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J Bacteriol. 1980 March; 141(3): 1460-1462

Cysteine synthesis by Desulfovibrio vulgaris extracts.

D Gevertz, R Amelunxen and J M Akagi

ABSTRACT

Extracts of Desulfovibrio vulgaris were found to contain serine transacetylase and cysteine synthase activities. When extracts were incubated with bisulfite and o-acetylserine, or acetyl coenzyme A plus L-serine, under a hydrogen atmosphere, cysteine was formed. Pyruvate served as a reductant for bisulfite reduction to sulfide and concomitantly provided the acetyl moiety for acetyl coenzyme A formation. Consequently, when extracts were incubated with pyruvate, bisulfite, and L-serine, cysteine synthesis resulted.

J Bacteriol. 1980 March; 141(3): 1460-1462






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