Crossref journal-article
Wiley
European Journal of Biochemistry (311)
Abstract

The effect of plastocyanin on the light‐induced steady‐state changes of cytochrome ƒ in chloroplast particles that were depleted of plastocyanin has been studied. It was observed that the extent of cytochrome ƒ photooxidation in sonic particles in the steady‐state during a short exposure to long‐wave red light was approximately 30% of that in chloroplasts. The addition of a catalytic amount of plastocyanin to the sonic particles stimulated cytochrome ƒ photooxidation to 80% of its steady‐state value in untreated chloroplasts. The reduction of cytochrome ƒ by short‐wave red light was not inhibited by sonic treatment of chloroplasts.The rate of cytochrome ƒ photooxidation in the presence of a catalytic amount of detergent‐treated chloroplasts was proportional to the amount of plastocyanin added.The enhancement of cytochrome ƒ photooxidation either in sonic particles or in digitonin‐treated particles after an addition of plastocyanin was decreased in the presence of the copper‐chelating agent sodium diethyldithiocarbamate. Plastocyanin preincubated with sodium diethyldithiocarbamate showed less ability to stimulate cytochrome c photooxidation by detergent‐treated chloroplasts.

Bibliography

PlesniČAR, M., & Bendall, D. S. (1973). Some Evidence on the Site of Action of Plastocyanin in the Photosynthetic Electron‐Transport Chain between Cytochromes ƒ and P700. European Journal of Biochemistry, 34(3), 483–488. Portico.

Authors 2
  1. Marijana PlesniČAR (first)
  2. Derek S. Bendall (additional)
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Dates
Type When
Created 20 years, 5 months ago (March 4, 2005, 6:28 a.m.)
Deposited 1 year, 10 months ago (Oct. 1, 2023, 11:34 a.m.)
Indexed 1 year, 9 months ago (Nov. 10, 2023, 7:38 p.m.)
Issued 52 years, 3 months ago (May 1, 1973)
Published 52 years, 3 months ago (May 1, 1973)
Published Online 20 years, 5 months ago (March 3, 2005)
Published Print 52 years, 3 months ago (May 1, 1973)
Funders 0

None

@article{Plesni_AR_1973, title={Some Evidence on the Site of Action of Plastocyanin in the Photosynthetic Electron‐Transport Chain between Cytochromes ƒ and P700}, volume={34}, ISSN={1432-1033}, url={http://dx.doi.org/10.1111/j.1432-1033.1973.tb02784.x}, DOI={10.1111/j.1432-1033.1973.tb02784.x}, number={3}, journal={European Journal of Biochemistry}, publisher={Wiley}, author={PlesniČAR, Marijana and Bendall, Derek S.}, year={1973}, month=may, pages={483–488} }