| Budget Amount *help |
¥24,050,000 (Direct Cost: ¥18,500,000、Indirect Cost: ¥5,550,000)
Fiscal Year 2018: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2017: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2016: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Fiscal Year 2015: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
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| Outline of Final Research Achievements |
Auxins, a class of plant hormones, are essential for plant growth and development. The natural auxin indole-3-acetic acid (IAA) is biosynthesized from tryptophan via indole-3-pyruvic acid by TAA aminotransferase and YUCCA flavin-containing monooxygenase families. Although much progresses in the transcriptional regulation of IAA biosynthetic genes has been made in recent years, its post-translational regulation has remained unclear. In this study, we identified and analyzed a YUCCA-interacting protein to elucidate the regulation mechanism of IAA biosynthesis in Arabidopsis. Our results suggest that the regulation of YUCCAs at the level of protein has a role in the homeostatic regulation of IAA.
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