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Selvarajan R, Obize C, Sibanda T, Abia ALK, Long H. Evolution and Emergence of Antibiotic Resistance in Given Ecosystems: Possible Strategies for Addressing the Challenge of Antibiotic Resistance. Antibiotics (Basel) 2022; 12:28. [PMID: 36671228 PMCID: PMC9855083 DOI: 10.3390/antibiotics12010028] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
Antibiotics were once considered the magic bullet for all human infections. However, their success was short-lived, and today, microorganisms have become resistant to almost all known antimicrobials. The most recent decade of the 20th and the beginning of the 21st century have witnessed the emergence and spread of antibiotic resistance (ABR) in different pathogenic microorganisms worldwide. Therefore, this narrative review examined the history of antibiotics and the ecological roles of antibiotics, and their resistance. The evolution of bacterial antibiotic resistance in different environments, including aquatic and terrestrial ecosystems, and modern tools used for the identification were addressed. Finally, the review addressed the ecotoxicological impact of antibiotic-resistant bacteria and public health concerns and concluded with possible strategies for addressing the ABR challenge. The information provided in this review will enhance our understanding of ABR and its implications for human, animal, and environmental health. Understanding the environmental dimension will also strengthen the need to prevent pollution as the factors influencing ABR in this setting are more than just antibiotics but involve others like heavy metals and biocides, usually not considered when studying ABR.
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Affiliation(s)
- Ramganesh Selvarajan
- Laboratory of Extraterrestrial Ocean Systems (LEOS), Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
| | - Chinedu Obize
- Centre d’étude de la Forêt, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec City, QC G1V 0A6, Canada
| | - Timothy Sibanda
- School of Molecular and Cell Biology, Faculty of Science, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Akebe Luther King Abia
- Department of Microbiology, Venda University, Thohoyando 1950, South Africa
- Environmental Research Foundation, Westville 3630, South Africa
| | - Haijun Long
- Laboratory of Extraterrestrial Ocean Systems (LEOS), Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
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Colonization of White-Tailed Deer (Odocoileus virginianus) from Urban and Suburban Environments with Cephalosporinase- and Carbapenemase-Producing Enterobacterales. Appl Environ Microbiol 2022; 88:e0046522. [PMID: 35736227 PMCID: PMC9275232 DOI: 10.1128/aem.00465-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Wildlife play a role in the acquisition, maintenance, and dissemination of antimicrobial resistance (AMR). This is especially true at the human-domestic animal-wildlife interface, like urbanized areas, where interactions occur that can promote the cross-over of AMR bacteria and genes. We conducted a 2-year fecal surveillance (n = 783) of a white-tailed deer (WTD) herd from an urban park system in Ohio to identify and characterize cephalosporin-resistant and carbapenemase-producing bacteria using selective enrichment. Using generalized linear mixed models we found that older (OR = 2.3, P < 0.001), male (OR = 1.8, P = 0.001) deer from urbanized habitats (OR = 1.4, P = 0.001) were more likely to harbor extended-spectrum cephalosporin-resistant Enterobacterales. In addition, we isolated two carbapenemase-producing Enterobacterales (CPE), a Klebsiella quasipneumoniae harboring blaKPC-2 and an Escherichia coli harboring blaNDM-5, from two deer from urban habitats. The genetic landscape of the plasmid carrying blaKPC-2 was unique, not clustering with other reported plasmids encoding KPC-2, and only sharing 78% of its sequence with its nearest match. While the plasmid carrying blaNDM-5 shared sequence similarity with other reported plasmids encoding NDM-5, the intact IS26 mobile genetic elements surrounding multiple drug resistant regions, including the blaNDM-5, has been reported infrequently. Both carbapenemase genes were successfully conjugated to a J53 recipient conferring a carbapenem-resistant phenotype. Our findings highlight that urban environments play a significant role on the transmission of AMR bacteria and genes to wildlife and suggest WTD may play a role in the dissemination of clinically and epidemiologically relevant antimicrobial resistant bacteria. IMPORTANCE The role of wildlife in the spread of antimicrobial resistance is not fully characterized. Some wildlife, including white-tailed deer (WTD), can thrive in suburban and urban environments. This may result in the exchange of antimicrobial resistant bacteria and resistance genes between humans and wildlife, and lead to their spread in the environment. We found that WTD living in an urban park system carried antimicrobial resistant bacteria that were important to human health and resistant to antibiotics used to treat serious bacterial infections. This included two deer that carried bacteria resistant to carbapenem antibiotics which are critically important for treatment of life-threatening infections. These two bacteria had the ability to transfer their AMR resistance genes to other bacteria, making them a threat to public health. Our results suggest that WTD may contribute to the spread of antimicrobial resistant bacteria in the environment.
