| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
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: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
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 |
We here attempted to identify genetic factors and evolutionary mechanisms to drive fruit shape diversity, which is specific to persimmon cultivars, from a genome-wide viewpoint. The draft whole-genome in a wild relative close to cultivated persimmon (Diospyros lotus) was assembled. With this reference genome, we identified gene co-expression networks associated with the fruit shape diversity, quantified with principal components of elliptic Fourier descriptors. Some cytokinin-related transcription factors, including KNAT1, exhibited persimmon-specific expression fluctuation in fruit, which was not observed in other fruit crops. This persimmon specific expression behaviors may be a key to express dynamic fruit shape diversities amongst the cultivars.
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