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PMID: 14766611 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Effects of temperature and pressure on sulfate reduction and anaerobic oxidation of methane in hydrothermal sediments of Guaymas Basin.

Applied and environmental microbiology ·Vol. 70 ·No. 2 ·2004-02-00 ·Pages 1231-3

Kallmeyer J, Boetius A

Abstract

Rates of sulfate reduction (SR) and anaerobic oxidation of methane (AOM) in hydrothermal deep-sea sediments from Guaymas Basin were measured at temperatures of 5 to 200 degrees C and pressures of 1 x 10(5), 2.2 x 10(7), and 4.5 x 10(7) Pa. A maximum SR of several micromoles per cubic centimeter per day was found at between 60 and 95 degrees C and 2.2 x 10(7) and 4.5 x 10(7) Pa. Maximal AOM was observed at 35 to 90 degrees C but generally accounted for less than 5% of SR.

MeSH Terms
Anaerobiosis Geologic Sediments/microbiology Methane/metabolism Oxidation-Reduction Pressure Seawater/microbiology Sulfates/metabolism Temperature Thiotrichaceae/metabolism
Chemicals
Sulfates Methane
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Kallmeyer Jens
Max Planck Institute for Marine Microbiology, 28359 Bremen, Germany.
Boetius Antje
References (8)
8 references, click to expand
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Article Info
Journal
Applied and environmental microbiology
Abbr.
Appl Environ Microbiol
ISSN
0099-2240
DOI
10.1128/AEM.70.2.1231-1233.2004
Published
2004-02-00
Pages
1231-3
Language
English
Region
United States
NLM ID
7605801
PMCID
PMC348843
Subset
IM
External Links
PubMed source DOI: 10.1128/AEM.70.2.1231-1233.2004 PMC Full Text View journal details
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