Microbial formation of ethane in anoxic estuarine sediments

Applied and Environmental Microbiology
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Abstract

Estuarine sediment slurries produced methane and traces of ethane when incubated under hydrogen. Formation of methane occurred over a broad temperature range with an optimum above 65°C. Ethane formation had a temperature optimum at 40°C. Formation of these two gases was inhibited by air, autoclaving, incubation at 4 and 80°C, and by the methanogenic inhibitor, 2-bromoethanesulfonic acid. Ethane production was stimulated by addition of ethylthioethanesulfonic acid, and production from ethylthioethanesulfonic acid was blocked by 2-bromoethanesulfonic acid. A highly purified enrichment culture of a methanogenic bacterium obtained from sediments produced traces of ethane from ethylthioethanesulfonic acid. These results indicate that the small quantities of ethane found in anaerobic sediments can be formed by certain methanogenic bacteria.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Microbial formation of ethane in anoxic estuarine sediments
Series title Applied and Environmental Microbiology
Volume 42
Issue 1
Year Published 1981
Language English
Publisher American Society for Microbiology
Contributing office(s) Pacific Regional Director's Office, San Francisco Bay-Delta
Description 8 p.
First page 122
Last page 129
Online Only (Y/N) N
Additional Online Files (Y/N) N