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Calarco J, Pruden A, Harwood VJ. Comparison of methods proposed for monitoring cefotaxime-resistant Escherichia coli in the water environment. Appl Environ Microbiol 2024; 90:e0212823. [PMID: 38572968 PMCID: PMC11107173 DOI: 10.1128/aem.02128-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 03/15/2024] [Indexed: 04/05/2024] Open
Abstract
Escherichia coli is a promising subject for globally coordinated surveillance of antimicrobial resistance (AMR) in water environments due to its clinical relevance and widespread use as an indicator of fecal contamination. Cefotaxime-resistant E. coli was recently evaluated favorably for this purpose by the World Health Organization TriCycle Protocol, which specifies tryptone bile x-glucuronide (TBX) medium and incubation at 35°C. We assessed comparability with the U.S. Environmental Protection Agency-approved method for E. coli quantification, which uses membrane-thermotolerant E. coli (mTEC) agar and incubation at 44.5°C, in terms of recovery of E. coli and cefotaxime-resistant E. coli from wastewater influent and surface waters. Total E. coli concentrations in wastewater influent were 106-108 CFU/100 mL, while cefotaxime-resistant E. coli were ~100-fold lower. Total E. coli in surface waters were ~102 CFU/100 mL, and cefotaxime-resistant isolates were near the limit of detection (0.4 CFU/100 mL). Total and putative cefotaxime-resistant E. coli concentrations did not differ significantly between media or by incubation method; however, colonies isolated on mTEC were more frequently confirmed to species (97.1%) compared to those from TBX (92.5%). Incubation in a water bath at 44.5°C significantly decreased non-specific background growth and improved confirmation frequency on both media (97.4%) compared to incubation at 35°C (92.3%). This study helps to advance globally coordinated AMR in water environments and suggests that the TriCycle Protocol is adaptable to other standard methods that may be required in different locales, while also offering a means to improve specificity by decreasing the frequency of false-positive identification of cefotaxime-resistant E. coli by modifying incubation conditions.IMPORTANCEAs antibiotic-resistant bacteria in water environments are increasingly recognized as contributors to the global antibiotic resistance crisis, the need for a monitoring subject that captures antibiotic resistance trends on a global scale increases. The World Health Organization TriCycle Protocol proposes the use of cefotaxime-resistant Escherichia coli isolated on tryptone bile x-glucuronide agar. The U.S. Environmental Protection Agency (USEPA) criteria for safe recreational waters also use E. coli as an indicator but specify the use of mTEC agar at a higher incubation temperature (44.5°C vs 35°C). We assessed the comparability of these methods for isolating total and cefotaxime-resistant E. coli, finding overall good agreement and performance, but significantly higher specificity toward E. coli selection with the use of the USEPA incubation protocol and mTEC agar. This study is the first to directly compare these methods and provides evidence that the methods may be used interchangeably for global surveillance of antibiotic resistance in the environment.
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Affiliation(s)
- Jeanette Calarco
- Department of Integrative Biology, University of South Florida, Tampa, Florida, USA
| | - Amy Pruden
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia, USA
| | - Valerie J. Harwood
- Department of Integrative Biology, University of South Florida, Tampa, Florida, USA
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Penati M, Musa L, Filippone Pavesi L, Guaraglia A, Ulloa F, Moroni P, Piccinini R, Addis MF. Multidrug-Resistant Extended-Spectrum Beta-Lactamase (ESBL)-Producing Escherichia coli in a Dairy Herd: Distribution and Antimicrobial Resistance Profiles. Antibiotics (Basel) 2024; 13:241. [PMID: 38534676 DOI: 10.3390/antibiotics13030241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/26/2024] [Accepted: 03/02/2024] [Indexed: 03/28/2024] Open
Abstract
This study investigated the presence, distribution, and antimicrobial resistance profiles of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli in a dairy herd located in Northern Italy. The feces of clinically healthy calves, their mothers, and the cows treated for mastitis, as well as water, environmental samples, and waste milk were collected and subjected to bacteriological culture on CHROMagarTM ESBL plates. A questionnaire was administered to identify risk factors. The isolates were identified as E. coli by MALDI-TOF MS and subjected to the double-disk synergy test (DDST) and minimal inhibitory concentration (MIC) assay. As a result, ESBL E. coli was isolated from the feces of 28 of 37 (75.67%) calves, the feces of 2 of 3 (66.67%) treated cows, 8 of 14 (57.15%) environmental samples, and waste milk. All ESBL isolates showed multiple resistances and were categorized as multidrug-resistant (MDR). Several risk factors for ESBL E. coli selection and diffusion were identified, including lack of routine cleaning of calf feeding and housing equipment, administration of waste milk to male calves, and blanket dry cow therapy. In conclusion, this study highlighted the presence of MDR, ESBL E. coli in the feces of most dairy calves, and their association with different sample sources. Accordingly, adding to the prudent use of antibiotics, the adoption of adequate farm hygiene and biosecurity measures might also help prevent the spread and transmission of ESBL E. coli within the herd.
