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首页> 外文期刊>Crop and Pasture Science >The association between high molecular weight glutenin subunit compositions and the bread-making quality of Chinese and Japanese hexaploid wheats
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The association between high molecular weight glutenin subunit compositions and the bread-making quality of Chinese and Japanese hexaploid wheats

机译：高分子量谷蛋白亚基组成与中国和日本六倍体小麦面包制作品质的关系

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摘要

Variation in the electrophoretic banding patterns of high molecular weight (HMW) glutenin subunits of 274 hexaploid wheat (Triticum aestivum) varieties from China was examined by sodium dodecyl sulfate polyacrylamide gel electrophoresis. Twenty-seven different major glutenin HMW subunits were identified. Each variety contained 3–5 subunits and 29 different glutenin subunit patterns were segregated. Seventeen alleles were identified based on comparison of subunit mobilities with those previously found for hexaploid wheat. Chinese hexaploid wheats exhibited particular allelic variation in glutenin HMW subunit composition and this variation differed from that found in wheats from Japanese and other countries. Average Glu-1 quality scores of 274 Chinese wheat varieties in the present study have been shown to be higher than that of Japanese wheats. Considerable genetic variation in the HMW glutenin subunit compositions of the Chinese wheats was observed in the present study and previously. Alleles from Chinese hexaploid wheat varieties have not been extensively introduced into Japan and other countries. The present data may indicate possible applications of Chinese germplasm in wheat breeding programs. To improve the wheat quality, genetic variation should be attempted through the introduction of genes of Chinese varieties into varieties in Japan and other countries.
机译：通过十二烷基硫酸钠聚丙烯酰胺凝胶电泳研究了来自中国的274个六倍体小麦（Triticum aestivum）品种的高分子量（HMW）谷蛋白亚基的电泳谱带模式变化。确定了二十七个不同的主要谷蛋白HMW亚基。每个品种包含3-5个亚基，并分离了29种不同的谷蛋白亚基模式。根据亚单位迁移率与先前发现的六倍体小麦的迁移率进行比较，鉴定出十七个等位基因。中国六倍体小麦的谷蛋白HMW亚基组成表现出特别的等位基因变异，这种变异与日本和其他国家的小麦的变异不同。在本研究中，中国274个小麦品种的Glu-1平均质量得分已显示出高于日本小麦。在本研究和以前的研究中，观察到了中国小麦的HMW谷蛋白亚基组成的显着遗传变异。中国六倍体小麦品种的等位基因尚未广泛引入日本和其他国家。目前的数据可能表明中国种质在小麦育种计划中的可能应用。为了提高小麦品质，应该通过将中国品种的基因引入日本和其他国家的品种来尝试遗传变异。

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