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Histological Study of Oculocutaneous Albinism in the Korean Bitterling, Acheilognathus signifer (Osteichthyes; Cyprinidae)  

Oh, Min-Ki (Faculty of Biological Science, and Institute for Biodiversity Research, College of Natural Sciences Chonbuk National University)
Park, Jong-Young (Faculty of Biological Science, and Institute for Biodiversity Research, College of Natural Sciences Chonbuk National University)
You, Min-Jeong (Faculty of Biological Science, and Institute for Biodiversity Research, College of Natural Sciences Chonbuk National University)
Kang, Eon-Jong (Inland Aquaculture Research Institute, NFRDI)
Yang, Sang-Geun (Inland Aquaculture Research Institute, NFRDI)
Kim, Eung-Oh (Inland Aquaculture Research Institute, NFRDI)
Jo, Yong-Cheol (Inland Aquaculture Research Institute, NFRDI)
Park, In-Seok (Division of Marine Environment and Bioscience, College of Ocean Science and Technology, Maritime University)
Kim, Chi-Hong (Inland Fisheries Ecological Research Institute, NFRDI)
Ishinabe, Toshihiro (Nature museum and Institute)
Publication Information
Korean Journal of Ichthyology / v.20, no.3, 2008 , pp. 167-172 More about this Journal
Abstract
The Korean bitterling, Acheilognathus signifer (Osteichthyes Cyprinidae), is an endemic and endangered species in Korea. During developmental stages, a small number of oculocutaneous albinism (with colorless body and eyeballs) were observed in the species. In order to investigate histological differences between normal and albinic bitterling, the dorsal skin and choroid-retina of the eyes were taken. The skin and eyes of normal and albino bitterling were similar in structure except for the presence or density of pigment cells. In normal bitterling, the epidermal melanocytes and dermal melanophores were abundantly developed in both the skin and epidermis of the eyes. But in the albino, the dorsal skin had few melanins, and the pigment cells over the choroid-retina pigment epithelium and iris of the eye were very small.
Keywords
Korean bitterling; oculocutaneous albinism; melanocyte; melanophore; choroid-retina pigment epithelium;
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