DOI: 10.1515/znb-1963-0902. Chloride Requirement for Oxygen Evolution in Photosynthesis

Chloride Requirement for Oxygen Evolution in Photosynthesis

10.1515/znb-1963-0902

Crossref journal-article

Walter de Gruyter GmbH

Zeitschrift für Naturforschung B (374)

Abstract

The role of chloride in photosynthetic oxygen evolution was reinvestigated by determining the effect of this ion on photochemical reactions of chloroplasts in which oxygen either is or is not produced. The chloroplasts used were isolated from normal spinach leaves. The level of chloride in the reaction mixture was controlled by washing the isolated chloroplasts and by avoiding a chloride contamination from the water and chemicals used. Chloride was found to be essential for each of the photochemical reactions of chloroplasts in which oxygen is produced. These included (a) photoreduction of TPN, (b) photophosphorylation of the noncyclic type in which TPN or ferricyanide reduction is coupled with ATP formation and (c) photophosphorylation of the aerobic, “pseudocyclic” type in which oxygen production occurs but is masked by an equal oxygen consumption. No chloride requirement was found for the anaerobic, cyclic photophosphorylation in which oxygen is not produced. These results support the view that chloride is an essential cofactor for oxygen evolution in photosynthesis.

Bibliography

BovÃ©, J. M., BovÃ©, C., Whatley, F. R., & Arnon, D. I. (1963). Chloride Requirement for Oxygen Evolution in Photosynthesis. Zeitschrift FÃ¼r Naturforschung B, 18(9), 683â688.

Authors 4

J. M. Bové (first)
Colette Bové (additional)
F. R. Whatley (additional)
Daniel I. Arnon (additional)

References 0 Referenced 71

None

Dates

Type	When
Created	10 years, 6 months ago (Feb. 26, 2015, 12:10 p.m.)
Deposited	2 years, 7 months ago (Jan. 10, 2023, 1:36 a.m.)
Indexed	17 hours, 26 minutes ago (Sept. 4, 2025, 10:24 a.m.)
Issued	62 years ago (Sept. 1, 1963)
Published	62 years ago (Sept. 1, 1963)
Published Online	11 years, 3 months ago (June 2, 2014)
Published Print	62 years ago (Sept. 1, 1963)

Funders 0

None

BibTeX

@article{Bov__1963, title={Chloride Requirement for Oxygen Evolution in Photosynthesis}, volume={18}, ISSN={0932-0776}, url={http://dx.doi.org/10.1515/znb-1963-0902}, DOI={10.1515/znb-1963-0902}, number={9}, journal={Zeitschrift für Naturforschung B}, publisher={Walter de Gruyter GmbH}, author={Bové, J. M. and Bové, Colette and Whatley, F. R. and Arnon, Daniel I.}, year={1963}, month=sep, pages={683–688} }

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