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Jajarmi M, Askari Badouei M, Ghanbarpour R, Karmostaji A, Alizade H. Antimicrobial resistance patterns and phylogenetic analysis of Shiga toxin-producing Escherichia coli strains from goats using both Clermont phylogenetic schemes. BULGARIAN JOURNAL OF VETERINARY MEDICINE 2021. [DOI: 10.15547/bjvm.2019-0055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Foodborne transmission of Shiga toxin-producing Escherichia coli (STEC) poses a threat to public health. The Clermont typing schemes (previous and revised) have been used widely to phylotype E. coli. The present study was conducted to compare the relationship of the Clermont phylogenet-ic schemes in STEC strains isolated from goats and antibiotic resistance patterns in the southeast of Iran. Overall 52 strains carrying the stx gene were used for subsequent analysis. All strains were determined by analysing the genomic DNA with a PCR-based method using the two Clermont et al. (2000, 2013) schemes. Extended spectrum beta-lactamase (ESBL) producing strains were con-firmed by the double disk-diffusion method. STEC strains were also tested for susceptibility to 20 antimicrobials agents. In the original Clermont method, the prevalent phylogroups were B1 (69.2%) and A (28.8%). The significant phylogenetic groups of strains according to the revised Clermont method were B1 (82.7%), A (13.5%) and unknown (3.8%). However, STEC strains underwent changes as noted from A to B1 (17.3%), B1 to unknown (3.8%), B1 to A (1.9%) and D to B1 (1.9%) groupings. Of the 52 stx-positive strains, two ESBL producing strains were detected. Susceptibility data showed that the most frequent resistance phenotype was related to cefazolin (90.4%), streptomycin (88.5%), ampicillin (86.5%) and oxytetracycline (82.7%) respectively. Alt-hough the overall frequency of the reassigned phylotypes was not significant, most changes oc-curred within the A phylotype. Therefore, implementation of the new method on isolates belong-ing to the A phylotype in the old method seems to be necessary to obtain accurate results.
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Makarov DA, Ivanova OE, Karabanov SY, Gergel MA, Pomazkova AV. Antimicrobial resistance of commensal Escherichia coli from food-producing animals in Russia. Vet World 2020; 13:2053-2061. [PMID: 33281337 PMCID: PMC7704320 DOI: 10.14202/vetworld.2020.2053-2061] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/31/2020] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Commensal Escherichia coli is an important indicator of antimicrobial resistance (AMR) in animals and food of animal origin. Therefore, it was recommended by the World Health Organization and OIE for inclusion in resistance surveillance programs. At the same time, the data on E. coli isolates from animals in Russia are scarce. The aim of this work was to determine the current prevalence of resistance and genetic markers of non-pathogenic commensal E. coli collected from major food-producing animals (poultry, pigs, and cows) in different regions of Russia and to compare these data with data from other countries to prioritize antimicrobials for limiting their use according to the National Action Plan Materials and Methods: Samples (n=306) were collected from biomaterial of chicken, turkey, cows, and pigs raised on 11 farms in the European part of Russia, Siberia, and North Caucasus. Isolates (n=306) of E. coli were tested for resistance to 11 antimicrobials from ten classes using the broth microdilution method. MICs were interpreted against EUCAST microbiological and clinical breakpoints. For data analysis and statistical processing, the AMRcloud online platform was used. The data are presented in comparison with other countries. Results: In Russia, higher levels of microbiological and clinical resistance of E. coli to critically important antimicrobials, including colistin, cefotaxime, and ciprofloxacin, were found compared to other countries, especially in poultry: About 30% of isolates from chicken were resistant to colistin, 8% to cefotaxime, and 88% to ciprofloxacin according to EUCAST ECOFFs. Only 10% of isolates from cows were resistant to cefotaxime. About 47% of isolates of E. coli from chicken had a moderate relative resistance for ampicillin and 56% for tetracycline. For most antimicrobials, isolates from cows demonstrated a lower resistance than isolates from poultry and pigs. All tested isolates from chicken, turkey, and pigs showed a simultaneous microbiological resistance to at least three classes of antimicrobials. No pan-resistant isolates were found. Conclusion: High levels of AMR of commensal E. coli from poultry, especially for critically important drugs, are a matter of concern and should be taken into account when choosing antimicrobials to be restricted for use in animal husbandry according to the National Action Plan.