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Ballash GA, Munoz-Vargas L, Albers A, Dennis PM, LeJeune JT, Mollenkopf DF, Wittum TE. Temporal Trends in Antimicrobial Resistance of Fecal Escherichia coli from Deer. ECOHEALTH 2021; 18:288-296. [PMID: 34609648 DOI: 10.1007/s10393-021-01559-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 07/27/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
The changing epidemiologic role of wildlife as reservoirs of antimicrobial-resistant bacteria (ARB) is poorly understood. In this study, we characterize the phenotypic resistance of commensal Escherichia coli from fecal samples of 879 individual white-tailed (Odocoileus virginianus; WTD) over a ten-year period and analyze resistance patterns. Our results show commensal E. coli from WTD had significant linear increases in reduced susceptibility to 5 of 12 antimicrobials, including broad-spectrum cephalosporins and fluoroquinolones, from 2006 to 2016. In addition, the relative frequency distribution of minimal inhibitory concentrations of two additional antimicrobials shifted towards higher values from across the study period. The prevalence of multidrug-resistant commensal E. coli increased over the study period with a prevalence of 0%, 2.2%, and 3.7% in 2006, 2012, and 2016, respectively. WTD may be persistently and increasingly exposed to antibiotics or their residues, ARB, and/or antimicrobial resistance genes via contaminated environments like surface water receiving treated wastewater effluent.
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Affiliation(s)
- Gregory A Ballash
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
| | - Lohendy Munoz-Vargas
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
| | - Amy Albers
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
| | - Patricia M Dennis
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
- Sarah Allison Steffee Center for Zoological Medicine, Cleveland Metroparks Zoo, 4200 Wildlife Way, Cleveland, OH, 44109, USA
| | - Jeffrey T LeJeune
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
| | - Dixie F Mollenkopf
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA
| | - Thomas E Wittum
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, 1920 Coffey Road, Columbus, OH, 43210, USA.
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Santos AL, dos Santos AP, Ito CRM, de Queiroz PHP, de Almeida JA, de Carvalho Júnior MAB, de Oliveira CZ, Avelino MAG, Wastowski IJ, Gomes GPLA, Souza ACSE, Vasconcelos LSNDOL, Santos MDO, da Silva CA, Carneiro LC. Profile of Enterobacteria Resistant to Beta-Lactams. Antibiotics (Basel) 2020; 9:E410. [PMID: 32679663 PMCID: PMC7400480 DOI: 10.3390/antibiotics9070410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/04/2022] Open
Abstract
A serious emerging problem worldwide is increased antimicrobial resistance. Acquisition of coding genes for evasion methods of antimicrobial drug mechanisms characterizes acquired resistance. This phenomenon has been observed in Enterobacteriaceae family. Treatment for bacterial infections is performed with antibiotics, of which the most used are beta-lactams. The aim of this study was to correlate antimicrobial resistance profiles in Enterobacteriaceae by phenotypic methods and molecular identification of 14 beta-lactamase coding genes. In this study, 70 exclusive isolates from Brazil were used, half of which were collected in veterinary clinics or hospitals Phenotypic methodologies were used and real-time PCR was the molecular methodology used, through the Sybr Green system. Regargding the results found in the tests it was observed that 74.28% were resistant to ampicillin, 62.85% were resistant to amoxicillin associated with clavalunate. The mechanism of resistance that presented the highest expression was ESBL (17.14%). The genes studied that were detected in a greater number of species were blaGIM and blaSIM (66.66% of the samples) and the one that was amplified in a smaller number of samples was blaVIM (16.66%). Therefore, high and worrying levels of antimicrobial resistance have been found in enterobacteria, and a way to minimize the accelerated emergence of their resistance includes developing or improving techniques that generate diagnoses with high efficiency and speed.
