ArticleApplied and environmental microbiology2007
Impact of antimicrobial usage on antimicrobial resistance in commensal Escherichia coli strains colonizing broiler chickens.
Article in Applied and environmental microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 1 of them a synthesis that pooled it.
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Who cites it
47 citing papers in PubMed, 1 synthesis or guideline pooled it, 145 citations in OpenAlex.
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- Avian PathogenicAntibiotics (Basel, Switzerland) · 2024Review
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- Risk Factors and Molecular Mechanism of Polymyxin B Resistance in Carbapenem-ResistantInfection and drug resistance · 2022Article
- Intestinal Colonization with Carbapenem-Resistant Enterobacteriaceae in Acute Leukemia Patients: Risk Factors and Molecular Characteristics.Infection and drug resistance · 2022Article
- Acquisition of a Stable and TransferableFrontiers in cellular and infection microbiology · 2021Article
- High incidence of multidrug resistance and class 1 and 2 integrons inVeterinary research forum : an international quarterly journal · 2021Article
- A Review of Antimicrobial Resistance in Poultry Farming within Low-Resource Settings.Animals : an open access journal from MDPI · 2020Review
- High occurrence of CMY-2-type beta-lactamase-producing Escherichia coli among broiler flocks in Turkey.Tropical animal health and production · 2020Article
- Microbial load and antibiotic resistance in raw beef preparations from northwest Spain.Food science & nutrition · 2020Article
- The Role of theFrontiers in microbiology · 2020Article
- Longitudinal Shedding Patterns and Characterization of Antibiotic ResistantAntibiotics (Basel, Switzerland) · 2019Article
- Prevalence of antibiotic-resistant E. coli in broilers challenged with a multi-resistant E. coli strain and received ampicillin, an organic acid-based feed additive or a synbiotic preparation.Poultry science · 2019Article
- The application of antibiotics in broiler production and the resulting antibiotic resistance in Escherichia coli: A global overview.Poultry science · 2019Review
- The first report of emerging mobilized colistin-resistance (Infection and drug resistance · 2019Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Escherichia coli strains isolated from commercial broilers and an experimental flock of chickens were screened to determine phenotypic expression of antimicrobial resistance and carriage of drug resistance determinants. The goal of this study was to investigate the influence of oxytetracycline, sarafloxacin, and enrofloxacin administration on the distribution of resistance determinants and strain types among intestinal commensal E. coli strains isolated from broiler chickens. We detected a high prevalence of resistance to drugs such as tetracycline (36 to 97%), sulfonamides (50 to 100%), and streptomycin (53 to 100%) in E. coli isolates from treated and untreated flocks. These isolates also had a high prevalence of class 1 integron carriage, and most of them possessed the streptomycin resistance cassette, aadA1. In order to investigate the contribution of E. coli strain distribution to the prevalence of antimicrobial resistance and the resistance determinants, isolates from each flock were DNA fingerprinted by enterobacterial repetitive intergenic consensus sequence (ERIC) PCR. Although very diverse E. coli strain types were detected, four ERIC strain types were present on all of the commercial broiler farms, and two of the strains were also found in the experimental flocks. Each E. coli strain consisted of both susceptible and antimicrobial agent-resistant isolates. In some instances, isolates of the same E. coli strain expressed the same drug resistance patterns although they harbored different tet determinants or streptomycin resistance genes. Therefore, drug resistance patterns could not be explained solely by strain prevalence, indicating that mobile elements contributed significantly to the prevalence of resistance.
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Registered trials
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