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  Sensitizing pigments and their significance for vision

Kirschfeld, K. (1985). Sensitizing pigments and their significance for vision. In Neurobiology: Current Comparative Approaches (pp. 375-386). Berlin, Germany: Springer.

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Kirschfeld, K1, Author           
Gilles J. Balthazart, R., Editor
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1Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497800              

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 Abstract: The primary process induced by absorption of a quantum of light in a visual pigment molecule is the isomerization of the chromophore retinaldehyde from the all-cis to the all-trans form (Wald 1968). I will show here that besides this direct interaction between light and visual pigment another process can take place: the light quantum can be absorbed by an accessory pigment which then transfers energy to the normal, Schiffbase linked chromophore of the visual pigment, which then will be isomerized. The photostable, accessory pigment therefore is acting as a sensitizing pigment. We have investigated the process of sensitization in some detail in the most common type of receptor of the fly (type Rl-6); we show, however, that sensitization of visual pigments is realized in other types of receptors of the fly and in many other insect species as well.

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 Dates: 1985
 Publication Status: Issued
 Pages: -
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 Identifiers: ISBN: 978-3-642-87601-1
URI: http://link.springer.com/content/pdf/10.1007/978-3-642-87599-1_24
DOI: 10.1007/978-3-642-87599-1_24
BibTex Citekey: 3757
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Title: 1st International Congress of Comparative Physiology and Biochemistry 1984
Place of Event: Liège, Belgium
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Title: Neurobiology: Current Comparative Approaches
Source Genre: Proceedings
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Publ. Info: Berlin, Germany : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 375 - 386 Identifier: -