系统发生树

但用G2区的2741-2950片段构建的系统发生树将DOB型与HTN型分为一支。

However , the phylogenetic tree constructed with G2 segments ( 2741-2950 nt ) could group HTN and DOB strains into the same clade .

目的建立风疹病毒包膜糖蛋白E1的克隆载体；研究E1基因变异情况，并对其序列进行系统发生树分析。

Objectives To construct the cloning vector of glycoprotein E1 gene of rubella virus , to study the mutation of glycoprotein E1 gene , and to analyze the sequence of E1 gene by the phylogenetic tree .

阳性者进行双孔复检，仍阳性者采用PCR法进行确证及系统发生树分析。

The positive samples were reexamined and then confirmed by PCR and phylogenetic analysis .

基于随机微分方程和结构EM算法的系统发生树的构建

Phylogenetic Trees ' Construction Based on Stochastic Differential Equation and Structural EM Algorithm

柯萨奇B组3型病毒中国分离株VP4、3D基因序列及系统发生树分析

Sequence and phylogenetic of VP4 and 3D gene of a Chinese isolate of coxsackievirus B3

获得的23株HV序列在系统发生树上的遗传距离较近，同源性也均在94.7%以上，基本属于同一亚型。

The homology was nearly more than 94.7 % , belonging to the same subtype .

说明了Ds和DA这两种估算遗传距离的方法结合微卫星标记构建系统发生树是可行的。

It was proved that DS and DA genetic distance were appropriate to microsatellite when used to reconstruct phylogenetic tree .

以USA为外类群利用最大简约法构建了大豆疫霉根腐病菌的系统发生树，并分析了菌株之间的遗传进化关系。

Taking isolate USA as outgroup , the phylogenetic tree was constructed by means of maximum parsimony analysis , and the genetic evolution among isolates was analyzed .

通过系统发生树可以清晰地看出位于不同染色体上的不同亚基类型的HMW-GS基因的进化关系，并可确定HMW-8-P为Glu-D-1类型HMW-GS的启动子区。

From the tree , the evolution relationship among different chromosomal loci 's HMW-GS gene was characterized clearly .

系统发生树分析显示，Guizhou株与国内野毒株GP和LP，及日本的5个野毒株应属同一类，其中和GP株基因型最近，推测这些毒株间有更近的共同祖先。

Phylogenetic analysis indicated that Guizhou strain was clustered with GP and LP and 5 Japan strains of late 1990 ′ s , in which the GP strain was the nearest one .

同时，选择代表菌株进行16SRRNA基因的分子鉴定，测定16SRRNA基因序列、分析相关细菌相应序列的同源性，构建系统发生树。

In addition , the molecular identification of representative strains was conducted , and the 16S rRNA gene were partially sequenced and compared with sequences deposited in databases ; molecular phylogenetic trees were constructed .

目的测定中华血吸虫线粒体细胞色素C氧化酶亚基1（CO1）和NADH脱氢酶亚基1（ND1）基因序列，并根据这些序列构建分子系统发生树，探讨中华血吸虫在裂体属内的系统发生位置。

Objective To determine the phylogenetic position of Schistosoma sinensium in the genus Schistosoma using mitochondrial cytochrome C oxidase 1 ( CO1 ) and NADH dehydrogenase 1 ( ND1 ) as molecular markers .

系统发生树分析表明：卢龙毒株LL36755与其他已经报告的两种猪和一种人类的G5型毒株可能具有相同的起源。

Phylogenetic analysis showed Lulong strain LL36755 clustered together in the same lineage as two other reported porcine G5 rotavirus strains and one reported human G5 rotavirus strain .

40条斗鸡序列与GeneBank上红色原鸡相应序列比较，并构建基于单倍型的系统发生树，结果表明中国斗鸡的母系可能来源于多个红原鸡亚种。

The 40 sequences compared to that of red jungle issued in GeneBank and phylogenetic trees for the chickens constructed based on the haplotypes . The result indicated that the Chinese game chicken may originated from several subspecies of red jungle .

从系统发生树上可以看出，CCCH基因家族是锌指蛋白的一个大的分类，亚家族才是有共同特征的基因家族。

Form the phylogenetic tree , we found that CCCH gene family is a large group of zinc finger proteins and the subfamily might be the real gene family shared the same feature . 3 .

一种基于代谢路径构建系统发生树的有效方法

An Efficient Method for Constructing Phylogenetic Trees Based on Metabolic Pathway

应用汉坦病毒系统发生树再现汉坦病毒宿主扩散、迁徙过程研究的进展

Application of Hantavirus Phylogeny Reconstruction in Diffusion and Migration of Hantavirus Host

系统发生树包括了有根和无根2种情况。

The phylogenetic tree includes rooted and unrooted types .

基于蚁群优化的系统发生树构建算法

An Ant Colony Optimization Algorithm for Constructing Phylogenetic Tree

基于遗传算法的系统发生树构建方法

Phylogenetic tree constructing algorithm based on genetic algorithm

分子进化研究中系统发生树的重建

Phylogeny reconstruction in the study of molecular evolution

系统发生树构建技术综述

A Review of Phylogenetic Tree Reconstruction Technology

用两种方法得到的系统发生树均支持将十指臂尾轮虫作为一个独立的支系分离出来。

The NJ and MP trees showed that B.patulus was separated into an independent clade .

计算等位基因频率、遗传距离，构建系统发生树。

Allele frequen - cy and genetic distance were calculated and phylogenetic tree was constructed .

汉滩病毒M片段的核苷酸序列变异和系统发生树分析

Genetic Diversity of Partial M Fragment of Hantaan Virus Hubei Strain and Analysis of Phylogenetic Tree

谈系统发生树建立的分子标准

Molecular markers in constructing phylogenetic tree

各地理种群中的单倍型在系统发生树上散布在不同的分布群中，缺乏明显的地理分布格局。

The phylogenetic tree revealed no obvious geographical pattern for the prevalence and distribution of the haplotypes .

我国三株登革2型病毒基因组全序列的测定及系统发生树分析

Determination and evolution analysis of the complete genomic sequences of three dengue 2 virus strains isolated in China

它是提供使用全部基因组序列数据计算病毒物种系统发生树的第一个资源。

It is the first resource to provide phylogenetic trees of viral species computed using whole-genome sequence data .

系统发生树是描述物种进化顺序和进化关系的一种拓扑结构。

Phylogenetic tree is a kind of typological structure for describing the sequence and relationship of species revolution .