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Affiliation(s)
- Dmitry A Makarov
- Department of Pharmaceutical Drugs for Animals, Food and Feed Safety, Russian State Center for Animal Feed and Drug Standardization and Quality, Zvenigorodskoe Highway, Russia
| | - Olga E Ivanova
- Department of Biotechnology, Russian State Center for Animal Feed and Drug Standardization and Quality, Zvenigorodskoe Highway, Russia
| | - Sergey Yu Karabanov
- Department of Biotechnology, Russian State Center for Animal Feed and Drug Standardization and Quality, Zvenigorodskoe Highway, Russia
| | - Maria A Gergel
- Department of Biotechnology, Russian State Center for Animal Feed and Drug Standardization and Quality, Zvenigorodskoe Highway, Russia
| | - Anastasia V Pomazkova
- Department of Biotechnology, Russian State Center for Animal Feed and Drug Standardization and Quality, Zvenigorodskoe Highway, Russia
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Epidemiological significance of poultry litter for spreading the antibiotic-resistant strains of Escherichia coli. WORLD POULTRY SCI J 2019. [DOI: 10.1017/s004393391600043x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Davin-Regli A, Guerin-Faublée V, Pagès JM. Modification of outer membrane permeability and alteration of LPS in veterinary enterotoxigenic Escherichia coli. Res Vet Sci 2019; 124:321-327. [PMID: 31035220 DOI: 10.1016/j.rvsc.2019.04.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 04/10/2019] [Accepted: 04/15/2019] [Indexed: 11/28/2022]
Abstract
Enterotoxigenic Escherichia coli (ETEC) is a worrying cause of diarrhoea in calves and the drug multiresistance phenotype concerning various antibiotic families are of concern. Resistance mechanisms associated with envelope changes (porin expression, efflux pump overexpression, lipolysaccahride (LPS) modification) were studied in 14 ETEC isolates selected for their resistance. We performed determinations of (i) antimicrobials Minimal Inhibitory Concentrations with or without the efflux pump inhibitor phenylalanine arginine β-naphthylamide; (ii) colistin and polymyxin MICs with and without EDTA, (iii) intracellular accumulation of chloramphenicol in presence of an energy uncoupler of pump energy, (iv) and immunodetection of porins and evaluation of porin trimers thermostability. Results indicated that 9 strains presented significant efflux mechanisms overexpression, among them 8 were resistant to colistin and polymyxin B due to a modification of LPS structure as evidenced by EDTA effect and silver staining electrophoresis. The high resistant strains to colistin and polymyxin exhibited identical LPS patterns. Studies of E. coli porins indicated that the majority of strains didn't show modification in their amount, however analysis of porin thermostability showed that porin trimers of some resistant strains were relatively heat-labile, suggesting a misassembly of the functional trimer. The multidrug resistance (MDR) phenotypes detected in these selected ETEC corresponded to association of LPS modifications, abordive assembly of porin trimers and active efflux which drastically alter the antibiotic activity currently used to combat enteric infections caused by this pathogen.
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Affiliation(s)
- Anne Davin-Regli
- UMR_MD1, U-1261, Aix Marseille Univ, INSERM, SSA, IRBA, MCT, Marseille, France..
| | - Véronique Guerin-Faublée
- UMR Vet-Agro-Sup Campus Vétérinaire de Lyon, Département de santé publique vétérinaire, Marcy l'Etoile, France..
