PRRS V SD-1株ORF7基因的克隆、测序及原核表达载体的构建

被引:2
作者
李俊 [1 ]
王金宝 [1 ]
任慧英 [2 ]
朱新产 [2 ]
袁小远 [3 ]
周顺 [2 ]
张祯涛 [2 ]
机构
[1] 山东省农业科学院畜牧兽医研究所
[2] 莱阳农学院动物科技学院
[3] 山东省农业科学院家禽研究所
关键词
猪繁殖与呼吸综合征SD-1株; 开放阅读框; 原核表达载体; 构建;
D O I
10.16437/j.cnki.1007-5038.2006.04.017
中图分类号
S852.65 [家畜病毒学];
学科分类号
摘要
参照PRRSV ATCC VR2332株基因序列设计1对引物P1、P2,经RT-PCR扩增出PRRSV SD-1株ORF7基因,经与PMD18-T Vector连接后筛选出阳性克隆株测序。把PRRSV SD-1株ORF7 cDNA亚克隆到PQE上构建PQE-N原核重组表达载体。结果表明,PRRSV SD-1株ORF7核甘酸序列与PRRSV ATCC VR2332株ORF7核甘酸序列完全一致,与欧洲株LV符合率为58%。成功构建原核表达载体PQE-N,为N蛋白的研究和制备诊断性抗原奠定了基础。
引用
收藏
页码:64 / 68
页数:5
相关论文
共 5 条
[1]   Genomic characterization of two Chinese isolates of Porcine respiratory and reproductive syndrome virus [J].
Gao, ZQ ;
Guo, X ;
Yang, HC .
ARCHIVES OF VIROLOGY, 2004, 149 (07) :1341-1351
[2]  
S. Dea,C. A. Gagnon,H. Mardassi,B. Pirzadeh,D. Rogan.Current knowledge on the structural proteins of porcine reproductive and respiratory syndrome (PRRS) virus: comparison of the North American and European isolates[J].Archives of Virology,2000(4)
[3]   Structural polypeptides of the American (VR-2332) strain of porcine reproductive and respiratory syndrome virus [J].
Bautista, EM ;
Meulenberg, JJM ;
Choi, CS ;
Molitor, TW .
ARCHIVES OF VIROLOGY, 1996, 141 (07) :1357-1365
[4]  
H. D. Loemba,S. Mounir,H. Mardassi,D. Archambault,S. Dea.Kinetics of humoral immune response to the major structural proteins of the porcine reproductive and respiratory syndrome virus[J].Archives of Virology,1996(3)
[5]  
P. Suárez,R. Zardoya,C. Prieto,A. Solana,E. Tabarés,J. M. Bautista,J. M. Castro.Direct detection of the porcine reproductive and respiratory syndrome (PRRS) virus by reverse polymerase chain reaction (RT-PCR)[J].Archives of Virology,1994(1)