Production of dimethyl triselenide and dimethyl diselenenyl sulfide in the headspace of metalloid-resistant Bacillus species grown in the presence of selenium oxyanions

Selenium Cycling Across Soil-Plant-Atmosphere Interfaces: A Critical Review

“…In addition to DMSe and DMDSe, the volatile Se species MeSeH and the mixed Se-S species dimethyl selenylsulfide have been identified in natural waters [ 91 , 96 , 256 , 258 ]. Other volatile Se species such as dimethyl triselenide, ethylated-, mixed methyl-ethylated selenides and mixed Se-S species such as dimethylselenyl sulfide, dimethyl selenyldisulfide, dimethyl diselenyl sulfide have been identified in the headspace of Se-amended bacterial cultures [ 259 , 260 ] but never in natural environmental samples. It remains unclear by which mechanisms such volatile Se species can be produced.…”

Chemical and structural characterization of SeIV biotransformations by Stenotrophomonas bentonitica into Se0 nanostructures and volatiles Se species

“…Less common methylated Se compounds such as DMSeS, dimethyl selenyl disulphide (DMSeDS), dimethyl triselenide (DMTSe), and dimethyl selenone [(CH 3 ) 2 SeO 2 ] have also been reported to be generated by several microbes. 23,24 However, the specific mechanism involved in their production still remains unclear.…”

“…have been also detected. 23,24 It is noteworthy that methylation of Se inorganic forms is considered a detoxification process, since methylated species are less toxic compared to Se oxyanions. 25 In our recent publication we describe the ability of S. bentonitica, that has been isolated from Cabo de Gata's bentonite (Almeria, Spain), to reduce Se IV by producing amorphous and crystalline Se nanostructures.…”

Radioactive Semivolatiles in Nuclear Fuel Reprocessing

“…Both selenium and tellurium form these volatile species at landfills and composts (Burra et al 2010, Diaz-Bone et al 2011, Fatoki 1997, Feldmann 2003, Ollivier et al 2008, in soils (Blanc andJones 1979, Zhang andFrankenberger 2002), and marine environments (Ollivier et al 2008). The selenium volatiles appear to be stable in concentrated HNO 3 (Winkel et al 2010).…”