| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2022: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2021: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
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| Outline of Final Research Achievements |
Water deficit is the most serious environmental stress affecting plant growth and survival. To understand the mild drought stress response that occurs in the field, we analyzed in detail the novel findings we found in soybean under field drought stress using Arabidopsis thaliana. Measurements of above-ground biomass, phosphate and phytohormone content, and transcriptome analysis were conducted in response to soil moisture levels. We demonstrate that the phosphate starvation response precedes ABA response under mild drought stress progression. We also proposed the physiological significance of phosphate starvation response in drought stress by analyzing mutant plants.
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