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. 1975 Jul;56(1):164-6.
doi: 10.1104/pp.56.1.164.

Carbon dioxide fixation in isolated kalanchoe chloroplasts

C Levi  1 , M Gibbs
Affiliations

Carbon dioxide fixation in isolated kalanchoe chloroplasts

C Levi et al. Plant Physiol. 1975 Jul.

Abstract

Chloroplasts isolated from Kalanchoe diagremontiana leaves were capable of photosynthesizing at a rate of 5.4 mumoles of CO(2) per milligram of chlorophyll per hour. The dark rate of fixation was about 1% of the light rate. A high photosynthetic rate was associated with low starch content of the leaves. Ribose 5-phosphate, fructose 1,6-diphosphate, and dithiothreitol stimulated fixation, whereas phosphoenolpyruvate and azide were inhibitors. The products of CO(2) fixation were primarily those of the photosynthetic carbon reduction cycle.

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References

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