| Budget Amount *help |
¥55,640,000 (Direct Cost: ¥42,800,000、Indirect Cost: ¥12,840,000)
Fiscal Year 2022: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2021: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2020: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2019: ¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
Fiscal Year 2018: ¥10,660,000 (Direct Cost: ¥8,200,000、Indirect Cost: ¥2,460,000)
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| Outline of Final Research Achievements |
Plants sense external forces (mechanical stimuli) and autonomously and dynamically modify their structures, which is a process termed mechanical optimization in plants. This plant mechanical optimization process is an important capability for achieving a sustainable, biomass-based society, resources, and architecture. However, the underlying mechanisms of plant mechanosensing remain unclear. In this project, we developed new imaging techniques to visualize the tension exerted on the cell walls and intracellular calcium signals generated by mechanical stimuli. We discovered the mechanisms by which Arabidopsis thaliana and Mimosa pudica sense mechanical stimuli (such as touch and wound), transmit this information throughout the plant body, and trigger rapid movements and defense responses.
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