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Methods PCR amplification of drug resistance gene abeM was carried out using chromosomal DNA of Ab 35 and Ab 36 clinical isolates as template. PCR product of abeM gene was sequenced. The nucleotide sequences and deduced amino acid sequences were analyzed by BLAST of NCBI. After cells of Escherichia coli KAM32 transformed with a plasmid carrying the abeM gene PCR product, MICs of various drugs were determined by serial twofold dilution method.

以临床分离的Ab 35、Ab 36染色体DNA为模板扩增abeM基因，对abeM基因扩增产物进行DNA测序及同源性分析；将abeM基因扩增产物与载体连接后转化入大肠埃希菌KAM32感受态细胞中，对转化子进行药敏分析。

Moreover, it had 97% nucleotide identity with Bean yellow mosaic virus. Therefore, the virus obtained from P.

因此判定此病毒株为BYMV在鹤顶兰所发现的分离株，命名为BYMV-PT。

The squares of Bessel functions are plotted about O on the equator and on the first , second, third an fifth layer lines for half of the nucleotide mass at 20 A. diameter and remainder distributed along a radius, the mass at a given radius being proportional to the radius.

的平方贝塞尔函数绘制关于澳赤道和第一，第二，第三行的第五层的一半，在20个核苷酸大众答：直径和其余分布在半径，大众在某一半径正在比例到半径。

The results show ed that the highest degree of nucleotide homology exists between HCLV isolated f rom blood and "C" strain (sk-6 cellular virus).

但国内外应用单克隆抗体对C株检测发现有不同的反应模式，表明经过多年在不同细胞驯化的结果，C株已经名同实异［1，2］。

The blood relationship tree and evolution position of Tibet mini-pig were established. Result There were 14 mutation sites between domestic pigs in China and pigs from Europe. Besides there was a significant difference in two nucleotide site: a T→C switch in site 420 and the G→A switch in site 883 at the same time.

结果 西藏小型猪等国内部分品种猪的Cyt b基因序列与欧洲猪相比有14个变异位点；但是西藏小型猪与国内品种猪相比存在两个特殊碱基位点即在420位点T→C转换的同时在883位点存在G→A转换。

The objective of this research is to identify the causative genes or DNA polymorphisms for fat deposition and carcass merit in beef cattle through a comprehensive association analysis using a high-density gene-specific SNP marker set (approximately 1536 gene-specific nucleotide variants).

研究目的是利用高密度基因 SNP 标记来检测控制肉牛脂肪和肉质的基因。

Selecting the better amplified from Diacylglycerol acyltransferase, gene, Acyl- desaturase gene ,then cloning sequencing, afer that, through the NCBI and nucleotide sequence to match homology , the results show that: cloning by the cassava, castor-oil plant Jatropha curcas DGAT and SAD genes and gene fragments have the high homology with other known plant DGAT genes and SAD genes .

从中筛选出扩增效果较好的二酰基甘油酰基转移酶(Diacylglycerol acyltransferase， DGAT)基因，硬脂酰-酰基载体蛋白脱饱和酶(Acyl- desaturase， SAD)基因克隆测序，经测序，通过NCBI与已知的核苷酸序列进行同源性比对，结果表明：克隆所获得的木薯、蓖麻和麻疯树 DGAT基因和SAD基因的片段与其它已知植物的DGAT基因和SAD基因具有很高的同源性。

Selecting the better amplified from Diacylglycerol acyltransferase, gene, Acyl- desaturase gene ,then cloning sequencing, afer that, through the NCBI and nucleotide sequence to match homology , the results show that: cloning by the cassava, castor-oil plant Jatropha curcas DGAT and SAD genes and gene fragments have the high homology with other known plant DGAT genes and SAD genes .

从中筛选出扩增效果较好的二基甘油基转移(Diacylglycerol acyltransferase， DGAT)基因，硬脂-基载体蛋白脱饱和(Acyl- desaturase， SAD)基因克隆测序，经测序，通过NCBI与已知的核酸序列进行同源性比对，结果表明：克隆所获得的木薯、蓖麻和麻疯树 DGAT基因和SAD基因的片段与其它已知植物的DGAT基因和SAD基因具有很高的同源性。

According to the conserved regions of other known insects, a pair of specific primers were designed and the RT-PCR method was used to amplify the partial sequences of HSP70 from cotton aphid, then analyzed the nucleotide and deduced amino acid sequence.

根据已知昆虫HSP70基因的保守性区域，设计特异性引物，采用RT-PCR方法扩增棉蚜HSP70基因的部分序列，测序后进行核苷酸和推导的氨基酸序列分析。

Material of the study was FMDV from cell culture, nucleotide sequence of structural gene of FMDV and FMD vaccine strain were acquired by RT-PCR.

本试验以口蹄疫病毒的细胞培养毒为材料，通过RT-PCR方法获得了此株病毒结构基因的核苷酸序列，同法获得了口蹄疫疫苗株结构基因的核苷酸序列。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。