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Screening of AmpC-/ESBL-producing Escherichia coli isolates from livestock for STEC/EHEC virulence genes

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Screening of AmpC-/ESBL-producing Escherichia coli isolates from livestock for STEC/EHEC virulence genes (EL)
Screening of AmpC-/ESBL-producing Escherichia coli isolates from livestock for STEC/EHEC virulence genes (EN)
PEHLIVANOGLU, F
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2021-10-30
ΔΕΝ ΔΙΑΤΙΘΕΤΑΙ ΠΕΡΙΛΗΨΗ (EL)
Livestock is an important reservoir of Shiga toxin-producing Escherichia coli and enterohemorrhagic E. coli (STEC/EHEC) strains and acts as a significant source of transmission to humans. In addition to the virulence of STEC/EHEC isolates, antibiotic resistance is also an escalating problem in these bacteria and increases the risk to public health. Therefore, the present study aimed to explore E. coli O157:H7 serotype and STEC/EHEC virulence genes in AmpC- and extended-spectrum beta-lactamase (ESBL)-producing E. coli isolates from cattle, chicken and sheep. A total of 61 confirmed AmpC- or ESBL-producing E. coli isolates were screened for the virulence genes (stx1, stx2, eae, ehxA, espP, katP and saa) and E. coli O157 (rfbO157) and H7 (fliCH7) genes by polymerase chain reaction (PCR). None of the ESBL-producing E. coli was positive for these genes, but six multidrug-resistant AmpC-producing E. coli were positive for the fliCH7 gene only. When considering the function of the H7 flagellar antigen of E. coli, it may be concluded that the development of ESBL/AmpC beta-lactamase production in the E. coli isolates with H7 flagella, which reside in the chicken intestine, may be potentially important for public health regarding both virulence and antimicrobial resistance. (EN)
AmpC (EL)
Escherichia coli (EL)
ESBL (EL)
multidrug resistant (EL)
fliCH7 (EL)
AmpC (EN)
Escherichia coli (EN)
ESBL (EN)
multidrug resistant (EN)
fliCH7 (EN)
Περιοδικό της Ελληνικής Κτηνιατρικής Εταιρείας
English
Hellenic Veterinary Medical Society / Ελληνική Κτηνιατρική Εταιρεία (EN)
1792-2720
2585-3724
Περιοδικό της Ελληνικής Κτηνιατρικής Εταιρείας; Τόμ. 72 Αρ. 3 (2021); 3147-3150 (EL)
Journal of the Hellenic Veterinary Medical Society; Vol. 72 No. 3 (2021); 3147-3150 (EN)
https://creativecommons.org/licenses/by-nc/4.0
Copyright (c) 2021 F PEHLIVANOGLU (EN)
Hellenic Veterinary Medical Society
Journal of the Hellenic Veterinary Medical Society
Research Articles



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