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Martak D, Henriot CP, Hocquet D. Environment, animals, and food as reservoirs of antibiotic-resistant bacteria for humans: One health or more? Infect Dis Now 2024; 54:104895. [PMID: 38548016 DOI: 10.1016/j.idnow.2024.104895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/15/2024]
Abstract
Antimicrobial resistance (AMR) is a major public health challenge. For several years, AMR has been addressed through a One Health approach that links human health, animal health, and environmental quality. In this review, we discuss AMR in different reservoirs with a focus on the environment. Anthropogenic activities produce effluents (sewage, manure, and industrial wastes) that contaminate soils and aquatic environments with antibiotic-resistant bacteria (ARB), antibiotic-resistant genes (ARGs), and selective agents such as antibiotics, biocides, and heavy metals. Livestock treated with antibiotics can also contaminate food with ARB. In high-income countries (HICs), effective sanitation infrastructure and limited pharmaceutical industries result in more controlled discharges associated with human activities. Hence, studies using genome-based typing methods have revealed that, although rare inter-reservoir transmission events have been reported, human acquisition in HICs occurs primarily through person-to-person transmission. The situation is different in low- and middle-income countries (LMICs) where high population density, poorer sanitation and animal farming practices are more conducive to inter-reservoir transmissions. In addition, environmental bacteria can be a source of ARGs that, when transferred to pathogenic species under antibiotic selection pressure in environmental hotspots, produce new antibiotic-resistant strains that can potentially spread in the human community through human-to-human transmission. The keys to reducing AMR in the environment are (i) better treatment of human waste by improving wastewater treatment plants (WWTPs) in HICs and improving sanitation infrastructure in LMICs, (ii) reducing the use of antibiotics by humans and animals, (iii) prioritizing the use of less environmentally harmful antibiotics, and (iv) better control of pharmaceutical industry waste.
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Affiliation(s)
- Daniel Martak
- Université de Franche-Comté, UMR 6249 Chrono-environnement, F-25000 Besançon, France.
| | - Charles P Henriot
- Université de Franche-Comté, UMR 6249 Chrono-environnement, F-25000 Besançon, France
| | - Didier Hocquet
- Université de Franche-Comté, UMR 6249 Chrono-environnement, F-25000 Besançon, France; CHU de Besançon, Hygiène Hospitalière, F-25000 Besançon, France
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2
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Conforti S, Holschneider A, Sylvestre É, Julian TR. Monitoring ESBL- Escherichia coli in Swiss wastewater between November 2021 and November 2022: insights into population carriage. mSphere 2024; 9:e0076023. [PMID: 38606968 DOI: 10.1128/msphere.00760-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 03/19/2024] [Indexed: 04/13/2024] Open
Abstract
Antimicrobial resistance (AMR) poses a global health threat, causing millions of deaths annually, with expectations of increased impact in the future. Wastewater surveillance offers a cost-effective, non-invasive tool to understand AMR carriage trends within a population. We monitored extended-spectrum β-lactamase producing Escherichia coli (ESBL-E. coli) weekly in influent wastewater from six wastewater treatment plants (WWTPs) in Switzerland (November 2021 to November 2022) to investigate spatio-temporal variations, explore correlations with environmental variables, develop a predictive model for ESBL-E. coli carriage in the community, and detect the most prevalent ESBL-genes. We cultured total and ESBL-E. coli in 300 wastewater samples to quantify daily loads and percentage of ESBL-E. coli. Additionally, we screened 234 ESBL-E. coli isolates using molecular methods for the presence of 18 ESBL-gene families. We found a population-weighted mean percentage of ESBL-E. coli of 1.9% (95% confidence interval: 1.8-2%) across all sites and weeks, which can inform ESBL-E. coli carriage. Concentrations of ESBL-E. coli varied across WWTPs and time, with higher values observed in WWTPs serving larger populations. Recent precipitations (previous 24/96 h) showed no significant association with ESBL-E. coli, while temperature occasionally had a moderate impact (P < 0.05, correlation coefficients approximately 0.40) in some locations. We identified blaCTX-M-1, blaCTX-M-9, and blaTEM as the predominant ESBL-gene families. Our study demonstrates that wastewater-based surveillance of culturable ESBL-E. coli provides insights into AMR trends in Switzerland and may also inform resistance. These findings establish a foundation for long term, nationally established monitoring protocols and provide information that may help inform targeted public health interventions. IMPORTANCE Antimicrobial resistance (AMR) is a global health threat and is commonly monitored in clinical settings, given its association with the risk of antimicrobial-resistant infections. Nevertheless, tracking AMR within a community proves challenging due to the substantial sample size required for a representative population, along with high associated costs and privacy concerns. By investigating high resolution temporal and geographic trends in extended-spectrum beta-lactamase producing Escherichia coli in wastewater, we provide an alternative approach to monitor AMR dynamics, distinct from the conventional clinical settings focus. Through this approach, we develop a mechanistic model, shedding light on the relationship between wastewater indicators and AMR carriage in the population. This perspective contributes valuable insights into trends of AMR carriage, emphasizing the importance of wastewater surveillance in informing effective public health interventions.
