Serotypes and virulence genes of ovine non-O157 Shiga toxin-producing Escherichia coli in Switzerland

International Journal of Food Microbiology
C ZweifelR Stephan

Abstract

Sixty ovine STEC strains were examined with the aim (i) to serotype the strains, (ii) to characterize virulence factors, and (iii) to discuss possible associations between these factors and to assess the potential pathogenicity of these strains for humans. The 60 sorbitol-positive, non-O157 STEC strains belonged to 19 O:H serotypes, whereas 68% were of five serotypes (O87:H16, O91:H-, O103:H2, O128:H2, O176:H4). 52% belonged to serotypes reported in association with HUS. Five serotypes were not previously reported in sheep strains. Of the 47 strains encoding for stx1 variants, 57% were stx1c- and of the 45 encoding for stx2 variants, 80% were stx2d-positive. Eighty-two percent of the strains showed further putative virulence factors: 13% were eae-, 60% ehxA- and 67% saa-positive. The associations between harboring (i) eae and stx1, stx2, ehxA or no saa and (ii) saa and stx1c or stx2d were significant (P<0.05). The strains belonged to 27 seropathotypes (association between serotypes and virulence factors), but 57% belonged to only six and O91:H-stx1 stx2d saa and O128:H2 stx1c stx2d ehxA saa were the most common. Seven of the eight intimin-positive strains harbored eae. Four strains of serotype O103:H2 and O121:H10 harboring stx...Continue Reading

References

Feb 1, 1994·Medical Microbiology and Immunology·H SchmidtH Karch
Jul 1, 1995·Zentralblatt für Veterinärmedizin. Reihe B. Journal of veterinary medicine. Series B·A P BurnensJ Nicolet
Nov 5, 1997·Australian Veterinary Journal·V Haring, P Desmarchelier
Nov 18, 1997·Epidemiology and Infection·P A ChapmanM A Harkin
May 7, 1998·The Veterinary Record·G Dell'OmoA Caprioli
May 29, 1999·Letters in Applied Microbiology·N Fegan, P Desmarchelier
Mar 4, 2000·Applied and Environmental Microbiology·H SchmidtH Karch
Jul 6, 2000·Symposium Series·K A Bettelheim
Jan 3, 2001·Applied and Environmental Microbiology·H KobayashiK Yamamoto
Sep 20, 2001·Epidemiology and Infection·A M UrdahlY Wasteson
Jan 5, 2002·The Journal of Infectious Diseases·Alexander W FriedrichHelge Karch
Jan 1, 1997·Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases·Denis PiérardSabine Lauwers
Nov 27, 2002·Applied and Environmental Microbiology·Michael A HornitzkySteven P Djordjevic
Nov 28, 2002·Journal of Clinical Microbiology·W L ZhangH Schmidt
Apr 19, 2003·Journal of Clinical Microbiology·Claire JenkinsJames C Paton
May 8, 2003·Journal of Clinical Microbiology·Christine BürkErwin Märtlbauer

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Citations

Apr 12, 2012·Applied and Environmental Microbiology·Lin T BrandalGeorg Kapperud
Oct 18, 2011·Applied and Environmental Microbiology·Aine MonaghanDeclan J Bolton
Nov 17, 2006·Journal of Clinical Microbiology·Karin BallmerHerbert Hächler
Feb 5, 2011·Emerging Infectious Diseases·Ursula KäppeliRoger Stephan
Oct 1, 2013·Applied and Environmental Microbiology·Camilla SekseAnne Margrete Urdahl
Jul 10, 2013·Expert Opinion on Drug Metabolism & Toxicology·Roberto MandrioliMaria Augusta Raggi
Jun 23, 2009·International Journal of Food Microbiology·Camilla SekseHannah Joan Jørgensen
Apr 18, 2008·Veterinary Microbiology·Taurai TasaraRoger Stephan
Dec 5, 2013·Microbiology and Immunology·Lutz GeueRalf Ehricht
Oct 30, 2009·Journal of Applied Microbiology·D DöpferA M Urdahl
Sep 21, 2005·Research in Microbiology·Paula M A LucchesiAlberto E Parma
Dec 27, 2011·International Journal of Food Microbiology·Claudia PicozziRoberto Foschino
Feb 13, 2010·International Journal of Food Microbiology·Robert L Buchanan, Bernd Appel
Nov 12, 2015·Journal of Food Protection·Angela R Melton-CelsaPeter C H Feng
Mar 20, 2004·Journal of Veterinary Medicine. B, Infectious Diseases and Veterinary Public Health·E C MercadoM A Méndez
Apr 25, 2007·Critical Reviews in Microbiology·Karl A Bettelheim

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