Long-term Sustainability of a High-energy, Low-diversity Crustal Biome.
From: Department of Geosciences, Princeton University, Princeton, NJ, USA. lhlin@ntu.edu.tw
Science (New York, N.Y.)
- Publish Date: Oct 2006
- ISSN: 1095-9203
- Volume: 314
- Issue: 5798
- Pages: 479-82
- Medium: Internet
- Language: English
- Citation (JAMA): Lin Li-Hung, Wang Pei-Ling, Rumble Douglas, et al. Long-term Sustainability of a High-energy, Low-diversity Crustal Biome.. Science Oct 2006;314:479-82
Abstract
Geochemical, microbiological, and molecular analyses of alkaline saline groundwater at 2.8 kilometers depth in Archaean metabasalt revealed a microbial biome dominated by a single phylotype affiliated with thermophilic sulfate reducers belonging to Firmicutes. These sulfate reducers were sustained by geologically produced sulfate and hydrogen at concentrations sufficient to maintain activities for millions of years with no apparent reliance on photosynthetically derived substrates.
Mesh Headings (Keywords): Bacteria, Biodiversity, DNA, Ribosomal, Ecosystem, Gold, Hydrogen, Mining, Oligonucleotide Array Sequence Analysis, Oxidation-Reduction, Phylogeny, RNA, Ribosomal, 16S, South Africa, Sulfates, Temperature, Thermodynamics, Time, Water Microbiology
Check for Full Text / PubMed Unique Identifier (PMID): 17053150
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