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Affiliation(s)
- Martina Penati
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
| | - Laura Musa
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
| | - Laura Filippone Pavesi
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
| | - Alessandro Guaraglia
- Department of Humanities and Social Sciences, University of Sassari, 07100 Sassari, Italy
| | - Fernando Ulloa
- Escuela de Graduados, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Paolo Moroni
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
- Laboratory of Infectious Diseases of Domestic Animals (MiLab), University of Milan, 26900 Lodi, Italy
| | - Renata Piccinini
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
- Laboratory of Infectious Diseases of Domestic Animals (MiLab), University of Milan, 26900 Lodi, Italy
| | - Maria Filippa Addis
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
- Laboratory of Infectious Diseases of Domestic Animals (MiLab), University of Milan, 26900 Lodi, Italy
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Pek HB, Kadir SA, Arivalan S, Osman S, Mohamed R, Ng LC, Wong JC, Octavia S. Screening for extended-spectrum beta-lactamase Escherichia coli in recreational beach waters in Singapore. Future Microbiol 2023; 18:867-873. [PMID: 37650710 DOI: 10.2217/fmb-2023-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
Aims: As part of Singapore's One Health antimicrobial resistance (AMR) management, this work was designed to understand the AMR burden in recreational beach waters using extended-spectrum beta-lactamase Escherichia coli (ESBL-EC) as an indicator. Materials & methods: A total of 90 water samples were collected from six different recreational beaches over three different time periods. Only 28/90 (31.3%) water samples yielded E. coli colonies ranging from 1 to 80 colony-forming units/100 ml. Results & conclusion: Screening of all colonies using CHROMID® ESBL agar and Luria-Bertani broth supplemented with ceftriaxone showed that none was ESBL-EC. Further monitoring is required to understand the prevalence of ESBL-EC spatiotemporally, contributing to the national AMR surveillance program and providing timely risk assessment for exposure to ESBL-EC.
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Affiliation(s)
- Han Bin Pek
- Environmental Health Institute, National Environment Agency, Singapore
| | - Sharain A Kadir
- Environmental Health Institute, National Environment Agency, Singapore
| | - Sathish Arivalan
- Environmental Health Institute, National Environment Agency, Singapore
| | - Sheereen Osman
- Environmental Health Institute, National Environment Agency, Singapore
| | - Roslinda Mohamed
- Environmental Health Institute, National Environment Agency, Singapore
| | - Lee Ching Ng
- Environmental Health Institute, National Environment Agency, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore
| | - Judith Cc Wong
- Environmental Health Institute, National Environment Agency, Singapore
| | - Sophie Octavia
- Environmental Health Institute, National Environment Agency, Singapore
- School of Biotechnology & Biomolecular Sciences, University of New South Wales, Australia
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Tong YC, Li PC, Yang Y, Lin QY, Liu JT, Gao YN, Zhang YN, Jin S, Qing SZ, Xing FS, Fan YP, Liu YQ, Wang WL, Zhang WM, Ma WR. Detection of Antibiotic Resistance in Feline-Origin ESBL Escherichia coli from Different Areas of China and the Resistance Elimination of Garlic Oil to Cefquinome on ESBL E. coli. Int J Mol Sci 2023; 24:ijms24119627. [PMID: 37298578 DOI: 10.3390/ijms24119627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
The development of drug-resistance in the opportunistic pathogen Escherichia coli has become a global public health concern. Due to the share of similar flora between pets and their owners, the detection of pet-origin antibiotic-resistant E. coli is necessary. This study aimed to detect the prevalence of feline-origin ESBL E. coli in China and to explore the resistance elimination effect of garlic oil to cefquinome on ESBL E. coli. Cat fecal samples were collected from animal hospitals. The E. coli isolates were separated and purified by indicator media and polymerase chain reaction (PCR). ESBL genes were detected by PCR and Sanger sequencing. The MICs were determined. The synergistic effect of garlic oil and cefquinome against ESBL E. coli was investigated by checkerboard assays, time-kill and growth curves, drug-resistance curves, PI and NPN staining, and a scanning electronic microscope. A total of 80 E. coli strains were isolated from 101 fecal samples. The rate of ESBL E. coli was 52.5% (42/80). The prevailing ESBL genotypes in China were CTX-M-1, CTX-M-14, and TEM-116. In ESBL E. coli, garlic oil increased the susceptibility to cefquinome with FICIs from 0.2 to 0.7 and enhanced the killing effect of cefquinome with membrane destruction. Resistance to cefquinome decreased with treatment of garlic oil after 15 generations. Our study indicates that ESBL E. coli has been detected in cats kept as pets. The sensitivity of ESBL E. coli to cefquinome was enhanced by garlic oil, indicating that garlic oil may be a potential antibiotic enhancer.
