Desaspidin and CO2 Fixation by Spinach Chloroplasts | Zendy

R. Garth Everson | Zendy; William Cockburn | Zendy; Peter W. Ellyard | Zendy; Martin Gibbs | Zendy

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Desaspidin and CO₂ Fixation by Spinach Chloroplasts

Author(s) -

R. Garth Everson,

William Cockburn,

Peter W. Ellyard,

Martin Gibbs

Publication year - 1966

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.41.7.1240

Subject(s) - spinach , chloroplast , fixation (population genetics) , chemistry , botany , biology , biochemistry , gene

Baltscheffsky and de Kiewiet (1) proposed that desaspidin uncoupled photosynthetic phosphorylation in spinach chloroplasts. Arnon and coworkers (2, 3) have extended this work and on the basis of their finding that 1 ttm desaspidin inhibited cyclic phosphorylation completely while not affecting noncyclic phosphorylation, claim that desaspidin is a specific uncouipler at the site of cyclic phosphorvlation. Avron (6) challenged the specificity of desaspidin in uincoupling phosphorylation and concluded that its effectiveness was decreased under oxidizing conditions. In this commtunication, we compare the effects of desaspidin upon 14CO. fixatioin by spinach chloro-

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