| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Paired fins are believed to have evolved by using median fins' developmental mechanisms, but it was unclear how it occurred. In this research have studied it by using the twin-tail mutant as a model system. We found that the median fin development includes the bilaterality and twin-tail phenotype appeared along the bilaterality. We also found that the paired and median fins shared the same developmental field. Therefore, we suggest that the paired fin acquisition occurred by events similar to the genetic and developmental changes that occurred in twin-tail mutants.
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