单词 | adhesin |
释义 | adhesinad·he·sinA5090100 (ăd-hē′sĭn, -zĭn)adhesinadhesin(ăd-hē′sĭn, -zĭn)AdhesinAny of a number of bacterial virulence factors—e.g., pili in Pseudomonas aeruginosa, lipotechoic acid in group A streptococci—which jut from the surface of the bacteria and bind to glycoprotein or glycolipid receptors on host epithelial cells, facilitating bacterial adherence, a critical step in bacterial infections. Adhesins are useful targets for experimental vaccines, which reduce colonisation by uropathogenic E coli. Adhesins explains the pulmonary morbidity due to P aeruginosa seen in intubated ITU/ICU patients, and UTIs caused by E coli are mediated by MS and MR adhesins, which may be inhibited by fruit juices.adhesina microbial surface component, for example FIMBRIA or PILUS, that mediates ADHESION of a microorganism to a cell or substratum. Adhesion to specific host RECEPTORS is often a preliminary stage in pathogenesis (see PATHOGEN). Adhesins are important VIRULENCE factors. |
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