| | - Jean-Marie Pagès
- UMR_MD1, U-1261, Aix Marseille Univ, INSERM, SSA, IRBA, MCT, Marseille, France
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Chuppava B, Keller B, Meißner J, Kietzmann M, Visscher C. Effects of different types of flooring design on the development of antimicrobial resistance in commensal Escherichia coli in fattening turkeys. Vet Microbiol 2018; 217:18-24. [PMID: 29615251 DOI: 10.1016/j.vetmic.2018.02.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/15/2018] [Accepted: 02/15/2018] [Indexed: 11/25/2022]
Abstract
The objective of this study was to evaluate the effects of different types of flooring designs on antimicrobial resistance in commensal Escherichia coli from turkeys treated with enrofloxacin. Two trials were performed with same feed, housing conditions and fattening duration, but with different flooring designs. Furthermore, the first trial was performed in an unchanged environment and the second trial in a changed environment. The flooring designs of the pens were assigned to four groups; G1 - entire floor pen covered with litter, G2 - floor pen with heating, G3 - partially slatted flooring including an area that was littered, G4 - fully slatted flooring with a sand bath. Enrofloxacin was given at days 10-14 via drinking water. The changed environment in the second trial was achieved by moving the animals to new pens with the respective same conditions as previously after antimicrobial administration at day 15. A total of 576 E. coli were isolated from cloacal swab and poultry manure samples. Sample collection was done before the treatment, after the treatment and at the end of the trials at day 35. The resistance of isolates to enrofloxacin and ampicillin was determined using broth microdilution A single treatment with enrofloxacin reduced the proportion of samples with susceptible E. coli isolates significantly in all flooring designs. Overall, frequencies of enrofloxacin resistance were significantly different between the unchanged and changed environment. At the same time, the proportion of ampicillin-resistant isolates increased in the first trial, although no ampicillin was applied in this study.
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Affiliation(s)
- Bussarakam Chuppava
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173 Hannover, Germany
| | - Birgit Keller
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173 Hannover, Germany
| | - Jessica Meißner
- Institute of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, Foundation, Buenteweg 17, 30559 Hannover, Germany
| | - Manfred Kietzmann
- Institute of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, Foundation, Buenteweg 17, 30559 Hannover, Germany
| | - Christian Visscher
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173 Hannover, Germany.
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Todorović D, Velhner M, Grego E, Vidanović D, Milanov D, Krnjaić D, Kehrenberg C. Molecular Characterization of Multidrug-Resistant Escherichia coli Isolates from Bovine Clinical Mastitis and Pigs in the Vojvodina Province, Serbia. Microb Drug Resist 2017; 24:95-103. [PMID: 28520501 DOI: 10.1089/mdr.2017.0016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The aim of the study was to characterize multidrug-resistant (MDR) Escherichia coli isolates collected in Serbia from bovine clinical mastitis cases and diseased pigs, mainly with molecular methods. A total of 48 E. coli isolates was collected during the years 2013-2014, of which 22 were MDR and were included in further analysis. Phylogenetic typing showed that 17 isolates belonged to group A, while two isolates were classified in group B1 and a single one in group D. All isolates showed unique macrorestriction patterns. Phenotypic susceptibility testing revealed resistances of the isolates against up to 13 antimicrobial agents, including resistance to fluoroquinolones. A wide variety of resistance genes was detected by PCR amplification and sequencing of amplicons. Sequence analysis of the quinolone resistance determining regions of topoisomerase genes revealed mutations in gyrA, parC, and/or parE. Plasmid-mediated quinolone resistance genes were detected in two porcine (aac-6'-Ib-cr and qnrS, respectively) isolates and a single bovine (aac-6'-Ib-cr) isolate. Resistance genes were found to be located on conjugative plasmids in 16 cases, many of which conferred a multidrug resistance phenotype. In conclusion, the plentitude of resistance genes located on conjugative plasmids and integrons in E. coli from cows and pigs in Vojvodina, Serbia, pose a high risk for horizontal gene transfer in bacteria from livestock husbandry.