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Affiliation(s)
- Yin-Chao Tong
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Peng-Cheng Li
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Yang Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Qing-Yi Lin
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Jin-Tong Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Yi-Nuo Gao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Yi-Ning Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Shuo Jin
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Su-Zhu Qing
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Fu-Shan Xing
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Yun-Peng Fan
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
- Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Ying-Qiu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
- Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Wei-Ling Wang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Wei-Min Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
- Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Wu-Ren Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
- Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling 712100, China
- Xi'an Veterinary Teaching Hospital, Northwest A&F University, Xi'an 710065, China
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Zahoor Z, Mumtaz A, Farooqi ZUR, Rehman N, Batool N, Noreen Z, Sattar S, Bostan N, Javed S. High prevalence of Panton-Valentine Leucocidin (PVL) toxin carrying MRSA and multidrug resistant gram negative bacteria in late onset neonatal sepsis indicate nosocomial spread in a Pakistani tertiary care hospital. J Infect Public Health 2023; 16:266-271. [PMID: 36621204 DOI: 10.1016/j.jiph.2022.12.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/15/2022] [Accepted: 12/25/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Neonatal sepsis has high incidence with significant mortality and morbidity rates in Pakistan. We investigated common etiological patterns of neonatal sepsis at a tertiary care setup. METHODS 90 pus and blood, gram negative and gram positive bacterial isolates were analyzed for virulence and antibiotic resistance gene profiling using PCR and disc diffusion methods. RESULTS Staphylococcus aureus showed strong association with neonatal sepsis (43 %) followed by Citrobacter freundii (21 %), Pseudomonas aeruginosa (13 %), Escherichia coli (15 %) and Salmonella enterica (8 %). Molecular typing of E. coli isolates depicted high prevalence of the virulent F and B2 phylogroups, with 4 hypervirulent phylogroup G isolates. 76.9 % S. aureus isolates showed presence of Luk-PV, encoding for Panton-valentine leucocidin (PVL) toxin with majority also carrying MecA gene and classified as methicillin resistant S. aureus (MRSA). ecpA, papC, fimH and traT virulence genes were detected in E. coli and Salmonella isolates. 47 % Citrobacter freundii isolates carried the shiga like toxin SltII B. Antimicrobial resistance profiling depicted common resistance to cephalosporins, beta lactams and fluoroquinolones. CONCLUSION Presence of PVL carrying MRSA and multidrug resistant gram negative bacteria, all isolated from late onset sepsis neonates indicate a predominant nosocomial transmission pattern which may complicate management of the disease in NICU setups.
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Affiliation(s)
- Zainab Zahoor
- Microbiology and Public Health Laboratory, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan; Faculty of Rehabilitation and Allied Health Sciences, Riphah International University, Islamabad, Pakistan
| | - Amna Mumtaz
- Microbiology and Public Health Laboratory, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan
| | | | - Noor Rehman
- Department of Pathology, Khyber Teaching Hospital, Peshawar, Pakistan
| | - Nighat Batool
- Microbiology and Public Health Laboratory, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan
| | - Zobia Noreen
- Microbiology and Public Health Laboratory, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan
| | - Sadia Sattar
- Molecular Virology Lab, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan
| | - Nazish Bostan
- Molecular Virology Lab, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan
| | - Sundus Javed
- Microbiology and Public Health Laboratory, Department of Biosciences, COMSATS University Islamabad, Park road, Tarlai Kalan, Islamabad, Pakistan.
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Mwansa M, Mukuma M, Mulilo E, Kwenda G, Mainda G, Yamba K, Bumbangi FN, Muligisa-Muonga E, Phiri N, Silwamba I, Muma JB. Determination of antimicrobial resistance patterns of Escherichia coli isolates from farm workers in broiler poultry production and assessment of antibiotic resistance awareness levels among poultry farmers in Lusaka, Zambia. Front Public Health 2023; 10:998860. [PMID: 36703831 PMCID: PMC9871586 DOI: 10.3389/fpubh.2022.998860] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/09/2022] [Indexed: 01/12/2023] Open
Abstract
The challenges posed by antibiotic-resistant pathogens have continued to increase worldwide, particularly in resource-limited countries. Human-livestock interactions are implicated in the complex AMR causal web. A cross-sectional study was conducted in four districts of Lusaka Province, Zambia to determine the antibiotic resistance patterns, ESBL production of E. coli isolated from stool samples of broiler poultry farm workers, and to assess poultry farmers' antibiotic resistance awareness. Sixty-six human stool samples were collected and processed for E. coli isolation, antibiotic resistance testing, and screened for ESBL production. In addition, 80 farmers were assessed for their level of awareness on antibiotic resistance. A total of 58 single E. coli isolates were obtained which showed high (87.9%) resistance to tetracycline, trimethoprim/sulfamethoxazole (48.3%), and ampicillin (46.8%); followed by nalidixic acid (19.0%), ciprofloxacin (12.1%), cefotaxime (8.6%) and chloramphenicol (5.2%). The prevalence of AMR E. coli was 67.2%, and 29.3% were MDR. Two (3.4%) isolates were identified to be ESBL producers, harboring the CTX-M gene. The study results also showed that broiler farmers were aware and knowledgeable of antibiotic resistance, although knowledge about its impact on human health was low. This study demonstrated the presence of resistant and ESBL producing E. coli among poultry farm workers.
