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Photosynthesis Research

, Volume 33, Issue 2, pp 147–162 | Cite as

Carbon dioxide assimilation in oxygenic and anoxygenic photosynthesis

  • Bob B. Buchanan
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Abstract

This article represents a summary of our contemporary understanding of carbon dioxide assimilation in photosynthesis, including both the oxygen-evolving (oxygenic) type characteristic of cyanobacteria, algae and higher plants, and the non-oxygen-evolving (anoxygenic) type characteristic of other bacteria. Mechanisms functional in the regulation of the reductive pentose phosphate cycle of oxygenic photosynthesis are emphasized, as is the reductive carboxylic acid cycle-the photosynthetic carbon pathway functional in anoxygenic green sulfur bacteria. Thioredoxins, an ubiquitous group of low molecular weight proteins with catalytically active thiols, are also described in some detail, notably their role in regulating the reductive pentose phosphate cycle of oxygenic photosynthesis and their potential use as markers to trace the evolutionary development of photosynthesis.

Key words

thioredoxin Co2 assimilation oxygenic photosynthesis anoxygenic photosynthesis 

Abbreviations

NADP-GAPDH-NADP

glyceraldehyde 3-phosphate dehydrogenase

FBPase

fructose 1,6-bisphosphatase

FTR

ferredoxin-thioredoxin reductase

Rubisco

ribulose 1,5-bisphosphate carboxylase/oxygenase

SBPase

sedoheptulos 1,7-bisphosphatase

PRK

phosphoribulokinase

NADP-MDH-NADP

malate dehydrogenase

CF1-ATPase

chloroplast coupling factor

G6PDH

glucose 6-phosphate dehydrogenase

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References

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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • Bob B. Buchanan
    • 1
  1. 1.Department of Plant BiologyUniversity of CaliforniaBerkeleyUSA

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