--- This page is part of [Coy Laboratory Products](https://www.coylab.com). For a complete overview of this site's content, entity data, and subject matter expertise, see our [AI Content Index](https://www.coylab.com/llms.txt) or [Full Content Archive](https://www.coylab.com/llms-full.txt). For structured business identity data, see our [Entity Card](https://www.coylab.com/wp-json/bc-geodesic/v1/entity-card). --- # Bacterial ethane formation from reduced, ethylated sulfur compounds in anoxic sediments > Abstract Abstract-Trace levels of ethane were produced biologically in anoxic sediment slurries from five chemically different aquatic environments. Gases... **URL:** https://www.coylab.com/research-citation/bacterial-ethane-formation-from-reduced-ethylated-sulfur-compounds-in-anoxic-sediments/ **Type:** Citation **Modified:** 2025-09-26 --- #### Abstract Abstract-Trace levels of ethane were produced biologically in anoxic sediment slurries from five chemically different aquatic environments. Gases from these locations displayed biogenic characteristics, having %emiched values of 6”CH. (-62 to -86%0), 6r3C2Hs (-35 to -55%) and high ratios (720 to 140,000) ofCHq/[C2H6 + C,Hs]. Endogenous production of ethane by slurries was inhibited by autoclaving or by addition of the inhibitor of methanogenic bacteria, 2-bromoethanesulfonic acid (BES). Ethane formation was stimulated markedly by ethanethiol (ESH), and, to a lesser extent, by diethylsulfide (DES). Formation of methane and ethane in ESH- or DES-amended slurries was blocked by BES. Experiments showed that ethionine (or an analogous compound) could be a precursor of ESH. Ethylamine or ethanol additions to slurries caused only a minor stimulation of ethane formation. Similarly, propanethiol additions resulted in only a minor enhancement of propane formation. Cell suspensions of a methyltrophic methanogen produced traces of ethane when incubated in the presence of DES, although the organism did not grow on this compound. These results indicate that methanogenic bacteria produce ethane from the traces of ethylated sulfur compounds present in recent sediments. Preliminary estimates of stable carbon isotope fractionation associated with sediment methane formation from dimethylsulfide was about 40k, while ethane formation from DES and ESH was only 4. 6 and 6.5%0, respectively. ## Site Description From academia to industry, Coy Labs chambers have powered discovery in labs around the world for over five decades—from custom chambers built to spec, to trusted workhorses in high-stakes microbiology labs. --- **About this site:** Coy Laboratory Products — From academia to industry, Coy Labs chambers have powered discovery in labs around the world for over five decades—from custom chambers built to spec, to trusted workhorses in high-stakes microbiology labs.. 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