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    睡莲类植物ITS nrDNA序列的分子系统发育分析

    唐先华 张晓艳 施苏华 钟扬 赖旭龙

    唐先华, 张晓艳, 施苏华, 钟扬, 赖旭龙, 2003. 睡莲类植物ITS nrDNA序列的分子系统发育分析. 地球科学, 28(1): 97-101.
    引用本文: 唐先华, 张晓艳, 施苏华, 钟扬, 赖旭龙, 2003. 睡莲类植物ITS nrDNA序列的分子系统发育分析. 地球科学, 28(1): 97-101.
    TANG Xian-hua, ZHANG Xiao-yan, SHI Su-hua, ZHONG Yang, LAI Xu-long, 2003. A Preliminary Phylogenetic Analysis of ITS nrDNA Sequences in Water-lilies. Earth Science, 28(1): 97-101.
    Citation: TANG Xian-hua, ZHANG Xiao-yan, SHI Su-hua, ZHONG Yang, LAI Xu-long, 2003. A Preliminary Phylogenetic Analysis of ITS nrDNA Sequences in Water-lilies. Earth Science, 28(1): 97-101.

    睡莲类植物ITS nrDNA序列的分子系统发育分析

    基金项目: 湖北省地球表层系统开放实验室资助项目
    详细信息
      作者简介:

      唐先华(1970—),女,博士研究生,主要研究方向为分子古生物.E-mail: xianhuat@sohu.com

    • 中图分类号: Q91

    A Preliminary Phylogenetic Analysis of ITS nrDNA Sequences in Water-lilies

    • 摘要: 睡莲类植物是目前植物分子系统学与进化研究的一个重要类群.核基因组的ITS区是核核糖体(nrDNA) 转录单位的一部分.测定和分析了5个属的7种睡莲类植物的核核糖体ITS序列, 并与GenBank中提取的相关序列进行了组合分析, 初步获得了睡莲类植物的2个ITS系统树, 结果也支持现有分子系统学研究中有关金鱼藻处于较原始位置的观点.

       

    • 图  1  用简约法和邻接法构建的ITS系统树

      数字表示各分支自展数据支持率; *表示外类群, 分类群缩写见表 1, 左为MP, 右为NJ

      Fig.  1.  ITS phylogenetic trees using maximum parsimony and neighbor-joining methods

      图  2  用简约法构建的ITS系统树(组合数据集)

      数字表示各分支自展数据支持率; *表示外类群; 分类群缩写见表 1; 右边斜体为属名

      Fig.  2.  ITS phylogenetic trees using maximum parsimony (combined data set)

      表  1  实验材料的种名、缩写及来源

      Table  1.   Species, abbreviation and source

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    出版历程
    • 收稿日期:  2002-05-28
    • 刊出日期:  2003-01-25

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