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Affiliation(s)
- Sheena Conforti
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
- Department of Biosystems Science and Engineering, ETH Zürich, Basel, Switzerland
- Swiss Institute of Bioinformatics (SIB), Basel, Switzerland
| | - Aurélie Holschneider
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Émile Sylvestre
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Timothy R Julian
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
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3
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Ncir S, Haenni M, Châtre P, Drapeau A, François P, Chaouch C, Souguir M, Azaiez S, Madec JY, Mansour W. Occurrence and persistence of multidrug-resistant Enterobacterales isolated from urban, industrial and surface water in Monastir, Tunisia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171562. [PMID: 38460700 DOI: 10.1016/j.scitotenv.2024.171562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/02/2024] [Accepted: 03/05/2024] [Indexed: 03/11/2024]
Abstract
The One Health approach of antimicrobial resistance highlighted the role of the aquatic environment as a reservoir and dissemination source of resistance genes and resistant bacteria, especially due to anthropogenic activities. Resistance to extended-spectrum cephalosporins (ESC) conferred by extended-spectrum beta-lactamases (ESBLs) in E. coli has been proposed as the major marker of the AMR burden in cross-sectoral approaches. In this study, we investigated wastewater, surface water and seawater that are subjected to official water quality monitoring in Monastir, Tunisia. While all but one sample were declared compliant according to the official tests, ESC-resistant bacteria were detected in 31 (19.1 %) samples. Thirty-nine isolates, coming from urban, industrial and surface water in Monastir, were collected and characterized using antibiograms and whole-genome sequencing. These isolates were identified as 27 Escherichia coli (69.3 %) belonging to 13 STs, 10 Klebsiella pneumoniae (25.6 %) belonging to six STs, and two Citrobacter freundii (5.1 %). We observed the persistence and dissemination of clones over time and in different sampling sites, and no typically human-associated pathogens could be identified apart from one ST131. All isolates presented a blaCTX-M gene - blaCTX-M-15 (n = 22) and blaCTX-M-55 (n = 8) being the most frequent variants - which were identified on plasmids (n = 20) or on the chromosome (n = 19). In conclusion, we observed ESC resistance in rather ubiquitous bacteria that are capable of surviving in the water environment. This suggests that including the total coliform count and the ESBL count as determined by bacterial growth on selective plates in the official monitoring would greatly improve water quality control in Tunisia.
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Affiliation(s)
- Sana Ncir
- Université de Sousse, Faculté de Médecine Ibn Al Jazzar Sousse, Laboratoire de Recherche Biophysique Métabolique et Pharmacologie Appliquée, LR12ES02, Tunisie; ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Marisa Haenni
- ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Pierre Châtre
- ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Antoine Drapeau
- ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Pauline François
- ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Cherifa Chaouch
- Laboratory of Transmissible Diseases and Biologically Active Substances LR99ES27, Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Meriem Souguir
- Université de Sousse, Faculté de Médecine Ibn Al Jazzar Sousse, Laboratoire de Recherche Biophysique Métabolique et Pharmacologie Appliquée, LR12ES02, Tunisie; ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Sana Azaiez
- Université de Sousse, Faculté de Médecine Ibn Al Jazzar Sousse, Laboratoire de Recherche Biophysique Métabolique et Pharmacologie Appliquée, LR12ES02, Tunisie
| | - Jean-Yves Madec
- ANSES - Université de Lyon, Unité Antibiorésistance et Virulence Bactériennes, Lyon, France
| | - Wejdene Mansour
- Université de Sousse, Faculté de Médecine Ibn Al Jazzar Sousse, Laboratoire de Recherche Biophysique Métabolique et Pharmacologie Appliquée, LR12ES02, Tunisie.
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4
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Chen H, Ng C, Tran NH, Haller L, Goh SG, Charles FR, Wu Z, Lim JX, Gin KYH. Removal efficiency of antibiotic residues, antibiotic resistant bacteria, and genes across parallel secondary settling tank and membrane bioreactor treatment trains in a water reclamation plant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171723. [PMID: 38492595 DOI: 10.1016/j.scitotenv.2024.171723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/07/2024] [Accepted: 03/12/2024] [Indexed: 03/18/2024]
Abstract
Antimicrobial resistance is recognized as a potent threat to human health. Wastewater treatment facilities are viewed as hotspots for the spread of antimicrobial resistance. This study provides comprehensive data on the occurrences of 3 different antibiotic resistant opportunistic pathogens (with resistance to up to 5 antibiotics), 13 antibiotic resistant genes and intI1, and 22 different antimicrobial residues in a large water reclamation plant (176 million gallons per day) that runs a conventional Modified Ludzack-Ettinger (MLE) reactor followed by a secondary settling tank (SST) and membrane bioreactor (MBR) in parallel. All the antibiotic resistant bacteria and most of the antibiotic resistance genes were present in the raw influent, ranging from 2.5 × 102-3.7 × 106 CFU/mL and 1.2× 10-1-6.5 × 1010 GCN/mL, respectively. MBR outperformed the SST system in terms of ARB removal as the ARB targets were largely undetected in MBR effluent, with log removals ranging from 2.7 to 6.8, while SST only had log removals ranging from 0.27 to 4.6. Most of the ARG concentrations were found to have significantly higher in SST effluent than MBR permeate, and MBR had significantly higher removal efficiency for most targets (p < 0.05) except for sul1, sul2, blaOXA48, intI1 and 16S rRNA genes (p > 0.05). As for the antibiotic residues (AR), there was no significant removal from the start to the end of the treatment process, although MBR had higher removal efficiencies for azithromycin, chloramphenicol, erythromycin, erythromycin-H2O, lincomycin, sulfamethoxazole and triclosan, compared to the SST system. In conclusion, MBR outperformed SST in terms of ARB and ARGs removal. However low removal efficiencies of most AR targets were apparent.
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Affiliation(s)
- Hongjie Chen
- Antimicrobial Resistance Interdisciplinary Research Group, Singapore-MIT Alliance for Research and Technology, 1 Create Way, Singapore 138602, Singapore
| | - Charmaine Ng
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Ngoc Han Tran
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Laurence Haller
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Shin Giek Goh
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Francis Rathinam Charles
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Zhixin Wu
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Jit Xin Lim
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Karina Yew-Hoong Gin
- NUS Environmental Research Institute (NERI), National University of Singapore, T-Lab Building (#02-01), 5A Engineering Drive 1, Singapore 117411, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, Block E1A-07-03, 1 Engineering Drive 2, 117576, Singapore.
