| Budget Amount *help |
¥20,800,000 (Direct Cost: ¥16,000,000、Indirect Cost: ¥4,800,000)
Fiscal Year 2009: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2008: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2007: ¥12,870,000 (Direct Cost: ¥9,900,000、Indirect Cost: ¥2,970,000)
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| Research Abstract |
Soybean seeds contain low levels of α-tocopherol (Toc). Since α-Toc acts as vitamin E efficiently, increasing α-Toc content will improve nutritional value of soybean. Lutein shown to reduce risks for ocular diseases is found in low in the seeds. We have identified varieties with high α-Toc and wild soybean strains with high levels of lutein content. Genetic analysis of the high α-Toc and lutein traits, respectively, revealed that the high α-Toc and lutein contents are highly heritable. Two SSR markers, Sat_243 and Sat_167 were shown to be associated with high α-Toc content. We obtained some lines with high levels of lutein and α-Toc contents in the progenies. Accumulation of high contents of α-Toc and lutein was possible.
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