将胰岛素原基因融合到金色葡萄球菌蛋白a的基因上，构建成大肠杆菌中基因融合的外分泌表达载体。
The secretion expression vector of fusion gene in E. coli has constructed by fussing the proinsulin gene to the gene of staphylococcal protein a.
目的构建结核杆菌分泌蛋白mpt53原核表达载体并进行表达和纯化。
Objective to construct a expression vector of MPT53 of mycobacterium tuberculosis and identify and purify the protein in the e.
外源淀粉水解酶能在酵母中高效表达并分泌，其主要因素在于：在构建载体时组入强启动子；
The main factors for high efficiency expression and secretion of exogenous amylum hydrolase in S. cerevisiae are as follows: involvement of strong promoter in carrier construction;
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