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5
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Gargano V, Gambino D, Oddo AM, Pizzo M, Sucato A, Cammilleri G, La Russa F, Di Pasquale ML, Parisi MG, Cassata G, Giangrosso G. Scolopax rusticola Carrying Enterobacterales Harboring Antibiotic Resistance Genes. Antibiotics (Basel) 2024; 13:234. [PMID: 38534669 DOI: 10.3390/antibiotics13030234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/28/2024] Open
Abstract
The Eurasian woodcock (Scolopax rusticola) belongs to those bird species that make systematic migratory flights in spring and autumn in search of favorable breeding and wintering areas. These specimens arrive in the Mediterranean Area from northeastern European countries during the autumn season. The purpose of this study was to assess whether woodcocks can carry antibiotic resistance genes (ARGs) along their migratory routes. Although the role of migratory birds in the spread of some zoonotic diseases (of viral and bacterial etiology) has been elucidated, the role of these animals in the spread of antibiotic resistance has not yet been clarified. In this study, we analyzed the presence of beta-lactam antibiotic resistance genes. The study was conducted on 69 strains from 60 cloacal swabs belonging to an equal number of animals shot during the 2022-2023 hunting season in Sicily, Italy. An antibiogram was performed on all strains using the microdilution method (MIC) and beta-lactam resistance genes were investigated. The strains tested showed no phenotypic resistance to any of the 13 antibiotics tested; however, four isolates of Enterobacter cloacae and three of Klebsiella oxytoca were found to carry the blaIMP-70, blaVIM-35, blaNDM-5 and blaOXA-1 genes. Our results confirm the importance of monitoring antimicrobial resistance among migratory animals capable of long-distance bacteria spread.
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Affiliation(s)
- Valeria Gargano
- Istituto Zooprofilattico Sperimentale della Sicilia, 90129 Palermo, Italy
| | - Delia Gambino
- Istituto Zooprofilattico Sperimentale della Sicilia, 90129 Palermo, Italy
| | | | | | | | - Gaetano Cammilleri
- Istituto Zooprofilattico Sperimentale della Sicilia, 90129 Palermo, Italy
| | - Francesco La Russa
- Istituto Zooprofilattico Sperimentale della Sicilia, 90129 Palermo, Italy
| | | | - Maria Giovanna Parisi
- Marine Immunobiology Laboratory, Dipartimento di Scienze della Terra e del Mare, University of Palermo, 90100 Palermo, Italy
| | - Giovanni Cassata
- Istituto Zooprofilattico Sperimentale della Sicilia, 90129 Palermo, Italy
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6
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Biggel M, Hoehn S, Frei A, Dassler K, Jans C, Stephan R. Dissemination of ESBL-producing E. coli ST131 through wastewater and environmental water in Switzerland. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122476. [PMID: 37659628 DOI: 10.1016/j.envpol.2023.122476] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/06/2023] [Accepted: 08/28/2023] [Indexed: 09/04/2023]
Abstract
The E. coli lineage ST131 is a major cause of multidrug-resistant urinary tract and bloodstream infections worldwide. Recently emerged ST131 sublineages spread globally within few years, but their dissemination routes are incompletely understood. In this study, we investigate the potential role of wastewater and surface water in the spread of extended-spectrum β-lactamase (ESBL)-producing ST131. Streams, lakes, and two wastewater treatment plants (WWTPs) in the canton of Zug, Switzerland, were consecutively sampled over 1.5 years. ST131 was detected in 38% of the samples taken downstream (1-5 km) of WWTP discharge sites, but usually absent in water bodies distant from urban areas or WWTP discharge. Specific strains were repeatedly isolated (≤5 pairwise cgSNP distance) from wastewater or river sites downstream of effluent discharge, indicating their repeated entry or persistence in WWTPs in large concentrations. Genetic characterization of the ESBL-producing water isolates revealed a predominance of clades A and C1 and an emerging ciprofloxacin-resistant sublineage with mutations in quinolone resistance determining regions (QRDR) within clade A. Multiple isolates belonged to internationally circulating sublineages, including C1-M27 and papGII + sublineages with chromosomally encoded ESBLs. This study demonstrates that the clinically relevant E. coli lineage ST131 pollutes river ecosystems, representing a significant challenge to public health and to technologies to minimize their entry into the water environment.
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Affiliation(s)
- Michael Biggel
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Switzerland.
| | - Sarah Hoehn
- Amt für Verbraucherschutz, Kanton Zug, Steinhausen, Switzerland.
| | - Andrea Frei
- Amt für Verbraucherschutz, Kanton Zug, Steinhausen, Switzerland.
| | - Kira Dassler
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Switzerland.
| | - Christoph Jans
- Amt für Verbraucherschutz, Kanton Zug, Steinhausen, Switzerland.
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Switzerland.
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Husna A, Rahman MM, Badruzzaman ATM, Sikder MH, Islam MR, Rahman MT, Alam J, Ashour HM. Extended-Spectrum β-Lactamases (ESBL): Challenges and Opportunities. Biomedicines 2023; 11:2937. [PMID: 38001938 PMCID: PMC10669213 DOI: 10.3390/biomedicines11112937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 11/26/2023] Open
Abstract
The rise of antimicrobial resistance, particularly from extended-spectrum β-lactamase producing Enterobacteriaceae (ESBL-E), poses a significant global health challenge as it frequently causes the failure of empirical antibiotic therapy, leading to morbidity and mortality. The E. coli- and K. pneumoniae-derived CTX-M genotype is one of the major types of ESBL. Mobile genetic elements (MGEs) are involved in spreading ESBL genes among the bacterial population. Due to the rapidly evolving nature of ESBL-E, there is a lack of specific standard examination methods. Carbapenem has been considered the drug of first choice against ESBL-E. However, carbapenem-sparing strategies and alternative treatment options are needed due to the emergence of carbapenem resistance. In South Asian countries, the irrational use of antibiotics might have played a significant role in aggravating the problem of ESBL-induced AMR. Superbugs showing resistance to last-resort antibiotics carbapenem and colistin have been reported in South Asian regions, indicating a future bleak picture if no urgent action is taken. To counteract the crisis, we need rapid diagnostic tools along with efficient treatment options. Detailed studies on ESBL and the implementation of the One Health approach including systematic surveillance across the public and animal health sectors are strongly recommended. This review provides an overview of the background, associated risk factors, transmission, and therapy of ESBL with a focus on the current situation and future threat in the developing countries of the South Asian region and beyond.
