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  Quantitative Analysis of Coenzyme F430 in Environmental Samples: A New Diagnostic Tool for Methanogenesis and Anaerobic Methane Oxidation

Kaneko, M., Takano, Y., Chikaraishi, Y., Ogawa, N., Asakawa, S., Watanabe, T., et al. (2014). Quantitative Analysis of Coenzyme F430 in Environmental Samples: A New Diagnostic Tool for Methanogenesis and Anaerobic Methane Oxidation. Analytical Chemistry, 86(7), 3633-3638. doi:10.1021/ac500305j.

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 Creators:
Kaneko, M., Author
Takano, Y., Author
Chikaraishi, Y., Author
Ogawa, N., Author
Asakawa, S., Author
Watanabe, T., Author
Shima, S.1, Author              
Kruger, M., Author
Matsushita, M., Author
Kimura, H., Author
Ohkouchi, N., Author
Affiliations:
1Department-Independent Research Group Microbial Protein Structure, Max Planck Institute for Terrestrial Microbiology, Max Planck Society, ou_3266277              

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 Abstract: Coenzyme F430 is a nickel hydrocorphinoid and is the prosthetic group of methyl–coenzyme M reductase that catalyzes the last step of the methanogenic reaction sequence and its reversed reaction for anaerobic methane oxidation by ANME. As such, function-specific compound analysis has the potential to reveal the microbial distribution and activity associated with methane production and consumption in natural environments and, in particular, in deep subsurface sediments where microbiological and geochemical techniques are restricted. Herein, we report the development of a technique for high-sensitivity analysis of F430 in environmental samples, including paddy soils, marine sediments, microbial mats, and an anaerobic groundwater. The lower detection limit of F430 analysis by liquid chromatography/mass spectrometry is 0.1 femto mol, which corresponds to 6 × 102 to 1 × 104 cells of methanogens. F430 concentrations in these natural environmental samples range from 63 × 10–6 to 44 nmol g–1 and are consistent with the methanogenic archaeal biomass estimated by microbiological analyses.

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Language(s): eng - English
 Dates: 2014-04-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 708733
ISI: 000333776600052
DOI: 10.1021/ac500305j
 Degree: -

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Title: Analytical Chemistry
  Abbreviation : Anal. Chem.
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 86 (7) Sequence Number: - Start / End Page: 3633 - 3638 Identifier: ISSN: 0003-2700
CoNE: https://pure.mpg.de/cone/journals/resource/111032812862552