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一种基于线粒体完全基因组的熵密度分布的脊椎动物系统发育树构建方法

A Method Based on the Entropy Density Profile of Complete Mitochondrial Genomes to Construct Vertebrate Phylogeny
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摘要 线粒体完全基因组是一种构建脊椎动物系统发育树的非常重要的数据资源.该文中我们应用基于非序列比对的熵密度分布方法结合对数关联距离对64种脊椎动物的线粒体完全基因组进行分析处理并构建系统发育树,产生的树将所选择的生物体分为三个大类:哺乳类(Mammalia)、鱼类(Fish)和初龙下纲(包括鸟类(Birds)和爬行类(Reptiles)),其拓扑结构与当前已知的用传统方法产生的树相似. The mitochondrial complete genomes have proven to be a very important data source for vertebrate phylogeny construction. In this paper we apply the entropy density profile （ EDP） method associated with log - correlation distance to analyze the 64 complete mitochondfial genomes and construct vertebrate phylogeny. The generated tree shows that the selected organisms are separated to three major clusters. One group corresponds to mammals, one group corresponds to fish, and the other one is Archosauria （ including birds and reptiles ）. The structures of the trees in topology are largely in agreement with the current known vertebrates phylogenies yielded by the traditional approaches
作者 周立前
机构地区 湘潭大学数学与计算科学学院
出处 《湘潭大学自然科学学报》 CAS CSCD 北大核心 2007年第4期21-25,共5页 Natural Science Journal of Xiangtan University
基金 国家自然科学基金(30570426) 霍英东青年教师基金(101004) 湖南省教育厅青年基金(05B007)资助项目
关键词 完全基因组 系统发育树 组合向量 熵密度分布 对数关联距离 complete genome vertebrate phylogeny composition vector entropy density profile （ EDP） log - correlation distance.
分类号 O221 [理学—运筹学与控制论]
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参考文献25

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共引文献8

湘潭大学自然科学学报
2007年 第4期

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