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Physiological Control of Primary Photochemical Energy Conversion in Higher Plants

  • Engelbert Weis
  • Dorothea Lechtenberg
  • Anja Krieger

Abstract

During light-saturated photosynthesis electron transport to PSI is controlled by the ΔpH (‘photosynthetic control’). Accumulation of oxidized PSI centers (P 700 + ) which act as efficient quenchers for singlet excited states is a consequence of this control. Photosynthetic control is accompanied by ‘down-regulation’ of PSII (high energy quenching). The relationship between ΔpH-dependent and redox-dependent control of light-reactions and its significance for metabolic regulation of photosynthesis will be discussed.

Keywords

Singlet Excited State Pigment System Steady State Photosynthesis Photosynthetic Control Primary Energy Conversion 
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

  • Engelbert Weis
    • 1
  • Dorothea Lechtenberg
    • 1
  • Anja Krieger
    • 1
  1. 1.Botanisches InstitutUniv. DüsseldorfDüsseldorfGermany

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