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. 1977 Jul;60(1):109–114. doi: 10.1104/pp.60.1.109

Phosphoserine and Phosphohydroxypyruvic Acid

Evidence for Their Role as Early Intermediates in Photosynthesis 1

Larry S Daley a,2, R G S Bidwell a
PMCID: PMC542558  PMID: 16660020

Abstract

Photosynthetic fixation of 14CO2 in the bean Phaseolus vulgaris, cv. Pencil Pod Black Wax, resulted in the appearance of labeled compounds that were characterized as phosphoserine and phosphohydroxypyruvate by chromatographic separation and by the synthesis of chemical derivatives. In 14CO2/12CO2 pulse-chase experiments these metabolites demonstrated the rapid pool saturation and depletion of 14C characteristic of early intermediates in photosynthetic carbon fixation. They were present in sufficient amounts to account for about 35% of total carbon fixed in 1 minute.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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