New haemagglutinating fimbriae on Escherichia coli strains isolated from urine.

B Kuch, T Pál, L Emödy
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Abstract

The haemagglutination patterns of 255 urinary Escherichia coli isolates were examined with human (A, Rh+), bovine, chicken and guinea pig erythrocytes in the presence and absence of D-mannose. The strains were divided into four groups according to their haemagglutination properties. About 40% of the isolated agglutinated human red blood cells in the presence of D-mannose. The haemagglutinin of one of these. E. coli O18a, c: K- strain No. 119 was stable, temperature sensitive, did not develop at 18 degrees C and could be isolated by the methods used for the production of fimbriae. Electron microscopy showed fimbriae on the surface of Strain No. 119. An absorbed serum prepared from a derivative cured of haemagglutinating property (No. 119/1) agglutinated all the strains haemagglutinating human erythrocytes in the presence of mannose, but none of those having other haemagglutination patterns. Serologically, the antigen of No. 119 is independent of the K88, K99, "987" and CF I factors and shows some relationship to CF II.

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从尿液中分离的大肠埃希菌的新血凝菌毛。
在存在和不存在d -甘露糖的情况下,用人(A、Rh+)、牛、鸡和豚鼠红细胞检测了255株尿中大肠杆菌的血凝模式。根据其血凝特性将菌株分为4组。在d -甘露糖存在的情况下,大约40%的分离的人红细胞凝集。血凝素其中一种的血凝素大肠杆菌O18a, c: K- 119菌株稳定,对温度敏感,在18℃下不发育,可以用生产菌毛的方法分离得到。电镜观察发现菌株119表面有菌毛。从具有血凝特性的衍生物制备的吸收血清(No. 119/1)在甘露糖的存在下凝集了所有具有血凝性的人红细胞,但没有其他血凝模式。血清学上,119号抗原与K88、K99、“987”和CF I因子无关,与CF II因子有一定关系。
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Immunological approach to the pathogenetical role of Escherichia coli adhesive factor "119" in a suckling mouse urinary tract model. Pilus antigen 987P produced by strains of Escherichia coli serotypes O141:K--, H- and O8:K85:H--. Protective role of O antigen in Salmonella typhi-murium infection. Higher resistance of germfree mice to dianhydrodulcitol, a lymphotropic cytostatic agent. [Use of the rabbit testicular cells in the plaque assay for herpesvirus hominis type 1 and 2].
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