PMID: 8953383Dec 1, 1996Paper

Electrogenicity at the donor/acceptor sides of cyanobacterial photosystem I

Journal of Bioenergetics and Biomembranes
Mahir D Mamedov Semenov Ayu

Abstract

To study electrogenesis the photosystem I particles from Synechococcus elongatus were incorporated into asolectin liposomes, and fast kinetics of laser flash-induced electric potential difference generation has been measured by a direct electrometric method in proteoliposomes absorbed on a phospholipid-impregnated collodion film. The photoelectric response has been found to involve three electrogenic stages associated with (i) iron-sulfur center Fx reduction by the primary electron donor P700, (ii) electron transfer between iron-sulfur centers Fx and FA/FB, and (iii) reduction of photo-oxidized P700+ by reduced cytochrome C553. The relative magnitudes of phases (ii) and (iii) comprised about 20% of phase (i).

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Citations

May 17, 2008·Photosynthesis Research·Vasily V PtushenkoAlexey Yu Semenov
Nov 20, 2012·Biochemistry. Biokhimii︠a︡·M D MamedovA Yu Semenov
Mar 2, 2011·Journal of Photochemistry and Photobiology. B, Biology·Alexey Yu SemenovMahir D Mamedov
Mar 3, 2007·Biochimica Et Biophysica Acta·Sergey K ChamorovskyAlexey Yu Semenov
Nov 1, 2001·Biochimica Et Biophysica Acta·P Sétif
Aug 17, 2016·Biochimica Et Biophysica Acta·Sergey A SiletskyLada E Petrovskaya
Apr 6, 2005·Biochemistry. Biokhimii︠a︡·C S ChamorovskyA Yu Semenov
Nov 16, 2020·Journal of Bioenergetics and Biomembranes·Andrey A ZaspaMahir D Mamedov

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