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牛整合素β5亚基基因的构建与原核表达

Cloning and Expression of Integrin Beta 5 Subunit Gene of Bos Tauros
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摘要 [目的]构建牛整合素β5亚基(ITGB5)基因,并进行原核表达。[方法]扩增目的基因,将其重组到pET-32a(+)质粒中,将经鉴定为阳性的重组克隆,转化大肠杆菌感受态细胞表达蛋白后纯化。[结果]从牛甲状腺、扁桃体扩增到目的基因ITGB5;ITGB5基因表达产物的SDS-PAGE结果显示,在88 KD处出现表达产物及纯化后的蛋白;W estern-blot分析表明,抗血清可与原核表达的蛋白特异性结合。[结论]表达、并纯化了ITGB5蛋白。 [Objective] To clone and express integrin beta 5 subunit(ITGB5)gene of bos tauros.[Method]Objective gene was obtained,and cloned into pET-32a(+) vector.The recombinant plasmid was transformed into E.coli BL21 to express,then the expected protein was purified.[Result] ITGB5 gene was obtained from thyroid and tonsils of bos tauros.An about 88 KD expected protein was determined by SDS-PAGE.And the result of Western-blot showed that the expected protein could be combined by specific antibody.[Conclusion]The ITGB5 protein was expressed and purified.
出处 《安徽农业科学》 CAS 北大核心 2011年第7期4009-4011,共3页 Journal of Anhui Agricultural Sciences
基金 国家转基因重大专项(2009ZX08007-006B) 国家自然科学基金(31072160) 山东省农业重大应用技术创新课题 山东省科技攻关课题(2009GG20002032) 山东省自然基金(Y2008D20) 济南市高校院所自主创新计划(201004027)
关键词 整合素β5亚基 基因 表达 Bos Tauros Integrin beta 5 Subunit Gene Expression
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参考文献10

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