| Budget Amount *help |
¥46,410,000 (Direct Cost: ¥35,700,000、Indirect Cost: ¥10,710,000)
Fiscal Year 2020: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2019: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥38,740,000 (Direct Cost: ¥29,800,000、Indirect Cost: ¥8,940,000)
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| Outline of Final Research Achievements |
Sugars are important constituents of life, but have never found in extraterrestrial samples and space. In this research we found extraterrestrial ribose and related sugars from meteorites and published the paper in PNAS. With laboratory experiments, the synthetic reaction of sugars was found to be formose-type reaction and this reaction was found to be a major synthetic reaction of meteorite organic compounds that provided large carbon isotope differences between amino acids and insoluble organic matter.
We also succeeded in developing the protocol of chiral analysis of the sugars and investigated the chirality of meteorite sugars.
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