C1-cycle of sulfur compounds

Abstract

C1 organic sulfides are part of many ecosystems and play an important role in the global sulfur budget and climate regulation. At this point, fluxes and conversions of these compounds are only superficially understood. Understanding of the regulating mechanisms will be necessary to quantify the role of these compounds in the global sulfur budget at their climatic role. In this review, the current knowledge of fluxes and conversions of C1 organic sulfides in different ecosystems is presented.

Bacteria associated with iron seeps in a sulfur-rich, neutral pH, freshwater ecosystem

“…Both aerobic and anaerobic DMS-degrading microorganisms have been previously described. Aerobic DMS-degrading microorganisms that have been previously isolated from sewage treatment plants, marine sediments, soil and biofilters include Thiobacilli (De Zwart and Kuenen, 1992;Visscher and Taylor, 1993), Hyphomicrobia (Suylen and Kuenen, 1986;Pol et al, 1994) and Methylophaga (De Zwart et al, 1996). Anaerobic DMS-degrading bacteria previously described are methanogens (Kiene et al, 1986;Lomans et al, 1999b), anoxygenic phototrophs (Widdel and Pfennig, 1981;Zeyer et al, 1987), sulfate-reducing bacteria (Tanimoto and Bak, 1994) and denitrifying bacteria (Visscher and Taylor 1993b).…”

The visible light-driven photodegradation of dimethyl sulfide on S-doped TiO 2 : Characterization, kinetics, and reaction pathways

“…Dimethyl sulfide (DMS) is one of typical odorous volatile organic sulfur compounds (VOSC) from photoresist processes of photoelectric industry, anaerobic wastewater treatment plants, composting plants, and rendering plants [2]. DMS has a specific smell like rotten cabbage and a very low odor threshold value (OTV) of 0.6-40 ppb [3,4]. The anthropogenic source can easily result in local concentrations strongly exceeding OTV [5].…”

Methanesulphonate utilization by a novel methylotrophic bacterium involves an unusual monooxygenase

“…The principal organic sulphur compound entering the atmosphere from terrestrial and aquatic environments is dimethyl sulphide (DMS) Kuenen, 1992). There is now good evidence that DMS in sea water is primarily derived from the degradation of dimethylsulphonium propionate, an osmolyte produced by many algal species and marine plants (Kiene, 1993).…”