The ORF2 gene was amplified from PCV2 Shaanxi isolates.
由此证明，分离出的病毒是PCV2型。
The ELISA result using ORF2 protein as antigen showed good accuracy.
以OR F2蛋白为抗原的ELISA检测结果具有较好的准确性。
The recombinant pseudorabies virus was constructed successfully, and the expressed ORF2 protein had immunogenicity.
重组伪狂犬病毒构建成功，且表达的ORF2蛋白具有免疫原性。
Whole ORF2 genes of 173 positive clinical PCV2 samples from Beijing and other areas were amplified by PCR and followed by restriction fragment length polymorphism (RFLP) analysis.
采用聚合酶链式反应（PCR）技术对来自北京等地区的173份PCV2阳性样本的全长ORF2基因进行了扩增，并对扩增产物进行了限制性片段长度多态性（RFLP）分析。
The successful expression of HEV ORF2 protein in p. Pastoris and the production of recombinant protein provides basis for genetically engineered vaccine development of hepatitis E.
HEV结构区ORF2蛋白在甲醇营养型酵母中的成功表达，以及初步纯化得到的具有强免疫学活性的重组蛋白，为研制新型戊型肝炎基因工程疫苗奠定了基础。
The successful expression of HEV ORF2 protein in p. Pastoris and the production of recombinant protein provides basis for genetically engineered vaccine development of hepatitis E.
HEV结构区ORF2蛋白在甲醇营养型酵母中的成功表达，以及初步纯化得到的具有强免疫学活性的重组蛋白，为研制新型戊型肝炎基因工程疫苗奠定了基础。
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