Crossref journal-article
Wiley
FEBS Letters (311)
Abstract

The involvement of H2O2generated by photosystem II (PSII) in the process of photoinhibition of thylakoids with a functional oxygen‐evolving complex (OEC) was investigated. The rate of photoinhibition was decreased to the rate of loss of activity in the dark when bovine Fe‐catalase was present during the photoinhibitory illumination. Photoinhibition was accelerated for both Cl−‐depleted and Cl−‐sufficient thylakoids when KCN was present to inhibit the thylakoid‐bound Fe‐catalase. We propose that these preparations become photoinhibed by reactions with H2O2produced via oxidation of water by the Cl−‐depleted OEC and by reduction of O2at the QBsite when PSII is illuminated without an electron acceptor.

Bibliography

Bradley, R. L., Long, K. M., & Frasch, W. D. (1991). The involvement of photosystem II‐generated H2O2in photoinhibition. FEBS Letters, 286(1–2), 209–213. Portico.

Authors 3
  1. Ryan L. Bradley (first)
  2. Krista M. Long (additional)
  3. Wayne D. Frasch (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 25, 2002, 3:43 a.m.)
Deposited 9 months ago (Dec. 2, 2024, 10:02 p.m.)
Indexed 2 months, 3 weeks ago (June 11, 2025, 3:45 a.m.)
Issued 34 years, 1 month ago (July 29, 1991)
Published 34 years, 1 month ago (July 29, 1991)
Published Online 23 years, 7 months ago (Jan. 16, 2002)
Published Print 34 years, 1 month ago (July 29, 1991)
Funders 0

None

@article{Bradley_1991, title={The involvement of photosystem II‐generated H2O2in photoinhibition}, volume={286}, ISSN={1873-3468}, url={http://dx.doi.org/10.1016/0014-5793(91)80975-9}, DOI={10.1016/0014-5793(91)80975-9}, number={1–2}, journal={FEBS Letters}, publisher={Wiley}, author={Bradley, Ryan L. and Long, Krista M. and Frasch, Wayne D.}, year={1991}, month=jul, pages={209–213} }