Incidence of enteritis of Enterobacteriaceae isolates possessing human colonization factor antigen. New human colonization factors.

E Czirók, M Csík, M Börzsönyi
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Abstract

Of 462 Enterobacteriaceae strains including 435 Escherichia coli isolated from 250 patients, 298 haemagglutinating (HA) cultures were classified into 36 different HA groups. Sixteen of them belonged to Evan's I or II groups, although none possessed CF I or CF II antigen detectable by slide agglutination. Seventy-seven strains showed 4+ mannose resistant (MR) HA with human (53), bovine (2), chicken (6), guinea pig (7) or human and guinea pig (9) erythrocytes. These strains were significantly more frequent in patients under one year of age. Eighty-eight percent of the typable strains belonged to E. coli serogroups O1, O2, O4, O6, O18. HA positivity and fimbrial structures were correlated in 2 isolates (15/1, O18a, c:-K77: H-; 12/2/1 O1: K1: H .). Fimbriae of the two strains exhibited adhesive properties. Their fimbrial antigens differed serologically from each other and from those of the reference strains H 10407 and PB 176. Forty-nine of 4+ human MRHA strains showed variable reactions in the two sera for the new fimbrial antigens.

具有人类定植因子抗原的肠杆菌科分离株的肠炎发病率。新的人类殖民因素。
从250例患者中分离的462株肠杆菌科菌株中,包括435株大肠杆菌,298株血凝素(HA)培养物被分为36个不同的HA组。其中16例属于Evan的I或II组,尽管没有一个具有通过玻片凝集检测到的CF I或CF II抗原。77株毒株对人(53株)、牛(2株)、鸡(6株)、豚鼠(7株)或人、豚鼠(9株)红细胞表现出4+甘露糖耐药(MR) HA。这些菌株在一岁以下的患者中更为常见。88%的分型菌株属于大肠杆菌血清群O1、O2、O4、O6、O18。2个分离株(15/1,O18a, c:- k77: H-;12/2/1 o1: k1: h)。两菌株的菌毛均表现出粘附性。它们的毛膜抗原在血清学上存在差异,并且与参考菌株h10407和pb176的毛膜抗原也存在差异。49株4+人MRHA菌株在两种血清中对新抗原表现出不同的反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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