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从海洋细菌中阐明潜在的抗菌肽

Potential Antimicrobial Peptides Elucidation from the Marine Bacteria.

作者信息

Barik Adyasa, Rajesh Pandiyan, Malathi Manthiram, Balasubramanian Vellaisamy

机构信息

Eco-Microbiology Laboratory, Department of Microbiology, Alagappa University, Science Campus, Karaikudi-630 003, Tamil Nadu, India.

Department of Biochemistry, Karpagam Academy of Higher Education, Karpagam University, Coimbatore-641021, Tamil Nadu, India.

出版信息

Cardiovasc Hematol Agents Med Chem. 2021;19(2):131-149. doi: 10.2174/1871525718666200512074400.

Abstract

In recent years, excessive use of antibiotics has been raising its head to a serious problem all around the world, as pathogens become drug-resistant and create challenges to the medical field. This failure of the most potent antibiotics that kill pathogens increases the thirst for researchers to look for another way of killing pathogens. It has led to the findings of antimicrobial peptide, which are the most potent peptides to destroy pathogens. This review gives special emphasis to the usage of marine bacteria and other microorganisms for antimicrobial peptide (AMP), which are eco-friendly as well as a developing class of natural and synthetic peptides with a wide spectrum of targets to pathogenic microbes. Consequently, a significant attention has been paid mainly to (i) the structure and types of antimicrobial peptides and (ii) mode of action and mechanism of antimicrobial peptide resistance to pathogens. In addition to this, the designing of AMPs has been analyzed thoroughly for reducing toxicity and developing better potent AMP. It has been done by the modified unnatural amino acids by amidation to target the control of biofilm and persister cells.

摘要

近年来,随着病原体产生耐药性并给医学领域带来挑战,抗生素的过度使用已在全球范围内成为一个严重问题。最有效的杀病原体抗生素失效,这促使研究人员渴望寻找另一种杀灭病原体的方法。这导致了抗菌肽的发现,抗菌肽是最有效的破坏病原体的肽。本综述特别强调利用海洋细菌和其他微生物来生产抗菌肽(AMP),这些抗菌肽既环保,又是一类正在发展的天然和合成肽,对致病微生物具有广泛的靶向性。因此,主要集中关注了以下两点:(i)抗菌肽的结构和类型;(ii)抗菌肽对病原体的作用方式和耐药机制。除此之外,还对AMP的设计进行了深入分析,以降低毒性并开发出更强效的AMP。这是通过对非天然氨基酸进行酰胺化修饰来实现的,以靶向控制生物膜和持留菌细胞。

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