Abstract

Publisher Summary This chapter discusses the lipids of invertebrate photoreceptors. Rhodopsin is an integral protein in the photoreceptor membrane (rod outer segment, ROS) for vertebrates and the microvillar membrane for invertebrates. Because of the strong hydrophobic nature of rhodopsin and the apparent bilayer character of the membranes, the properties of the rhodopsin should be partly dependent on the physical and chemical nature of the membrane environment and in particular on the membrane's lipid constituents. Separation procedures for individual molecular species of phospholipids are established. By adapting or modifying these methods, tlie lipid composition of microvillar membrane of octopus photoreceptor cells are discussed in this chapter.

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