1.Defensin is a widely existed antimicrobial peptide in plants, insects and mammals.

1.防一种广泛存在于动植物界的抗菌多肽。

2.Human defensins,found in the blood,intestinal tract and epithelial cells,are small,cystin-rich cationic peptides with special structure.

2.人类防一种存在于血液、肠道及皮细胞中具有特殊空间,含精氨酸的阳离子多肽。

3.Defensin,existing in the right arm of the second chromosome of drosophila melanogaster,encodes a product which possesses an anti-bacterial peptide activity and resists Gram-positive bacteria.

3.由于其有牢固的分子骨架、广泛的分布以及生物活性,对它的研究已成为当前国际研究热点。