanding of the dynamics of permafrost loss due to climate change.
Research Organization:
Univ. of Arizona, Tucson, AZ (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Grant/Contract Number:
SC0004632
OSTI ID:
1602277
Alternate ID(s):
OSTI ID: 1326138
Journal Information:
Annual Review of Earth and Planetary Sciences, Journal Name: Annual Review of Earth and Planetary Sciences Journal Issue: 1 Vol. 44; ISSN 0084-6597
Publisher:
Annual ReviewsCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (14)

High-Alpine Permafrost and Active-Layer Soil Microbiomes Differ in Their Response to Elevated Temperatures journal April 2019
Non‐cyanobacterial diazotrophs dominate nitrogen‐fixing communities in permafrost thaw ponds journal January 2020
Host-linked soil viral ecology along a permafrost thaw gradient journal July 2018
Scientists’ warning to humanity: microorganisms and climate change journal June 2019
Soil microbiomes and climate change journal October 2019
The breadth of climate change impacts on biological systems journal April 2019
Species interactions and distinct microbial communities in high Arctic permafrost affected cryosols are associated with the CH 4 and CO 2 gas fluxes journal July 2019
Microbial functional diversity covaries with permafrost thaw-induced environmental heterogeneity in tundra soil journal September 2017
Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter journal September 2017
Short-Term Transcriptional Response of Microbial Communities to Nitrogen Fertilization in a Pine Forest Soil journal May 2018
Bacterial and Archaeal Metagenome-Assembled Genome Sequences from Svalbard Permafrost journal July 2019
Soil DNA: advances in DNA technology offer a powerful new tool for forensic science journal July 2019
Non-Psychrophilic Methanogens Capable of Growth Following Long-Term Extreme Temperature Changes, with Application to Mars journal April 2018
Scientists’ warning to humanity: microorganisms and climate change text January 2019

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