Photoreversible Conductance Changes Induced by Phytochrome in Model Lipid Membranes

The plant protein phytochrome induces photoreversible conductance changes when added to a black lipid membrane made from oxidized cholesterol. The conductance of the phytochrome-modified membrane is increased by red-light illumination but is decreased by illumination with far-red light. Denatured ph...

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Bibliographic Details
Published in:Proceedings of the National Academy of Sciences - PNAS 1973-03, Vol.70 (3), p.762-764
Main Authors: Roux, Stanley J., Yguerabide, Juan
Format: Article
Language:English
Subjects:
Biological Sciences: Botany
Cell membranes
Cholesterol
Cholesterols
Electric Conductivity
Irradiation
Lipids
Membranes, Artificial
Molecules
Optical filters
P branes
Permeability
Photochemistry
Plant Proteins - pharmacology
Plants
Roux
Space life sciences
String theory
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Summary:The plant protein phytochrome induces photoreversible conductance changes when added to a black lipid membrane made from oxidized cholesterol. The conductance of the phytochrome-modified membrane is increased by red-light illumination but is decreased by illumination with far-red light. Denatured phytochrome does not affect the conductance of the model membrane.
ISSN:0027-8424
1091-6490
DOI:10.1073/pnas.70.3.762