DOI: 10.1111/j.1432-1033.1979.tb12902.x. The Inhibition of Photosynthetic Electron Transport in Spinach Chloroplasts by Low Osmolarity

The Inhibition of Photosynthetic Electron Transport in Spinach Chloroplasts by Low Osmolarity

10.1111/j.1432-1033.1979.tb12902.x

Crossref journal-article

Wiley

European Journal of Biochemistry (311)

Abstract

The reversible inhibition, by low osmolarity, of the rate of electron transport through photosystem 1 has been investigated in spinach chloroplasts. By use of different electron donor systems to photosystem 1, inhibitors of plastocyanin, and by measurement of the extent of photooxidation of the photosystem 1 reaction center P700, the inhibition site has been localized on the electron donor side of this photosystem. From comparison of the influence of impermeant and permeant salts on the electron transport rate, and from the effect of ionic strength on the oxidation of externally added plastocyanin by subchloroplast preparations, it is concluded that low ionic strength within the thylakoids inhibits the photooxidation of endogenous plastocyanin by P700. The results are taken as evidence that plastocyanin is oxidized by P700 at the internal (lumen) side of the osmotic barrier in the thylakoid membrane.

Bibliography

LOCKAU, W. (1979). The Inhibition of Photosynthetic Electron Transport in Spinach Chloroplasts by Low Osmolarity. European Journal of Biochemistry, 94(2), 365â373. Portico.

Authors 1

Wolfgang LOCKAU (first)

References 38 Referenced 39

{'key': 'e_1_2_2_2_2', 'first-page': '89', 'volume-title': 'Topics in Photosynthesis', 'author': 'Barber J.', 'year': '1976'} / Topics in Photosynthesis by Barber J. (1976)
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{'key': 'e_1_2_2_8_2', 'first-page': '611', 'volume': '1145', 'author': 'Avron M.', 'year': '1963', 'journal-title': 'N.A.S.-N.R.C. Publ.'} / N.A.S.-N.R.C. Publ. by Avron M. (1963)
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{'key': 'e_1_2_2_11_2', 'first-page': '149', 'volume': '19', 'author': 'Avron M.', 'year': '1966', 'journal-title': 'Brookhaven Symp. Biol.'} / Brookhaven Symp. Biol. by Avron M. (1966)
{'key': 'e_1_2_2_12_2', 'first-page': '771', 'volume-title': 'Proc. 4th Int. Congr. Photosynth', 'author': 'Bendall D. S.', 'year': '1977'} / Proc. 4th Int. Congr. Photosynth by Bendall D. S. (1977)
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{'key': 'e_1_2_2_33_2', 'first-page': '777', 'volume-title': 'Proc. 4th Int. Congr. Photosynth', 'author': 'Haehnel W.', 'year': '1977'} / Proc. 4th Int. Congr. Photosynth by Haehnel W. (1977)
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Dates

Type	When
Created	20 years, 5 months ago (March 3, 2005, 2:55 p.m.)
Deposited	1 year, 9 months ago (Nov. 23, 2023, 9:35 a.m.)
Indexed	2 weeks, 4 days ago (Aug. 6, 2025, 8:35 a.m.)
Issued	46 years, 5 months ago (March 1, 1979)
Published	46 years, 5 months ago (March 1, 1979)
Published Online	17 years, 1 month ago (June 28, 2008)
Published Print	46 years, 5 months ago (March 1, 1979)

Funders 0

None

BibTeX

@article{LOCKAU_1979, title={The Inhibition of Photosynthetic Electron Transport in Spinach Chloroplasts by Low Osmolarity}, volume={94}, ISSN={1432-1033}, url={http://dx.doi.org/10.1111/j.1432-1033.1979.tb12902.x}, DOI={10.1111/j.1432-1033.1979.tb12902.x}, number={2}, journal={European Journal of Biochemistry}, publisher={Wiley}, author={LOCKAU, Wolfgang}, year={1979}, month=mar, pages={365–373} }

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