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Sequence analysis showed of N gene between positive samples and vaccin strain 89.5-99.0 % identity. 经基因定序比对其亲源关系，结果与犬瘟热疫苗株相似性在89.;5-99
The WHO Regional Office for Europe requested GACVS to review the risk of measles vaccine strains causing subacute sclerosing panencephalitis (SSPE). WHO欧洲区办事处要求GACVS审查麻疹疫苗株引发亚急性硬化脑炎(SSPE)的危险性。
Strep tomycin-dependent Shigella vaccine strains had their ability to multiply or invade much attenuated by the above procedure. 链霉素依赖性志贺氏疫苗菌株经上述处理后，被大大削弱了繁殖力和侵袭力。
In the 1990s, however, it was described that CDV strains genetically different from vaccine strains may have caused the disease in vaccinated dogs. 然而，于1990年，有报告指出CDV之基因遗传性已不同于疫苗株，会使已预防注射的狗遭受感染。
Both should be an "intermediate" vaccine strain of IBD and should preferably be administered in the drinking water. 两次免疫都应使用中等毒力的IBD疫苗毒株，并且最好采用饮水进行免疫。
Both should be an “intermediate” vaccine strain of IBD and should preferably be administered in the drinking water. 两次免疫都应使用中等毒力的IBD疫苗毒株，并且最好采用饮水进行免疫。
This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
By comparing with the published genomic sequence of AEV vaccine strain 1 143,there are 98% nucleotide and 97.6% amino acid identities between them. 与已发表的AEV疫苗株1143的基因组序列比较发现,它们之间核苷酸和氨基酸的同源性分别为98%25和97 6%25。
Results It was revealed that the live vaccine strain of F. tularensis induced the expression of Tfr1 in host macrophages. 结果土拉弗朗西斯菌疫苗株可以诱导转铁蛋白受体-1在宿主巨噬细胞中表达。
In this study, the biological properties of vaccine strain HepFlury and chimeric virus HepFHA of rabies virus were compared. 本研究以狂犬病嵌合病毒HepFHA和狂犬病毒疫苗株HepFlury为研究对象，进行了病毒的鉴定和生物学特性的比较性研究。
The isolate SDFC97 belongs to the second group and might be an evolved strain from the vaccine strain and nephritis type viruse. 第二种类型的代表是SDFC97株，是在疫苗毒株和嗜肾性毒株的基础上，发展起来的一株偏向于向嗜腺胃性毒株发展的一个过渡毒株；
RNA was extracted from vaccine strains of Food and mouth virus(FMDV) of FMDV/O/NMxw/10/99 and FMDV/O/NMzg/7/99 that were propagatet by neonate rats. The 3ABC and 3D-3,UTR gene fragments were amplified by RT-PCR method. 本试验从口蹄疫病毒疫苗株FMDV/O/NMxw/10/99和FMDV/O/NMzg/7/99乳鼠传代毒中提取病毒RNA,采用RT-PCR法分段扩增口蹄疫病毒的3ABC和3D-3,UTR基因片段,然后进行克隆和测序。
Methods Full length of S1 and Prn genes of three vaccine strains were amplified by PCR. The PCR amplicons were sequenced after being cloned into PGEM-T easy vector and the results were compared with those of Bordetella pertussis strains in GenBank. 方法分别克隆疫苗株的S1和Prn基因至PGEM-Teasy载体、进行测序,并与GenBank中收录的百日咳杆菌S1和Prn蛋白基因序列进行比较、分析。
Theresulted products (696 bp for all the 15 isolates, vaccine strains or standard strain) were subjected to DNA sequenceanalysis and compared with those of 6 reference strains Alfort, Ald, Brescia, Gpe, C and CW by using DNAstar software. 应用DNAstar序列分析软件对所测的15个HCV毒株与国内外6个参考毒株Alfort、Ald、Brescia、Gpe、C、CW株的相应片段进行了同源性比较分析。
Comparison revealed that the vaccine strains at 5P were identical to each other, but the S 79 strain at 25P appeared higher mutation rate than that of the Jeryl Lynn strain at 25P. 传代之前第5代的两种疫苗株的目的基因的核苷酸序列完全一致；传至第25代的S79株的目的基因的核苷酸序列比25代的JerylLynn株显示了更高的突变率。
New strains of viruses appear periodically. 新菌系的细菌周期性地产生。
He finally break down under the four-hour's strain. 在四小时的压力下他终于支持不了。
Cross-protection test indicates that GM strain, JM strain and Ulster 2C strain could cross-protect each other.Chicken vaccinated with these vaccine strains could survive the challenge of GM strain. 攻毒保护性试验表明，GM株和JM株、Ulster 2C毒株之间具有免疫交叉保护性，使用这3种毒株作为疫苗毒进行免疫均能保护GM株强毒的攻击。
Paying all the bills is a strain on my resources. 支付所有这些费用是我经济上的一大负担。
Her speech continued in the same dismal strain. 她以悲伤的语调接著往下说。