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Affiliation(s)
| | - Maja Velhner
- 1 Scientific Veterinary Institute "Novi Sad," Novi Sad, Serbia
| | - Edita Grego
- 2 Public Health Institute of Serbia , "Dr Milan Jovanović Batut," Belgrade, Serbia
| | | | | | - Dejan Krnjaić
- 4 Faculty of Veterinary Medicine, University of Belgrade , Belgrade, Serbia
| | - Corinna Kehrenberg
- 5 Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover , Foundation, Hannover, Germany
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King TL, Schmidt S. Assessment of three indigenous South African herbivores as potential reservoirs and vectors of antibiotic-resistant Escherichia coli. EUR J WILDLIFE RES 2017. [DOI: 10.1007/s10344-017-1100-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Lin Y, Zhao W, Shi Z, Gu H, Zhang X, Ji X, Zou X, Gong J, Yao W. Accumulation of antibiotics and heavy metals in meat duck deep litter and their role in persistence of antibiotic-resistant Escherichia coli in different flocks on one duck farm. Poult Sci 2017; 96:997-1006. [DOI: 10.3382/ps/pew368] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2016] [Accepted: 09/01/2016] [Indexed: 11/20/2022] Open
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Melo DB, Menezes APDO, Reis JN, Guimarães AG. Antimicrobial resistance and genetic diversity of Escherichia coli isolated from humans and foods. Braz J Microbiol 2015; 46:1165-70. [PMID: 26691477 PMCID: PMC4704651 DOI: 10.1590/s1517-838246420130874] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 03/05/2015] [Indexed: 11/28/2022] Open
Abstract
Antibiotic resistance has increased in recent years, raising the concern of public
health authorities. We conducted a study of Escherichia coli
isolates obtained from human and food samples to assess the prevalence of
antimicrobial resistance and to determine the genotype and clonal relationship of 84
E. coli isolates (48 from humans and 36 from foods). An
antimicrobial susceptibility test was performed using the disk diffusion method.
Virulence factors were evaluated by multiplex PCR, and the clonal relationship among
the resistant isolates was studied by Pulsed Field Gel Electrophoresis (PFGE). All
isolates were susceptible to ceftriaxone. Overall, 26%, 20.2%, 15.4% and 6% of the
isolates were resistant to tetracycline, ampicillin, sulfamethoxazole/trimethoprim
and cephalotin, respectively. Twenty two percent of the isolates exhibited resistance
to more than one antimicrobial agent. Multiple-drug resistance was mostly observed in
the human isolates and involved the antibiotics ampicillin and tetracycline. None of
the six virulence genes were identified among the isolates. Analysis of genetic
diversity by PFGE of 31 resistant isolates, revealed 29 distinct restriction
patterns. In conclusion, E. coli from humans and foods are resistant
to commonly used antibiotics and are highly genetically diverse. In this setting,
inappropriate use of antibiotics may be a cause of high resistance rate instead of
clonal spread.
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Affiliation(s)
| | | | - Joice Neves Reis
- Laboratório de Pesquisa em Microbiologia, Universidade Federal da Bahia, Salvador, BA, Brazil
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Kyere EO, Bulut E, Dilek Avşaroğlu M, Soyer Y. Molecular evaluation and antimicrobial susceptibility testing of Escherichia coli isolates from food products in Turkey. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0128-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Bok E, Mazurek J, Stosik M, Wojciech M, Baldy-Chudzik K. Prevalence of virulence determinants and antimicrobial resistance among commensal Escherichia coli derived from dairy and beef cattle. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:970-85. [PMID: 25607605 PMCID: PMC4306905 DOI: 10.3390/ijerph120100970] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 12/22/2014] [Indexed: 01/30/2023]
Abstract
Cattle is a reservoir of potentially pathogenic E. coli, bacteria that can represent a significant threat to public health, hence it is crucial to monitor the prevalence of the genetic determinants of virulence and antimicrobial resistance among the E. coli population. The aim of this study was the analysis of the phylogenetic structure, distribution of virulence factors (VFs) and prevalence of antimicrobial resistance among E. coli isolated from two groups of healthy cattle: 50 cows housed in the conventional barn (147 isolates) and 42 cows living on the ecological pasture (118 isolates). The phylogenetic analysis, identification of VFs and antimicrobial resistance genes were based on either multiplex or simplex PCR. The antimicrobial susceptibilities of E. coli were examined using the broth microdilution method. Two statistical approaches were used to analyse the results obtained for two groups of cattle. The relations between the dependent (VFs profiles, antibiotics) and the independent variables were described using the two models. The mixed logit model was used to characterise the prevalence of the analysed factors in the sets of isolates. The univariate logistic regression model was used to characterise the prevalence of these factors in particular animals. Given each model, the odds ratio (OR) and the 95% confidence interval for the population were estimated. The phylogroup B1 was predominant among isolates from beef cattle, while the phylogroups A, B1 and D occurred with equal frequency among isolates from dairy cattle. The frequency of VFs-positive isolates was significantly higher among isolates from beef cattle. E. coli from dairy cattle revealed significantly higher resistance to antibiotics. Some of the tested resistance genes were present among isolates from dairy cattle. Our study showed that the habitat and diet may affect the genetic diversity of commensal E. coli in the cattle. The results suggest that the ecological pasture habitat is related to the increased spreading rate of the VFs, while the barn habitat is characterised by the higher levels of antimicrobial resistance among E. coli.