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Affiliation(s)
- Mwaba Mwansa
- Department of Basic Medical Sciences, Michael Chilufya Sata School of Medicine, Copperbelt University, Ndola, Zambia
| | - Mercy Mukuma
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Esther Mulilo
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Geoffrey Kwenda
- Department of Biomedical Sciences, School of Health Sciences, University of Zambia, Lusaka, Zambia
| | - Geoffrey Mainda
- Department of Veterinary Services, Public Health Unit, Ministry of Fisheries and Livestock, Lusaka, Zambia
| | - Kaunda Yamba
- Department of Pathology and Microbiology, University Teaching Hospitals, Lusaka, Zambia
| | - Flavien Nsoni Bumbangi
- Department of Medicine and Clinical Studies, School of Medicine, Eden University, Lusaka, Zambia
| | | | - Nelson Phiri
- Department of Environmental Health, School of Medicine, Eden University, Lusaka, Zambia
| | - Isaac Silwamba
- Livestock Services Cooperative Society, Department of Laboratory and Diagnostics, Lusaka, Zambia
| | - John Bwalya Muma
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
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Darwish RM, Matar SG, Snaineh AAA, Alsharif MR, Yahia AB, Mustafa HN, Hasabo EA. Impact of antimicrobial stewardship on antibiogram, consumption and incidence of multi drug resistance. BMC Infect Dis 2022; 22:916. [PMID: 36476448 PMCID: PMC9730561 DOI: 10.1186/s12879-022-07906-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Antimicrobial stewardship programs are intended to improve patient outcomes, reduce side effects, bacterial resistance, and costs. Thus, it is important to assess their impact on an ongoing basis. We aimed to assess the impact of the antimicrobial stewardship program in two different hospitals which used different program approaches. METHODOLOGY This is a retrospective observational study in two private hospitals [4088 patient records] in Amman- Jordan. Antibiotic susceptibility using antibiogram results, consumption of antibiotics using Defined Daily Dose, and the incidence of Multi-Drug Resistance were recorded using patients' records during 2018, 2019, and 2020. RESULTS Antimicrobial stewardship program outcomes varied between the two hospitals. Bacterial susceptibility to antibiotics were improved in both hospitals. Moreover, the defined daily dose in Hospital "A" showed no significant change in Fluoroquinolones, Carbapenems, and Piperacillin- Tazobactam, Cephalosporins, and Colistin, while a significant change was observed among Anti-MRSA antibiotics. Finally, the incidence of Extended Spectrum Beta-lactamase [ESBL] E. coli, ESBL Klebsiella, and Vancomycin Resistant Enterococci [VRE] have decreased numerically over the study period, while Methicillin-Resistant Staphylococcus aureus [MRSA] showed an increase in incidence during the second year of the study. CONCLUSION The study emphasizes the positive impact of the AMS program throughout the three years of the study. Plus, the need to enhance the program through recruiting extra staff and applying extra regulations like implementing educational programs for the hospital staff, designing local guidelines for common ID diseases, and monitoring the program's outcomes which would eventually be more efficient, cost-effective, and safe.
