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  • [Thiodiglycol metabolism in Alcaligenes xylosoxydans subsp. denitrificans].

[Thiodiglycol metabolism in Alcaligenes xylosoxydans subsp. denitrificans].

Mikrobiologiia (2002-11-27)
I T Ermakova, I I Starovoĭtov, E B Tikhonova, A V Slepen'kin, K I Kashparov, A M Boronin
ABSTRACT

The investigation of the degradation of thiodiglycol (the major product of mustard gas hydrolysis) by Alcaligenes xylosoxydans subsp. denitrificans strain TD2 showed that thiodiglycol is metabolized through the oxidation of its primary alcohol groups and the subsequent cleavage of C-S bonds in the intermediate products, thiodiglycolic and thioglycolic acids. The end products of these reactions are SO4(2-) ions and acetate, the latter being involved in the central metabolism of strain TD2. The oxidation of the sulfur atom gives rise to diglycolsulfoxide, which is recalcitrant to further microbial degradation. Based on the data obtained, a metabolic pathway of thiodiglycol transformation by A. xylosoxydans subsp. denitrificans strain TD2 is proposed.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
2,2′-Thiodiethanol, ≥99%
Sigma-Aldrich
2,2′-Thiodiethanol, purum, ≥95.0% (GC)
Sigma-Aldrich
2,2′-Thiodiacetic acid, 98%
Supelco
Thiodiglycol solution, 1000 μg/mL in methanol, ampule of 1.2 mL, certified reference material, Cerilliant®