Intestinal tissue E coll Bacteria Skin Adhesin (ligand Microbe cel surface Receptor 1 um 10m (a) Surface molecules on a pathogen, called (b)Selective attachment of a adhesins or ligands, bind specifically to (c) Bacteria adhering to the pathogenic strain of E. coli to the skin of a salamander complementary surface receptors on intestinal tissue of a rabbit Figure 15.1 Adherence 很多吸附素是糖蛋白或脂蛋白 Most adhesins are glycoproteins or lipoproteins 病原物表面的糖蛋白/脂蛋白(配体/粘素分子) 与宿主细胞表面受体结合,选择性吸附 2021/10/18 2121 很多吸附素是糖蛋白或脂蛋白 2021/10/18 病原物表面的糖蛋白/脂蛋白（配体/粘素分子） 与宿主细胞表面受体结合，选择性吸附