查询词典 nucleotide

All kinds of these study results, including analyzing the nucleotide composition, the amino acid composition, the nucleotide diversity, the synonymous and the nonsynonymous, the transition and the transvertion, the frequencies of the codon used, the construction (including four stems and four loops) of tRNAleu,the phylogeny,suggest that great distinctness present among the genera and small difference even none among species.

在各种分析中(包括核苷酸基本组成分析；氨基酸基本组成分析；核苷酸多样性分析；非同义替代和同义替代分析；密码子使用频率分析；转换与颠换分析；tRNAleu基因的四臂四环二级结构分析；&翻译启始&和&翻译终止&在进化过程中的变化；系统发育分析)，属间的差异相当明显，而种间差异很小甚至是没有任何不同之处。

Comparing the nucleotide sequences of 16S rRNA gene and ribosomal protein gene, we could find that these two strains have the highest homology of 99.4% and 99.8%, respectively. The nucleotide sequences of 16S rRNA gene for the CWB-YN strain shared higher homology (98.5%,98.9% and 98.0%) with phytoplasma strains in Tomato big bug 16SrI-A group, Western aster yellow (16SrI-B group and Clover phyllody (16SrI-C group). But it is obviously under 97.0% with other phytoplasma groups. The CWB-GZh strain shared higher homology (98.7%,99.1% and 98.3%) with phytoplasma strains in Tomato big bug(16SrI-A group ),Western aster yellow (16SrI-B group) and Clover phyllody (16SrI-C group).

苦楝丛枝病植原体云南株系与其它组16S rRNA基因序列的同源率进行比较，结果与16SrI-A组中的番茄巨芽病植原体(Tomato big bug，BB)、16SrI-B组中的西方翠菊黄化病植原体(Western aster yellow，SAY)和16SrI-C组中的三叶草变病植原体(Clover phyllody，CPh)同源率达最高，分别为98.5%、98.9%和98.0%，而与其它组的植原体16S rRNA基因序列的同源率均低于95%；苦楝丛枝病植原体贵州株系与16Sr I-A组的番茄巨芽病植原体(Tomato big bug，BB)、16Sr I-B组的西方翠菊黄化病植原体(Western aster yellow， SAY)和16SrI-C组中的三叶草变叶病植原体(Clover phyllody，CPh)的同源率达最高，分别为98.7%、99.1%和98.3%。

The partial sequence of Trionyx sinensis 5S rRNA determined contained only one nucleotide residue different from that of Terrapene carolina 5S rRNA and had three different nucleotide residues compared with that of rat 5S rRNA.

部分序列的测定表明它与Terrapene carolina的5S rRNA序列仅有一个碱基的差异，而与大鼠的5S rRNA序列则有三个碱基的差异。

The association of microsatellites in rice orphan and non-orphan genes was computed and censused. The result showed: rice has 28532 orphan genes, which accounts for 50.9％, and 27524 non-orphan genes, which accounts for 49. 1％; the microsatellite content in orphan genes is significantly higher than in non-orphan genes; in constitution, tri-nucleotide microsatellite content in ether orphan genes or non-orphan genes exceeds 50％, while the total tri-nucleotide microsatellite content in orphan genes accounts for 68％ and that in non-orphan genes accounts for 58％, of total microsatellites.

对微卫星在水稻孤儿基因与非孤儿基因之间的关系进行了计算和统计分析，结果表明：水稻孤儿基因总数为28532条序列，占50.9％，而非孤儿基因为27524条，占49.1％；孤儿基因中微卫星含量明显高于非孤儿基因；在组成上，不论在孤儿基因还是在非孤儿基因中，三核苷酸微卫星的含量都超过了50％，孤儿基因中的含量为68％，明显高于非孤儿基因的58％。

Compared with other potyviruses, there is the highest identity between WMV-CHN with Soybean mosaic virus, the nucleotide and amino acid identity is 78.4% and 86.1%, respectively; the second are Peanut stripw virus, Bean common mosaic necrosis virus, Bean common mosaic viurs, Blackeye cowpea mosaic viurs and Zucchini yellow mosaic virus, the homologies of nucleotide and amino acid are 68.3% and 70.9%, 67.2% and 71.2%, 67.3% and 70.3%, 67.7% and 70.9%, 62.2% and 62.9% in turn, respectively. The 5′-termini of WMV is intimately correlated with evolution of viruses.

