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liyan20220木虫 (著名写手)
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[求助]
求翻译一段中文为英文
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本论文的工作主要包括三部分: 1. 抗菌肽ORBK的制备及分子机制研究。利用基因工程法把抗菌肽ORBK与融合蛋白MBP融合表达纯化,酶切后通过HPLC方法分离获得线性与环化混合抗菌肽ORBK,通过H2O2氧化方法获得环化抗菌肽ORBK。 2. 大多数抗菌肽的作用机制是破坏细胞膜的结构,引起细胞内容物大量渗透,最终导致细菌死亡。我们利用Nanodiscs和liposome体系对抗菌肽ORBK的作用机制进行了研究,研究表明抗菌肽ORBK作用于细菌细胞膜,并导致细菌细胞内容物泄漏,从而导致细菌死亡。 3. D29P63和PK34是D29分枝杆菌噬菌体来源的多肽。它们可作为制备抗结核杆菌药物制剂的应用,我们利用基因工程法成功获得了这两种多肽,并首次利用液体核磁共振技术完成了它们的主链原子化学位移的指认工作。 |
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liyan20220: 金币+5, 翻译EPI+1 2014-01-14 20:30:45
liyan20220: 金币+5, 翻译EPI+1 2014-01-14 20:30:45
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This paper mainly focus on the following three parts: 1 Preparation and molecular mechanisms of ORBK antimicrobial peptides . Realized the ORBK antimicrobial peptide fusion protein MBP's fusion expression and purification using genetic engineering method and obtained cyclic ORBK antimicrobial peptides through separation of the mixed linear and cyclic ORBK antimicrobial peptides by HPLC after digestion method and H2O2 oxidation . 2The mechanism of most of antimicrobial peptides is destroy the structure of cell membranes which caused permeation of a large number of cell contents and resulted in bacterial death. We used liposome system and Nanodiscs and to study the mechanism of ORBK antimicrobial peptides . Result showed the ORBK antimicrobial peptides's effect on bacterial membrane caused the leakage of the contents and resulted in bacterial death. 3. D29P63 and PK34 are D29 Mycobacteriophage peptides which can be used to prepare anti-TB drugs formulations. We successfully obtained these two peptides by genetic engineering method and for the first time completely identified their main chain atoms by liquid nuclear magnetic resonance technology |

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