O serogroups, biotypes, and eae genes in Escherichia coli strains isolated from diarrheic and healthy rabbits.

Journal of Clinical Microbiology
J E BlancoW H Jansen

Abstract

A total of 305 Escherichia coli strains isolated from diarrheic and healthy rabbits in 10 industrial fattening farms from different areas of Spain were serotyped, biotyped, and tested for the presence of the eae gene and toxin production. The characteristics found in strains isolated from healthy rabbits were generally different from those observed in E. coli strains associated with disease. Thus, strains with the eae gene (74% versus 22%); strains belonging to serogroups O26, O49, O92, O103, and O128 (64% versus 12%); rhamnose-negative strains (51% versus 5%); and rhamnose-negative O103 strains with eae genes present (41% versus 1%) were significantly (P < 0.001 in all cases) more frequently detected in isolates from diarrheic animals than in those from healthy rabbits. Whereas a total of 35 serogroups and 17 biotypes were distinguished, the majority of the strains obtained from diarrheic rabbits belonged to only four serobiotypes, which in order of frequency were O103:B14 (72 strains), O103:B6 (16 strains), O26:B13 (12 strains), and O128:B30 (12 strains). These four serobiotypes accounted for 48% (112 of 231) and 5% (4 of 74) of the E. coli strains isolated from diarrheic and healthy rabbits, respectively. Only six strains we...Continue Reading

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Citations

Jun 10, 2006·Foodborne Pathogens and Disease·Shelton E Murinda, Stephen P Oliver
Mar 9, 2007·Clinical and Vaccine Immunology : CVI·Mélanie GalloisSéverine Boullier
May 10, 2006·Clinical and Vaccine Immunology : CVI·Muna F AnjumRalf Ehricht
Aug 11, 2010·Letters in Applied Microbiology·D FernándezA E Parma
Jul 18, 2006·FEMS Microbiology Letters·Daniel R SheltonChitrita Debroy
Apr 29, 2010·Veterinary Research·Marjorie BardiauJacques G Mainil
Oct 24, 2007·Emerging Infectious Diseases·Robert S GerrishMalcolm S Shields
May 27, 2003·Cytometry. Part a : the Journal of the International Society for Analytical Cytology·Séverine BoullierAlain Milon
Dec 19, 2019·Animals : an Open Access Journal From MDPI·Luis SolansAna B Fernández

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