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Abstract

The global prevalence of antimicrobial resistance and Extended-Spectrum and AmpC Beta- Lactamases is continuously widespread among Escherichia coli during recent years, especially in Viet Nam. In Viet Nam, there have been researches on ESBL and AmpC-carrying E. coli inhabiting animal and human. However, studies of antimicrobial resistance in E. coli residing in pets, especially dogs are unavailable. The aim of the study was to investigate the antimicrobial sensitivity testing (AST), the resistance to 3rd cephalosporin and penicillin, also to assess the molecular detection of ESBL and Amp-C-beta -lactamase in E. coli isolates inhabiting the digestive tract of dogs at kennels Dak Lak. By using double disk synergy test (DDST), and ceftazidime-imipenem antagonism test (CIAT) to detect phenotypic characteristic of E. coli strains producing extended-spectrum beta- lactamases (ESBLs) and plasmid-mediated Amp-C-beta -lactamase, and by using multiplex polymerase chain reaction (multiplex PCR) to confirm the presence of ESBL genes (class A): blaCTX-M(1;2;8;9;25), bla TEM, bla SHV , bla OXA and genes encoding AmpC-type beta lactamase (class C): bla MOX-1;2 , bla CMY- (1;2-7;8-11) , blaLAT-(1;4) ,bla DHA-(1;2), bla ACC, bla FOX-(1-5B) ,bla MIR-1 ,bla ACT-1. From of three hundred twelve bacteial strains isolated from sixty-four rectal swabs two hundred sixty-nine E. Coli, isolates accounting for 86%, were identified and isolated, forty-four (16%) and twelve (4%) E. coli isolates encoding with ESBL and Amp-C-beta -lactamases. From molecular diagnosis with regard to phenotype, production of ESBL was shown in thirty-nine (15%) E. coli isolates and Amp-C enzymes in eight (3%) E. coli isolates. The high percentage of E. coli exhibiting antibiotic resistance revealed the accelerated overuse of antibiotics. Result of this study will contribute to the monitoring of epidemiologic resistance.



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Issue: Vol 5 No 2 (2021)
Page No.: 1198-1207
Published: May 3, 2021
Section: Original Research
DOI: https://doi.org/10.32508/stdjns.v5i2.996

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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Le, K., Vo, C., Tran, X., Dang, H., Nguyen, H., Phan, T., Campbell, J., & Nguyen, H. (2021). Carriage of ESBL and Amp-C -b -lactamase among Escherichia coli strains isolated from dogs in kennels Dak Lak province. Science & Technology Development Journal: Natural Sciences, 5(2), 1198-1207. https://doi.org/https://doi.org/10.32508/stdjns.v5i2.996

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