| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
The alternating red and blue light accelerated plant growth significantly even when the total light intensity per day was the same as with simultaneous irradiation. Although the mechanism of physiological response and signal transduction pathways underlying the response to the alternating irradiations are the issues for the next study, we offer a novel plant growth method, named "Shigyo Method", whose core concept is alternating irradiation of red and blue light. In this study, lighting methods by using red and blue LEDs were examined to obtain the optimum irradiation condition for Arabidopsis thaliana. Furthermore, exhaustive gene expression analyses by DNA microarray, together with a time series study during a single-day in both the irradiation conditions were carried out to understand the behavior of red and blue light receptors as well as to know their signaling alterations, under the alternating condition.
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