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'Electron Transport' in keywords Facet   Publication Year 1988  [X]
Facet   section ZfN Section C:Volume 043  [X]
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1Author    Roland Pschorn, Wolfgang Rühle, Aloysius WildRequires cookie*
 Title    The Influence of the Proton Gradient on the Activation of Ferredoxin-NADP + -oxidoreductase by Light  
 Abstract    Ferredoxin-NADP + -oxidoreductase (FNR, EC has been shown to be activated by light within a few seconds during dark-light transitions and inactivated in the dark. In previous papers this could be pointed out by the correlation of cytochrome /induction kinetics to the rate of NADP-photoreduction and the variable fluorescence. The present study deals with the role of the proton gradient during the activation process. The transition from an inactive to an active form is followed continuously in an in situ system. The steady-state rate of NADP-photoreduction is affected only by ionophores which inhibit a formation of the proton gradient, but not by inhibitors of the electric field. It correlates to the 9-aminoacridine fluorescence quench and the light scattering signals at 535 nm. The perception of the pH-gradient through the enzyme is still a matter of discussion. 
  Reference    Z. Naturforsch. 43c, 207—212 (1988); received December 28 1987 
  Published    1988 
  Keywords    Electron Transport, Ferredoxin-NADP + -oxidoreductase, Light Activation, Proton Gradient 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0207.pdf 
 Identifier    ZNC-1988-43c-0207 
 Volume    43