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Journal Article

The senitizing pigment in fly photoreceptors: Properties and candidates

MPS-Authors
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Kirschfeld,  K
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Feiler,  R
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Hardie,  R
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Vogt,  K
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://link.springer.com/content/pdf/10.1007/BF00535544.pdf
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Citation

Kirschfeld, K., Feiler, R., Hardie, R., Vogt, K., & Franceschini, N. (1983). The senitizing pigment in fly photoreceptors: Properties and candidates. Biophysics of Structure and Mechanism, 10(1-2), 81-92. doi:10.1007/BF00535544.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-F085-B
Abstract
Many lines of evidence suggest that the ultraviolet (uv) sensitivity found in the most common photoreceptor class in the fly is due to a sensitizing pigment which transmits the energy of absorbed light quanta to the visual pigment (Kirschfeld et al. 1977). It is shown that the uv extinction of the rhabdomeres has a vibrational fine structure corresponding to that found in the receptors' spectral sensitivity (Gemperlein et al. 1980). The uv extinction is greatly reduced when flies are reared on a carotenoid-deficient diet, in which case the vibrational fine structure in sensitivity is also lost. Properties (extinction, fluorescence) of several groups of substances that could represent the sensitizing pigment are illustrated.