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甜菜总DNA不同提取方法的研究

Studies on Different Methods of Extracting Sugar Beet Total DNA

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【作者】 腊萍罗淑萍章建新麻浩刘娜刘焕霞赵图强

【Author】 LA Ping~1,LUO Shu-ping~1,ZHANG Jian-xin~1,MA Hao~2,LIU Na~1,LIU Huan-xia~3,ZHAO Tu-qiang~3(1.College of Agronomy,Xinjiang Agricultural University,Urumqi,830052;2.Nanjing Agriculture University,Nanjing,210090;3.Shihhotze Institute of Sugar Beet,Xinjiang Shihhotze,832011)

【机构】 新疆农业大学农学院南京农业大学新疆石河子甜菜研究所新疆石河子甜菜研究所 乌鲁木齐830052乌鲁木齐830052南京210090石河子832011

【摘要】 采用CTAB法、SDS法、改进CTAB法和改进SDS法提取甜菜总DNA,并对提取得到的DNA进行质量鉴定和PCR扩增效果检测。结果表明:用改进的CTAB法提取的甜菜总DNAOD260/OD280在1.8左右,DNA纯度好,产率高,CTAB法和改进的SDS法产率次之,SDS法最低。同时对改进的CTAB法的提取条件进行优化,即用5.0 mL细胞提取液,0.8 mL无水乙醇,0.6倍体积的异丙醇,可从1.0 g甜菜叶片中提取到高质量高纯度的DNA 764μg/g。

【Abstract】 Sugar beet total DNA was extracted with four different methods CTAB,SDS,improved CTAB and improved SDS.The DNA was analyzed with concentration test,ratios of OD260 and OD280.The result showed that improved CTAB method DNA content yield was higher than others.Therefore,improved CTAB method was the best and optimum way for sugar beet DNA extraction.A procedure of improved CTAB had been modified.764 μg of sugar beet DNA was obtained from 1.0 g sugar beet spawn under the following conditions: 5.0 mL cell extraction solution,0.8 mL ethanol dosage.The rate between isopropanol and the test solution was 0.6 volume.

【关键词】 甜菜总DNA提取方法
【Key words】 sugar beettotal DNAextraction method
【基金】 新疆维吾尔自治区科技厅项目(200415114-2);新疆维吾尔自治区教育厅项目(XJEDU2004G07)
  • 【文献出处】 新疆农业大学学报 ,Journal of Xinjiang Agricultural University , 编辑部邮箱 ,2006年02期
  • 【分类号】S566.3
  • 【被引频次】17
  • 【下载频次】156
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