Analysis of QTLs for Reproductive Development and Seed Quality Traits in Soybean using Recombinant Inbred Lines
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概要
- 論文の詳細を見る
Soybean (Glycine max (L.) Merrill) is the most important leguminous crop in the world due to the high contents of protein and oil, and accumulation of various physiologically active substances. However, most of the genomic and economic traits in soybean are quantitative, controlled by multiple genes and easily affected by environmental conditions. Based on recombinant inbred lines (F_8), a genetic linkage map with 177 RFLP, 150 SSR, 28 AFLP markers and 5 phenotypic markers was constructed. The map covered a distance of 2663.6 cM of the soybean genome comprising 20 linkage groups. The average distance between two adjacent marker loci was 7.89 cM. In this population, we detected thirty-nine QTLs for all the reproductive development and seed quality traits investigated, that is, three for flowering time (F77-3), four for maturity (HAV1-4), three for reproductive period (RP1-3), three for seed hardness (RAS1-3), five for viability of seed (VIS1-5), four for germination rate of seed (GRS1-4), five for water absorbability of seed (WAS1-5) and twelve QTLs for seed weight (SWE1-6 and SWH1-6). Out of these QTLs, twenty-eight were detected in nearly the same regions of the linkage map by both IM (interval mapping) and CIM (composite interval mapping) analysis. The proportion of variance explained of these QTLs ranged from 3.4% to 67.1%. Epistatic interactions were detected among various QTLs. Especially there was a strong interaction among the effects of FT1 and FT2, and FT1and FT3. Multiple correlation coefficients between FT1 and FT2, and FT1 and FT3 accounted for 79.6% and 74.1% of the phenotypic variation of flowering time, respectively.
- 日本育種学会の論文
著者
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渡邉 聡
東大工:科技団crest
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Watanabe Satoshi
Graduate School Of Science And Technology Chiba University:japan International Research Center For A
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Watanabe Satoshi
Graduate School Of Economics Hitotsubashi University
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Yamanaka Naoki
Japan International Research Center for Agricultural Sciences
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Harada Kyuya
Graduate School of Science and Technology, Chiba University
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原田 久也
National Inst. Of Agrobiological Sciences
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Harada K
Graduate School Of Science And Technology Chiba University
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Yamanaka Naoki
明和病院 病理検査部
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Yamanaka Naoki
Graduate School of Science and Technology, Chiba University
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Harada Kyuya
Graduate School Of Science And Technology Chiba University
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Tajuddin Teuku
Center For The Assessment And Application Of Biotechnology : Graduate School Of Science And Technolo
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Tajuddin Teuku
Graduate School of Science and Technology, Chiba University,
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Hayashi Masaki
Graduate School of Science and Technology, Chiba University,
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渡邉 聡
Takasaki Advanced Radiation Research Institute Japan Atomic Energy Agency
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Yamanaka Naoki
Graduate School Of Science And Technology Chiba University
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Hayashi Masaki
Graduate School Of Science And Technology Chiba University
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Tajuddin Teuku
Graduate School of Science and Technology, Chiba University
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