Characterization of a Triticum aestivum-Dasypyrum villosum T1VS.6BL translocation line and its effect on wheat quality
文献类型： 外文期刊
作者： Wen, Mingxing 1 ; Feng, Yigao 2 ; Chen, Juan 2 ; Bie, Tongde 3 ; Fang, Yuhui 4 ; Li, Dongsheng 1 ; Wen, Xiaolin 1 ; Chen, 1 ;
作者机构： 1.Zhenjiang Acad Agr Sci, Jurong 212400, Jiangsu, Peoples R China
2.Nanjing Agr Univ, Coll Agron, Natl Key Lab Crop Genet & Germplasm Enhancement, JCIC MCP, Nanjing 210095, Jiangsu, Peoples R China
3.Yangzhou Acad Agr Sci, Yangzhou 225007, Jiangsu, Peoples R China
4.Henan Acad Agr Sci, Wheat Res Inst, Zhengzhou 450002, Henan, Peoples R China
关键词： Dasypyrum villosum;Grain quality;T1VS.6BL translocation line
期刊名称：BRAZILIAN JOURNAL OF BOTANY （ 影响因子：1.296； 五年影响因子：1.394 ）
ISSN： 1806-9959
年卷期： 2017 年 40 卷 2 期
页码：
收录情况： SCI
摘要： Bread wheat quality is mainly correlated with protein quality, particularly the glutenin content and high molecular weight glutenin subunits (HMW-GS) of grain endosperm. The number of HMW-GS alleles and loci are limited in bread wheat cultivars, though ideally, a large amount of HMW-GS alleles in wheat-related grasses should be exploited. In this study, a novel wheat-Dasypyrum villosum GP005 translocation line, NAU425, carrying a pair of T1VS.6BL translocation chromosomes was developed and assessed via molecular cytogenetic analysis. Grain quality analysis indicated that NAU425 has a positive effect on protein content, Zeleny sedimentation value, wet gluten content, and the rheological characteristics of wheat flour dough compared to the same qualities of recurrent parent 'Chinese Spring' attributed to the additional HMW-GS donated by 1VS of D. villosum. The protein content of T1VS.6BL was significantly improved compared to 'Chinese Spring' likely owing to the dramatic increase in glutenin content. Considering the importance of glutenin content for bread wheat end-use quality, and T1VS.6BL line with good plant vigor, full fertility and cytogenetic stability, NAU425 may be valuable in bread wheat quality improvement. Our results presented here may provide an approach to improve bread wheat quality through additional alien HMW-GS introgression.
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