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• 基础研究 • 上一篇    下一篇

小鼠B7-2基因的克隆、测序及其重组质粒的构建

杨建征,金光辉,田 梅,潘雪娜,金顺子,刘树铮*   

  1. 吉林大学公共卫生学院卫生部放射生物学重点实验室,吉林 长春130021
  • 收稿日期:2003-05-26 修回日期:1900-01-01 出版日期:2004-05-28 发布日期:2004-05-28
  • 通讯作者: 刘树铮

Cloning and sequencing of mouse B7-2 gene and constructionof its recombinant plasmids

YANG Jian-zheng,JIN Guang-hui, TIAN Mei,PAN Xue-na, JIN Shun-zi,LIU Shu-zheng*   

  1. MH Radiobiology Research Unit, School of Public Health,Jilin University,Changchun 130021,China
  • Received:2003-05-26 Revised:1900-01-01 Online:2004-05-28 Published:2004-05-28
  • Contact: LIU Shu-zheng

摘要: 目的:克隆小鼠B7-2基因编码区的cDNA序列,并构建其表达载体。方法:利用逆转录聚合酶链反应(RT-PCR)法,以小鼠脾细胞mRNA为模板,扩增获得B7-2基因,与pMD-18T连接做全自动测序,并利用基因重组技术构建包含B7-2基因的表达质粒pcDNA3.1-CMV-B7-2及pcDNA3.1-Egr-B7-2。结果:经测序证实获得的B7-2基因与文献报道的基本一致,并成功地构建了表达质粒。结论:成功克隆了B7-2的编码基因,并成功构建了表达载体pcDNA3.1-CMV-B7-2及pcDNA3.1-Egr-B7-2。

关键词: CD, 免疫学, 逆转录聚合酶链反应, 方法, pcDNA3.1-B7-2表达载体

Abstract: Objective To clone the sequence of the cDNA of mouse B7-2 gene and construct its expression vectors. Methods Using mouse splenocyte mRNA as template to obtain full length B7-2 with the technique of RT-PCR followed by automatic sequencing of pMD18T-B7-2 and to construct recombinant plasmids containing CMV, Egr-1 and B7-2 gene with recombinant DNA technique. Results Sequencing proved the cloned B7-2 cDNA to be essentially identical with that reported in the literature and the recombinant plasmids containing CMV, Egr-1 and B7-2 gene were constructed successfully. Conclusion B7-2 cDNA was successfully cloned and two expression vectors pcDNA3.1-CMV-B7-2 and pcDNA3.1-Egr-B7-2 were constructed.

Key words: immunology, reverse transcriptase polymerase chain reaction, method, pcDNA3.1-B7-2 expression vector

中图分类号: 

  • Q782