| 弓形虫GJS株致密颗粒6基因真核表达质粒的构建及在BHK-21细胞中的表达 |
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| 引用本文： | 张燕丽,曹丽艳,芦赟,蔡志杰,王艳华,付宝权,李文卉,张德林. 弓形虫GJS株致密颗粒6基因真核表达质粒的构建及在BHK-21细胞中的表达[J]. 中国兽医科学, 2010, 40(4) |
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| 作者姓名： | 张燕丽 曹丽艳 芦赟 蔡志杰 王艳华 付宝权 李文卉 张德林 |
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| 作者单位： | 中国农业科学院兰州兽医研究所家畜疫病病原生物学国家重点实验室农业部兽医公共卫生重点开放实验室甘肃省动物寄生虫病重点实验室,甘肃兰州,730046 |
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| 基金项目： | 国家科技支撑计划，公益性行业(农业)科研专项经费项目，甘肃省重大专项科技项目 |
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| 摘 要： | 根据GenBank数据库中弓形虫RH株GRA6基因序列设计1对引物,采用PCR技术从弓形虫GJS株基因组DNA中扩增GRA6基因,导入真核表达载体pcDNA3.1/CT-GFP-TOPO,转化大肠杆菌DH5α,经酶切、PCR及测序鉴定,将重组质粒转染BHK-21细胞。GFP标签证明质粒DNA成功转染到细胞中并得以表达,通过Western-blot分析,细胞裂解液中有一条约52 ku的条带,可被山羊抗弓形虫超免疫血清识别,大小与预测值相符。表明真核表达质粒pcDNA3.1/CT-GFP-TOPO-GRA6中的GRA6基因在BHK-21细胞中获得表达且表达产物具有抗原性。
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| 关 键 词： | 刚地弓形虫 致密颗粒6 基因克隆 真核表达 |
Construction of eukaryotic expression plasmid with GRA6 gene of Toxoplasma gondii GJS strain and expression of the plasmid in BHK-21 cells |
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| ZHANG Yan-li,CAO Li-yan,LU Yun,CAI Zhi-jie,WANG Yan-hua,FU Bao-quan,LI Wen-hui,ZHANG De-lin. Construction of eukaryotic expression plasmid with GRA6 gene of Toxoplasma gondii GJS strain and expression of the plasmid in BHK-21 cells[J]. Chinese Veterinary Science, 2010, 40(4) |
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| Authors: | ZHANG Yan-li CAO Li-yan LU Yun CAI Zhi-jie WANG Yan-hua FU Bao-quan LI Wen-hui ZHANG De-lin |
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| Affiliation: | ZHANG Yan-li,CAO Li-yan,LU Yun,CAI Zhi-jie,WANG Yan-hua,FU Bao-quan,LI Wen-hui,ZHANG De-lin(Key Laboratory of Veterinary Parasitology of Gansu Province/Key Laboratory of Veterinary Public Health of the Ministry of Agriculture/State Key Laboratory of Veterinary Etiological Biology/Lanzhou Veterinary Research Institute,Chinese Academy of Agricultural Sciences,Lanzhou 730046,China) |
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| Abstract: | One pair of specific primers was designed according to the published dense granule antigen 6(GRA6) gene sequence of Toxoplasma gondii RH strain in GenBank.With the primers,the gene encoding GRA6 protein was amplified by PCR from the genomic DNA of T.gondii GJS strain and then cloned into the eukaryotic expression vector pcDNA3.1/CT-GFP-TOPO.The recombinant plasmid pcDNA3.1/CT-GFP-TOPO-GRA6 was identified by PCR,restriction enzyme digestion and sequencing analysis.Then,the plasmid pcDNA3.1/CT-GFP-TOPO-GRA6 w... |
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| Keywords: | Toxoplasma gondii dense granule antigen 6(GRA6) gene cloning eukaryotic expression |
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