In Vitro Melanization and Seasonal Changes of the Fin in the Orange-red Variety of the Medaka, Oryzias latipes

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概要

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• The anal fin of the orange-red variety of the medaka, Oryzias latipes was incubated in L-15 medium and in the incubation mixture for the tyrosinase reaction (MTR). The melanization of the amelanotic melanophores of the fin was observed both in MTR and L-15 medium. The degree of melanization reaction changed seasonally. From May to September, the amelanotic melanophores of the fin showed melanization although iodoacetamide (IAA) was absent, while from November to march, melanization was observed in neither L-15 medium nor MTR. A change in tyrosinase activity may cause the seasonal changes in the melanization resction.

• 社団法人日本動物学会の論文
• 1983-03-25

著者

• Iwata Akiko

  Department of Internal medicine II, Tokyo Medical University

• Iwata Akiko

  Department Of Biology Faculty Of Science Shinshu University

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