Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms

The present study was undertaken to determine the antimicrobial resistance patterns and plasmid fingerprints of commensal Escherichia coli isolated from Lebanese broiler chickens. To that end, a total of 30 E. coli isolates were collected from 15 semi-open broiler farms from North Lebanon and Bekaa...

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Main Authors: Houssam Shaib, Paul Aoun, Ahmad Ghaddar, Hamza Al Labadi, Youssef Obeid
Format: Article
Language:English
Published: Wiley 2023-01-01
Series:International Journal of Microbiology
Online Access:http://dx.doi.org/10.1155/2023/8811675
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author Houssam Shaib
Paul Aoun
Ahmad Ghaddar
Hamza Al Labadi
Youssef Obeid
author_facet Houssam Shaib
Paul Aoun
Ahmad Ghaddar
Hamza Al Labadi
Youssef Obeid
author_sort Houssam Shaib
collection DOAJ
description The present study was undertaken to determine the antimicrobial resistance patterns and plasmid fingerprints of commensal Escherichia coli isolated from Lebanese broiler chickens. To that end, a total of 30 E. coli isolates were collected from 15 semi-open broiler farms from North Lebanon and Bekaa Valley. Results showed that all the isolates were resistant to at least nine out of 18 evaluated antimicrobial agents. The best-performing antibiotic families were Carbapenems (Imipenem) and Quinolones (Ciprofloxacin and Norfloxacin) to which only 0.0 and 8.3% of the isolates were resistant, respectively. Fifteen various plasmid profiles were depicted, and all the isolates were found to possess one or multiple plasmids. The plasmid sizes varied from 1.2 to 21.0 kbp, and the most commonly detected plasmid had a size of 5.7 kbp (23.3% of the isolates). There was no significant association between the number of plasmids per isolate and resistance to a particular drug. Nevertheless, the presence of specific plasmids, namely, the 2.2 or 7.7 kbp sized ones, was strongly correlated to Quinolones or Trimethoprim resistance, respectively. Both the 7.7 and 6.8 kbp plasmids showed mild correlation to Amikacin resistance, and the 5.7 kbp plasmid was mildly correlated to Piperacillin-Tazobactam resistance. Our findings highlight the need to revise the list of antimicrobials currently used in Lebanese poultry and associate the presence of specific plasmids to antimicrobial resistance patterns in E. coli isolates. The revealed plasmid profiles could also serve any future epidemiological investigation of poultry disease outbreaks in the country.
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spelling doaj-art-8114c156c506468094b6213eb1a4c00f2025-02-03T06:47:31ZengWileyInternational Journal of Microbiology1687-91982023-01-01202310.1155/2023/8811675Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler FarmsHoussam Shaib0Paul Aoun1Ahmad Ghaddar2Hamza Al Labadi3Youssef Obeid4Department of AgricultureDepartment of AgricultureDepartment of AgricultureDepartment of AgricultureDepartment of AgricultureThe present study was undertaken to determine the antimicrobial resistance patterns and plasmid fingerprints of commensal Escherichia coli isolated from Lebanese broiler chickens. To that end, a total of 30 E. coli isolates were collected from 15 semi-open broiler farms from North Lebanon and Bekaa Valley. Results showed that all the isolates were resistant to at least nine out of 18 evaluated antimicrobial agents. The best-performing antibiotic families were Carbapenems (Imipenem) and Quinolones (Ciprofloxacin and Norfloxacin) to which only 0.0 and 8.3% of the isolates were resistant, respectively. Fifteen various plasmid profiles were depicted, and all the isolates were found to possess one or multiple plasmids. The plasmid sizes varied from 1.2 to 21.0 kbp, and the most commonly detected plasmid had a size of 5.7 kbp (23.3% of the isolates). There was no significant association between the number of plasmids per isolate and resistance to a particular drug. Nevertheless, the presence of specific plasmids, namely, the 2.2 or 7.7 kbp sized ones, was strongly correlated to Quinolones or Trimethoprim resistance, respectively. Both the 7.7 and 6.8 kbp plasmids showed mild correlation to Amikacin resistance, and the 5.7 kbp plasmid was mildly correlated to Piperacillin-Tazobactam resistance. Our findings highlight the need to revise the list of antimicrobials currently used in Lebanese poultry and associate the presence of specific plasmids to antimicrobial resistance patterns in E. coli isolates. The revealed plasmid profiles could also serve any future epidemiological investigation of poultry disease outbreaks in the country.http://dx.doi.org/10.1155/2023/8811675
spellingShingle Houssam Shaib
Paul Aoun
Ahmad Ghaddar
Hamza Al Labadi
Youssef Obeid
Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
International Journal of Microbiology
title Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
title_full Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
title_fullStr Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
title_full_unstemmed Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
title_short Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
title_sort multidrug resistance and plasmid profiles of escherichia coli isolated from lebanese broiler farms
url http://dx.doi.org/10.1155/2023/8811675
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