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liyan20220: ½ð±Ò+5, ·ÒëEPI+1 2014-01-14 20:30:45
liyan20220: ½ð±Ò+5, ·ÒëEPI+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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