Article

Interaction of Amaranthin with the Electron Transport Chain of Chloroplasts

Moscow State University; Russian Academy of Agricultural Sciences
Russian Journal of Plant Physiology (impact factor: 0.71). 08/2002; 49(5):585-591. DOI:10.1023/A:1020220430690

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.

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Keywords

amaranthin
 
Amaranthus tricolor L
 
class B chloroplasts
 
electron paramagnetic resonance method
 
electron transport
 
electron transport chain
 
interact
 
interactions
 
light-dependent formation
 
light-driven electron
 
proton transport
 
PS I
 
PS II level
 
significant inhibitory effect
 
transmembrane pH gradient
 
Vicia faba L