ArticleApplied and environmental microbiology2009
Metabolic versatility and indigenous origin of the archaeon Thermococcus sibiricus, isolated from a siberian oil reservoir, as revealed by genome analysis.
Article in Applied and environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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48 citing papers in PubMed, 87 citations in OpenAlex.
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- Geological processes mediate a microbial dispersal loop in the deep biosphere.Science advances · 2022Article
- Genomics and simulated laboratory studies reveal Thermococcus sp. 101C5 as a novel hyperthermophilic archaeon possessing a specialized metabolic arsenal for enhanced oil recovery.Antonie van Leeuwenhoek · 2022Article
- Selective enrichment on a wide polysaccharide spectrum allowed isolation of novel metabolic and taxonomic groups of haloarchaea from hypersaline lakes.Frontiers in microbiology · 2022Article
- A Novel L-Asparaginase from Hyperthermophilic ArchaeonInternational journal of molecular sciences · 2021Article
- Formate Utilization by the CrenarchaeonMicroorganisms · 2020Article
- Metabolic Adaptation to Sulfur of HyperthermophilicInternational journal of molecular sciences · 2020Article
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- Genome of the candidate phylum Aminicenantes bacterium from a deep subsurface thermal aquifer revealed its fermentative saccharolytic lifestyle.Extremophiles : life under extreme conditions · 2019Article
- Novel Hyperthermophilic CrenarchaeonFrontiers in microbiology · 2019Article
- Comparative genomic analysis of Geosporobacter ferrireducens and its versatility of anaerobic energy metabolism.Journal of microbiology (Seoul, Korea) · 2018Article
- Hyperthermophilic Carbamate Kinase Stability and AnabolicApplied and environmental microbiology · 2018Article
- Different Diversity and Distribution of Archaeal Community in the Aqueous and Oil Phases of Production Fluid From High-Temperature Petroleum Reservoirs.Frontiers in microbiology · 2018Article
- Bacterial Diversity and the Geochemical Landscape in the Southwestern Gulf of Mexico.Frontiers in microbiology · 2018Article
- Succession in the petroleum reservoir microbiome through an oil field production lifecycle.The ISME journal · 2017Article
- Study on distribution of reservoir endogenous microbe and oil displacement mechanism.Saudi journal of biological sciences · 2017Article
- Transcriptomic analysis of the highly efficient oil-degrading bacterium Acinetobacter venetianus RAG-1 reveals genes important in dodecane uptake and utilization.FEMS microbiology letters · 2016Article
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7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Thermococcus species are widely distributed in terrestrial and marine hydrothermal areas, as well as in deep subsurface oil reservoirs. Thermococcus sibiricus is a hyperthermophilic anaerobic archaeon isolated from a well of the never flooded oil-bearing Jurassic horizon of a high-temperature oil reservoir. To obtain insight into the genome of an archaeon inhabiting the oil reservoir, we have determined and annotated the complete 1,845,800-base genome of T. sibiricus. A total of 2,061 protein-coding genes have been identified, 387 of which are absent in other members of the order Thermococcales. Physiological features and genomic data reveal numerous hydrolytic enzymes (e.g., cellulolytic enzymes, agarase, laminarinase, and lipases) and metabolic pathways, support the proposal of the indigenous origin of T. sibiricus in the oil reservoir, and explain its survival over geologic time and its proliferation in this habitat. Indeed, in addition to proteinaceous compounds known previously to be present in oil reservoirs at limiting concentrations, its growth was stimulated by cellulose, agarose, and triacylglycerides, as well as by alkanes. Two polysaccharide degradation loci were probably acquired by T. sibiricus from thermophilic bacteria following lateral gene transfer events. The first, a "saccharolytic gene island" absent in the genomes of other members of the order Thermococcales, contains the complete set of genes responsible for the hydrolysis of cellulose and beta-linked polysaccharides. The second harbors genes for maltose and trehalose degradation. Considering that agarose and laminarin are components of algae, the encoded enzymes and the substrate spectrum of T. sibiricus indicate the ability to metabolize the buried organic matter from the original oceanic sediment.
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