| Budget Amount *help |
¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2017: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2015: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
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| Outline of Final Research Achievements |
We focused on the UV response related to the quality of agricultural products, especially focusing on UV-A. In the seedling of 'Tsuda' turnip, UV-A fluorescent light with a peak wavelength of 350 nm induces anthocyanin synthesis. Anthocyanin synthesis was hardly observed at monochromatic irradiation of 315 to 345 nm range UV, but induced by co-irradiation of 315 nm and 355 nm. Comprehensive gene expression analysis identified a gene set which were induced specifically by UV-A, and the gene set included many genes involved in ROS related responses in addition to anthocyanin synthesis. The production of ROS under UV-A was not clear, but anthocyanin accumulation by blue light suggested the involvement of ROS in 'Tsuda' turnip seedlings.
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