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3-OH-Kynurenine content and ommochrome formation in the developing compound eye ofEphestia kühniella

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Summary

The eye color ofEphestia kühniella is primarily determined by the ommochromes xanthommatin and ommin. The pigmentation, an important part of eye differentiation, occurs mainly during the pupal stage. Comparative studies on eye colour mutants indicate that a first step in ommochrome synthesis is the binding of the precursor 3-OH-kynurenine to developing pigment granules. Both xanthommatin and ommin are present from the early beginning of eye differentiation, and exhibit different developmental profiles.

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  1. Lehrstuhl für experimentelle Morphologie, Zoologisches Institut der Universität zu Köln, Weyertal 119, D-5000, Köln 41, Federal Republic of Germany

    K. Cölln & E. Hedemann

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  1. K. Cölln
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  2. E. Hedemann
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Cölln, K., Hedemann, E. 3-OH-Kynurenine content and ommochrome formation in the developing compound eye ofEphestia kühniella. Experientia 40, 494–496 (1984). https://doi.org/10.1007/BF01952403

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