| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Understanding of the energy transfer mechanisms among supramolecules in photosynthetic systems is important in the research area of photobiology and developments of artificial light-conversion systems. From these viewpoints, we foucused on major light-harvesting supramolecular systems called chlorosomes from green photosynthetic bacteria. In chlorosomes, excitation energy captured by bacteriochlorophyll self-aggregates inside is transferred to the pigment-binding membranous protein on the surface with a high efficiency. We successfully substituted the energy-accepting membranous protein with amphiphilic synthetic pigments in chlorosomes. We analayzed excitation energy transfer from natural bacteriochlorophyll self-aggregates inside the chlorosome to synthetic amphiphilic pigments that were localized close to the chlorosomal membrane.
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