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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Halomonas sulfidaeris-dominated microbial community inhabits a 1.8 km-deep subsurface Cambrian sandstone reservoir
Environmental Microbiology, Volume 16, No. 6, Year 2014
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Description
A low-diversity microbial community, dominated by the γ-proteobacterium Halomonas sulfidaeris, was detected in samples of warm saline formation porewater collected from the Cambrian Mt. Simon Sandstone in the Illinois Basin of the North American Midcontinent (1.8 km/5872 ft burial depth, 50oC, pH 8, 181 bars pressure). These highly porous and permeable quartz arenite sandstones are directly analogous to reservoirs around the world targeted for largescale hydrocarbon extraction, as well as subsurface gas and carbon storage. A new downhole lowcontamination subsurface sampling probe was used to collect in situ formation water samples for microbial environmental metagenomic analyses. Multiple lines of evidence suggest that this H. sulfidaerisdominated subsurface microbial community is indigenous and not derived from drilling mud microbial contamination. Data to support this includes V1-V3 pyrosequencing of formation water and drilling mud, as well as comparison with previously published microbial analyses of drilling muds in other sites. Metabolic pathway reconstruction, constrained by thegeology, geochemistry and present-day environmental conditions of the Mt. Simon Sandstone, implies that H. sulfidaeris-dominated subsurface microbial community may utilize iron and nitrogen metabolisms and extensively recycle indigenous nutrients and substrates. The presence of aromatic compound metabolic pathways suggests this microbial community can readily adapt to and survive subsurface hydrocarbon migration. © 2013 Society for Applied Microbiology and John Wiley & Sons Ltd.
Authors & Co-Authors
Chia, Nicholas
United States, Urbana
University of Illinois Urbana-champaign
United States, Seattle
Institute for Systems Biology
United States, Rochester
Mayo Clinic
Price, Nathan D.
United States, Urbana
University of Illinois Urbana-champaign
United States, Seattle
Institute for Systems Biology
Cann, Isaac K.O.
United States, Urbana
University of Illinois Urbana-champaign
Hong, Pei-Ying
United States, Urbana
University of Illinois Urbana-champaign
Tamaki, Hideyuki
United States, Urbana
University of Illinois Urbana-champaign
Japan, Tsukuba
National Institute of Advanced Industrial Science and Technology
Liu, Wentso
United States, Urbana
University of Illinois Urbana-champaign
Mackie, Roderick Ian
United States, Urbana
University of Illinois Urbana-champaign
Hernández, Álvaro Gonzalo
United States, Urbana
University of Illinois Urbana-champaign
Mikel, Mark A.
United States, Urbana
University of Illinois Urbana-champaign
Yannarell, Anthony C.
United States, Urbana
University of Illinois Urbana-champaign
Statistics
Citations: 45
Authors: 10
Affiliations: 8
Identifiers
Doi:
10.1111/1462-2920.12325
ISSN:
14622912
Research Areas
Environmental
Noncommunicable Diseases