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Affiliation(s)
- Rula M. Darwish
- grid.9670.80000 0001 2174 4509Department of Pharmaceutics and Pharmaceutical Technology, School of Pharmacy, The University of Jordan, Amman, Jordan
| | - Sajeda Ghassan Matar
- grid.411423.10000 0004 0622 534XFaculty of Pharmacy, Applied Science Private University, Amman, Jordan ,grid.9670.80000 0001 2174 4509School of Pharmacy, The University of Jordan, Amman, Jordan
| | | | | | | | - Haneen Nidal Mustafa
- grid.411423.10000 0004 0622 534XFaculty of Pharmacy, Applied Science Private University, Amman, Jordan ,grid.9670.80000 0001 2174 4509School of Pharmacy, The University of Jordan, Amman, Jordan
| | - Elfatih A. Hasabo
- grid.9763.b0000 0001 0674 6207Faculty of Medicine, University of Khartoum, Khartoum, Sudan
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Asaduzzaman M, Rousham E, Unicomb L, Islam MR, Amin MB, Rahman M, Hossain MI, Mahmud ZH, Szegner M, Wood P, Islam MA. Spatiotemporal distribution of antimicrobial resistant organisms in different water environments in urban and rural settings of Bangladesh. Sci Total Environ 2022; 831:154890. [PMID: 35364179 DOI: 10.1016/j.scitotenv.2022.154890] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/28/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
The spatial distribution of clinically important antibiotic resistant bacteria (ARB) and associated genes is important to identify the environmental distribution of contamination and 'hotspots' of antimicrobial resistance (AMR). We conducted an integrated survey of AMR in drinking water, wastewater and surface water (rivers and ponds) in three settings in Bangladesh: rural households, rural poultry farms, and urban food markets. Spatial mapping was conducted via geographic information system (GIS) using ArcGIS software. Samples (n = 397) were analyzed for the presence of extended-spectrum β-lactamase-producing Escherichia coli (ESBL-Ec), carbapenem-resistant E. coli (CR-Ec) and resistance genes (blaCTX-M-1,blaNDM-1). In rural households, 5% of drinking water supply samples tested positive for ESBL-Ec, and a high proportion of wastewater, pond and river water samples were positive for ESBL-Ec (90%, 76%, and 85%, respectively). In poultry farms, 10% of drinking water samples tested positive for ESBL-Ec compared to a high prevalence in wastewater, pond and river water (90%, 68%, and 85%, respectively). CR-Ec prevalence in household wastewater and pond water was relatively low (8% and 5%, respectively) compared to river water (33%). In urban areas, 38% of drinking water samples and 98% of wastewater samples from food markets tested positive for ESBL-Ec while 30% of wastewater samples tested positive for CR-Ec. Wastewaters had the highest concentrations of ESBL-Ec, CR-Ec, blaCTXM-1 and blaNDM-1 and these were significantly higher in urban compared to rural samples (p < 0.05). ESBL-Ec is ubiquitous in drinking water, wastewater and surface water bodies in both rural and urban areas of Bangladesh. CR-Ec is less widespread but found at a high prevalence in wastewater discharged from urban food markets and in rural river samples. Surveillance and monitoring of antibiotic resistant organisms and genes in waterbodies is an important first step in addressing environmental dimensions of AMR.
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Affiliation(s)
- Muhammad Asaduzzaman
- Department of Community Medicine and Global Health, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway; Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh.
| | - Emily Rousham
- Centre for Global Health and Human Development, School of Sport, Exercise and Health Sciences, Loughborough University, UK
| | - Leanne Unicomb
- Environmental Intervention Unit, Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Md Rayhanul Islam
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Mohammed Badrul Amin
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Mahdia Rahman
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Muhammed Iqbal Hossain
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Zahid Hayat Mahmud
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Mark Szegner
- Geography and Environment, School of Social Sciences and Humanities, Loughborough University, Loughborough, UK
| | - Paul Wood
- Geography and Environment, School of Social Sciences and Humanities, Loughborough University, Loughborough, UK
| | - Mohammad Aminul Islam
- Food Safety and One Health Laboratory, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh; Paul G. Allen School for Global Health, Washington State University, Pullman, WA, USA.
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Giedraitiene A, Pereckaite L, Bredelyte-Gruodiene E, Virgailis M, Ciapiene I, Tatarunas V. CTX-M-producing Escherichia coli strains: resistance to temocillin, fosfomycin, nitrofurantoin and biofilm formation. Future Microbiol 2022; 17:789-802. [PMID: 35549350 DOI: 10.2217/fmb-2021-0202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: ESBL-producing and bacterial biofilms-forming Escherichia coli are associated with antimicrobial treatment failure. This study aimed to investigate the phenotypic resistance mechanisms of CTX-M E. coli against old antibiotics - cell wall synthesis inhibitors temocillin, nitrofurantoin and fosfomycin. Materials & Methods: Susceptibility to old antibiotics testing was performed using disk diffusion method, biofilm formation was evaluated spectrophotometrically, and PCR was used for the determination of CTX-M type. Results & conclusion: Temocillin was active against nearly 93%, nitrofurantoin and fosfomycin, respectively, 91.7% and 98.6% of tested E. coli. Thus, it demonstrated to be a good alternative therapeutic option against ESBL infections. Bacteria resistant to old antibiotics had CTX-M-15 or CTX-M-15, TEM-1 and OXA-1 combinations. No significant association was found between CTX-M E. coli resistance to temocillin, nitrofurantoin and fosfomycin; however, the level of biofilm formation was found as not affected by the type of CTX-M β-lactamases.
