Cited by 88Methane Hydrates and Related PhenomenaMicrobial Community Ecology and PhysiologyMicrobial Fuel Cells and Bioremediation

Acetogenesis in Deep Subseafloor Sediments of The Juan de Fuca Ridge Flank: A Synthesis of Geochemical, Thermodynamic, and Gene-based Evidence

Lever, Mark A., Heuer, Verena B., Morono, Yuki, Masui, Noriaki, Schmidt, Frauke, Alperin, Marc J., Inagaki, Fumio, Hinrichs, Kai-Uwe +1 more·2010·Geomicrobiology Journal

Abstract

In deep subsurface sediments of the Juan de Fuca Ridge Flank, porewater acetate that is depleted in 13 C relative to sedimentary organic matter indicates an acetogenic component to total acetate production. Thermodynamic calculations indicate common fermentation products or lignin monomers as potential substrates for acetogenesis. The classic autotrophic reaction may contribute as well, provided that dihydrogen (H 2 ) concentrations are not drawn down to the thermodynamic thresholds of the energetically more favorable processes of sulfate reduction and methanogenesis. A high diversity of novel formyl tetrahydrofolate synthetase (fhs) genes throughout the upper half of the sediment column indicates the genetic potential for acetogenesis. Our results suggest that a substantial fraction of the acetate produced in marine sediment porewaters may derive from acetogenesis, in addition to the conventionally invoked sources fermentation and sulfate reduction.

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Crossref · 10.1080/01490450903456681

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264 of 264 references verified0 citation errors · 0 not checkable

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  • Sulfate reducers, acetogens and methanogens appear to be the most common inhabitants of ecosystems situated deep within the crust.

    “Sulfate reducers, acetogens and methanogens appear to be the most common inhabitants of ecosystems situated deep within the crust [184–188].”

    From Early bioenergetic evolution (2013) · cites this paper as [187]

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Authors
Lever, M. A., Heuer, V. B., Morono, Y., Masui, N., Schmidt, F., Alperin, M. J., Inagaki, F., Hinrichs, K.-U., & Teske, A.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • University of Bremen (DE)
  • Japan Agency for Marine-Earth Science and Technology (JP)
Venue
Geomicrobiology Journal
Published
2010-02-26
Volume
27
Issue
2
Pages
183-211
ISSN
  • 0149-0451 (ISSN-L)
  • 1521-0529
OpenAlex
W1982075342
Cited by
86
References
265
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2023: 5 · 2022: 1 · 2021: 4 · 2020: 5 · 2019: 9 · 2018: 3 · 2017: 6 · 2016: 8 · 2015: 6 · 2014: 8 · 2013: 7 · 2012: 7
FWCI
7.23
Type
journal article
Language
en
Open access
closed
Locations
  • Geomicrobiology Journal (publishedVersion)
  • Publication Database GFZ (GFZ German Research Centre for Geosciences) (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Methane Hydrates and Related Phenomena
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Physical Sciences › Environmental Science › Environmental Engineering › Microbial Fuel Cells and Bioremediation
Keywords
acetogenesis, Juan de Fuca Ridge, lignin monomers, fermentation substrate, molecular hydrogen, sulfate reduction, methanogenesis, marine sediment geochemistry

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