Virulence, Resistance Profile, Antimicrobial Resistance Genes of ESBLs, XDR Escherichia coli Isolated from Ducks

Reham M.  El-Tarabili; Al-Shaimaa T.  Hanafy; Tamer M.  El Feky

Virulence, Resistance Profile, Antimicrobial Resistance Genes of ESBLs, XDR Escherichia coli Isolated from Ducks

2023

Reham M. El-Tarabili | Al-Shaimaa T. Hanafy | Tamer M. El Feky

Ducks are possible carriers of zoonotic diseases to humans. Public health is impacted by the widespread dissemination of Enterobacteriaceae carrying extended-spectrum-lactamase (ESBL) genes. The prevalence of antimicrobial resistance in Escherichia coli isolated from Egyptian ducks, as well as the molecular characteristics of ESBLs to ESBLs genes and non-ESBLs genes, were studied.15% E. coli isolates were recovered from duck, and all of them were virulent as hemolytic and congo red positive. All ESBL-producing E. coli isolates were resistant to tetracycline, and nalidixic acid and 83.3% of isolates were also resistant to trimethoprim/sulfamethoxazole, penicillin, both ceftazidime, and cefotaxime. Recovered ESBL-producing E. coli strains harbored qnrA, tetA, sul1, blaTEM, blaCTX-M, aadA1, blaOXA-1, and blaSHV antimicrobial-resistance genes with a prevalence of 100%, 100%,83.3%, 83.3%, 83.3%, 75%, 58.3%, and 41.6%, respectively. 33.3% of the ESBL-producing E. coli isolates were MDR, and 66.7% were recognized as XDR. The extension of ESBLs- E. coli threatens public health should be carefully monitored.

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