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Electron Transport at the Plasma Membrane and ATP-Driven H+ Extrusion in Elodea densa Leaves

  • E. Marrè
  • M. T. Marrè
  • F. G. Albergoni
  • V. Trockner
  • A. Moroni
Part of the NATO ASI Series book series (NSSA, volume 7)

Abstract

In a number of plant materials the reduction of extracellular ferricyanide is associated with a marked acidification of the extracellular medium first demonstrated by Craig and Crane, 1982. A preliminary description of the phenomenon as well as an approach to the problem of its physiological significance implicate the recognition of: 1) the biochemical nature of the plasmalemma-located system mediating the flow of electrons from the cytoplasm to the extracellular acceptor; 2) the nature of the initial intracellular reducing agent; 3) the nature of the eventual natural electron or hydrogen acceptor (02?) in the absence of artificial extracellular oxidants; 4) the origin of the protons which appear in the external medium when ferricyanide (or other electron acceptor) is reduced.

Keywords

Redox System Isobutyric Acid Ferricyanide Reduction Redox Chain Plasma Membrane Redox System 
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 1988

Authors and Affiliations

  • E. Marrè
    • 1
  • M. T. Marrè
    • 1
  • F. G. Albergoni
    • 1
  • V. Trockner
    • 1
  • A. Moroni
    • 1
  1. 1.Department of BiologyUniversity of MilanoMilanoItaly

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