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园艺学报 ›› 2013, Vol. 40 ›› Issue (11): 2307-2315.

• 新技术与新方法 • 上一篇    下一篇

葡萄SNP 标记的CAPS 和TSP 分析

郭大龙*,李 猛,张国海*,郭明晓   

  1. 河南科技大学林学院,河南洛阳 471003
  • 出版日期:2013-11-25 发布日期:2013-11-25
  • 基金资助:

    国家自然科学基金项目(30800742,31372026);河南省高校科技创新人才支持计划项目(2010HASTTT002,13HAST1T004);
    河南省高等学校青年骨干教师资助计划项目(2010GGJS-072);河南省重点科技攻关项目(132102110029)

CAPS and TSP Analyses of Grape SNP Markers

GUO Da-long*,LI Meng,ZHANG Guo-hai*,and GUO Ming-xiao   

  1. College of Forestry,Henan University of Science & Technology,Luoyang,Henan 471003,China
  • Online:2013-11-25 Published:2013-11-25

摘要: 为了建立起葡萄SNP 标记分析的一般方法和探索EST-SNP 标记在葡萄中的应用,对前期开
发的葡萄EST-SNP 位点进行了筛选,设计了28 对CAPS(cleaved amplified polymorphic sequences,酶切
扩增多态性序列)标记引物和22 对TSP(Temperature-switch PCR,温度转变PCR)标记引物,并在31
份葡萄材料中进行了分析,其中20 对CAPS 引物和10 对TSP 引物电泳条带较清晰,多态性较好。基
因分型统计显示:所有的SNP 位点均含有2 个等位基因,平均多态性信息含量(PIC)为0.336,平均
Shannon’s 信息指数为0.511。基因分型和葡萄材料聚类结果均显示这两种方法所获结果提供的信息量大且
结果可靠。本方法简便、成本低,可作为SNP 分型有效方法用于葡萄品种鉴定、基因分型和遗传多样性
分析等。

关键词: 葡萄, 单核苷酸多态性, 酶切扩增多态性序列, 温度转变PCR

Abstract: The grape EST-SNP loci developed previously were firstly screened in order to establish
the ordinary analyzing method and investigate the performance of grape SNP markers. Twenty-eight CAPS
(cleaved amplified polymorphic sequences)primers and twenty-two TSP(temperature-switch PCR)
primers were designed to analyze the screened SNP loci. Finally,twenty CAPS primers and ten TSP
primers produced clear and polymorphic bands in 31 grape genotypes. The genotyping results showed that
all SNP loci have two alleles. The average polymorphism information content and Shannon index are
0.336 and 0.511,respectively. The genotyping and cluster results of this study showed that CAPS and TSP
method were efficient and reliable. The CAPS and TSP primers developed in this study could be used in
SNP genotyping,cultivar identification and genetic diversity analysis of grape varieties in future.

Key words: grape, SNP, CAPS, TSP

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