华北农学报 ›› 2007, Vol. 22 ›› Issue (2): 133-135. doi: 10.3321/j.issn:1000-7091.2007.02.032

所属专题: 油料作物

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适于SSR分析的大豆干种子中DNA快速提取

张伟, 谢甫绨, 宋显军, 曹萍, 郭玉华   

  1. 沈阳农业大学农学院, 辽宁 沈阳 110161
  • 收稿日期:2006-11-20 出版日期:2007-04-28
  • 通讯作者: 谢甫绨(1966-),男,江西上犹人,教授,博士生导师,主要从事大豆株型育种与栽培研究。
  • 作者简介:张伟(1979-),男,黑龙江肇东人,博士研究生,主要从事大豆产量生理研究。
  • 基金资助:
    国家“948”计划项目(2003-Q04)

Rapid Extraction of Genome DNA from Soybean Dry Seed for SSR Analysis

ZHANG Wei, XIE Fu-ti, SONG Xian-jun, CAO Ping, GUO Yu-hua   

  1. College of Agronomy, Shenyang Agricultural University, Shenyang 110161, China
  • Received:2006-11-20 Published:2007-04-28

摘要: 为了探寻大豆干种子中的DNA快速提取方法,以2个大豆品种的干种子为材料,在SDS提取液中加入蛋白酶K、NP-40、Tween-20情况下,并减少氯仿/异戊醇的抽提次数,研究对提取DNA质量的影响。结果表明,SDS提取液中加入3种试剂后,即使使用氯仿/异戊醇抽提1次,其DNA的OD260/OD280值也在1.8~2.0之间,能够满足SSR扩增模板的需求。说明此方法既可获得较高纯度的DNA,又可大大缩短大豆干种子中的DNA提取时间。

关键词: 大豆, DNA提取, SDS, SSR

Abstract: To develop a rapid DNA extraction method, the quality of DNA was examined with soybean dry seeds as materials, adding proteinase K, NP-40 and Tween-20 to SDS extracting solution, and reducing the chloroform/isoamyl extraction times. The results showed that when adding the three reagents to SDS extracting solution, the OD260/OD280 value of DNA was between 1.8 and 2.0 even extracted once by chloroform/isoamyl. Thus, good quality and quantity template DNA suitable for SSR analysis was obtained with reduced time.

Key words: Soybean, DNA extraction, SDS, SSR

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引用本文

张伟, 谢甫绨, 宋显军, 曹萍, 郭玉华. 适于SSR分析的大豆干种子中DNA快速提取[J]. 华北农学报, 2007, 22(2): 133-135. doi: 10.3321/j.issn:1000-7091.2007.02.032.

ZHANG Wei, XIE Fu-ti, SONG Xian-jun, CAO Ping, GUO Yu-hua. Rapid Extraction of Genome DNA from Soybean Dry Seed for SSR Analysis[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(2): 133-135. doi: 10.3321/j.issn:1000-7091.2007.02.032.

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