华北农学报 ›› 2005, Vol. 20 ›› Issue (1): 38-40. doi: 10.3321/j.issn:1000-7091.2005.01.009

所属专题: 玉米

• 论文 • 上一篇    下一篇

玉米单株幼芽DNA快速提取新方法

郭景伦1, 赵久然1, 辛景树2, 赵建宗2, 贾希海3, 田雷3, 律宝春3   

  1. 1. 北京市农林科学院玉米研究中心, 北京, 100089;
    2. 全国农业技术推广服务中心, 北京, 100026;
    3. 北京市种子管理站, 北京, 100088
  • 收稿日期:2004-11-08 出版日期:2005-02-28
  • 作者简介:郭景伦(1968-),男,山东苍山人,副研究员,硕士,主要从事玉米遗传育种研究工作。
  • 基金资助:
    北京市科技新星项目

A New Rapid DNA Extraction Method from Single Maize Seedling

GUO Jing-lun1, ZHAO Jiu-ran1, XIN Jing-shu2, ZHAO Jian-zong2, JIA Xi-hai3, TIAN Lei3, LÜ Bao-chun3   

  1. 1. Maize Research Center, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100089, China;
    2. National Center of Agricultural Technology Service and Extension, Beijing 100026, China;
    3. Beijing Seed Administration Station, Beijing 100088, China
  • Received:2004-11-08 Published:2005-02-28

摘要: 为了攻克利用DNA指纹技术进行玉米种子纯度鉴定中存在的技术难关,对玉米单株幼芽DNA快速提取 方法进行了研究,结果表明:利用新方法提取DNA,不用液氮、不用研磨、不用离心、不用沉淀,不用SDS、不用CTAB、不用氯仿,并且提取的DNA不降解、完全可以满足利用SSR分子标记进行DNA指纹分析的需要。一个人提取100株幼芽(1个检测样品)DNA只需30 min左右,1 d可以提取2000株幼芽(20个检测样品)的DNA,为DNA指纹技术在玉米种子纯度及真伪快速鉴定中的广泛应用解决了关键性技术难题。

关键词: 玉米, 单株幼芽, DNA提取

Abstract: In order to resolve the critical problem in maize purity identification using.DNA fingerprint,a new rapid DNA extraction method was developed for maize single seedling. This method would not need liquid nitrogen, mechanical grinding, centrifugation, no precipitation, SDS, CTAB,nor chloroform. The quality of DNA extracted using this method was suitable for SSR analysis. It cost about 30 minutes to extract DNA from each of 100 seedlings, and in a single day,one person can complete DNA isolation from more than 2 000 individuals. It resolved the critical technique problem of DNA fingerprint widely used in identification of maize seed purtty.

Key words: Rapid, DNA extraction, Maize

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引用本文

郭景伦, 赵久然, 辛景树, 赵建宗, 贾希海, 田雷, 律宝春. 玉米单株幼芽DNA快速提取新方法[J]. 华北农学报, 2005, 20(1): 38-40. doi: 10.3321/j.issn:1000-7091.2005.01.009.

GUO Jing-lun, ZHAO Jiu-ran, XIN Jing-shu, ZHAO Jian-zong, JIA Xi-hai, TIAN Lei, LÜ Bao-chun. A New Rapid DNA Extraction Method from Single Maize Seedling[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2005, 20(1): 38-40. doi: 10.3321/j.issn:1000-7091.2005.01.009.

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