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Light-Induced Electron Transfer and Electrogenic Reactions in the bc Complex of Photosynthetic Purple Bacteria Rhodobacter Sphaeroides

  • V. P. Shinkarev
  • A. L. Drachev
  • L. A. Drachev
  • M. D. Mamedov
  • A. Ya. Mulkidjanian
  • A. Yu. Semenov
  • M. I. Verkhovsky
Part of the FEMS Symposium book series (FEMSS)

Abstract

In chromatophores of non-sulphur purple bacteria, the cyclic electron transport chain consist of a photosynthetic reaction center (RC) and bc complex (ubiquinol: cytochrome c2 oxidoreductase). Following light exposure, the former reduces the ubiquinone and oxidizes the cytochrome c2 as the latter subsequently oxidizes the ubiquinol and reduces the cytochrome c2. During functioning of this cycle, the electron transport is coupled to the generation of electrochemical potential difference of hydrogen ions needed to drive ATP synthesis [1–4].

Keywords

Reaction Center Photoelectric Response Electrometric Method Electrochemical Potential Difference Collodion Film 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • V. P. Shinkarev
    • 1
  • A. L. Drachev
    • 2
  • L. A. Drachev
    • 2
  • M. D. Mamedov
    • 2
  • A. Ya. Mulkidjanian
    • 1
  • A. Yu. Semenov
    • 2
  • M. I. Verkhovsky
    • 2
  1. 1.Biophysics Section, Department of Biology and A.N.BelozerskyMoscow State UniversityMoscowUSSR
  2. 2.Laboratory of Molecular Biology and Bioorganic ChemistryMoscow State UniversityMoscowUSSR

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