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园艺学报 ›› 2011, Vol. 38 ›› Issue (8): 1601-1606.

• 新技术与新方法 • 上一篇    下一篇

利用高分辨率熔解曲线(HRM)分析梨微卫星标记

殷 豪,王彩虹*,田义轲,李节法,王 然,戴洪义   

  1. (青岛农业大学园林园艺学院,山东青岛266109)
  • 收稿日期:2011-05-12 修回日期:2011-07-11 出版日期:2011-08-25 发布日期:2011-08-25
  • 通讯作者: 王彩虹*

Differentiation of Microsatellites in Pear by High Resolution Melting(HRM)Analysis

YIN Hao,WANG Cai-hong*,TIAN Yi-ke,LI Jie-fa,WANG Ran,and DAI Hong-yi   

  1. (College of Landscape and Horticulture,Qingdao Agricultural University,Qindao,Shandong 266109,China)
  • Received:2011-05-12 Revised:2011-07-11 Online:2011-08-25 Published:2011-08-25
  • Contact: WANG Cai-hong*

摘要: 以西洋梨(Pyrus communis L.)‘Nain Vert’的一个矮生型实生系与‘茌梨’(Pyrus bretschneideri Rehd.)的F1杂交群体为试材,对分别源自梨和苹果基因组的4个微卫星(即SSRs)序列多态性进行了高分辨率熔解曲线(high resolution melting,HRM)分析。结果显示,在测试群体中,TsuENH042和Hi15a13存在两种分型,TsuENH081存在3种分型,而Hi08d09只有1种类型。因此,HRM分析技术可以作为筛查果树微卫星标记多态性或对其进行基因分型的有效手段在相关研究中加以应用。

关键词: 梨, 高分辨率熔解曲线(HRM), 微卫星

Abstract: The polymorphism of four microsatellites(i. e. SSRs)originated from pear or apple genome,respectively,were tested by high resolution melting(HRM)in the F1 progenies produced by crossing a dwarf seedling of the European pear(Pyrus communis L.)cultivar‘Nain Vert’with‘Chili’(Pyrus bretschneideri Rehd.). The results revealed that there were two genotypes for each of TsuENH042 and Hi15a13,three genotypes for TsuENH081 and one genotype for Hi08d09 in the testing population. The results indicated that HRM technique can be used as an effective methodology in fruits researches for polymorphism detecting or genotype differentiation of microsatellites.

Key words: pear, high resolution melting, microsatellite

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