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Affiliation(s)
- Agne Giedraitiene
- Institute of Microbiology & Virology, Lithuanian University of Health Sciences, Kaunas, LT-50162, Lithuania
| | - Laura Pereckaite
- Department of Laboratory Medicine, Lithuanian University of Health Sciences, Kaunas, LT-50161, Lithuania
| | | | - Marius Virgailis
- Institute of Microbiology & Virology, Lithuanian University of Health Sciences, Kaunas, LT-50162, Lithuania
| | - Ieva Ciapiene
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, LT-50161, Lithuania
| | - Vacis Tatarunas
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, LT-50161, Lithuania
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10
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Atlaw NA, Keelara S, Correa M, Foster D, Gebreyes W, Aidara-Kane A, Harden L, Thakur S, Fedorka-Cray PJ. Evidence of sheep and abattoir environment as important reservoirs of multidrug resistant Salmonella and extended-spectrum beta-lactamase Escherichia coli. Int J Food Microbiol 2021; 363:109516. [PMID: 34990883 DOI: 10.1016/j.ijfoodmicro.2021.109516] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 12/16/2021] [Accepted: 12/21/2021] [Indexed: 11/29/2022]
Abstract
The increase in antimicrobial-resistant (AMR) foodborne pathogens, including E. coli and Salmonella in animals, humans, and the environment, is a growing public health concern. Among animals, cattle, pigs, and chicken are reservoirs of these pathogens worldwide. There is a knowledge gap on the prevalence and AMR of foodborne pathogens in small ruminants (i.e., sheep and goats). This study investigates the prevalence and antimicrobial resistance of extended-spectrum beta-lactamase (ESBL) E. coli and Salmonella from sheep and their abattoir environment in North Carolina. We conducted a year-round serial cross-sectional study and collected a total of 1128 samples from sheep (n = 780) and their abattoir environment (n = 348). Sheep samples consisted of feces, cecal contents, carcass swabs, and abattoir resting area feces. Environmental samples consisted of soil samples, lairage swab, animal feed, and drinking water for animals. We used CHROMAgar EEC with 4 μg/ml of Cefotaxime for isolating ESBL E. coli, and ESBL production was confirmed by double-disk diffusion test. Salmonella was isolated and confirmed using standard methods. All of the confirmed isolates were tested against a panel of 14 antimicrobials to elucidate susceptibility profiles. The prevalence of ESBL E. coli and Salmonella was significantly higher in environmental samples (47.7% and 65.5%) compared to the sheep samples (19.5% and 17.9%), respectively (P < 0.0001). We recovered 318 ESBL E. coli and 368 Salmonella isolates from sheep and environmental samples. More than 97% (310/318) of ESBL E. coli were multidrug-resistant (MDR; resistant to ≥3 classes of antimicrobials). Most Salmonella isolates (77.2%, 284/368) were pansusceptible, and 10.1% (37/368) were MDR. We identified a total of 24 different Salmonella serotypes by whole genome sequencing (WGS). The most common serotypes were Agona (19.8%), Typhimurium (16.2%), Cannstatt (13.2%), Reading (13.2%), and Anatum (9.6%). Prevalence and percent resistance of ESBL E. coli and Salmonella isolates varied significantly by season and sample type (P < 0.0001). The co-existence of ESBL E. coli in the same sample was associated with increased percent resistance of Salmonella to Ampicillin, Chloramphenicol, Sulfisoxazole, Streptomycin, and Tetracycline. We presumed that the abattoir environment might have played a great role in the persistence and dissemination of resistant bacteria to sheep as they arrive at the abattoir. In conclusion, our study reaffirms that sheep and their abattoir environment act as important reservoirs of AMR ESBL E. coli and MDR Salmonella in the U.S. Further studies are required to determine associated public health risks.
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Affiliation(s)
- N A Atlaw
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - S Keelara
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - M Correa
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - D Foster
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - W Gebreyes
- Department of Veterinary Preventive Medicine, The Ohio State University, 1920 Coffey Rd., Columbus, OH 43210, USA
| | - A Aidara-Kane
- Department Food Safety and Zoonoses, Foodborne Diseases, World Health Organization, Geneva, Switzerland
| | - L Harden
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - S Thakur
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - P J Fedorka-Cray
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA.
