Abstract
RECENTLY, Arnon, Allen and Whatley1,2 described photosynthetic phosphorylation by isolated whole chloroplasts; but chloroplast fragments were only feebly active in their experiments. On the other hand, I have prepared a chloroplast fragment fraction which caused oxidation of Krebs's cycle acids associated with phosphorylation3; but this preparation was inactive in photosynthetic phosphorylation. In modifying the preparative procedure, I have now obtained a chloroplast fragment fraction which caused disappearance of inorganic phosphate either in the presence of citrate or in the light.
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References
Arnon, D. I., Allen, M. B., and Whatley, F. R., Nature, 174, 394 (1954).
Arnon, D. I., Whatley, F. R., and Allen, M. B., J. Amer. Chem. Soc., 76, 6324 (1954).
Ohmura, T., Arch. Biochem. Biophys. (in the press).
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OHMURA, T. Oxidative and Photosynthetic Phosphorylation by Chloroplast Fragments. Nature 176, 467–468 (1955). https://doi.org/10.1038/176467a0
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DOI: https://doi.org/10.1038/176467a0
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