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Regulation of Formation of Photosynthetic Light-Harvesting Complexes in Rhodobacter Capsulatus

  • Béatrice Oberlé
  • Hans-Volker Tichy
  • Ulrike Hornberger
  • Gerhart Drews
Part of the FEMS Symposium book series (FEMSS)

Abstract

Facultative phototrophic bacteria such as Rhodobacter (Rb.) capsulatus can adapt to different modes of energy metabolism. Under anaerobic growth conditions light energy is captured by the antenna system of the photosynthetic apparatus and transduced into an electrochemical proton gradient across the membrane, which can be used for ATP production. In dark cultures proton motive force is generated on the expense of substrate oxidation by the respiratory chain under aerobic conditions with oxygen as electron acceptor and under anaerobic conditions with dimethyl sulfoxide, trimethylamine N-oxide, nitrate or nitrous oxide as alternative electron acceptors (Ferguson et al. 1987).

Keywords

Photosynthetic Apparatus Strain 37b4 Complete Amino Acid Sequence Rhodobacter Capsulatus Electrochemical Proton Gradient 
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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References

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Béatrice Oberlé
    • 1
  • Hans-Volker Tichy
    • 1
  • Ulrike Hornberger
    • 1
  • Gerhart Drews
    • 1
  1. 1.Institute of Biology 2Microbiology Albert-Ludwigs-UniversityFreiburgFed. Rep. Germany

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