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11
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Montero L, Irazabal J, Cardenas P, Graham JP, Trueba G. Extended-Spectrum Beta-Lactamase Producing- Escherichia coli Isolated From Irrigation Waters and Produce in Ecuador. Front Microbiol 2021; 12:709418. [PMID: 34671324 PMCID: PMC8521160 DOI: 10.3389/fmicb.2021.709418] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022] Open
Abstract
In cities across the globe, the majority of wastewater – that includes drug resistant and pathogenic bacteria among other contaminants – is released into streams untreated. This water is often subsequently used for irrigation of pastures and produce. This use of wastewater-contaminated streams allows antibiotic-resistant bacteria to potentially cycle back to humans through agricultural products. In this study, we investigated the prevalence of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolated from produce and irrigation water across 17 provinces of Ecuador. A total of 117 vegetable samples, 119 fruit samples, and 38 irrigation water samples were analyzed. Results showed that 11% of the samples were positive for E. coli including 11 irrigation water samples (29%), and samples of 13 vegetables (11%), and 11 fruits (9%). Among the 165 E. coli isolates cultured, 96 (58%) had the ESBL phenotype, and 58% of ESBL producing E. coli came from irrigation water samples, 11% from vegetables, and 30% from fruits. The blaCTX–M–55, blaCTX–M 65, and blaCTX–M 15 genes were the most frequently found gene associated with the ESBL phenotype and coincided with the blaCTX–M alleles associated with human infections in Ecuador. Three isolates had the mcr-1 gene which is responsible for colistin resistance. This report provides evidence of the potential role of irrigation water in the growing antimicrobial resistance crisis in Ecuador.
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Affiliation(s)
- Lorena Montero
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Jorge Irazabal
- Agrocalidad, Agencia de Regulación y Control Fito y Zoosanitario, Quito, Ecuador
| | - Paul Cardenas
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Jay P Graham
- Environmental Health Sciences Division, University of California, Berkeley, Berkeley, CA, United States
| | - Gabriel Trueba
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
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12
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Musa L, Casagrande Proietti P, Branciari R, Menchetti L, Bellucci S, Ranucci D, Marenzoni ML, Franciosini MP. Antimicrobial Susceptibility of Escherichia coli and ESBL-Producing Escherichia coli Diffusion in Conventional, Organic and Antibiotic-Free Meat Chickens at Slaughter. Animals (Basel) 2020; 10:E1215. [PMID: 32708915 DOI: 10.3390/ani10071215] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 07/11/2020] [Accepted: 07/14/2020] [Indexed: 01/21/2023] Open
Abstract
Simple Summary Following the spread of antibiotic resistance and the high consumption of chicken meat, conventional poultry-producing companies have turned to antibiotic-free and organic lines of products. Our work investigated E. coli susceptibility to different antimicrobials and extended-spectrum β-lactamase (ESBL) E. coli diffusion from samples collected in slaughterhouse from conventional (C), organic (O) and reared without antibiotics (ABF) chickens. Conventional samples showed the highest number of E. coli strains resistant to ampicillin (89.6%), trimethoprim/sulfamethoxazole (62.2%), nalidixic acid (57.8%), ciprofloxacin (44.4%), and cefotaxime (43.7%), with prevalent patterns of multi-resistance to three (35.1%) and to four antimicrobials (31.3%). The highest numbers of ESBL E. coli were observed in conventional and the lowest in organic. Our results are relevant with an influence of farming typology regarding the susceptibility of E. coli and the presence of ESBL E. coli. Conventional farms, in which the use of antibiotics is allowed, showed samples with the highest number of strains resistant to antimicrobials commonly used in poultry as well as the highest amounts of ESBL E. coli. Organic samples exhibited the lowest value for ESBL due to a lack of antimicrobial treatment in chickens and the possibility to have access to the outdoors, limiting contact with litter as a potential source of resistant bacteria. Abstract As a result of public health concerns regarding antimicrobial resistance in animal-based food products, conventional poultry companies have turned to ‘raised without antibiotics’ (ABF) and organic farming systems. In this work, we evaluated the influence of rearing systems on antimicrobial susceptibility in E. coli and extended-spectrum β-lactamase (ESLB) E. coli diffusion in conventional (C), organic (O) and antibiotic free (ABF) chicken samples collected from cloacal swabs and skin samples in slaughterhouse. The E. coli isolates from conventional (135), antibiotic-free (131) and organic (140) samples were submitted to the Kirby–Bauer method and ESBL E. coli were analyzed by the microdilution test. Conventional samples showed the highest number of strains resistant to ampicillin (89.6%; p < 0.01), cefotaxime (43.7%; p < 0.01), nalidixic acid (57.8%; p < 0.01), ciprofloxacin (44.4%; p < 0.001), and trimethoprim/sulfamethoxazole (62.2%; p < 0.01), with patterns of multi-resistance to three (35.1%) and to four antimicrobials (31.3%), whereas most of the E. coli isolated from antibiotic-free and organic chicken samples revealed a co-resistance pattern (29.2% and 39%, respectively). The highest number of ESBL E. coli was observed in conventional, in both cloacal and skin samples and the lowest in organic (p < 0.001). Our results are consistent with the effect of conventional farming practices on E. coli antimicrobial resistance and ESBL E. coli number, due to the use of antimicrobials and close contact with litter for most of the production cycle.
