Document Detail

Direct effects of visible and UVA light on pigment migration in erythrophores of Nile tilapia.
MedLine Citation:
PMID:  15357839     Owner:  NLM     Status:  MEDLINE    
Erythrophores derived from Nile tilapia (Oreochromis niloticus) are sensitive to visible light of defined wavelengths in primary culture in the same manner as erythrophores in the skin. Cultured erythrophores aggregate their pigment in response to light with peak wavelengths near 400 or 600 nm, while dispersion is caused by light near 500 nm. In this study, we report that ultraviolet A (UVA) with a peak wavelength near 365 nm also induces pigment aggregation in erythrophores in the skin and in primary culture. The responses of erythrophores in the skin or in culture depend on the light intensity, although the photo-sensitivity differs among individual cells. From the results, we conclude that the action of visible light and UVA light on tilapia erythrophores is direct, and that multiple types of visual pigments may coexist in individual erythrophores.
Masako Sato; Ryo Ishikura; Noriko Oshima
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pigment cell research / sponsored by the European Society for Pigment Cell Research and the International Pigment Cell Society     Volume:  17     ISSN:  0893-5785     ISO Abbreviation:  Pigment Cell Res.     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-09-10     Completed Date:  2005-03-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8800247     Medline TA:  Pigment Cell Res     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  519-24     Citation Subset:  IM    
Department of Biomolecular Science, Faculty of Science, Toho University, Miyama, Funabashi, Chiba, Japan.
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MeSH Terms
Biological Transport / radiation effects
Cells, Cultured
Pigmentation / radiation effects*
Pigments, Biological / metabolism*
Skin / cytology,  metabolism*
Tilapia / physiology*
Ultraviolet Rays*
Reg. No./Substance:
0/Pigments, Biological

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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