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Interaction of Amaranthin with the Electron Transport Chain of Chloroplasts |
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| Authors: | Ptushenko V V Gins M S Gins V K Tikhonov A N |
| Institution: | (1) Department of Biophysics, Faculty of Physics, Moscow State University, Moscow, 119899, Russia;(2) All-Russia Research Institute of Vegetable Breeding and Seed Production, Russian Academy of Agricultural Sciences, Odintsovo, Moscow oblast, Russia |
| Abstract: | The electron paramagnetic resonance method was used to study the interactions of amaranthin with isolated class B chloroplasts from broad bean (Vicia faba L.) and amaranth (Amaranthus tricolor L.) during the light-driven electron and proton transport. Amaranthin was shown to interact with electron transport chain of chloroplasts at the PS II level; it also affects the electron transport near PS I. At the same time, amaranthin had no significant inhibitory effect on the light-dependent formation of the transmembrane pH gradient. |
| Keywords: | Vicia faba Amaranthus tricolor amaranthin electron transport |
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