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Affiliation(s)
- Asmaul Husna
- Department of Pathology, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet 3100, Bangladesh
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan Town 350, Miaoli County, Taiwan
| | - Md. Masudur Rahman
- Department of Pathology, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet 3100, Bangladesh
- ABEx Bio-Research Center, East Azampur, Dhaka 1230, Bangladesh
| | - A. T. M. Badruzzaman
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan Town 350, Miaoli County, Taiwan
| | - Mahmudul Hasan Sikder
- Department of Pharmacology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mohammad Rafiqul Islam
- Livestock Division, Bangladesh Agricultural Research Council, Farmgate, Dhaka 1215, Bangladesh
| | - Md. Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Jahangir Alam
- Animal Biotechnology Division, National Institute of Biotechnology, Dhaka 1349, Bangladesh
| | - Hossam M. Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
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Sauget M, Atchon AK, Valot B, Garch FE, de Jong A, Moyaert H, Hocquet D. Genome analysis of third-generation cephalosporin-resistant Escherichia coli and Salmonella species recovered from healthy and diseased food-producing animals in Europe. PLoS One 2023; 18:e0289829. [PMID: 37883425 PMCID: PMC10602299 DOI: 10.1371/journal.pone.0289829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/26/2023] [Indexed: 10/28/2023] Open
Abstract
The animal reservoir of Enterobacterales producing Extended-Spectrum-β-Lactamases (ESBL) and plasmid-borne cephalosporinases (pAmpC) is a global concern. Using genome data, we analyzed a population of Escherichia coli and Salmonella species resistant to third-generation cephalosporins (3GC-R) recovered from healthy food animals (HA) and diseased food animals (DA) across Europe. Among the isolates collected from HA (n = 4,498) and DA (n = 833) in up to twelve European countries, 62 (1.4%) and 45 (5.4%) were 3GC-R, respectively. The genomes of these 3GC-R 107 isolates were sequenced to identify blaESBL and blaAmpC, sequence types (STs), virulence-associated genes, and Salmonella serovars. We also assessed their population structure using core genome multilocus sequence typing. The 78 3GC-R Escherichia coli originated from poultry (n = 27), swine (n = 26), and cattle (n = 25). Almost all (n = 77; 98.7%) harbored at least one blaESBL or blaAmpC, with blaCTX-M-1 predominating. We identified 51 STs, with ST10 and ST101 being the most frequent. The population of 3GC-R E. coli was polyclonal. The 29 3GC-R Salmonella spp. were mostly retrieved from healthy broiler (96.5%). blaCMY-2 dominated in this population. We found two clusters of CMY-2-producing Salmonella spp. in Germany: one with 15 isolates of S. Heidelberg isolates and another with six S. Minnesota, all of them with blaCMY-2. Our results confirm the low prevalence of 3GC-R E. coli and Salmonella spp. in HA and DA. blaCTX-M-1 was dominating in a highly diverse population of E. coli. 3GC-R E.coli isolated from HA and DA were genetically unrelated, with high clonal diversity suggesting multiple origins of contamination. This contrasted with the clonal population of 3GC-R Salmonella spp. in which blaCMY-2 dominated through two dominant serovars in this collection.
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Affiliation(s)
- Marlène Sauget
- Service D’hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France
| | - Alban K. Atchon
- Bioinformatique et Big Data au Service de la Santé, UFR Santé, Université de Bourgogne Franche-Comté, Besançon, France
- UMR 6249 CNRS Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | - Benoît Valot
- Bioinformatique et Big Data au Service de la Santé, UFR Santé, Université de Bourgogne Franche-Comté, Besançon, France
- UMR 6249 CNRS Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | - Farid El Garch
- Vétoquinol SA, Global Drug Development Center, Lure, France
- EASSA and VetPath Study Group, CEESA, Brussels, Belgium
| | - Anno de Jong
- EASSA and VetPath Study Group, CEESA, Brussels, Belgium
| | - Hilde Moyaert
- EASSA and VetPath Study Group, CEESA, Brussels, Belgium
- Zoetis Belgium SA, Veterinary Medicine Research and Development, Zaventem, Belgium
| | - Didier Hocquet
- Service D’hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France
- Bioinformatique et Big Data au Service de la Santé, UFR Santé, Université de Bourgogne Franche-Comté, Besançon, France
- UMR 6249 CNRS Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
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Goh SG, Haller L, Ng C, Charles FR, Jitxin L, Chen H, He Y, Gin KYH. Assessing the additional health burden of antibiotic resistant Enterobacteriaceae in surface waters through an integrated QMRA and DALY approach. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:132058. [PMID: 37459761 DOI: 10.1016/j.jhazmat.2023.132058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/15/2023] [Accepted: 07/12/2023] [Indexed: 07/26/2023]
Abstract
Antibiotic resistant Enterobacteriaceae pose a significant threat to public health. However, limited studies have evaluated the health risks associated with exposure to antibiotic-resistant bacteria (ARB), especially in natural environments. While quantitative microbial risk assessment (QMRA) assesses microbial risks in terms of the probability of infection, it does not account for the severity of health outcomes. In this study, a QMRA-DALY model was developed to integrate QMRA with health burden (disability-adjusted life years (DALY)) from infections caused by ARB. The model considers uncertainties in probability of infection and health burden assessment using Monte Carlo simulations. The study collected antimicrobial resistance (AMR) surveillance data from surface waters with different land uses. Results revealed water bodies with agricultural land use to be the main AMR hotspots, with the highest additional health burden observed in infections caused by meropenem-resistant E. coli (∆DALY = 0.0105 DALY/event) compared to antibiotic-susceptible E. coli. The estimated ∆DALY for antibiotic-resistant K. pneumoniae was lower than for antibiotic-resistant E. coli (highest ∆DALY = 0.00048 DALY/event). The study highlights the need for better evaluation of AMR associated health burden, and effective measures to mitigate the risks associated with antibiotic-resistant bacteria in natural environments.