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Affiliation(s)
- Ewa Bok
- Department of Molecular Biology, Faculty of Biological Sciences, University of Zielona Góra, Monte Cassino St. 21b, 65-561 Zielona Góra, Poland.
| | - Justyna Mazurek
- Department of Molecular Biology, Faculty of Biological Sciences, University of Zielona Góra, Monte Cassino St. 21b, 65-561 Zielona Góra, Poland.
| | - Michał Stosik
- Department of Molecular Biology, Faculty of Biological Sciences, University of Zielona Góra, Monte Cassino St. 21b, 65-561 Zielona Góra, Poland.
| | - Magdalena Wojciech
- Department of Mathematical Statistics and Econometrics, Faculty of Mathematics, Computer Science and Econometrics, University of Zielona Góra, Prof. Z. Szafrana St. 4a, 65-516 Zielona Góra, Poland.
| | - Katarzyna Baldy-Chudzik
- Department of Molecular Biology, Faculty of Biological Sciences, University of Zielona Góra, Monte Cassino St. 21b, 65-561 Zielona Góra, Poland.
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Chen X, Zhang W, Yin J, Zhang N, Geng S, Zhou X, Wang Y, Gao S, Jiao X. Escherichia coli isolates from sick chickens in China: changes in antimicrobial resistance between 1993 and 2013. Vet J 2014; 202:112-5. [PMID: 25155303 DOI: 10.1016/j.tvjl.2014.06.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 06/16/2014] [Accepted: 06/18/2014] [Indexed: 11/16/2022]
Abstract
The use of antimicrobials for the control of infectious disease has increased in recent decades. Understanding trends in antimicrobial resistance provides clues about the relationship between antimicrobial use and the emergence of resistance. We examined the resistance of 540 Escherichia coli isolates to 19 antimicrobials that represent 11 classes of antimicrobial agents. The isolates were collected from chickens between 1993 and 2013 in China. Overall, >96.7% of the isolates were resistant to at least one of the tested compounds, and 87.2% of them displayed multidrug resistance (MDR) representing five to six antimicrobial classes. A high proportion of E. coli isolates were resistant to tetracycline (90.6%), nalidixic acid (80.6%), ampicillin (77.2%), trimethoprim-sulfamethoxazole (76.9%), and streptomycin (72.8%). Only 3.0% of the isolates were resistant to nitrofurantoin, and none was resistant to meropenem. Resistance to amikacin, ampicillin, aztreonam, ceftazidime, cefotaxime, cephalothin, chloramphenicol, ciprofloxacin, fosfomycin, levofloxacin, norfloxacin, nalidixic acid, piperacillin, and trimethoprim-sulfamethoxazole significantly increased from 1993 to 2013 (P <0.01). There was an increasing trend in MDR over the 20 year period.
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Affiliation(s)
- Xiang Chen
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Weiqiu Zhang
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Jiajun Yin
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Ning Zhang
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Shizhong Geng
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Xiaohui Zhou
- Department of Pathobiology and Veterinary Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Yanhong Wang
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Song Gao
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Xinan Jiao
- Jiangsu Key Lab of Zoonosis/Jiangsu Co-Innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China.
