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The detection of a de novo allele of the Glu-1Dx gene in wheat-rye hybrid offspring
Yuan, Zhongwei1; Liu, Miao1; Ouyang, Yuyuan1; Zeng, Xiaoxue1; Hao, Ming1; Zhang, Lianquan1; Ning, Shunzong1; Yan, Zehong1; Liu, Dengcai1,2
2014-10-01
发表期刊THEORETICAL AND APPLIED GENETICS
ISSN0040-5752
卷号127期号:10页码:2173-2182
文章类型Article
摘要This study provides a link between a de novo gene and novel phenotype in wheat-rye hybrids that can be used as a model for induced de novo genetic variation. Wide hybridization can produce de novo DNA variation that may cause novel phenotypes. However, there is still a lack of specific links between changed genes and novel phenotypes in wide hybrids. The well-studied high-molecular-weight glutenin subunit (HMW-GS) genes in tribe Triticeae provide a useful model for addressing this issue. In this study, we investigated the feasibility of a wheat-rye hybridization method for inducing de novo phenotypes using the Glu-1Dx2.2 subunit as an example. We developed three hexaploid wheat lines with normal fertility and a Glu-1Dx2.2 variant, named Glu-1Dx2.2 (v) , derived from three F-1 hybrids. The wild-type Glu-1Dx2.2 has two direct repeats of 295 bp length separated by an intervening 101 bp in its central repetitive region. In the mutant Glu-1Dx2.2 (v) , one copy of the repeats and the intervening sequence were deleted, probably through homology-dependent illegitimate recombination (IR). This study provides a direct link between a de novo allele and novel phenotype. Our results indicate that the wheat-rye method may be a useful tool to induce de novo genetic variations that broaden the genetic diversity for wheat improvement.; This study provides a link between a de novo gene and novel phenotype in wheat-rye hybrids that can be used as a model for induced de novo genetic variation.
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]HIGH-MOLECULAR-WEIGHT ; SYNTHETIC HEXAPLOID WHEAT ; HMW GLUTENIN SUBUNITS ; GENOME EVOLUTION ; ILLEGITIMATE RECOMBINATION ; ALLOPOLYPLOID WHEAT ; WIDE HYBRIDIZATION ; TETRAPLOID WHEAT ; CROP IMPROVEMENT ; COMMON WHEAT
收录类别SCI
语种英语
WOS研究方向Agriculture ; Plant Sciences ; Genetics & Heredity
WOS类目Agronomy ; Plant Sciences ; Genetics & Heredity ; Horticulture
WOS记录号WOS:000342494500010
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/4189
专题中国科学院西北高原生物研究所
作者单位1.Sichuan Agr Univ, Triticeae Res Inst, Wenjiang 611130, Sichuan, Peoples R China
2.Chinese Acad Sci, Key Lab Adaptat & Evolut Plateau Biota, Northwest Inst Plateau Biol, Xining 810001, Peoples R China
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Yuan, Zhongwei,Liu, Miao,Ouyang, Yuyuan,et al. The detection of a de novo allele of the Glu-1Dx gene in wheat-rye hybrid offspring[J]. THEORETICAL AND APPLIED GENETICS,2014,127(10):2173-2182.
APA Yuan, Zhongwei.,Liu, Miao.,Ouyang, Yuyuan.,Zeng, Xiaoxue.,Hao, Ming.,...&Liu, Dengcai.(2014).The detection of a de novo allele of the Glu-1Dx gene in wheat-rye hybrid offspring.THEORETICAL AND APPLIED GENETICS,127(10),2173-2182.
MLA Yuan, Zhongwei,et al."The detection of a de novo allele of the Glu-1Dx gene in wheat-rye hybrid offspring".THEORETICAL AND APPLIED GENETICS 127.10(2014):2173-2182.
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