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Affiliation(s)
- Shin Giek Goh
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Laurence Haller
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Charmaine Ng
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Francis Rathinam Charles
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Lim Jitxin
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Hongjie Chen
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Karina Yew-Hoong Gin
- NUS Environmental Research Institute, National University of Singapore, Singapore 117411, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, Singapore 117576, Singapore.
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10
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Liguori K, Calarco J, Maldonado Rivera G, Kurowski A, Keenum I, Davis BC, Harwood VJ, Pruden A. Comparison of Cefotaxime-Resistant Escherichia coli and sul1 and intI1 by qPCR for Monitoring of Antibiotic Resistance of Wastewater, Surface Water, and Recycled Water. Antibiotics (Basel) 2023; 12:1252. [PMID: 37627672 PMCID: PMC10451376 DOI: 10.3390/antibiotics12081252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/23/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
Awareness of the need for surveillance of antimicrobial resistance (AMR) in water environments is growing, but there is uncertainty regarding appropriate monitoring targets. Adapting culture-based fecal indicator monitoring to include antibiotics in the media provides a potentially low-tech and accessible option, while quantitative polymerase chain reaction (qPCR) targeting key genes of interest provides a broad, quantitative measure across the microbial community. The purpose of this study was to compare findings obtained from the culture of cefotaxime-resistant (cefR) Escherichia coli with two qPCR methods for quantification of antibiotic resistance genes across wastewater, recycled water, and surface waters. The culture method was a modification of US EPA Method 1603 for E. coli, in which cefotaxime is included in the medium to capture cefR strains, while qPCR methods quantified sul1 and intI1. A common standard operating procedure for each target was applied to samples collected by six water utilities across the United States and processed by two laboratories. The methods performed consistently, and all three measures reflected the same overarching trends across water types. The qPCR detection of sul1 yielded the widest dynamic range of measurement as an AMR indicator (7-log versus 3.5-log for cefR E. coli), while intI1 was the most frequently detected target (99% versus 96.5% and 50.8% for sul1 and cefR E. coli, respectively). All methods produced comparable measurements between labs (p < 0.05, Kruskal-Wallis). Further study is needed to consider how relevant each measure is to capturing hot spots for the evolution and dissemination of AMR in the environment and as indicators of AMR-associated human health risk.
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Affiliation(s)
- Krista Liguori
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
| | - Jeanette Calarco
- Department of Integrative Biology, University of South Florida, Tampa, FL 33620, USA (V.J.H.)
| | - Gabriel Maldonado Rivera
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
| | - Anna Kurowski
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
| | - Ishi Keenum
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
| | - Benjamin C. Davis
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
| | - Valerie J. Harwood
- Department of Integrative Biology, University of South Florida, Tampa, FL 33620, USA (V.J.H.)
| | - Amy Pruden
- Via Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060, USA (G.M.R.); (B.C.D.)
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11
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Marutescu LG, Popa M, Gheorghe-Barbu I, Barbu IC, Rodríguez-Molina D, Berglund F, Blaak H, Flach CF, Kemper MA, Spießberger B, Wengenroth L, Larsson DGJ, Nowak D, Radon K, de Roda Husman AM, Wieser A, Schmitt H, Pircalabioru Gradisteanu G, Vrancianu CO, Chifiriuc MC. Wastewater treatment plants, an "escape gate" for ESCAPE pathogens. Front Microbiol 2023; 14:1193907. [PMID: 37293232 PMCID: PMC10244645 DOI: 10.3389/fmicb.2023.1193907] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 05/09/2023] [Indexed: 06/10/2023] Open
Abstract
Antibiotics are an essential tool of modern medicine, contributing to significantly decreasing mortality and morbidity rates from infectious diseases. However, persistent misuse of these drugs has accelerated the evolution of antibiotic resistance, negatively impacting clinical practice. The environment contributes to both the evolution and transmission of resistance. From all anthropically polluted aquatic environments, wastewater treatment plants (WWTPs) are probably the main reservoirs of resistant pathogens. They should be regarded as critical control points for preventing or reducing the release of antibiotics, antibiotic-resistant bacteria (ARB), and antibiotic-resistance genes (ARGs) into the natural environment. This review focuses on the fate of the pathogens Enterococcus faecium, Staphylococcus aureus, Clostridium difficile, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacteriaceae spp. (ESCAPE) in WWTPs. All ESCAPE pathogen species, including high-risk clones and resistance determinants to last-resort antibiotics such as carbapenems, colistin, and multi-drug resistance platforms, were detected in wastewater. The whole genome sequencing studies demonstrate the clonal relationships and dissemination of Gram-negative ESCAPE species into the wastewater via hospital effluents and the enrichment of virulence and resistance determinants of S. aureus and enterococci in WWTPs. Therefore, the efficiency of different wastewater treatment processes regarding the removal of clinically relevant ARB species and ARGs, as well as the influence of water quality factors on their performance, should be explored and monitored, along with the development of more effective treatments and appropriate indicators (ESCAPE bacteria and/or ARGs). This knowledge will allow the development of quality standards for point sources and effluents to consolidate the WWTP barrier role against the environmental and public health AR threats.
