| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
Among vertebrates, the size of the eyeball displays a wide range of variation with respect to the body proportion within species. Because subtle changes in eyeball size can affect the focus and visual acuity, our work will focus on eye size controlling factors using goldfish.
Goldfish (Carassius auratus) belongs to the family Cyprinidae. Demekin (also called “black moor” or “telescopic-eye” goldfish) is a mutant strain of the common goldfish. A morphological feature of Demekin goldfish is an enlargement of eyeballs. However, little is known about the molecular mechanisms controlling their specific eye morphology. To gain a deeper understanding on the factors controlling eye size, we are aiming to identify and analyze a responsible gene for the Demekin strain. Further identification of the genetic framework will establish goldfish as a new tool of research for elucidating the molecular basis underlying the developmental and morphological features of vertebrates.
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