| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Outline of Final Research Achievements |
The aim of this research is to clarify the relation between light stimulus and rose petal growth and the mechanism of flower opening. Our results suggested the possibility that there were two steps for flower opening, one is circadian rhythm of 24 hours and the other is the movement by switching to light period from dark period. Our experiments using LED showed the sensitivity of the red light in rose petals was different from that of blue light, and the pathways of the red light signal and blue light signal were independently on flower opening. Western blot analysis for the protein related on petal growth suggested that cell wall loosening occurred during the dark period and opening of the gate of aquaporin resulted petal growth in the light period.
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