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  Activation of visual pigment: Chormophore structure and function

Kirschfeld, K. (1986). Activation of visual pigment: Chormophore structure and function. In The Molecular Mechanism of Photoreception (pp. 31-49). Berlin, Germany: Springer.

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 Urheber:
Kirschfeld, K1, Autor           
Stieve M.L. Applebury, H., Herausgeber
Affiliations:
1Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497800              

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 Zusammenfassung: Besides the “classical” chromophores retinal (visual pigment: rhodopsin) and 3-dehydroretinal (visual pigment: porphyropsin), recently a new chromophore has been found in several insect groups: 3-hydroxyretinal (visual pigment: xanthopsin). Evolutionary aspects are considered — the first interaction of light with the photoreceptor must not necessarily take place at the Schiff base-linked chromophore. In many photoreceptors, e.g., of many fly species, light can be absorbed by a sensitizing pigment which then transfers energy (Förster mechanism) to the Schiff base-linked chromophore. This chromophore is then isomerized and leads to excitation of the receptor. The sensitizing pigment in higher flies is identified as 3-hydroxyretinol, and in one more primitive fly species (Simuliid) most likely as retinol. Functional consequences of sensitization are illustrated.

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 Datum: 1986
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: ISBN: 3-540-15363-2
URI: http://link.springer.com/chapter/10.1007/978-3-642-70444-4_3
DOI: 10.1007/978-3-642-70444-4_3
BibTex Citekey: 3761
 Art des Abschluß: -

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Titel: Dahlem Workshop on the Molecular Mechanism of Photoreception 1984
Veranstaltungsort: Berlin, Germany
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Titel: The Molecular Mechanism of Photoreception
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Berlin, Germany : Springer
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 31 - 49 Identifikator: -