以往普遍的观点认为,埃希菌属、沙门氏菌属等肠杆科菌表面的菌毛功能主要与细菌粘附及侵袭力有关,其本身的组成成份与其致病性无直接关系。但近十余年的研究发现,埃希菌属、沙门氏菌属的一种“curli”菌毛的成分与临床上的脓毒症(sepsis)、败血症(septicemia)、感染性休克(sept The prevailing view was that the fimbriae on the surface of Enterobacteriaceae such as Escherichia and Salmonella were mainly related to bacterial adhesion and invasiveness, and their own components were not directly related to their pathogenicity. However, more than ten years of research have found that the components of a “curli” pili of the genus Escherichia and Salmonella are associated with clinical sepsis, septicemia, sept