弓形虫上海株SAG2基因克隆和序列分析
文献类型: 中文期刊
作者: 陈志强;程天印;王权;陈永军
作者机构:
关键词: 弓形虫;SAG2;PCR
期刊名称:中国兽医寄生虫病
ISSN: 1005-0868
年卷期: 2007 年 15 卷 02 期
页码: 12-15
摘要: 目的:对弓形虫上海株SAG2基因进行克隆与鉴定。方法:采用PCR方法从弓形虫上海株总DNA中扩增到SAG2基因,与pGEM-T-easy vector连接,并进行DNA测序分析。结果:用DNAStar软件对扩增出的片断与GenBank上的7个虫株相应的序列进行同源性比较,不同宿主和不同区域上的弓形虫SAG2基因序列差异很小。结论:用基因重组技术获得的SAG2抗原,作为候选疫苗和诊断抗原,有着广阔的发展前景。
分类号: S852.7
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