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  • Title: Incidence of enteritis of Enterobacteriaceae isolates possessing human colonization factor antigen. New human colonization factors.
    Author: Czirók E, Csík M, Börzsönyi M.
    Journal: Acta Microbiol Acad Sci Hung; 1981; 28(1):119-27. PubMed ID: 6114616.
    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.
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