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Affiliation(s)
- Luminita Gabriela Marutescu
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Marcela Popa
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Irina Gheorghe-Barbu
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Ilda Czobor Barbu
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Daloha Rodríguez-Molina
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany
- Institute for Medical Information Processing, Biometry, and Epidemiology – IBE, LMU Munich, Munich, Germany
- Pettenkofer School of Public Health, Munich, Germany
| | - Fanny Berglund
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Hetty Blaak
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Carl-Fredrik Flach
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Merel Aurora Kemper
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Beate Spießberger
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
- Max von Pettenkofer Institute, Faculty of Medicine, LMU Munich, Munich, Germany
- Department of Infectious Diseases and Tropical Medicine, LMU University Hospital Munich, Munich, Germany
| | - Laura Wengenroth
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany
| | - D. G. Joakim Larsson
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Dennis Nowak
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany
- Comprehensive Pneumology Center Munich (CPC-M), German Center for Lung Research (DZL), Munich, Germany
| | - Katja Radon
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Ana Maria de Roda Husman
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Andreas Wieser
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
- Max von Pettenkofer Institute, Faculty of Medicine, LMU Munich, Munich, Germany
- Department of Infectious Diseases and Tropical Medicine, LMU University Hospital Munich, Munich, Germany
| | - Heike Schmitt
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Gratiela Pircalabioru Gradisteanu
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Romanian Academy of Sciences, Bucharest, Romania
| | - Corneliu Ovidiu Vrancianu
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Mariana Carmen Chifiriuc
- Department of Microbiology and Immunology, Faculty of Biology, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
- The Romanian Academy, Bucharest, Romania
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12
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Gómez-Sanz E, Bagutti C, Roth JA, Alt Hug M, García-Martín AB, Maurer Pekerman L, Schindler R, Furger R, Eichenberger L, Steffen I, Egli A, Hübner P, Stadler T, Aguilar-Bultet L, Tschudin-Sutter S. Spatiotemporal dissemination of ESBL-producing Enterobacterales in municipal sewer systems: a prospective, longitudinal study in the city of Basel, Switzerland. Front Microbiol 2023; 14:1174336. [PMID: 37250050 PMCID: PMC10213686 DOI: 10.3389/fmicb.2023.1174336] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/18/2023] [Indexed: 05/31/2023] Open
Abstract
Background The contribution of community and hospital sources to the transmission of extended-spectrum β-lactamase producing Enterobacterales (ESBL-PE) remains elusive. Aim To investigate the extent of community dissemination and the contribution of hospitals to the spread of ESBL-PE by exploring their spatiotemporal distribution in municipal wastewater of the central European city of Basel. Methods Wastewater samples were collected monthly for two consecutive years throughout Basel, Switzerland, including 21 sites across 10 postcode areas of the city collecting either community wastewater (urban sites, n = 17) or community and hospital wastewater (mixed sites, n = 4). Presumptive ESBL-PE were recovered by selective culture methods. Standard methodologies were applied for species identification, ESBL-confirmation, and quantification. Results Ninety-five percent (477/504) of samples were positive for ESBL-PE. Among these isolates, Escherichia coli (85%, 1,140/1,334) and Klebsiella pneumoniae (11%, 153/1,334) were most common. They were recovered throughout the sampling period from all postcodes, with E. coli consistently predominating. The proportion of K. pneumoniae isolates was higher in wastewater samples from mixed sites as compared to samples from urban sites, while the proportion of E. coli was higher in samples from urban sites (p = 0.003). Higher numbers of colony forming units (CFUs) were recovered from mixed as compared to urban sites (median 3.2 × 102 vs. 1.6 × 102 CFU/mL). E. coli-counts showed moderate correlation with population size (rho = 0.44), while this correlation was weak for other ESBL-PE (rho = 0.21). Conclusion ESBL-PE are widely spread in municipal wastewater supporting that community sources are important reservoirs entertaining the spread of ESBL-PE. Hospital-influenced abundance of ESBL-PE appears to be species dependent.
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Affiliation(s)
- Elena Gómez-Sanz
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | | | - Jan A. Roth
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | - Ana B. García-Martín
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Laura Maurer Pekerman
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Ruth Schindler
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Reto Furger
- State Laboratory Basel-City, Basel, Switzerland
| | | | | | - Adrian Egli
- Applied Microbiology Research, Department of Biomedicine, University of Basel, Basel, Switzerland
| | | | - Tanja Stadler
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Lisandra Aguilar-Bultet
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
| | - Sarah Tschudin-Sutter
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, University of Basel, Basel, Switzerland
- Department of Clinical Research, University Hospital Basel, Basel, Switzerland
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13
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El-Sawalhi S, Revol O, Chamieh A, Lacoste A, Annessi A, La Scola B, Rolain JM, Pagnier I. Epidemiological Description and Detection of Antimicrobial Resistance in Various Aquatic Sites in Marseille, France. Microbiol Spectr 2023; 11:e0142622. [PMID: 36976002 PMCID: PMC10101087 DOI: 10.1128/spectrum.01426-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 12/22/2022] [Indexed: 03/29/2023] Open
Abstract
Antibiotic resistance is a worldwide public health concern and has been associated with reports of elevated mortality. According to the One Health concept, antibiotic resistance genes are transferrable to organisms, and organisms are shared among humans, animals, and the environment. Consequently, aquatic environments are a possible reservoir of bacteria harboring antibiotic resistance genes. In our study, we screened water and wastewater samples for antibiotic resistance genes by culturing samples on different types of agar media. Then, we performed real-time PCR to detect the presence of genes conferring resistance to beta lactams and colistin, followed by standard PCR and gene sequencing for verification. We mainly isolated Enterobacteriaceae from all samples. In water samples, 36 Gram-negative bacterial strains were isolated and identified. We found three extended-spectrum β-lactamase (ESBL)-producing bacteria-Escherichia coli and Enterobacter cloacae strains-harboring the CTX-M and TEM groups. In wastewater samples, we isolated 114 Gram-negative bacterial strains, mainly E. coli, Klebsiella pneumoniae, Citrobacter freundii and Proteus mirabilis strains. Forty-two bacterial strains were ESBL-producing bacteria, and they harbored at least one gene belonging to the CTX-M, SHV, and TEM groups. We also detected carbapenem-resistant genes, including NDM, KPC, and OXA-48, in four isolates of E. coli. This short epidemiological study allowed us to identify new antibiotic resistance genes present in bacterial strains isolated from water in Marseille. This type of surveillance shows the importance of tracking bacterial resistance in aquatic environments. IMPORTANCE Antibiotic-resistant bacteria are involved in serious infections in humans. The dissemination of these bacteria in water, which is in close contact with human activities, is a serious problem, especially under the concept of One Health. This study was done to survey and localize the circulation of bacterial strains, along with their antibiotic resistance genes, in the aquatic environment in Marseille, France. The importance of this study is to monitor the frequency of these circulating bacteria by creating and surveying water treatments.
