Biochemistry and Physiology of Visual Pigments: Symposium Held at Institut fur Tierphysiologie, Ruhr-Universitat Bochum/W. Germany, August 27–30, 1972

Front Matter....Pages I-XIII
Visual Pigments and Photoreceptor Physiology....Pages 1-13
Front Matter....Pages 15-15
Theory of Retinal and Related Molecules....Pages 17-18
Conformations of 11-cis Retinal....Pages 19-28
The Binding Site of Retinaldehyde in Native Rhodopsin....Pages 29-38
Chromophore Migration after Illumination of Rhodopsin....Pages 39-44
Front Matter....Pages 45-45
The Kinetics of Early Intermediate Processes in the Photolysis of Visual Pigments....Pages 47-56
Photoselection and Linear Dichroism of Retinal Isomers and Visual Pigments....Pages 57-68
Studies on Intermediates of Visual Pigments by Absorption Spectra at Liquid Helium Temperature and Circular Dichroism at Low Temperatures....Pages 69-81
Interconversion of Metarhodopsins....Pages 83-88
Temperature Dependence of Slow Thermal Reactions during the Bleaching of Rhodopsin in the Frog Retina....Pages 89-99
Metarhodopsin III....Pages 101-104
The Effect of Urea upon the Photosensitivity of Bovine Rhodopsin....Pages 105-111
Front Matter....Pages 113-113
Interrelations of Visual Pigments and “Vitamins A” in Fish and Amphibia....Pages 115-121
A Catalytic Role of Dihydroriboflavin in the Geometrical Isomerization of all-trans Retinal....Pages 123-130
Active Site and Enzymological Studies on the Components of the Visual Cycle....Pages 131-138
Formation of Isorhodopsin from Photolyzed Rhodopsin in Darkness....Pages 139-145
Behavior of Rhodopsin and Metarhodopsin in Isolated Rhabdoms of Crabs and Lobster....Pages 147-153
Photoregeneration and Sensitivity Control of Photoreceptors of Invertebrates....Pages 155-166
The Photopigments in an Insect Retina....Pages 167-174
Rhodopsin Processes and the Function of the Pupil Mechanism in Flies....Pages 175-180
Front Matter....Pages 113-113
Biochemical Properties of Retinochrome....Pages 181-191
Front Matter....Pages 193-193
Energy in Vertebrate Photoreceptor Function....Pages 195-203
Rod Dark-Adaptation and Visual Pigment Photoproducts....Pages 205-209
Long-Lived Photoproducts in the Retinae of the Frog and the Crucian Carp....Pages 211-217
Adaptation Properties of Intracellularly Recorded Gekko Photoreceptor Potentials....Pages 219-224
Receptor Adaptation and Receptor Interactions: Some Results of Intracellular Recordings (Preliminary Note)....Pages 225-228
Excitation and Adaptation in the Cephalopod Retina: An Equivalent Circuit Model....Pages 229-233
Front Matter....Pages 235-235
Experiments on the Ionic Mechanism of the Receptor Potential of Limulus and Crayfish Photoreceptor....Pages 237-244
Control of the Dark Current in Vertebrate Rods and Cones....Pages 245-255
Spatial Origin of the Fast Photovoltage in Retinal Rods....Pages 257-261
Photovoltages and Dark Voltage Gradients Across Receptor Layer of Dark-Adapted Rat Retina....Pages 263-265
 In vitro Physiology of Frog Photoreceptor Membranes....Pages 267-273
The Internal Transmitter Model for Visual Excitation: Some Quantitative Implications....Pages 275-282
Front Matter....Pages 283-283
Chemo-Surgical Studies on Outer Segments....Pages 285-294
Ultrastructure of the Photoreceptors of the Bovine Retina....Pages 295-298
Microspectrophotometry of Visual Receptors....Pages 299-305
Dichroism in Rods during Bleaching....Pages 307-312
Octopus Rhodopsin in situ: Microphotometric Measurements of Orientational and Spectral Changes....Pages 313-317
Studies on the Assembly of Rod Outer Segment Disc Membranes....Pages 319-326
Enzyme and Phospholipid Patterns in the Compound Eye of Insects....Pages 327-334
Front Matter....Pages 283-283
Cyclic AMP and Photoreceptor Function....Pages 335-340
The Effects of Cyclic Nucleotide Phosphodiesterase Inhibitors on the Frog Rod Receptor Potential....Pages 341-350
General Discussion....Pages 351-363
Back Matter....Pages 365-368