Design and characterization of novel hybrid peptides from LFB15(W4,10), HP(2-20), and cecropin A based on structure parameters by computer-aided method
文献类型: 外文期刊
第一作者: Tian, Zi-gang
作者: Tian, Zi-gang;Dong, Tian-tang;Teng, Da;Yang, Ya-lin;Wang, Jian-hua
作者机构:
关键词: Antimicrobial peptides;Computer-aided method;Design;Structure parameters
期刊名称:APPLIED MICROBIOLOGY AND BIOTECHNOLOGY ( 影响因子:4.813; 五年影响因子:4.697 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The increasing problem of antibiotic resistance among pathogenic bacteria requires development of new antimicrobial agents. The pivotal assets of the antimicrobial peptide include potential for rapid bactericidal activity and low propensity for resistance. The four new antimicrobial hybrid peptides were designed based on peptides LFB15(W4,10), HP(2-20), and cecropin A according to the structure-activity relationship of the amphipathic and cationic antimicrobial peptides. Their structural parameters were accessed by bioinformatics tools, and then two hybrids with the most potential candidates were synthesized. The hybrid peptide LH28 caused an increase in antibiotic activity (MIC_(50)∈=∈1.56-3.13 μM) against given bacterial strains and did not cause obvious hemolysis of rabbit erythrocytes at concentration of 3.13 μM with effective antimicrobial activity. The results demonstrate that evaluating the structural parameters could be useful for designing novel antimicrobial peptides.
分类号: Q939.9
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