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通用黏膜免疫佐剂的制备

Shandong Medical Journal(2012)

Cited 23|Views40
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Abstract
目的采用同源重组技术制备通用黏膜佐剂。方法将枯草芽胞杆菌CotB基因与融合基因AB连接后插入整合质粒pDG1662得到重组质粒pDG1662-CotB-AB,电转化法将线性化重组质粒转化枯草芽胞杆菌1A771,抗生素抗性筛选,PCR、免疫荧光法鉴定免疫球蛋白结合蛋白基因重组及蛋白表达情况。结果 AB基因成功重组入枯草芽胞杆菌基因组中,免疫球蛋白结合蛋白在芽胞表面得到了有效表达,并具有结合免疫球蛋白的生物活性。结论本研究成功制备了黏膜免疫佐剂。
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Key words
bacillus subtilis spores,adjuvant of mucosa vaccine,immunoglobulin binding protein
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