Identification and localization of a possible rhodopsin in the echinoderms Asterias forbesi (Asteroidea) and Ochioderma brevispinum (Ophiuroidea). From: The Biological Bulletin | Date: August 1, 1997| Author: Johnsen, Sonke | COPYRIGHT 1997 Marine Biological Laboratory. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Protein extracts of optic cushion tissue from the asteroid Asterias forbesi and arm tissue from the ophiuroid Ophioderma brevispinum were subjected to Western blot analysis. Both tissues contain a membrane-associated protein that reacts with two monoclonal antibodies raised against bovine rhodopsin. This protein migrates slightly behind bovine rhodopsin during sodium-dodecyl-sulfate polyacrylamide gel electrophoresis, suggesting that its molecular weight is slightly larger. Immunohistochemica...

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