7型腺病毒温州株基因组主要序列的克隆与分析

Journal of Wenzhou Medical College(2010)

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Abstract
目的:克隆和分析7型腺病毒温州株(Ad7wz1)基因组主要序列ITR、E1A261R、E1B55kDa、Hexon和E3。方法:分离并提取了Ad7wz1基因组DNA,PCR扩增得到各基因后利用PMD18 simple T载体进行克隆,并测序分析。结果:获得Ad7wz1 ITR-L、E1A261R、E1B55kDa、Hexon、E3和ITR-R六个基因的克隆,并测得核苷酸序列;分析表明其核苷酸序列和相应的氨基酸序列与GenBank上已发表的Ad7全基因组序列比较同源性分别达到93.2%~100%和97.8%~100%。结论:初步确定本次分离的Ad7wz1毒株为Ad7d2型,Ad7wz1与已经发表的Ad7病毒株序列有高度同源性,为研究Ad7的致病机制提供了重要的理论基础。
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Key words
sequence homology,cloning molecular,sequence analysis,adenovirus type 7
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