Reports

Carbon Dioxide-Fixation in Photosynthetic Green Sulfur Bacteria

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Science  10 Jul 1970:
Vol. 169, Issue 3941, pp. 186-188
DOI: 10.1126/science.169.3941.186

Abstract

The main products of carbon dioxide-fixation in washed suspensions of Chlorobium thiosulfatophilum are a polyglucose, α-ketoglutarate, and α-keto-β-methylvalerate. All of these can be formed by a mechanism involving the reductive carboxylic acid cycle. The reductive pentose phosphate cycle appears to play a quantitatively minor role in carbon dioxide-fixation under these conditions.

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