Amending cultures of selenium‐resistant bacteria with dimethyl selenone
- 1 October 1994
- journal article
- research article
- Published by Wiley in Applied Organometallic Chemistry
- Vol. 8 (6) , 501-508
- https://doi.org/10.1002/aoc.590080602
Abstract
A possible biological intermediate in the reduction and methylation of selenium oxyanions, dimethyl selenone, was synthesized, and the first experiments involving the amendment of selenium resistant bacterial cultures with this compound are reported. The amount of volatile, reduced selenium‐containing species released from these cultures into the headspace is significantly more than that produced in analogous experiments involving sodium selenate amended cultures. Dimethyl selenone is reduced in the presence of dimethyl sulfide and dimethyl disulfide in a complex growth medium, trypticase soy broth with 0.1% nitrate. This reduction occurs whether or not the reduced sulfur compounds are biologically produced.Keywords
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