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Sivakumar M, Abass G, Vivekanandhan R, Anukampa, Singh DK, Bhilegaonkar K, Kumar S, Grace MR, Dubal Z. Extended-spectrum beta-lactamase (ESBL) producing and multidrug-resistant Escherichia coli in street foods: a public health concern. J Food Sci Technol 2021; 58:1247-61. [PMID: 33746253 DOI: 10.1007/s13197-020-04634-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/23/2020] [Accepted: 07/03/2020] [Indexed: 12/20/2022]
Abstract
Antimicrobial resistance (AMR) pattern and virulence genes of extended-spectrum beta-lactamase (ESBL) producing Escherichia coli from foods of animal origin were evaluated. Based on combination disc method and ESBL E test, 42 of the 213 E. coli isolates were confirmed as ESBL producers where a high presence was observed in raw foods (60.62%), environmental samples (46.73%) and ready to eat foods (42.99%) of which 31(26.49%), 3(6.97%) and 7(15.21%) samples harbored ESBL E. coli, respectively. Higher contamination rates were observed in samples collected from meat vendors (54.36%), milk vendors (48.88%) and egg vendors (45.20%) of which 16.1%, 11.11% and 2.05%, respectively were ESBL E. coli. Among the 42 ESBL isolates, 85.71% (36/42) were multidrug-resistant. On polymerase chain reaction (PCR) analysis, expression of beta-lactamase genes viz., blaCTXM was noted in 69.04% (29/42) ESBL isolates, blaTEM in 66.66% (28/42) and blaOXA-1 in 19.04% (8/42) isolates, while blaSHV was not detected in any of the isolates. Other AMR genes viz., blaAmpC, sul1, sul2, tet(A), tet(B), catI, dhfrI, aac(3)-IIa(aacC2), aph(3')-Ia(aphA1), qnrB, qnrS were detected by PCR in 39, 28, 29, 3, 9, 5, 17, 11, 6, 6 and 33 isolates, respectively. None of the isolates harbored chloramphenicol (floR) and plasmid-mediated quinolone resistance (PMQR) (qnrA) genes. However, 21 isolates were positive for class I integron (int1), 5 for EPEC (eae) and 9 for ETEC (lt) while none were carrying bfp or stII genes. All ESBL producing isolates formed a single group when subjected to enterobacterial repetitive intergenic consensus (ERIC PCR) genotyping. The presence of multidrug-resistant ESBL E. coli in street foods of animal origin raises the issues of food safety and public health.
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Sváb D, Falgenhauer L, Rohde M, Szabó J, Chakraborty T, Tóth I. Identification and Characterization of T5-Like Bacteriophages Representing Two Novel Subgroups from Food Products. Front Microbiol 2018; 9:202. [PMID: 29487585 PMCID: PMC5816814 DOI: 10.3389/fmicb.2018.00202] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 01/29/2018] [Indexed: 12/11/2022] Open
Abstract
During recent years, interest in the use of bacteriophages as biocontrol agents against foodborne pathogens has increased, particularly for members of the family Enterobacteriaceae, with pathogenic Escherichia coli, Shigella, and Salmonella strains among them. Here, we report the isolation and characterisation of 12 novel T5-like bacteriophages from confiscated food samples. All bacterophages effectively lysed E. coli K-12 strains and were able to infect pathogenic E. coli strains representing enterohaemorrhagic (EHEC), enteropathogenic (EPEC), enterotoxigenic (ETEC), and enteroinvasive (EIEC) pathotypes, Shigella dysenteriae, S. sonnei strains, as well as multidrug-resistant (MDR) E. coli and multiple strains representing different Salmonella enterica serovars. All the bacteriophages exhibited Siphoviridae morphology. Whole genome sequencing of the novel T5-like bacteriophages showed that they represent two distinct groups, with the genome-based grouping correlating to the different host spectra. As these bacteriophages are of food origin, their stability and lack of any virulence genes, as well as their broad and mutually complementary host spectrum makes these new T5-like bacteriophages valuable candidates for use as biocontrol agents against foodborne pathogenic enterobacteria.
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Affiliation(s)
- Domonkos Sváb
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, Budapest, Hungary
| | - Linda Falgenhauer
- Institute of Medical Microbiology, Justus Liebig University Giessen and German Center for Infection Research (DZIF), Partner Site Giessen-Marburg-Langen, Giessen, Germany
| | - Manfred Rohde
- Central Facility for Microscopy, Helmholtz Centre for Infection Research, HZI, Braunschweig, Germany
| | - Judit Szabó
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Trinad Chakraborty
- Institute of Medical Microbiology, Justus Liebig University Giessen and German Center for Infection Research (DZIF), Partner Site Giessen-Marburg-Langen, Giessen, Germany
| | - István Tóth
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, Budapest, Hungary
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