Novel High Molecular Weight Glutenin Subunits at the Glu-D1 Locus in Wheat Landraces from the Xinjiang District of China and Relationship with Winter Habit
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概要
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Allelic variation of high molecular weight glutenin subunits (HMW-GS) encoded by Glu-A1, Glu-B1 and Glu-D1 in wheat landraces originating from the Xinjiang Uygur Autonomous District (Xinjiang District) of China was investigated by SDS-PAGE and the relationship between the variation and the winter habit was examined. The most frequent allele at the Glu-A1 locus was Glu-A1c (null allele : 75.5%), followed by Glu-A1b encoding subunit 2^* (22.3%). These two alleles were distinctive at Glu-A1 in the landraces of both spring and winter cultivars. No difference in allele frequency was found between the spring and the winter wheat cultivars. At the Glu-B1 locus, the most frequent allele was Glu-B1b (90.8%) encoding subunits 7+8, the allele frequency of which was almost the same between the spring and the winter wheat cultivars. Glu-D1a (72.0%) encoding subunits 2+12 was a major allele at the Glu-D1 locus among the landraces. Although no cultivar with Glu-d1f encoding subunits 2.2+12 was found, the novel subunit pair 2.6+12 (24.5%) was observed only in the winter wheat cultivars. Subunit 2.6 was slightly less mobile than subunit 2.2. The major Glu-D1 allele was Glu-D1a (94.5%) among the spring wheat cultivars and this allele characterized the spring wheat cultivars in the Xinjiang District. Both the subunit pair 2.6+12 encoded by the Glu-D1bp(t) allele (58.5%) and the subunit pair 2+12 encoded by the Glu-D1a allele (40.7%) predominated among the winter wheat cultivars. The large difference in allelic variation at the Glu-D1 locus suggested that the origin of the spring wheat cultivars was different from that of the winter wheat cultivars. The absence of landrace with Glu-D1f suggested that Xinjiang wheat was not related to Japanese wheat.
- 日本育種学会の論文
著者
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IKEDA Tatsuya
National Agricultural Research Center for Western Region
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Ikeda Tatsuya
National Agriculture Res. Center For Western Region
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Nagamine Tsukasa
National Agricultural Research Center For Wesern Region
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Nagamine Tsukasa
National Institute Of Agrobiological Sciences:national Institute Of Crop Science
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Takata Kanenori
National Agricultural Research Center for Western Region
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Yanaka Mikiko
National Agricultural Research Center for Western Region
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Ikeda Tatsuya
National Agricultural Res. Center For Western Region National Agriculture And Food Organization
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Fujimaki Hiroshi
Tokyo University of Agriculture
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Hua Cong
Institute of Crop Variety Resources, Xinjiang Academy of Agriculture
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Zong Yang
Institute of Crop Variety Resources, Xinjiang Academy of Agriculture
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Fujimaki Hiroshi
Graduate School of Agricultural Sciences, Tokyo University of Agriculture
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Hua Cong
National Agricultural Research Center For Wesern Region : Institute Of Crop Germplasm Resources Xinj
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Zong Yang
Institute Of Crop Variety Resources Xinjiang Academy Of Agriculture
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Takata Kanenori
National Agriculture Research Center For Western Region
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Yanaka Mikiko
National Agriculture Research Center For Western Region
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Yang-Fen Zong
Institute of Crop Variety Resources, Xinjiang Academy of Agriculture
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