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首页> 外文期刊>Genetic Resources and Crop Evolution >Haplotype variations of gene Ppd-D1 in Aegilops tauschii and their implications on wheat origin
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Haplotype variations of gene Ppd-D1 in Aegilops tauschii and their implications on wheat origin

机译：中华锦鸡儿Ppd-D1基因单倍型变异及其对小麦起源的影响

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摘要

The Ppd-D1 controlling photoperiod response is an important gene for wheat adaptation since it affects heading time. In the present study, three haplotypes, i.e. haplotype I without deletion, haplotype II with a 24 bp deletion, and haplotype III with two deletions of 24 and 15 bp, were identified in the upstream of the coding region in 80 Ae. tauschii accessions. The haplotype distribution was related to subspecies taxon. All typical ssp. tauschii accessions had haplotype I, whereas all ssp. strangulata had haplotype III. The three haplotypes were observed in Ae. tauschii with morphologically intermediate forms between the two typical subspecies. Present results supported that ssp. strangulata or intermediate form was the D-genome donor of common wheat since only haplotype III were found in wheat. Moreover, a 16 bp deletion in exon 8 of gene Ppd-D1 exists in common wheat. However, none of Ae. tauschii accessions analyzed had the 16 bp deletion.
机译：Ppd-D1控制光周期反应是小麦适应的重要基因，因为它影响抽穗期。在本研究中，在80 Ae的编码区上游鉴定出三种单倍型，即没有缺失的单倍型I，具有24bp缺失的单倍型II和具有24和15bp的两种缺失的单倍型III。陶氏菌种。单倍型分布与亚种分类群有关。所有典型的ssp。 tauschii品种的单倍型为I，而所有ssp。桔梗具有单倍型III。在Ae中观察到了三种单倍型。 tauschii在两个典型的亚种之间具有形态学上的中间形式。目前的结果支持该ssp。绞股蓝或中间形式是普通小麦的D基因组供体，因为在小麦中仅发现单倍型III。此外，普通小麦中存在基因Ppd-D1的外显子8的16bp缺失。但是，Ae没有。所分析的tauschii种质缺失了16 bp。

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  • 来源
    《Genetic Resources and Crop Evolution》 |2012年第6期|p.1027-1032|共6页
  • 作者

    Lin Huang; Qing Wang; Lian-Quan Zhang; Zhong-Wei Yuan; Ji-Rui Wang; Huai-Gang Zhang; You-Liang Zheng; Deng-Cai Liu;

  • 作者单位

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810001, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

    Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, 611130, China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    Aegilops tauschii; Common wheat; D-genome donor; Ppd-D1;

    机译：牛肝菌;普通小麦;D基因组供体;Pdd-D1;

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