摘要
在似近分析和 Nei氏遗传距离的基础上 ,给出了 DNA似近距离计算公式 ,并以 DNA似近距离估算类群间的分歧时间 (进化时间 ) ,应用 1 0种限制内切酶对猕猴属 ( genusMacaca)内 5个种 mt DNA的切点数据计算了这 5个种的 DNA似近距离和进化时间 .比较由DNA似近距、遗传距离构建的歧化树和 Fooden及 Delson的形态歧化树表明 ,除遗传距离的歧化树外 ,其它三种歧化树都有一个共同点 ,就是熊猴 ( M.assamensis)与藏酋猴 ( M.thibetna)歧化最晚 .以 DNA似近距离估算猕猴属内这 5个种最早分歧时间与 Delson推算的时间比较吻合 .在贵州的汉族、苗族、布依族和水族 mt DNA酶切点数据中 ,用
A new distance method, called the method of DNA resemblance near distance, was developed on the basis of resemblance near analysis and Neis genetic distance. This method was applied to the data of restriction sites on mtDNAs of five species of genus Macaca. The DNA resemblance near distances and divergent times among five species of genus Macaca were estimated and used to reconstruct the phylogenetic tree. We compared four phylogenetic trees among five species of genus Macaca. Except for tree made by using Neis genetic distance, tree made by using DNA resemblance near distance, Foodens and Delsons morphologic trees are identical in the phylogenetic relationship between M assamensis and M thibetna who are first clustered in the three trees.the tree topology, tree made by using DNA resemblance distance is close to the Foodens morphologic tree. The phylogenetic tree made by using DNA resemblance near distance and the data of restriction sites on mtDNAs from Han, Miao, Buyi and Shui ethnic groups, was in agree with recordation in Chinese history.
出处
《生命科学研究》
CAS
CSCD
2000年第1期21-30,共10页
Life Science Research
基金
晓庄学院引进人才科研启动基金
关键词
限制酶切点
DNA
似近距离
进化时间
分子系统学
evolution
restriction sites
DNA resemblance near distance
phylogenetic tree