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de la Torre E, Colello R, Padola NL, Etcheverría A, Rodríguez E, Amanto F, Tapia MO, Soraci AL. Detection of Integrase Gene in E. coli Isolated from Pigs at Different Stages of Production System. Int J Microbiol 2014; 2014:489569. [PMID: 24734046 PMCID: PMC3966330 DOI: 10.1155/2014/489569] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 12/10/2013] [Accepted: 02/04/2014] [Indexed: 12/02/2022] Open
Abstract
Integrons are one of the genetic elements involved in the acquisition of antibiotic resistance. The aim of the present research is to investigate the presence of integrons in commensal Escherichia coli (E. coli) strains, isolated from pigs at different stages of production system and from the environment in an Argentinian farm. Five sows postpartum and five randomly chosen piglets from each litter were sampled by rectal swabs. They were sampled again at day 21 and at day 70. Environmental samples from the farm were also obtained. E. coli containing any integron class or combination of both integrons was detected by polymerase chain reaction in 100% of sows and in piglets at different stages of production: farrowing pen stage 68.1%;, weaning 60%, and growing/finishing 85.8%, showing an increase along the production system. From environmental samples 78.4% of E. coli containing any integron class was detected. We conclude that animals and farm environment can act as reservoirs for potential spread of resistant bacteria by means of mobile genetic elements as integrons, which has a major impact on production of food animals and that can reach man through the food chain, constituting a problem for public health.
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Affiliation(s)
- Eulalia de la Torre
- Área de Toxicología, Departamento de Fisiopatología, Centro de Investigación Veterinaria de Tandil-Consejo Nacional de Investigaciones Científicas y Técnicas-Comisión de Investigaciones Científicas Provincia de Buenos Aires (CIVETAN-CONICET-CICPBA), Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires (UNICEN), Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Rocío Colello
- Área de Inmunoquímica y Biotecnología, Departamento de Sanidad Animal y Medicina Preventiva (SAMP), CIVETAN-CONICET-CICPBA, Facultad de Ciencias Veterinarias, UNICEN, Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Nora Lía Padola
- Área de Inmunoquímica y Biotecnología, Departamento de Sanidad Animal y Medicina Preventiva (SAMP), CIVETAN-CONICET-CICPBA, Facultad de Ciencias Veterinarias, UNICEN, Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Analía Etcheverría
- Área de Inmunoquímica y Biotecnología, Departamento de Sanidad Animal y Medicina Preventiva (SAMP), CIVETAN-CONICET-CICPBA, Facultad de Ciencias Veterinarias, UNICEN, Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Edgardo Rodríguez
- Área de Bioestadística, Departamento de SAMP, CIVETAN-CONICET-CICPBA, Facultad de Ciencias Veterinarias, UNICEN, Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Fabián Amanto
- Área de Producción Porcina, Departamento de Producción Animal, Facultad de Ciencias Veterinarias, UNICEN, Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - María Ofelia Tapia
- Área de Toxicología, Departamento de Fisiopatología, Centro de Investigación Veterinaria de Tandil-Consejo Nacional de Investigaciones Científicas y Técnicas-Comisión de Investigaciones Científicas Provincia de Buenos Aires (CIVETAN-CONICET-CICPBA), Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires (UNICEN), Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
| | - Alejandro Luis Soraci
- Área de Toxicología, Departamento de Fisiopatología, Centro de Investigación Veterinaria de Tandil-Consejo Nacional de Investigaciones Científicas y Técnicas-Comisión de Investigaciones Científicas Provincia de Buenos Aires (CIVETAN-CONICET-CICPBA), Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires (UNICEN), Campus Universitario, Paraje Arroyo Seco s/n, Tandil, Argentina
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Holvoet K, Sampers I, Callens B, Dewulf J, Uyttendaele M. Moderate prevalence of antimicrobial resistance in Escherichia coli isolates from lettuce, irrigation water, and soil. Appl Environ Microbiol 2013; 79:6677-83. [PMID: 23974140 PMCID: PMC3811515 DOI: 10.1128/aem.01995-13] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 08/21/2013] [Indexed: 11/20/2022] Open
Abstract
