| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Outline of Final Research Achievements |
We identified a novel gene (orf5208) in a soybean symbiont Bradyrhizobium elkanii which affected root nodule symbiosis with soybean. The orf5208 encoded a putative secreted protein and was shown to inhibit nodule formation on Rj4 soybean while it promoted nodule formation on non-Rj4 soybean. Furthermore, orf5208 was shown to be essential for the nodule formation on soybean mutant that had a defect in early symbiosis signaling. Taken together, orf5208 promotes nodule formation via the novel pathway that bypasses the early symbiosis signaling.
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