外毒素包括膜损伤因子溶血素；
These exotoxins include the membrane-damaging agents hemolysins;
由病原体通过细胞壁向外分泌的毒素为外毒素。
The toxin may be formed within the pathogen and released when it dies (endotoxin), or secreted through its cell wall (exotoxin).
目的研究铜绿假单胞菌外毒素A（PE）的某些抗原性及其与辅助细胞的关系。
Objective Study on superantigen Pseudomonas aeruginosa exotoxin A (PE) and its relationship with accessory cell (AC).
目的分离与纯化致中毒性休克综合征缓症链球菌外毒素蛋白，并对其致病性进行初步研究。
Objective in order to isolate and purify an exotoxin of Streptococcus mitis which can cause toxic shock syndrome and investigate its pathogenicity.
目的：优化重组铜绿假单胞菌外毒素A（PEA）基因工程菌的发酵条件，实现PEA的高效表达。
Objective:To optimize the fermentable conditions of recombinant E. coli BL21 for high level expression of PEA.
提示细胞壁缺陷变异可影响白喉棒状杆菌产生白喉毒素蛋白质，从而使其丧失了产生外毒素致病的作用。
And no diphtherotoxin was detected in its soluble metabolites indicating that cell wall defect might affect the production of diphtherotoxin, therefore lost its pathogenic role in exotoxin production.
结论：利用噬菌体抗体库技术筛选可得到与破伤风外毒素特异性结合的人抗破伤风类毒素基因工程抗体。
Conclusion: Human genetic engineering antibody, which is able to react specifically to tetanus toxin, is obtained through screening phage antibody library.
结论：利用噬菌体抗体库技术筛选可得到与破伤风外毒素特异性结合的人抗破伤风类毒素基因工程抗体。
Conclusion: Human genetic engineering antibody, which is able to react specifically to tetanus toxin, is obtained through screening phage antibody library.
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