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Affiliation(s)
- Sabah El-Sawalhi
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
| | - Océane Revol
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
| | - Amanda Chamieh
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
| | - Alexandre Lacoste
- Bataillon des Marins Pompiers de Marseille, CIS BMPM, Marseille, France
| | - Alexandre Annessi
- Bataillon des Marins Pompiers de Marseille, CIS BMPM, Marseille, France
| | - Bernard La Scola
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
| | - Jean-Marc Rolain
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
| | - Isabelle Pagnier
- Aix-Marseille Université, IRD, APHM, MEPHI, Faculté de Médecine et de Pharmacie, Marseille CEDEX 05, France
- IHU Méditerranée Infection, Marseille CEDEX 05, France
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14
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Irfan M, Almotiri A, AlZeyadi ZA. Antimicrobial Resistance and β-Lactamase Production in Clinically Significant Gram-Negative Bacteria Isolated from Hospital and Municipal Wastewater. Antibiotics (Basel) 2023; 12:antibiotics12040653. [PMID: 37107015 PMCID: PMC10135027 DOI: 10.3390/antibiotics12040653] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/19/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Hospital and municipal wastewater contribute to the spread of antibiotic-resistant bacteria and genes in the environment. This study aimed to examine the antibiotic resistance and β-lactamase production in clinically significant Gram-negative bacteria isolated from hospital and municipal wastewater. The susceptibility of bacteria to antibiotics was tested using the disk diffusion method, and the presence of extended-spectrum β-lactamases (ESBL) and carbapenemases was determined using an enzyme inhibitor and standard multiplex PCR. Analysis of antimicrobial resistance of total bacterial strains (n = 23) revealed that most of them were resistant to cefotaxime (69.56%), imipenem (43.47%), meropenem (47.82%) and amoxicillin-clavulanate (43.47%), gentamicin (39.13%), cefepime and ciprofloxacin (34.78%), trimethoprim-sulfamethoxazole (30.43%). A total of 8 of 11 phenotypically confirmed isolates were found to have ESBL genes. The blaTEM gene was present in 2 of the isolates, while the blaSHV gene was found in 2 of the isolates. Furthermore, the blaCTX-M gene was found in 3 of the isolates. In one isolate, both the blaTEM and blaSHV genes were identified. Furthermore, of the 9 isolates that have been phenotypically confirmed to have carbapenemase, 3 were confirmed by PCR. Specifically, 2 isolates have the blaOXA-48 type gene and 1 have the blaNDM-1 gene. In conclusion, our investigation shows that there is a significant rate of bacteria that produce ESBL and carbapenemase, which can promote the spread of bacterial resistance. Identifying ESBL and carbapenemase production genes in wastewater samples and their resistance patterns can provide valuable data and guide the development of pathogen management strategies that could potentially help reduce the occurrence of multidrug resistance.
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15
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Bhatt A, Dada AC, Prajapati SK, Arora P. Integrating life cycle assessment with quantitative microbial risk assessment for a holistic evaluation of sewage treatment plant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 862:160842. [PMID: 36509266 DOI: 10.1016/j.scitotenv.2022.160842] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 11/12/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
An integrated approach was employed in the present study to combine life cycle assessment (LCA) with quantitative microbial risk assessment (QMRA) to assess an existing sewage treatment plant (STP) at Roorkee, India. The midpoint LCA modeling revealed that high electricity consumption (≈ 576 kWh.day-1) contributed to the maximum environmental burdens. The LCA endpoint result of 0.01 disability-adjusted life years per person per year (DALYs pppy) was obtained in terms of the impacts on human health. Further, a QMRA model was developed based on representative sewage pathogens, including E. coli O157:H7, Giardia sp., adenovirus, norovirus, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The public health risk associated with intake of pathogen-laden aerosols during treated water reuse in sprinkler irrigation was determined. A cumulative health risk of 0.07 DALYs pppy was obtained, where QMRA risks contributed 86 % of the total health impacts. The annual probability of illness per person was highest for adenovirus and norovirus, followed by SARS-CoV-2, E. coli O157:H7 and Giardia sp. Overall, the study provides a methodological framework for an integrated LCA-QMRA assessment which can be applied across any treatment process to identify the hotspots contributing maximum environmental burdens and microbial health risks. Furthermore, the integrated LCA-QMRA approach could support stakeholders in the water industry to select the most suitable wastewater treatment system and establish regulations regarding the safe reuse of treated water.
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Affiliation(s)
- Ankita Bhatt
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India
| | | | - Sanjeev Kumar Prajapati
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India
| | - Pratham Arora
- Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Uttarakhand, India.