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Affiliation(s)
- Andressa Liberal Santos
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Adailton Pereira dos Santos
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Célia Regina Malveste Ito
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Pedro Henrique Pereira de Queiroz
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Juliana Afonso de Almeida
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Marcos Antonio Batista de Carvalho Júnior
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | | | - Melissa Ameloti G. Avelino
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (M.A.G.A.); (M.d.O.S.)
| | | | - Giselle Pinheiro Lima Aires Gomes
- Department of Biology, Federal University of Tocantins, Square 109 North, NS15 Avenue, ALCNO-14-Plano Director North, Palmas 77001-090, Brazil;
| | | | - Lara Stefânia Netto de Oliveira Leão Vasconcelos
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Mônica de Oliveira Santos
- Medicine College, Federal University of Goiás, 235 Street, Goiânia 74690-900, Brazil; (M.A.G.A.); (M.d.O.S.)
| | - Carla Afonso da Silva
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
| | - Lilian Carla Carneiro
- Institute of Tropical Pathology and Public Health, Federal University of Goiás, 235 Street, Goiânia 74605-050, Brazil; (A.L.S.); (A.P.d.S.); (C.R.M.I.); (P.H.P.d.Q.); (J.A.d.A.); (M.A.B.d.C.J.); (L.S.N.d.O.L.V.); (C.A.d.S.)
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Lee S, Mir RA, Park SH, Kim D, Kim HY, Boughton RK, Morris JG, Jeong KC. Prevalence of extended-spectrum β-lactamases in the local farm environment and livestock: challenges to mitigate antimicrobial resistance. Crit Rev Microbiol 2020; 46:1-14. [PMID: 31976793 DOI: 10.1080/1040841x.2020.1715339] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The effectiveness of antibiotics has been challenged by the increasing frequency of antimicrobial resistance (AR), which has emerged as a major threat to global health. Despite the negative impact of AR on health, there are few effective strategies for reducing AR in food-producing animals. Of the antimicrobial resistant microorganisms (ARMs), extended-spectrum β-lactamases (ESBLs)-producing Enterobacteriaceae are an emerging global threat due to their increasing prevalence in livestock, even in animals raised without antibiotics. Many reviews are available for the positive selection of AR associated with antibiotic use in livestock, but less attention has been given to how other factors including soil, water, manure, wildlife, and farm workers, are associated with the emergence of ESBL-producing bacteria. Understanding of antibiotic resistance genes and bacteria transfer at the interfaces of livestock and other potential reservoirs will provide insights for the development of mitigation strategies for AR.
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Affiliation(s)
- Shinyoung Lee
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Department of Animal Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, USA
| | - Raies A Mir
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Department of Animal Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, USA
| | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA
| | - Donghyuk Kim
- School of Energy and Chemical Engineering, School of Biological Sciences, and Korean Genomics Industrialization and Commercialization Center, Ulsan National Institute of Science and Technology, Ulsan, Korea
| | - Hae-Yeong Kim
- Institute of Life Sciences and Resources and Department of Food Science and Biotechnology, Kyung-Hee University, Yongin, Korea
| | - Raoul K Boughton
- Range Cattle Research and Education Center, Department of Wildlife Ecology and Conservation, University of Florida, Ona, FL, USA
| | - J Glenn Morris
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Kwangcheol C Jeong
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Department of Animal Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, USA.,Institute of Life Sciences and Resources and Department of Food Science and Biotechnology, Kyung-Hee University, Yongin, Korea
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ANTIBIOTIC RESISTANT BACTERIA IN WILDLIFE: PERSPECTIVES ON TRENDS, ACQUISITION AND DISSEMINATION, DATA GAPS, AND FUTURE DIRECTIONS. J Wildl Dis 2020. [DOI: 10.7589/2019-04-099] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Dolejska M, Papagiannitsis CC. Plasmid-mediated resistance is going wild. Plasmid 2018; 99:99-111. [PMID: 30243983 DOI: 10.1016/j.plasmid.2018.09.010] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 09/08/2018] [Accepted: 09/19/2018] [Indexed: 10/28/2022]
Abstract
Multidrug resistant (MDR) Gram-negative bacteria have been increasingly reported in humans, companion animals and farm animals. The growing trend of plasmid-mediated resistance to antimicrobial classes of critical importance is attributed to the emergence of epidemic plasmids, rapidly disseminating resistance genes among the members of Enterobacteriaceae family. The use of antibiotics to treat humans and animals has had a significant impact on the environment and on wild animals living and feeding in human-influenced habitats. Wildlife can acquire MDR bacteria selected in hospitals, community or livestock from diverse sources, including wastewater, sewage systems, landfills, farm facilities or agriculture fields. Therefore, wild animals are considered indicators of environmental pollution by antibiotic resistant bacteria, but they can also act as reservoirs and vectors spreading antibiotic resistance across the globe. The level of resistance and reported plasmid-mediated resistance mechanisms observed in bacteria of wildlife origin seem to correlate well with the situation described in humans and domestic animals. Additionaly, the identification of epidemic plasmids in samples from different human, animal and wildlife sources underlines the role of horizontal gene transfer in the dissemination of resistance genes. The present review focuses on reports of plasmid-mediated resistance to critically important antimicrobial classes such as broad-spectrum beta-lactams and colistin in Enterobacteriaceae isolates from samples of wildlife origin. The role of plasmids in the dissemination of ESBL-, AmpC- and carbapenemase-encoding genes as well as plasmid-mediated colistin resistance determinants in wildlife are discussed, and their similarities to plasmids previously identified in samples of human clinical or livestock origin are highlighted. Furthermore, we present features of completely sequenced plasmids reported from wildlife Enterobacteriaceae isolates, with special focus on genes that could be associated with the plasticity and stable maintenance of these molecules in antibiotic-free environments.
