| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2021: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2020: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2019: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2018: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
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| Outline of Final Research Achievements |
The goal of the project was to reveal how chromosome and nucleolus dynamics differ between male and female germ cells and the mechanism behind the sexual dimorphism. To achieve the goal, live imaging of medaka germ cells was established in collaboration with Dr. Huynh in the College de France, who has pioneered live imaging technique using Drosophila germ cells. By culturing testes in a microfluidic device during live imaging with a spinning disc confocal laser microscopy, we successfully monitored medaka germ cells for more than 24 hours at a high resolution. We also generated transgenic medaka in which synaptonemal complex, a protein structure forms between homologous chromosomes during meiotic prophase, was able to be visualized by EGFP, which allows monitoring the dynamics of chromosome by live imaging.
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