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新疆家蚕抗菌肽(Cecropin-XJ)毕赤酵母高密度发酵条件的研究 被引量:1

Optimizing the High Density Culture Conditions of Pichia Pastoris Strain Producing Cecropin-XJ
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摘要 新疆家蚕抗菌肽具有明显的抑菌活性 ,利用基因工程技术生产新疆家蚕抗菌肽有助于实现工业化生产 .本研究探索通过巴斯德毕赤酵母工程菌 SMD1 1 68高密度发酵生产新疆家蚕抗菌肽 ( Cecropin-XJ)的条件 ,包括培养基中碳源、氮源、初始 p H值、磷酸盐等因素对毕赤酵母工程菌生长和抗菌肽分泌的影响 .通过多因素正交实验确定了生产新疆家蚕抗菌肽高密度发酵培养的最适培养条件 ,条件优化后毕赤酵母工程菌发酵后密度OD6 0 0 可达 48.92± 0 .5 9,较优化前提高了 3倍 。 The high-density culture conditions of a Pichia Pastoris strain prod ucing cecropin-XJ is studied, including the effect of various carbon sources, yeast powder , peptone, KH2PO4,and Initial pH. The optimum conditions are selected by orthogonal design. These results show the optimal density (OD600)of Pichia Pastoris strain containing the recombinant pGAPZαA-cecropin-XJ has achieved 48.92±0.59(OD600) in the optimum conditions, three times higher than in the original culture conditions.
出处 《新疆大学学报(自然科学版)》 CAS 2004年第3期232-236,共5页 Journal of Xinjiang University(Natural Science Edition)
基金 新疆高技术发展计划项目 ( 2 0 0 3 1 1 1 1 8)
关键词 家蚕 抗菌肽 毕赤酵母 高密度发酵 培养条件 Silk worm cecropin-XJ Pichia pastoris high-density fermentation culture conditions
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参考文献8

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共引文献68

同被引文献8

  • 1杜淑环,刘秀明,万秋,杨晶,王艳芳,李海燕,李校堃.天蚕素抗菌肽的研究进展[J].动物营养学报,2012,24(1):41-47. 被引量:37
  • 2周宇荀,曹巍,魏东芝,罗清平,王锦之.抗菌肽Adenoregulin基因工程菌培养条件的优化及分批发酵研究[J].生物工程学报,2005,21(4):615-621. 被引量:15
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