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应用ELISA定量检测转基因玉米中Bt1蛋白的研究
引用本文:刘光明,苏文金,陈向峰. 应用ELISA定量检测转基因玉米中Bt1蛋白的研究[J]. 食品科学, 2002, 23(8): 217-221
作者姓名:刘光明  苏文金  陈向峰
作者单位:厦门大学生命科学学院,厦门出入境检验检疫局,集美大学生物工程学院
基金项目:厦门科技计划资助项目(350222001109)
摘    要:应用纯化的Bt1杀虫晶体蛋白作为标准蛋白和免疫抗原,通过抗体-抗原-酶标抗体反应,建立了酶联免疫吸附测定法(ELISA),以定量检测转基因玉米中的Bt1表达蛋白。用建立的ELISA法对4种进口玉米产品进行了测定,实验结果得到了免疫印迹分析的验证,并与进口试剂盒方法的定量分析结果相一致,因而建立的ELISA法具有操作简便、快速特异、定量准确、经济实惠的优点,特别适合于大批量检测,有着良好的应用前景。

关 键 词:转基因玉米  Bt1蛋白  ELISA检测  

Quantitative Assay of Bt I Protein in Genetically Modified Maize by ELISA
LIU Guang-Ming,SU Wen-Jin,CHEN Xiang-Feng. Quantitative Assay of Bt I Protein in Genetically Modified Maize by ELISA[J]. Food Science, 2002, 23(8): 217-221
Authors:LIU Guang-Ming  SU Wen-Jin  CHEN Xiang-Feng
Abstract:Based on the antibody-antigen-enzyme antibody reaction and by using puriftied Bt1 insecticidal crystal protein asboth standard protein and immunity antigen, a quantitative enzyme-linked immunosorbent assay (ELISA) method was estab-lished to detect express Bt1 protein in genetically modified maize.4 imported maize samples were determined by ELISA, Incomparison with the western-blotting & KIT assay method, the results were almost identical. It concluded that the ELISAmethod might be useful for easy,rapid,reliable and effective assay in large samples.
Keywords:Genetically modified maize   Bt1 protein   ELISA detection  
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