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Analysis of P fimbriae on Escherichia coli O2, O4, and O6 strains by immunoprecipitation

1986; American Society for Microbiology; Volume: 51; Issue: 2 Linguagem: Inglês

10.1128/iai.51.2.618-625.1986

1098-5522

A Père, V Väisänen-Rhen, Mikael Rhen, Jukka Tenhunen, T K Korhonen,

Escherichia coli research studies

P fimbriae on Escherichia coli O2, O4, and O6 strains were analyzed by immunoprecipitation. Fimbrial extracts were prepared from a total of 35 strains and tested for precipitation with four anti-P-fimbria sera. The overall fimbrial composition of the strains was related to the O:K:H serotype, and two to three P fimbrial variants per strain were found on most of the O4 and some of the O6 strains. The O2 strains, in contrast, showed only one antigenic variant of P fimbriae per strain, which was serologically unrelated to those of the O4 and O6 strains. The results stress the multiplicity and serological complexity of E. coli P fimbriae.