羊种布鲁氏菌M5-90 omp31蛋白原核表达

被引:12
作者
张红星 [1 ]
陈创夫 [2 ]
王远志 [3 ]
唐利燕 [2 ]
机构
[1] 石河子大学生命科学院
[2] 石河子大学动物科技学院
[3] 石河子大学医学院
关键词
羊种布鲁氏菌疫苗株M5-90; omp31基因; 克隆; 测序; Western-blot检测;
D O I
暂无
中图分类号
S852.5 [血清学];
学科分类号
090604 [动物药学];
摘要
克隆、测序布鲁氏菌疫苗株M5-90外膜蛋白基因OMP31,原核表达OMP31并对其检测。从羊种布鲁氏菌M5-90中PCR获得OMP31基因,连接到pBS-T克隆质粒并测序;将测序正确的基因片段克隆入大肠杆菌表达载体pET-28a,进行SDS-PAGE,而后Western-blot检测。结果M5-90疫苗株的OMP31基因序列与羊种布鲁氏菌参考株16M的同源性为99.03%;外膜蛋白基因OMP31在大肠杆菌表达后能够被Western-blot检测到。结论:表达的布鲁氏菌疫苗株M5-90外膜蛋白OMP31可以被布鲁氏菌特异性血清识别,表现出良好的抗原性,为以后实验室诊断和疫苗的研究做好坚实的上游工作。
引用
收藏
页码:593 / 596
页数:4
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