Pheomelanin in the skin of Hymenochirus boettgeri (Amphibia: Anura: Pipidae) |
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| Authors: | Wolnicka-Glubisz Agnieszka Pecio Anna Podkowa Dagmara Kolodziejczyk Lukasz M Plonka Przemyslaw M |
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| Affiliation: | 1. Department of Biophysics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, , Kraków, Poland;2. Department of Comparative Anatomy, Institute of Zoology, Jagiellonian University, , Kraków, Poland;3. Department of Phycology, W. Szafer Institute of Botany, Polish Academy of Science, , Kraków, Poland |
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| Abstract: | Pheomelanin is supposed to be the first type of melanin found in vertebrates, in contrast to the main type - eumelanin. Our study aimed at detecting pheomelanin in the skin of Hymenochirus boettgerii. We employed electron paramagnetic resonance (EPR) spectroscopy, and transmission electron microscopy (TEM), supplemented with standard histology and immunochemistry. We identified pheomelanin in the dorsal skin of adult frogs (not only in the dermis, but also in the epidermis) and in the dorsal tadpole. Our work identifies Hymenochirus boettgerii as a model in the basic study on the mechanism, evolution and role of melanogenesis in animals, including human. |
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| Keywords: | amphibians melanocytes melanogenesis pigmentation UV |
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