Fresh produce is known to carry nonpathogenic epiphytic microorganisms. During agricultural production and harvesting, leafy greens can become contaminated with antibiotic-resistant pathogens or commensals from animal and human sources. As lettuce does not undergo any inactivation or preservation treatment during processing, consumers may be exposed directly to all of the (resistant) bacteria present. In this study, we investigated whether lettuce or its production environment (irrigation water, soil) is able to act as a vector or reservoir of antimicrobial-resistant Escherichia coli. Over a 1-year period, eight lettuce farms were visited multiple times and 738 samples, including lettuce seedlings (leaves and soil), soil, irrigation water, and lettuce leaves were collected. From these samples, 473 isolates of Escherichia coli were obtained and tested for resistance to 14 antimicrobials. Fifty-four isolates (11.4%) were resistant to one or more antimicrobials. The highest resistance rate was observed for ampicillin (7%), followed by cephalothin, amoxicillin-clavulanic acid, tetracycline, trimethoprim, and streptomycin, with resistance rates between 4.4 and 3.6%. No resistance to amikacin, ciprofloxacin, gentamicin, or kanamycin was observed. One isolate was resistant to cefotaxime. Among the multiresistant isolates (n = 37), ampicillin and cephalothin showed the highest resistance rates, at 76 and 52%, respectively. E. coli isolates from lettuce showed higher resistance rates than E. coli isolates obtained from soil or irrigation water samples. When the presence of resistance in E. coli isolates from lettuce production sites and their resistance patterns were compared with the profiles of animal-derived E. coli strains, they were found to be the most comparable with what is found in the cattle reservoir. This may suggest that cattle are a potential reservoir of antimicrobial-resistant E. coli strains in plant primary production.
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Affiliation(s)
- Kevin Holvoet
- Laboratory of Food Microbiology and Food Preservation, Department of Food Safety and Food Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Laboratory of Food Microbiology and Biotechnology, Department of Industrial Biological Sciences, Faculty of Bioscience Engineering, Ghent University Campus Kortrijk, Kortrijk, Belgium
| | - Imca Sampers
- Laboratory of Food Microbiology and Biotechnology, Department of Industrial Biological Sciences, Faculty of Bioscience Engineering, Ghent University Campus Kortrijk, Kortrijk, Belgium
| | - Benedicte Callens
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Jeroen Dewulf
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Mieke Uyttendaele
- Laboratory of Food Microbiology and Food Preservation, Department of Food Safety and Food Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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Kilonzo-Nthenge A, Rotich E, Nahashon S. Evaluation of drug-resistant Enterobacteriaceae in retail poultry and beef. Poult Sci 2013; 92:1098-107. [DOI: 10.3382/ps.2012-02581] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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16
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Igbinosa IH, Nwodo UU, Sosa A, Tom M, Okoh AI. Commensal Pseudomonas species isolated from wastewater and freshwater milieus in the Eastern Cape Province, South Africa, as reservoir of antibiotic resistant determinants. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2012; 9:2537-49. [PMID: 22851958 PMCID: PMC3407919 DOI: 10.3390/ijerph9072537] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Revised: 07/12/2012] [Accepted: 07/12/2012] [Indexed: 11/16/2022]
Abstract
Pseudomonas species are opportunistic pathogens with implications in a wide range of diseases including cystic fibrosis and sickle cell anaemia. Because of their status as multidrug resistant (MDR) and extremely drug resistant (XDR) bacteria Pseudomonas species represent a threat to public health. Prevalence, antibiogram and associated antibiotic resistant genes of Pseudomonas species isolated from freshwater and mixed liquor environments in the Eastern Cape Province of South Africa were assessed. Polymerase chain reaction (PCR) based technique was used to identify the isolates and screen for antibiotic resistant genes. The result shows occurrence of Pseudomonas spp. in freshwater and mixed liquor as follows: 71.42% and 37.5% (P. putida), 14.28% and 31.25% (P. flourescens), 7.14% and 6.25% (P. aeruginosa) and 7.14% and 25% for other Pseudomonas species respectively. Disk diffusion antibiogram of the Pseudomonas isolates from the two locations showed 100% resistance to penicillin, oxacillin, clindamycin, rifampicin and 100% susceptibility to ciprofloxacin and gentamicin with varied percentage resistances to cephalothin, nalidixic acid, tetracycline, and ampicillin. The blaTEM antibiotic resistant gene was detected in 12.5% of P. putida, 57.14% of P. fluorescens, 100% P. aeruginosa and 40% in other Pseudomonas species. Similarly, Integrons conserved segment were detected in 12.5% of P. putida, 57.14% of P. fluorescens, 100% of P. aeruginosa and 40% of other Pseudomonas species. The presence of blaTEM gene and integrons conserved segment in some of the isolates is worrisome and suggest Pseudomonas species as important reservoirs of multidrug resistance genes in the Eastern Cape Province environment.
