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中国农学通报 ›› 2018, Vol. 34 ›› Issue (13): 76-82.doi: 10.11924/j.issn.1000-6850.casb17040016

所属专题: 园艺

• 林学 园艺 园林 • 上一篇    下一篇

新疆野樱桃李EST-SSR引物开发及通用性评价

秦雪,陈淑英,田嘉,李鹏,盛芳,罗淑萍,李疆   

  1. 新疆农业大学林学与园艺学院,新疆伊犁州林业科学研究院,新疆农业大学林学与园艺学院,新疆农业大学林学与园艺学院,新疆农业大学林学与园艺学院,新疆农业大学农学院,新疆农业大学林学与园艺学院
  • 收稿日期:2017-04-05 修回日期:2017-05-09 接受日期:2017-05-25 出版日期:2018-05-07 发布日期:2018-05-07
  • 通讯作者: 李疆
  • 基金资助:
    国家林业公益性行业科研专项“新疆特色果树新品种选育”(201304701-1);新疆维吾尔自治区园艺学重点学科基金(2016-10758-3)。

Development of EST-SSR Markers and Universality Analysis of Wild Type Prunus cerasifera in Xinjiang

  • Received:2017-04-05 Revised:2017-05-09 Accepted:2017-05-25 Online:2018-05-07 Published:2018-05-07

摘要: 野生樱桃李是中国濒临灭绝的树种之一。本研究从分子水平对野樱桃李进行研究,以期为制定保护策略提供理论依据。从NCBI 数据库中下载樱桃李EST 序列,用SSR Hunter l.3 查找SSR 位点,用Primer 6.0 设计了30 对引物并验证引物的通用性。结果表明:有20 对引物能扩增出有效条带,扩增率为66.67%,其中9 对引物能扩增出多态性条带,多态性比率为45%。用20 对有效引物在欧洲李和天山樱桃中进行扩增,均表现良好的通用性,且同属植物间的通用性明显高于同科植物间,说明引物通用性的高低与基因组的差异有关,亲缘关系越近引物通用性越高。

关键词: 地膜覆盖, 地膜覆盖, 玉米, 出苗率, 干物质积累, 生长, 产量

Abstract: The primers were designed and screened by EST-SSR molecular marker technique, and the transferability of the primers was verified, which provided technical support for the protection of wild Prunus divaricata Ldb resources. In this text, the EST sequences of Prunus divaricata Ldb were obtained from NCBI, SSR motifs were screened by using SSRHunter l.3 software from these sequences, and thirty specific primers were designed with the software Primer 6.0.The results showed that 20 pairs of primers could amplify specific bands, and the effective amplification rate was 66.67%,9 pairs of primers can amplify the polymorphic bands, the polymorphism was 45%.Using 20 pairs of effective primers in Prunus domestica L. and Cerasus tianschanica , all of them have good transferability, and the transferability of the congener plant was significantly higher than the coordinal plant, indicating that the general level of primitive depends on the differences of genome.

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