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yu lei - fang yu su de yan jiu jin zhan
Author(s): 
Pages: 321-327
Year: Issue:  4
Journal: Chinese Bulletin of Life Sciences

Keyword:  fishβ-defensingene structurebiological activitybiological evolution;
Abstract: β-防御素是一种具有六个保守的半胱氨酸位点的阳离子两亲性小分子多肽,是抗菌肽的重要成员。随着基因组学研究的不断深入,目前在鱼类中发现了20个β-防御素基因,其基因结构均是由3个外显子和2个内含子组成,并且具有广谱抗菌活性及抗病毒活性。主要从分子结构、组织分布、基因结构、生物学活性以及生物进化等方面对鱼类β-防御素的研究概况进行综述。
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