肠贾第鞭毛虫(G.intestinalis)滋养体的几种蛋白质目前已研究清楚,其吸盘中有一类大约30kDa的结构蛋白,又称为贾第虫素(giardin),这种蛋白质具有酸性等电点,其编码序列已经测定。已知的有3种,分别为α、β和γ贾第虫素,相应的分子量大约为33kDa、29kDa和38kDa。而对鼠贾第鞭毛虫(G.muris)的研究很少,为了增进对宿主抗贾第虫的免疫应答的了解,本文作者用生物素对鼠贾第鞭毛虫的表面蛋白进行标记,通过双向凝胶电泳测定被生物素标记的蛋白质的 Several proteins from the gut trophozoites of G. gingivalis have been well-studied now, and there is a class of about 30 kDa structural proteins in their sucker, also known as giardin, which has acidic isoelectric Point, its coding sequence has been determined. There are three known α, β and γ Giardia, the corresponding molecular weight of about 33kDa, 29kDa and 38kDa. However, little research has been done on G. muris. In order to improve understanding of the host immune response against Giardia, the authors used biotin to mark the surface proteins of the mouse Giardia, Gel electrophoresis was used to determine the amount of biotinylated protein