利用基于SSR标记的MCID法鉴定72个柿地方品种
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南京农业大学园艺学院,南京 210095,南京农业大学园艺学院,南京 210095,南京农业大学园艺学院,南京 210095,南京农业大学园艺学院,南京 210095

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中央高校基本科研业务费专项基金项目(kyz201736)


Identification of 72 Persimmon landraces by Using SSR Markers-based MCID Metheod
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College of Horticulture, Nanjing Agricultural University,Nanjing 210095,College of Horticulture, Nanjing Agricultural University,Nanjing 210095,College of Horticulture, Nanjing Agricultural University,Nanjing 210095,College of Horticulture, Nanjing Agricultural University,Nanjing 210095

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    摘要:

    应用基于SSR分子标记的人工绘制植物品种鉴别图法(MCID, Manual cultivar identification diagram)对来源于中国各地的72个柿地方品种进行了鉴定。结果表明,利用筛选出的6对引物进行PCR扩增、再统计凝胶电泳特征性谱带,最后人工绘制出品种树形鉴别图,可将72个柿地方品种在分子水平上进行快速区分。同时利用NTSYS-2.10e软件进行聚类分析,通过聚类分析树状图直观了解各品种间的遗传关系,在遗传相似性系数为0.62左右时,可以分为3个亚群。所得的MCID图比聚类树更具直观性与实用性,通过查阅MCID图可以快速获得鉴别这些地方品种所需要的引物以及依据的多态性谱带。这对柿种质资源的鉴定及促进柿产业的持续发展具有积极的意义。

    Abstract:

    A method for variety identification using a manual cultivar identification diagram ( MCID) based on SSR molecular markers was applied to the identification of 72 persimmon landraces around China. The result showed that the 72 persimmon landraces were rapidly and easily distinguished at the molecular level through several rounds of PCR amplification using six random amplified polymorphic primers,analysis of the bands of gel electrophoresis and development of the tree-based identification charts.At the same time, cluster analysis was carried out by using NTSYS-2.10e software, and the genetic relationship among varieties was intuitively understood by cluster analysis tree map. When the genetic similarity coefficient is about 0.62, it can be divided into 3 subgroups .The obtained MCID map is more intuitive and practical than the clustering tree. By referring to the MCID map, the primers and specific bands needed for identifying these landraces can be quickly obtained. It has positive significance for the identification of persimmon germplasm resources and the sustainable development of persimmon industry.

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戚建锋,李晓鹏,王文然,等.利用基于SSR标记的MCID法鉴定72个柿地方品种[J].植物遗传资源学报,2018,19(5):895-903.

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  • 收稿日期:2017-12-26
  • 最后修改日期:2018-07-01
  • 录用日期:2018-04-04
  • 在线发布日期: 2018-07-12
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