与其他Potyvirus属成员相比，同源性最高的是大豆花叶病毒，核苷酸和氨基酸同源性分别为78.4%和86.1%，其他依次是花生条纹病毒病毒、菜豆普通花叶坏死病毒、菜豆普通花叶病毒、黑眼豇豆花叶病毒和小西葫芦黄花叶病毒，核苷酸和氨基酸同源性分别为68.3%和70.9%，67.2%和71.2%，67.3%和70.3%，67.7%和70.9%，62.2%和62.9%。

Polymorphisms in FSHB gene and association with egg production traits The SSCP detection of PCR products showed that FSHβpro site was polymorphismic in two population. Six nucleotide variation at G-494A, T-470A, A-464G,-450A insertion, A-405G and A-361G,were identified in promotor region of TaiHu chicken;Three nucleotide variation at A-464G,-450A insertion, A-405G,were identified in promotor region of blue eggshell chicken,three genotype.

FSHβ基因多态性与产蛋性状关系 FSHβ基因5'调控区和外显子3经PCR-SSCP检测发现，两个鸡群在FSHβpro位点都有多态，太湖鸡发现6处碱基差异，分别是：G-494A，T-470A，A-464G，-450插入碱基A，A-405G，A-361G；而绿壳蛋鸡在该位点有3处突变，分别是A-464G，-450插入碱基A，A-405G，有3种基因型。

Sequences were aligned by BLAST method. Results showed that 309bp fragments shared high similarity with orfl38 in Ogu CMS radish and Brassica cybrids of Ogu CMS radish, which 172 nucleotide sequences and 58 amino acids were same among them. And 689bp fragments shared high similarity (100%) with Pol orf224 in B.napus, which 677 nucleotide sequences and 225 amino acids were same among them.

同源性分析结果表明，利用orf138引物所获得的309bP大白菜mtDNA特异片段均与萝卜Ogu CMS、甘蓝型油菜Ogu CMS萝卜体细胞杂种所具有的Ogu orf138高度同源，二者有172个核苷酸完全相同，有58个氨基酸完全相同；orf224引物所获得的689bP大白菜mtDNA特异片段与甘蓝型油菜的Pol orf224高度同源，二者有677个核苷酸完全相同，有225个氨基酸完全相同，同源性均达到100%。

As a nucleotide analog, synthesization of entecavir not only guides synthesizing other analog, but also is propitious to impolder new nucleotide analog.

做为核苷类似物，恩替卡韦的合成不但可以指导其它该类药物的合成工艺，还有利于开发核苷类似物的新型药物。

Results The proband had a del-aa at nucleotide 72045 in exon 5, both of her parents and sister were correspondingly heterozygotes at the same nucleotide.

结果 先证者第72045位缺失两个核苷酸A，位于外显子5；先证者的父母及先证者的姐姐分别在DNA水平相同位点呈杂合缺失。

The Small-tailed Han sheep(48), Ningxia Tan sheep(121), Tan SH (23), Poll Dorset(48), Suffolk(24) were used to study the single nucleotide polymorphisms of H-FABP gene by PCR-SSCP and DNA sequencing. Five nucleotide variations were found, of which G981A, A1014C, and T1019C resulted in amino acid changes of R327H, E338A, and S340P, respectively.

以小尾寒羊(48只)、宁夏滩羊(121只)、滩寒杂交羊F1(23只)、无角陶塞特(48只)、萨福克(24只)5个绵羊群体为实验材料，利用PCR-SSCP和DNA测序技术对心脏型脂肪酸结合蛋白基因(GenBank登录号： AY157617)外显子2和内含子2部分序列进行单核苷酸多态性检测及遗传多态性分析。

Anna: No, I've got a hangover.

不是，我昨晚宿醉了。

We head into the mountains in Su's new Land Cruiser, stop for lunch at a scenic restaurant and then hang around drinking beer and eating fruit as two of his employees attempt to lure the birds with a tape recording of the fowl's mating call.

我们坐上苏的巡逻车向山顶出发，在一家风景优美的餐馆吃了中饭。然后我们喝着啤酒吃着水果四处逛。