ArticleApplied and environmental microbiology2015
The Geoglobus acetivorans genome: Fe(III) reduction, acetate utilization, autotrophic growth, and degradation of aromatic compounds in a hyperthermophilic archaeon.
Article in Applied and environmental microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 42 citations in OpenAlex.
- Draft genome sequence ofMicrobiology resource announcements · 2026Article
- The extreme halophilic archaeonJournal of bacteriology · 2026Article
- Anaerobic hexadecane degradation by a thermophilic Hadarchaeon from Guaymas Basin.The ISME journal · 2024Article
- Construction of multiple metagenome assembled genomes containing carbon monoxide dehydrogenases from anaerobic carbon monoxide enrichment cultures.Archives of microbiology · 2023Article
- Iron or sulfur respiration-an adaptive choice determining the fitness of a natronophilic bacteriumFrontiers in microbiology · 2023Article
- Microorganisms from deep-sea hydrothermal vents.Marine life science & technology · 2021Review
- The Proposed Molecular Mechanisms Used by Archaea for Fe(III) Reduction and Fe(II) Oxidation.Frontiers in microbiology · 2021Review
- Metagenomic Insights Into the Microbial Iron Cycle of Subseafloor Habitats.Frontiers in microbiology · 2021Article
- Physiological and Genomic Characterization of a Hyperthermophilic ArchaeonFrontiers in microbiology · 2021Article
- Identification, overexpression, purification, and biochemical characterization of a novel hyperthermostable keratinase from3 Biotech · 2021Article
- Article
- Anaerobic methane oxidation coupled to manganese reduction by members of the Methanoperedenaceae.The ISME journal · 2020Article
- Novel Extracellular Electron Transfer Channels in a Gram-Positive Thermophilic Bacterium.Frontiers in microbiology · 2020Article
- Divergent methyl-coenzyme M reductase genes in a deep-subseafloor Archaeoglobi.The ISME journal · 2019Article
- Structural characterization of geranylgeranyl pyrophosphate synthase GACE1337 from the hyperthermophilic archaeon Geoglobus acetivorans.Extremophiles : life under extreme conditions · 2018Article
- Survival and Energy Producing Strategies of Alkane Degraders Under Extreme Conditions and Their Biotechnological Potential.Frontiers in microbiology · 2018Review
- Genomic Insights Into Energy Metabolism ofFrontiers in 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
- Ecological and genomic profiling of anaerobic methane-oxidizing archaea in a deep granitic environment.The ISME journal · 2018Article
- The draft genome of the hyperthermophilic archaeonStandards in genomic sciences · 2017Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Geoglobus acetivorans is a hyperthermophilic anaerobic euryarchaeon of the order Archaeoglobales isolated from deep-sea hydrothermal vents. A unique physiological feature of the members of the genus Geoglobus is their obligate dependence on Fe(III) reduction, which plays an important role in the geochemistry of hydrothermal systems. The features of this organism and its complete 1,860,815-bp genome sequence are described in this report. Genome analysis revealed pathways enabling oxidation of molecular hydrogen, proteinaceous substrates, fatty acids, aromatic compounds, n-alkanes, and organic acids, including acetate, through anaerobic respiration linked to Fe(III) reduction. Consistent with the inability of G. acetivorans to grow on carbohydrates, the modified Embden-Meyerhof pathway encoded by the genome is incomplete. Autotrophic CO2 fixation is enabled by the Wood-Ljungdahl pathway. Reduction of insoluble poorly crystalline Fe(III) oxide depends on the transfer of electrons from the quinone pool to multiheme c-type cytochromes exposed on the cell surface. Direct contact of the cells and Fe(III) oxide particles could be facilitated by pilus-like appendages. Genome analysis indicated the presence of metabolic pathways for anaerobic degradation of aromatic compounds and n-alkanes, although an ability of G. acetivorans to grow on these substrates was not observed in laboratory experiments. Overall, our results suggest that Geoglobus species could play an important role in microbial communities of deep-sea hydrothermal vents as lithoautotrophic producers. An additional role as decomposers would close the biogeochemical cycle of carbon through complete mineralization of various organic compounds via Fe(III) respiration.
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