[1]马玉花,杨吉安,贾万忠,等.中国不同地区杜仲rDNA的ITS序列分析[J].西北林学院学报,2004,19(04):16-19.
　Sequence Analysis of ITS of Nuclear Ribosomal DNA(nr DNA) of Eucommia ulmoides from Different Geographical Origin in China[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2004,19(04):16-19.
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中国不同地区杜仲rDNA的ITS序列分析 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第19卷
期数:
2004年04期
页码:
16-19
栏目:
林业基础科学
出版日期:
2004-08-29

文章信息/Info

Title:
Sequence Analysis of ITS of Nuclear Ribosomal DNA(nr DNA) of Eucommia ulmoides from Different Geographical Origin in China
作者:
马玉花; 杨吉安; 贾万忠; 冶贵生
西北农林科技大学,陕西 杨陵 712100;中国农科院兰州兽医研究所,甘肃 兰州 730046; 西北农林科技大学,陕西 杨陵 712100; 中国农科院兰州兽医研究所,甘肃 兰州 730046
关键词:
杜仲;  ITS区;  ITS-1;  ITS-2;  5.8S rDNA
分类号:
Q949.751.5
文献标志码:
A
摘要:
运用克隆测序法,对分布于中国不同地区的杜仲(Eucommia ulmoides)的核糖体DNA的ITS区(包括ITS-1,5.8S和ITS-2)进行测定.结果表明,杜仲植物的ITS区序列总长度为587-589 bp,长度变异仅为2 bp,其中ITS-1区为218～219 bp,在ITS-2区为205～206 bp,5.8SrDNA均为164bp,且高度保守,无变异位点.采用DNASTAR软件进行系统发育分析表明,来自不同地区的杜仲样品同源性均在96.9以上.根据ITS序列特征构建的系统树,来自同一地区的样

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更新日期/Last Update: 2010-04-29