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生物抗菌肽研究进展及应用前景 被引量:20

Advances in studies of antmicrobial peptide
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摘要 生物抗菌肽 (antibacterialpeptides)广泛存在于昆虫、植物、动物及人体内 ,有非特异性抗细菌、真菌、病毒和肿瘤细胞的作用 ,又称为肽抗生素 (peptideantibiotics)。抗菌肽是通过其两亲性正电荷与细菌细胞膜磷脂分子负电荷的静电吸引而结合在细菌膜上 ,疏水端插入细胞膜中 ,最终通过膜内分子间的位移而聚集在一起形成离子通道 ,使细菌失去膜电势 ,不能维持正常渗透压而死亡。抗菌肽杀菌力强 ,抗菌谱广 ,不良反应少 ,将会给临床医学、临床药学、食品防腐。
出处 《国外医学(临床生物化学与检验学分册)》 2004年第2期131-133,共3页 Foreign Medical Sciences(section of Clinical Biochemistry and Laboratory Medicine
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