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Title: Microbial Metagenomics Reveals Climate-Relevant Subsurface Biogeochemical Processes

Abstract

Microorganisms play key roles in terrestrial system processes, including the turnover of natural organic carbon, such as leaf litter and woody debris that accumulate in soils and subsurface sediments. What has emerged from a series of recent DNA sequencing-based studies is recognition of the enormous variety of little known and previously unknown microorganisms that mediate recycling of these vast stores of buried carbon in subsoil compartments of the terrestrial system. More importantly, the genome resolution achieved in these studies has enabled association of specific members of these microbial communities with carbon compound transformations and other linked biogeochemical processes–such as the nitrogen cycle–that can impact the quality of groundwater, surface water, and atmospheric trace gas concentrations. The emerging view also emphasizes the importance of organism interactions through exchange of metabolic byproducts (e.g., within the carbon, nitrogen, and sulfur cycles) and via symbioses since many novel organisms exhibit restricted metabolic capabilities and an associated extremely small cell size. New, genome-resolved information reshapes our view of subsurface microbial communities and provides critical new inputs for advanced reactive transport models. Finally, these inputs are needed for accurate prediction of feedbacks in watershed biogeochemical functioning and their influence on the climate via the fluxes ofmore » greenhouse gases, CO2, CH4, and N2O.« less

Authors:
 [1];  [1];  [1];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1471018
Alternate Identifier(s):
OSTI ID: 1398007
Grant/Contract Number:  
AC02-05CH11231; SC0004918; AC06-76RLO 1830
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Trends in Microbiology
Additional Journal Information:
Journal Volume: 24; Journal Issue: 8; Journal ID: ISSN 0966-842X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 54 ENVIRONMENTAL SCIENCES; metagenome; subsurface biogeochemistry; reaction pathway; greenhouse gases

Citation Formats

Long, Philip E., Williams, Kenneth H., Hubbard, Susan S., and Banfield, Jillian F. Microbial Metagenomics Reveals Climate-Relevant Subsurface Biogeochemical Processes. United States: N. p., 2016. Web. doi:10.1016/j.tim.2016.04.006.
Long, Philip E., Williams, Kenneth H., Hubbard, Susan S., & Banfield, Jillian F. Microbial Metagenomics Reveals Climate-Relevant Subsurface Biogeochemical Processes. United States. https://doi.org/10.1016/j.tim.2016.04.006
Long, Philip E., Williams, Kenneth H., Hubbard, Susan S., and Banfield, Jillian F. 2016. "Microbial Metagenomics Reveals Climate-Relevant Subsurface Biogeochemical Processes". United States. https://doi.org/10.1016/j.tim.2016.04.006. https://www.osti.gov/servlets/purl/1471018.
@article{osti_1471018,
title = {Microbial Metagenomics Reveals Climate-Relevant Subsurface Biogeochemical Processes},
author = {Long, Philip E. and Williams, Kenneth H. and Hubbard, Susan S. and Banfield, Jillian F.},
abstractNote = {Microorganisms play key roles in terrestrial system processes, including the turnover of natural organic carbon, such as leaf litter and woody debris that accumulate in soils and subsurface sediments. What has emerged from a series of recent DNA sequencing-based studies is recognition of the enormous variety of little known and previously unknown microorganisms that mediate recycling of these vast stores of buried carbon in subsoil compartments of the terrestrial system. More importantly, the genome resolution achieved in these studies has enabled association of specific members of these microbial communities with carbon compound transformations and other linked biogeochemical processes–such as the nitrogen cycle–that can impact the quality of groundwater, surface water, and atmospheric trace gas concentrations. The emerging view also emphasizes the importance of organism interactions through exchange of metabolic byproducts (e.g., within the carbon, nitrogen, and sulfur cycles) and via symbioses since many novel organisms exhibit restricted metabolic capabilities and an associated extremely small cell size. New, genome-resolved information reshapes our view of subsurface microbial communities and provides critical new inputs for advanced reactive transport models. Finally, these inputs are needed for accurate prediction of feedbacks in watershed biogeochemical functioning and their influence on the climate via the fluxes of greenhouse gases, CO2, CH4, and N2O.},
doi = {10.1016/j.tim.2016.04.006},
url = {https://www.osti.gov/biblio/1471018}, journal = {Trends in Microbiology},
issn = {0966-842X},
number = 8,
volume = 24,
place = {United States},
year = {Tue May 03 00:00:00 EDT 2016},
month = {Tue May 03 00:00:00 EDT 2016}
}

Journal Article:

Citation Metrics:
Cited by: 28 works
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Works referencing / citing this record:

Comparison of Microbiomes and Resistomes in Two Karst Groundwater Sites in Chongqing, China
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Iron-oxidizer hotspots formed by intermittent oxic–anoxic fluid mixing in fractured rocks
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Thousands of microbial genomes shed light on interconnected biogeochemical processes in an aquifer system
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Thousands of microbial genomes shed light on interconnected biogeochemical processes in an aquifer system
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Diversity, Ecology, and Prevalence of Antimicrobials in Nature
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