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Affiliation(s)
- Monika Dolejska
- Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic; CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.
| | - Costas C Papagiannitsis
- Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic; CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic; Biomedical Center, Faculty of Medicine, Charles University, Pilsen, Czech Republic
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Rehman MA, Yin X, Lepp D, Laing C, Ziebell K, Talbot G, Topp E, Diarra MS. Genomic Analysis of Third Generation Cephalosporin Resistant Escherichia coli from Dairy Cow Manure. Vet Sci 2017; 4:vetsci4040057. [PMID: 29149094 PMCID: PMC5753637 DOI: 10.3390/vetsci4040057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 11/14/2017] [Accepted: 11/15/2017] [Indexed: 01/08/2023] Open
Abstract
The production of extended-spectrum β-lactamases (ESBLs) conferring resistance to new derivatives of β-lactams is a major public health threat if present in pathogenic Gram-negative bacteria. The objective of this study was to characterize ceftiofur (TIO)- or cefotaxime (FOX)-resistant Escherichia coli isolated from dairy cow manure. Twenty-four manure samples were collected from four farms and incubated under anaerobic conditions for 20 weeks at 4 °C or at 25 °C. A total of 37 TIO- or FOX-resistant E. coli were isolated from two of the four farms to determine their susceptibility to 14 antibiotics. Among the 37 resistant E. coli, 10 different serotypes were identified, with O8:H1 being the predominant serotype (n = 17). Five isolates belonged to each of serotypes O9:NM and O153:H42, respectively. All 37 cephalosporin resistant isolates were multi-resistant with the most prevalent resistance spectrum being amoxicillin-clavulanic acid-ampicillin-cefoxitin-ceftiofur-ceftriaxone-chloramphenicol-streptomycin-sulfisoxazole-tetracycline-trimethoprim-sulfamethoxazole. The genomes of 18 selected isolates were then sequenced and compared to 14 selected human pathogenic E. coli reference genomes obtained from public repositories using different bioinformatics approaches. As expected, all 18 sequenced isolates carried at least one β-lactamase bla gene: TEM-1, TEM-81, CTX-M115, CTX-M15, OXA-1, or CMY-2. Several other antibiotic resistance genes (ARGs) and virulence determinants were detected in the sequenced isolates and all of them harbored antimicrobial resistance plasmids belonging to classic Inc groups. Our results confirm the presence of diverse ESBL producing E. coli isolates in dairy cow manure stored for a short period of time. Such manure might constitute a reservoir of resistance and virulence genes for other bacteria that share the same environment.
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Affiliation(s)
- Muhammad Attiq Rehman
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), Guelph, ON N1G 5C9, Canada.
| | - Xianhua Yin
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), Guelph, ON N1G 5C9, Canada.
| | - Dion Lepp
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), Guelph, ON N1G 5C9, Canada.
| | - Chad Laing
- National Microbiology Laboratory at Lethbridge, Public Health Agency of Canada, Lethbridge, AB T1J 3Z4, Canada.
| | - Kim Ziebell
- National Microbiology Laboratory at Guelph, Public Health Agency of Canada, Guelph, ON N1G 3W4, Canada.
| | - Guylaine Talbot
- Sherbrooke Research and Development Center, Agriculture and Agri-Food Canada (AAFC), Sherbrooke, QC J1M 0C8, Canada.
| | - Edward Topp
- London Research and Development Center, Agriculture and Agri-Food Canada (AAFC), London, ON N5V 4T3, Canada.
| | - Moussa Sory Diarra
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), Guelph, ON N1G 5C9, Canada.
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