Evolution of Visual and Non-visual Pigments

Framsida
David M. Hunt, Mark W. Hankins, Shaun P Collin, N. Justin Marshall
Springer, 4 okt. 2014 - 276 sidor

Photopigments are molecules that react to light and mediate a number of processes and behaviours in animals. Visual pigments housed within the photoreceptors of the eye, such as the rods and cones in vertebrates are the best known, however, visual pigments are increasingly being found in other tissues, including other retinal cells, the skin and the brain. Other closely related molecules from the G protein family, such as melanopsin mediate light driven processes including circadian rhythmicity and pupil constriction. This Volume examines the enormous diversity of visual pigments and traces the evolution of these G protein coupled receptors in both invertebrates and vertebrates in the context of the visual and non-visual demands dictated by a species’ ecological niche.

 

Innehåll

The Evolution and Diversity of Pineal and Parapineal Photopigments
1
The Evolution and Function of Melanopsin in Craniates
23
The Evolution of Nonvisual Photopigments in the Central Nervous System of Vertebrates
64
The Evolution of Invertebrate Photopigments and Photoreceptors
105
Insect Photopigments Photoreceptor Spectral Sensitivities and Visual Adaptations
136
The Evolution of Photoreceptors and Visual Photopigments in Vertebrates
163
Diversity and Functional Properties of Bistable Photopigments
219
Visual Photopigment Evolution in Speciation
240
Index
269
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