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Analysis of Dynamic Accumulation of Three Types of glutenin subunits and Their Content in Relation to Sedimentation Value in Common Wheat

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Agricultural Sciences in China 2006年第2期5卷 155-160页

作者： HAO Jun-jie CHEN Jun-ying CHEN Xin-jian CUI Dang-qun CHENG Xi-yong College of Agronomy Henan Agricultural University Zhengzhou 450002 P.R.China Institute of Plant Protection Henan Academy of Agricultural Sciences Zhengzhou 450002 P.R. China

The biosynthetic time and accumulations of A-, B-, and C-type glutenin subunits in 7 winter wheat cultivars with different quality （strong, medium, weak gluten） were analyzed by SDS-PAGE. The results showed that no glutenin subunit was observed within 8 d after anthesis. Parts or all A-, B-, and C-type subunits appeared around day 12 in different cultivars. Other A-, B-, and C-type subunits appeared gradually. The accumulation of A-, B-, and C-type subunits fluctuated before maturity. The results of analysis of correlation between the ratios of A/T （total content of glutenin subunits）, A/C, AJ （B＋C）, （A＋B）/C, and （A＋B）/T and SDS-sedimentation value suggested that they were more significant. The negative correlation between the ratio of （B＋C）/T and SDS-sedimentation value was more significant, and the correlations between the ratio C/T and the SDS-sedimentation value were significantly negative.

关键词： wheat glutenin subunits dynamic accumulation quality

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High Molecular Weight glutenin Subunit Composition of Landraces and Cultivars of Durum Wheat （Triticum turgidum）

High Molecular Weight Glutenin Subunit Composition of Landra...

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第二届植物分子育种国际会议

作者： R.Rashidi M.R.Naghavi M.Mardi A.Hoseinzadeh Plant Breeding Dept.Agricultural College University of TehranKarajIran Plant Breeding Dept.Agricultural College University of TehranKarajIran Agricultural Biotechnology Research Institute of Iran Department of GenomicsMahdasht RoadKarajIran Plant Breeding Dept.Agricultural College University of TehranKarajIran

＜正＞In this study 96 Iranian landraces of Triticum turgidum originating from different geographical areas of Iran, along with 22 durum cultivars from f ive countries were evaluated for high molecular weight glutenin... 详细信息

关键词： Triticum turgidum var. durum glutenin subunits Landraces

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Allelic Variation of Glu-A1,Glu-B1 and Glu-D1 in Chinese Released Wheat Varieties in the Last 50 Years

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Agricultural Sciences in China 2002年第1期1卷 36-44页

作者： ZHANG Xue-yong, DONG Yu-chen, YOU Guang-xia, WANG Lan-fen, LI Pei and JIA Ji-zeng(Institute of Crop Germ plasm Resources , Chinese Academy of Agricultural Sciences, Key Lab of Crop Germplasm Biotechnology, Ministry of Agriculture, Beijing 100081 ) Institute of Crop Germplasm Resources Chinese Academy of Agricultural Sciences Key Lab of Crop Germplasm Biotechnology Ministry of Agriculture Beijing 100081

The high-molecular-weight glutenin subunit (HMW-GS) components from about 85 varieties were fractionated by SDS-PAGE, including 22 corner stone breeding parents, 45 varieties taking important role in Chinese wheat production and 18 varieties with good bread making quality. The 22 corner stone breeding lines carry either null © or l(a) summits on Glu-Al loci. Five types are detected on Glu-Bl, which are 7 + 8(b), 7 + 9 ©, 14 + 15 (h), 17 + 18 (i), 6 + 8 (d). 7 + 8 and 7 + 9 are the two major types. Six types have been detected on Glu-Dl, which are 2 + 12 (a), 2 + 10 €, 5 + 10 (d), 4 + 10 (j), 4 + 12 ©, 2 + 11 (g). 2 + 12 and 2 + 11 are the two major types. In the corner stone breeding lines, early premium from American carries 5 + 10, St2422/464 from Italy carries the 14 + 15. In addition, two relatively essential varieties, Mara and Alondra carry 5 + 10. In the 45 commercialized varieties, sowed more than 666 000 ha (10 million mu) annually, only Yangmai 5 conveys the 5 + 10 on Glu-Dl, and Xiaoyan 6 and Yumai 7 carry the 14 + 15 on Glu-B1. Four varieties, Funo, Nongda 139, Zhengzhou 683 and Fan 6 convey the 17 + 18 on Glu-B1. The 18 bread wheat varieties recommended by the Ministry of Agriculture in 1992 could be classified into two groups, 5 + 10 and 14 + 15. Zhongzuo 8131 and its selections are the typical genotype of 5 + 10. Genes coding the two subunits are from either Yecora F-70 or IRN68-181. Xiaoyan 6 and its derivative varieties are the typical genotype of 14 + 15. The genes coding 17 + 18 subunits in Chinese varieties were derived from Funo or its selections. These results basically reflect allelic changes on Glu-1 in Chinese wheat varieties in the past 50 years. It is also proven that HMW-GS components may have great diversity between lines from the same cross, which causes great difference on baking quality.

关键词： China Wheat varieties Quality glutenin subunits

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