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抗菌肽是由少于100个氨基酸组成的,是机体组织器官在进行外界防御时产生的一种具有抗菌活性的生物多肽。抗菌肽是多细胞生物有机体天然免疫系统的主要组成部分。从原核生物到高等真核生物及其组成中均发现抗菌肽,抗菌肽成为宿主防御的第一道防线。文章对抗菌肽的来源、生物学功能、作用机理及在水产养殖中的应用进行了综述。
Antimicrobial peptides are composed of less than 100 amino acids, is an antimicrobial activity of biological polypeptides produced in the body’s tissues and organs in the defense of the outside world. Antimicrobial peptides are a major component of the innate immune system of multicellular organisms. Antibacterial peptides have been found from prokaryotes to higher eukaryotes and their composition, and antimicrobial peptides become the first line of defense against host defense. The article reviewed the origin, biological function, mechanism of action of antimicrobial peptides and their application in aquaculture.