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  • Title: Stable sulfur isotope fractionation during the reduction of thiosulfate by Dethiosulfovibrio russensis.
    Author: Surkov AV, Böttcher ME, Kuever J.
    Journal: Arch Microbiol; 2000 Dec; 174(6):448-51. PubMed ID: 11195101.
    Abstract:
    Stable sulfur isotope fractionation was investigated during reduction of thiosulfate by growing batch cultures of Dethiosulfovibrio russensis at a cell-specific reduction rate of 2.4 +/- 0.72 fmol cell(-1) d(-1) (28 degrees C). Citrate was used as carbon and energy source. The hydrogen sulfide produced by this sulfur- and thiosulfate-reducing bacterium was depleted in 34S by 11% compared to total thiosulfate sulfur, in agreement with previous results observed for sulfate-reducing bacteria. This indicates the operation of a similar pathway for thiosulfate reduction in these phylogenetically different bacteria.
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