| Budget Amount *help |
¥115,960,000 (Direct Cost: ¥89,200,000、Indirect Cost: ¥26,760,000)
Fiscal Year 2020: ¥21,450,000 (Direct Cost: ¥16,500,000、Indirect Cost: ¥4,950,000)
Fiscal Year 2019: ¥21,840,000 (Direct Cost: ¥16,800,000、Indirect Cost: ¥5,040,000)
Fiscal Year 2018: ¥22,360,000 (Direct Cost: ¥17,200,000、Indirect Cost: ¥5,160,000)
Fiscal Year 2017: ¥22,750,000 (Direct Cost: ¥17,500,000、Indirect Cost: ¥5,250,000)
Fiscal Year 2016: ¥27,560,000 (Direct Cost: ¥21,200,000、Indirect Cost: ¥6,360,000)
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| Outline of Final Research Achievements |
The mechanism of species hybridization barrier is arranged in the plant endosperm to avoid heterologous fertilization with different species, which is controlled by not only nucleotide sequence but also epigenetic mechanisms. In this study, in order to elucidate the principle of the birth of new plant species, we clarified the role of FACT histone chaperones, which are essential for DNA demethylation to epigenetically induce reproductive barriers in the endosperm. We also identified basics that species barrier can be overcome by increased ploidy levels in one parent.
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