ArticleMicrobial ecology2008
Distribution of tetracycline and streptomycin resistance genes and class 1 integrons in Enterobacteriaceae isolated from dairy and nondairy farm soils.
Article in Microbial ecology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 93 citations in OpenAlex.
- The Economic Value of Antimicrobial Use in Livestock Production.Antibiotics (Basel, Switzerland) · 2023Article
- Genomic Characterization of FecalPathogens (Basel, Switzerland) · 2023Article
- Identifying sources of antibiotic resistance genes in the environment using the microbialFrontiers in microbiology · 2023Article
- Antimicrobial Resistance in the Food Chain: Trends, Mechanisms, Pathways, and Possible Regulation Strategies.Foods (Basel, Switzerland) · 2022Review
- Impact of Chronic Tetracycline Exposure on Human Intestinal Microbiota in a Continuous Flow Bioreactor Model.Antibiotics (Basel, Switzerland) · 2021Article
- Phenotypic and genetic barriers to establishment of horizontally transferred genes encoding ribosomal protection proteins.The Journal of antimicrobial chemotherapy · 2021Article
- Pollution by Antibiotics and Antimicrobial Resistance in LiveStock and Poultry Manure in China, and Countermeasures.Antibiotics (Basel, Switzerland) · 2021Review
- Environmental Prevalence of Carbapenem Resistance Enterobacteriaceae (CRE) in a Tropical Ecosystem in India: Human Health Perspectives and Future Directives.Pathogens (Basel, Switzerland) · 2019Review
- Longitudinal Shedding Patterns and Characterization of Antibiotic ResistantAntibiotics (Basel, Switzerland) · 2019Article
- Significance and Roles of Proteus spp. Bacteria in Natural Environments.Microbial ecology · 2016Review
- Citrobacter freundii induced endocarditis in a yearling colt.The Canadian veterinary journal = La revue veterinaire canadienne · 2016Article
- Occurrence of Antibiotic Resistance Genes and Bacterial Markers in a Tropical River Receiving Hospital and Urban Wastewaters.PloS one · 2016Article
- Probiotic Bacillus cereus Strains, a Potential Risk for Public Health in China.Frontiers in microbiology · 2016Article
- Influence of tetracycline on tetracycline-resistant heterotrophs and tet genes in activated sludge process.Current microbiology · 2015Article
- Complete Genome Sequence of Citrobacter freundii Myophage Miller.Genome announcements · 2015Article
- Antimicrobial resistance in the food chain: a review.International journal of environmental research and public health · 2013Review
- Occurrence of antimicrobial resistance genes sul and dfrA12 in hospital environmental isolates of Elizabethkingia meningoseptica.World journal of microbiology & biotechnology · 2012Article
- Integrons: Vehicles and pathways for horizontal dissemination in bacteria.Mobile genetic elements · 2012Article
- Catheter-related bacteremia caused by multidrug-resistant Leclercia adecarboxylata in a patient with breast cancer.Journal of clinical microbiology · 2012Article
- Excretion of antibiotic resistance genes by dairy calves fed milk replacers with varying doses of antibiotics.Frontiers in microbiology · 2012Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The prevalence of selected tetracycline and streptomycin resistance genes and class 1 integrons in Enterobacteriaceae (n = 80) isolated from dairy farm soil and nondairy soils was evaluated. Among 56 bacteria isolated from dairy farm soils, 36 (64.3%) were resistant to tetracycline, and 17 (30.4%) were resistant to streptomycin. Lower frequencies of tetracycline (9 of 24 or 37.5%) and streptomycin (1 of 24 or 4.2%) resistance were observed in bacteria isolated from nondairy soils. Bacteria (n = 56) isolated from dairy farm soil had a higher frequency of tetracycline resistance genes including tetM (28.6%), tetA (21.4%), tetW (8.9%), tetB (5.4%), tetS (5.4%), tetG (3.6%), and tetO (1.8%). Among 24 bacteria isolated from nondairy soils, four isolates carried tetM, tetO, tetS, and tetW in different combinations; whereas tetA, tetB, and tetG were not detected. Similarly, a higher prevalence of streptomycin resistance genes including strA (12.5%), strB (12.5%), ant(3'') (12.5), aph(6)-1c (12.5%), aph(3'') (10.8%), and addA (5.4%) was detected in bacteria isolated from dairy farm soils than in nondairy soils. None of the nondairy soil isolates carried aadA gene. Other tetracycline (tetC, tetD, tetE, tetK, tetL, tetQ, and tetT) and streptomycin (aph(6)-1c and ant(6)) resistance genes were not detected in both dairy and nondairy soil isolates. A higher distribution of multiple resistance genes was observed in bacteria isolated from dairy farm soil than in nondairy soil. Among 36 tetracycline- and 17 streptomycin-resistant isolates from dairy farm soils, 11 (30.6%) and 9 (52.9%) isolates carried multiple resistance genes encoding resistance to tetracycline and streptomycin, respectively, which was higher than in bacteria isolated from nondairy soils. One strain each of Citrobacter freundii and C. youngae isolated from dairy farm soils carried class 1 integrons with different inserted gene cassettes. Results of this small study suggest that the presence of multiple resistance genes and class 1 integrons in Enterobacteriaceae in dairy farm soil may act as a reservoir of antimicrobial resistance genes and could play a role in the dissemination of these antimicrobial resistance genes to other commensal and indigenous microbial communities in soil. However, additional longer-term studies conducted in more locations are needed to validate this hypothesis.
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