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重组人白细胞介素15工程菌高密度发酵条件探讨

Chinese Journal of Biochemical Pharmaceutics(2007)

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Abstract
目的研究表达重组人白细胞介素15(rhIL-15)工程菌高密度发酵的条件。方法采用发酵罐发酵,对影响工程菌生长和目的蛋白质表达的因素进行优化。结果以甘油为碳源可明显抑制有害物质乙酸的积累,提高工程菌的表达量和收获率。高密度发酵明显提高了目的蛋白质的表达量和工程菌的产量。结论该发酵工艺大大提高了rhIL-15工程菌的产量和表达水平,为rhIL-15的规模化生产打下了基础。
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Key words
genetic engineering bacteria,E.coli,carbon sources,high cell density fermentation,recombinant human interluekin-15
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