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Affiliation(s)
- Isoken H. Igbinosa
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa; (I.H.I.); (U.U.N.); (M.T.)
| | - Uchechukwu U. Nwodo
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa; (I.H.I.); (U.U.N.); (M.T.)
| | - Anibal Sosa
- Former Director, International Program & Clinical Advisor, Alliance for the Prudent Use of Antibiotics (APUA), 75 Kneeland Street, Boston, MA 02111, USA;
| | - Mvuyo Tom
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa; (I.H.I.); (U.U.N.); (M.T.)
| | - Anthony I. Okoh
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa; (I.H.I.); (U.U.N.); (M.T.)
- Author to whom correspondence should be addressed; ; Tel.: +27-0-40-602-2365; Fax: +27-0-86-628-6824
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Gousia P, Economou V, Sakkas H, Leveidiotou S, Papadopoulou C. Antimicrobial Resistance of Major Foodborne Pathogens from Major Meat Products. Foodborne Pathog Dis 2011; 8:27-38. [DOI: 10.1089/fpd.2010.0577] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Panagiota Gousia
- Food, Water, and Environmental Microbiology Unit, Department of Microbiology, Medical School, University of Ioannina, Ioannina, Greece
| | - Vagelis Economou
- Food, Water, and Environmental Microbiology Unit, Department of Microbiology, Medical School, University of Ioannina, Ioannina, Greece
| | - Hercules Sakkas
- Food, Water, and Environmental Microbiology Unit, Department of Microbiology, Medical School, University of Ioannina, Ioannina, Greece
| | - Stamatina Leveidiotou
- Food, Water, and Environmental Microbiology Unit, Department of Microbiology, Medical School, University of Ioannina, Ioannina, Greece
| | - Chrissanthy Papadopoulou
- Food, Water, and Environmental Microbiology Unit, Department of Microbiology, Medical School, University of Ioannina, Ioannina, Greece
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Lei T, Tian W, He L, Huang XH, Sun YX, Deng YT, Sun Y, Lv DH, Wu CM, Huang LZ, Shen JZ, Liu JH. Antimicrobial resistance in Escherichia coli isolates from food animals, animal food products and companion animals in China. Vet Microbiol 2010; 146:85-9. [DOI: 10.1016/j.vetmic.2010.04.025] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2009] [Revised: 04/20/2010] [Accepted: 04/26/2010] [Indexed: 10/19/2022]
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Miranda JM, Mondragon A, Rodriguez JA, Guarddon M, Nebot CG, Galán-Vidal CA, Coronel-Olivares C. Presence and antimicrobial resistance ofEscherichia coliisolated from foodstuffs in Hidalgo State (Mexico) Presencia y resistencia a antimicrobianos deEscherichia coliaislados a partir de alimentos en el estado de Hidalgo (México). CYTA - JOURNAL OF FOOD 2010. [DOI: 10.1080/19476330903119234] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mahdavi A, Rahmani H, Nili N, Samie A, Soleimanian-Zad S, Jahanian R. Effects of dietary egg yolk antibody powder on growth performance, intestinal Escherichia coli colonization, and immunocompetence of challenged broiler chicks. Poult Sci 2010; 89:484-94. [DOI: 10.3382/ps.2009-00541] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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