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Uncouplers of Spinach Chloroplast Photosynthetic Phosphorylation.
Author(s) -
David W. Krogmann,
André T. Jagendorf,
Mordhay Avron
Publication year - 1959
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.34.3.272
Subject(s) - photosynthesis , spinach , chloroplast , phosphorylation , chemistry , botany , biophysics , biochemistry , biology , gene
tion at pH 5.5 resulted in preferential destruction of IC photoreduction ability. 4. Addition of zinc ion preferentially inhibited the photooxidation of ascorbic acid. 5. Treatment of chloroplasts with digitonin resulted in a drastic loss of ability to catalyze the Hill reaction and IC photoreduction, yet yielded a preparation which was over 6 times as active in terms of ascorbic acid photooxidation. 6. These results are briefly discussed in terms of reaction mechanisms for these 3 photochemical reactions.

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