Istituto di Biofisica     
Gualtieri P., Robinson K. R. A Rhodopsin-like Protein in the Plasma Membrane of Silvetia compressa Eggs. In: Photochemistry and Photobiology, vol. 75 (1) pp. 76 - 78. Wiley, 2002.
Unidirectional blue light directs the rhizoid-thallus axis in the apolar zygote of the brown alga, Silvetia compressa. This effect is mediated by an increase in the intracellular concentration of guanosine 3', 5'-cyclic monophosphate. In this study we show the identification of a rhodopsin-like protein, by means of antibody reaction, in the plasma membrane of Silvetia eggs. This new result suggests a role for opsins in Silvetia photopolarity.
URL: http://www3.interscience.wiley.com/journal/119926123/abstract
Subject Brown algae
Algae photoreception
Rhodopsin-like protein antibody
Antibody labeling
Fluorescence microscopy

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