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目的对金黄色葡萄球菌肠毒素A基因（SEA）进行克隆、鉴定与表达，为制备单抗、诊断试剂及进一步深入研究SEA的功能奠定基础。
Objective To clone, identify, and express the staphylococcal enterotoxins A(SEA) gene from Staphylococcus aureus in order to prepare monoclonal antibody and diagnostic reagent.
目的 探讨马铃薯表达的产肠毒素大肠杆菌热敏肠毒素B亚基口服免疫原性。
Objective: To determine the oral immunogenicity of B subunit of Escherichia coli Heat-labile enterotoxin expressed in transgenic potatoes.
本实验室使霍乱肠毒素（CT）B亚单位基因在大肠杆菌中获得表达，并能分泌到胞外。
The recombinant plasmid pMM2 contained cholera enterotoxin B sub-unit gene CT-B were expressed in E. coli strain.
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