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题名: Synthesizing double haploid hexaploid wheat populations based on a spontaneous alloploidization process
作者: Zhang, Lianquan1; Zhang, Li1; Luo, Jiangtao1; Chen, Wenjie1; Hao, Ming1; Liu, Baolong2; Yan, Zehong1; Zhang, Bo2; Zhang, Huaigang2; Zheng, Youliang1; Liu, Dengcai1, 2; Yen, Yang3
刊名: JOURNAL OF GENETICS AND GENOMICS
出版日期: 2011-02-01
卷号: 38, 期号:2, 页码:89-94
关键词: Allopolyploid ; Doubled haploid ; Unreduced gametes
文章类型: Article
中文摘要: Doubled haploid (DH) populations are useful to scientists and breeders in both crop improvement and basic research. Current methods of producing DHs usually need in vitro culture for extracting haploids and chemical treatment for chromosome doubling. This report describes a simple method for synthesizing DHs (SynDH) especially for allopolyploid species by utilizing meiotic restitution genes. The method involves three steps: hybridization to induce recombination, interspecific hybridization to extract haploids, and spontaneous chromosome doubling by selfing the interspecific F(1)s. DHs produced in this way contain recombinant chromosomes in the genome(s) of interest in a homogeneous background. No special equipment or treatments are involved in the DH production and it can be easily applied in any breeding and/or genetic program. Triticum turgidum L. and Aegilops tauschii Coss, the two ancestral species of common wheat (Triticum aestivum L.) and molecular markers were used to demonstrate the SynDH method.
英文摘要: Doubled haploid (DH) populations are useful to scientists and breeders in both crop improvement and basic research. Current methods of producing DHs usually need in vitro culture for extracting haploids and chemical treatment for chromosome doubling. This report describes a simple method for synthesizing DHs (SynDH) especially for allopolyploid species by utilizing meiotic restitution genes. The method involves three steps: hybridization to induce recombination, interspecific hybridization to extract haploids, and spontaneous chromosome doubling by selfing the interspecific F(1)s. DHs produced in this way contain recombinant chromosomes in the genome(s) of interest in a homogeneous background. No special equipment or treatments are involved in the DH production and it can be easily applied in any breeding and/or genetic program. Triticum turgidum L. and Aegilops tauschii Coss, the two ancestral species of common wheat (Triticum aestivum L.) and molecular markers were used to demonstrate the SynDH method.
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
研究领域[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
关键词[WOS]: AEGILOPS-SQUARROSA ; SUBSTITUTION LINES ; GENETIC DIVERSITY ; GLUTENIN SUBUNITS ; BREAD WHEAT ; DURUM-WHEAT ; EMMER WHEAT ; F-1 HYBRID ; RESTITUTION ; PLANTS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000287734300005
Citation statistics:
内容类型: 期刊论文
URI标识: http://210.75.249.4/handle/363003/1588
Appears in Collections:中国科学院西北高原生物研究所_期刊论文

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作者单位: 1.Sichuan Agr Univ, Triticeae Res Inst, Wenjiang 611130, Sichuan, Peoples R China
2.Chinese Acad Sci, NW Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Peoples R China
3.S Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA

Recommended Citation:
Zhang, LQ; Zhang, L; Luo, JT; Chen, WJ; Hao, M; Liu, BL; Yan, ZH; Zhang, B; Zhang, HG; Zheng, YL; Liu, DC; Yen, Y.Synthesizing double haploid hexaploid wheat populations based on a spontaneous alloploidization process,JOURNAL OF GENETICS AND GENOMICS,2011,38(2):89-94
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文件名: Synthesizing double haploid hexaploid wheat populations based on a spontaneous alloploidization process.pdf
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