ArticleApplied and environmental microbiology2008
Associations between antimicrobial resistance genes in fecal generic Escherichia coli isolates from cow-calf herds in western Canada.
Article in Applied and environmental microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 87 citations in OpenAlex.
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- Widespread Multidrug Resistance and Virulence Determinants inAntibiotics (Basel, Switzerland) · 2026Article
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- Reassessing the role of wild birds in the spread of antibiotic resistance: the white stork as a model species in studying populations from Central European river valley.Microbiology spectrum · 2025Article
- Prevalence of pathogens and antimicrobial resistance of isolated Staphylococcus spp. in bovine mastitis milk in South Korea, 2018-2022.The Journal of veterinary medical science · 2024Article
- Isolation, Identification and Genetic Characterization of Antibiotic ResistantAntibiotics (Basel, Switzerland) · 2022Article
- Association of Antibiotic Resistance Traits in UropathogenicThe Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2022Article
- Molecular Detection of Antibiotic Resistance Genes in Shiga Toxin-ProducingAntibiotics (Basel, Switzerland) · 2021Article
- Study on Bacteria Isolates and Antimicrobial Resistance in Wildlife in Sicily, Southern Italy.Microorganisms · 2021Article
- Isolation and molecular characterization of multidrug-resistant Escherichia coli from chicken meat.Scientific reports · 2020Article
- Antimicrobial resistance and prevalence of tetracycline resistance genes in Escherichia coli isolated from lesions of colibacillosis in broiler chickens in Sistan, Iran.BMC veterinary research · 2020Article
- Occurrence and Antimicrobial Resistance Traits ofInternational journal of environmental research and public health · 2020Article
- Characterization of Non-O157Microorganisms · 2019Article
- Molecular detection of Shiga toxin-producing and antibiotic-resistant Escherichia coli isolates from buffaloes in southwest of Iran.Tropical animal health and production · 2019Article
- Article
- Antimicrobial resistance in fecalCanadian journal of veterinary research = Revue canadienne de recherche veterinaire · 2019Article
- Plasmid profiles among some ESKAPE pathogens in a tertiary care centre in south India.The Indian journal of medical research · 2019Article
- Characterization of multidrug-resistant Gram-negative bacilli isolated from hospitals effluents: first report of a blaBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2019Article
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Authors and funding
4 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The objective of this study was to examine associations among the genetic determinants of antimicrobial resistance (AMR) in 207 fecal generic Escherichia coli isolates obtained from 77 cow-calf herds in western Canada. Twenty-three resistance genes corresponding to six different antimicrobial families were assessed using DNA hybridization and PCR. The most common resistance genes in the study sample (207 isolates) were sul2 (48.3%), tet(B) (45.4%), and ant(3'')-Ia (aadA1) (19.3%). Several statistically significant associations between the examined resistance genes were detected. The strongest associations observed were those between genes for resistance to chloramphenicol (catI) and trimethoprim (dhfrI) (odds ratio [OR] = 214; P = 0.0001), sulfonamide (sul1) and chloramphenicol (catI) (OR = 96.9; P = 0.0001), streptomycin [ant(3'')-Ia (aadA1)] and trimethoprim (dhfrI) (OR = 96.2; P = 0.0001), sulfonamide (sul1) and streptomycin [ant(3'')-Ia (aadA1)] (OR = 79.3; P = 0.0001), and tetracycline [tet(B)] and sulfonamides (sul2) (OR = 25.7; P = 0.0001). At least one of the resistance genes corresponding to each nonaminoglycoside family of antimicrobials examined in this study was associated with the two aminoglycoside resistance genes ant(3'')-Ia (aadA1) and aph(3')-Ia. The multiple, strong associations between genes and the diverse nature of the associations described in this study demonstrate the complexity of resistance gene selection in cow-calf herds and should be considered in the planning of AMR control practices for cow-calf operations.
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