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硬粒小麦(Triticum durum)贮藏蛋白的遗传变异分析
  • 摘要

    对来源于美、中、俄及埃塞阿比亚等22个国家的142份硬粒小麦材料的种子贮藏蛋白位点及遗传变异进行了研究.供试的硬粒小麦(Triticum durum Desf)材料共检测出37条醇溶蛋白条带,无1条带纹为所有材料共有,多态性达到100%,说明硬粒小麦具有丰富的醇溶蛋白等位变异.聚类分析将142份供试材料分为3个大类,材料间遗传差异大小在不同的国家有所不同,表明醇溶蛋白带型与地理来源有一定关系.高分子量谷蛋白电泳共分离出14种亚基和15种亚基组合,但是优质亚基所占比例不高,这可能是因为硬粒小麦加工用途的特殊性,使得多年的育种并未太多改变硬粒小麦高分子量谷蛋白亚基等位变异的频率,促成优质亚基的累计.

  • 作者

    王含彦  魏育明  颜泽洪  郑有良  WANG Han-yan  WEI Yu-ming  YAN Ze-hong  ZHENG You-liang 

  • 作者单位

    四川农业大学小麦研究所,雅安,625014/四川农业大学小麦研究所,雅安,625014;四川农业大学教育部西南作物遗传资源与改良重点实验室,雅安,625014

  • 刊期

    2006年5期 ISTIC PKU

  • 关键词

    硬粒小麦  醇溶蛋白  谷蛋白  遗传多样性  durum  gliadin  glutenin  genetic diversity 

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