Light Driven Amino Acid Uptake in Membrane Vesicles of Streptococcus Cremoris Fused with Liposomes Containing Bacterial Reaction Centers
The incorporation of primary proton pumps in biological membranes has opened attractive possibilities for studies of proton motive force (Δp)-dependent processes in isolated membrane vesicles from bacterial1, and eukaryotic2 origin. Fused membranes obtained from liposomes containing a Ap-generating system and membrane vesicles of fermentative bacteria lacking an accessible proton pump have been shown to be excellent model systems for studies on the role of the Δp in solute transport1,3,5,6. Cytochrome c oxidase1 and bacteriorhodopsin3 have been used extensively as Δp-generating systems in these fused membranes.
KeywordsReaction Center Membrane Vesicle Proton Motive Force Cyclic Electron Flow Cyclic Electron Transport
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