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16
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Oliveira M, Truchado P, Cordero-García R, Gil MI, Soler MA, Rancaño A, García F, Álvarez-Ordóñez A, Allende A. Surveillance on ESBL- Escherichia coli and Indicator ARG in Wastewater and Reclaimed Water of Four Regions of Spain: Impact of Different Disinfection Treatments. Antibiotics (Basel) 2023; 12:antibiotics12020400. [PMID: 36830310 PMCID: PMC9952245 DOI: 10.3390/antibiotics12020400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
In the present study, the occurrence of indicator antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs) both in the influent and the effluent of four Spanish wastewater treatment plants (WWTPs) was monitored for 12 months, and the susceptibility profiles of 89 recovered extended spectrum β-lactamase (ESBL)-producing Escherichia coli isolates were obtained against a wide range of antimicrobials. The aim of the study was to better understand whether the current wastewater treatment practices allow us to obtain safe reclaimed water mitigating the spread of ARB and ARGs to the environment. Results showed high concentrations of ESBL-producing E. coli as well as a high prevalence of a range of ARGs in the influent samples. The reclamation treatments implemented in the WWTPs were effective in reducing both the occurrence of ESBL E. coli and ARGs, although significant differences were observed among WWTPs. Despite these reductions in occurrence observed upon wastewater treatment, our findings suggest that WWTP effluents may represent an important source of ARGs, which could be transferred among environmental bacteria and disseminate antimicrobial resistance through the food chain. Remarkably, no major differences were observed in the susceptibility profiles of the ESBL E. coli isolated from influent and effluent waters, indicating that water treatments do not give rise to the emergence of new resistance phenotypes.
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Affiliation(s)
- Márcia Oliveira
- Department of Food Hygiene and Technology, Universidad de León, 24071 León, Spain
- Correspondence: ; Tel.: +34-987291182
| | - Pilar Truchado
- Research Group on Microbiology and Quality of Fruit and Vegetables, Food Science and Technology Department, CEBAS-CSIC, 25, Espinardo, 30100 Murcia, Spain
| | | | - María I. Gil
- Research Group on Microbiology and Quality of Fruit and Vegetables, Food Science and Technology Department, CEBAS-CSIC, 25, Espinardo, 30100 Murcia, Spain
| | - Manuel Abellán Soler
- Entidad Regional de Saneamiento y Depuración de Murcia (ESAMUR), Avda. Juan Carlos I, s/n. Ed. Torre Jemeca, 30009 Murcia, Spain
| | - Amador Rancaño
- Acciona Agua, S.A.U., Avda. de Europa, 18, Parque Empresarial La Moraleja, 28108 Alcobendas, Spain
| | - Francisca García
- Acciona Agua, S.A.U., Avda. de Europa, 18, Parque Empresarial La Moraleja, 28108 Alcobendas, Spain
| | - Avelino Álvarez-Ordóñez
- Department of Food Hygiene and Technology, Universidad de León, 24071 León, Spain
- Institute of Food Science and Technology, Universidad de León, 24007 León, Spain
| | - Ana Allende
- Research Group on Microbiology and Quality of Fruit and Vegetables, Food Science and Technology Department, CEBAS-CSIC, 25, Espinardo, 30100 Murcia, Spain
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17
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Henriot CP, Celle H, Klaba V, Biguenet A, Miège C, Daval A, Amiotte-Suchet P, Beugnot JC, Karbowiak T, Bertrand X. Effect of a karst system (France) on extended spectrum beta-lactamase (ESBL)-producing Escherichia coli. WATER RESEARCH 2023; 230:119582. [PMID: 36642030 DOI: 10.1016/j.watres.2023.119582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/16/2022] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
Karst aquifers are an important water resource worldwide particularly exposed to anthropogenic pollution, including antibiotic-resistance. The release of antibiotic-resistant bacterial pathogens in the environment is a major public health challenge worldwide. In this One Health study, we aimed to determine the effect of karst on antibiotic-resistant bacteria. For this purpose, we determined the concentrations of extended-spectrum β-lactamases-producing Escherichia coli (ESBL-Ec) for 92 weeks in a rural karst hydrosystem providing drinking water. ESBL-Ec isolates (n = 130) were sequenced by whole genome sequencing. We analysed the isolates at different levels of granularity, i.e., phylogroup, sequence type, presence of antibiotic-resistance genes, mutations conferring antibiotic-resistance, and virulence genes. The ESBL-Ec concentrations were spatially and temporally heterogeneous in the studied karst hydrosystem. ESBL-Ec isolates survived in the karst and their concentrations were mostly explained by the hydrodynamic of the hydrosystem. We demonstrate that the studied karst has no filtration effect on ESBL-Ec, either quantitatively (i.e., in the ESBL-Ec concentrations) or qualitatively (i.e., in the genetic characteristics of ESBL-Ec isolates).
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Affiliation(s)
- Charles P Henriot
- Chrono-Environnement UMR 6249, CNRS, Université de Franche-Comté, Besançon 25000, France.
| | - Hélène Celle
- Chrono-Environnement UMR 6249, CNRS, Université de Franche-Comté, Besançon 25000, France
| | - Victor Klaba
- Chrono-Environnement UMR 6249, CNRS, Université de Franche-Comté, Besançon 25000, France
| | - Adrien Biguenet
- Hygiène Hospitalière, Centre Hospitalier Universitaire de Besançon, 3 Boulevard Fleming, Besançon 25030, France
| | - Cécile Miège
- INRAE, RiverLy, 5 rue de la Doua, CS20244, Villeurbanne 69625, France
| | - Amandine Daval
- INRAE, RiverLy, 5 rue de la Doua, CS20244, Villeurbanne 69625, France
| | - Philippe Amiotte-Suchet
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne Franche-Comté, 6 Boulevard Gabriel, Dijon 21000, France
| | - Jean-Charles Beugnot
- UMR CNRS 6174 FEMTO-ST, Université de Bourgogne Franche-Comté, 15B Avenue des Montboucons, Besançon 25030, France
| | - Thomas Karbowiak
- Institut Agro Dijon, University Bourgogne Franche-Comté, UMR PAM 02 102, 1 Esplanade Erasme, Dijon 21000, France
| | - Xavier Bertrand
- Chrono-Environnement UMR 6249, CNRS, Université de Franche-Comté, Besançon 25000, France; Hygiène Hospitalière, Centre Hospitalier Universitaire de Besançon, 3 Boulevard Fleming, Besançon 25030, France
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18
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van Heijnsbergen E, Niebaum G, Lämmchen V, Borneman A, Hernández Leal L, Klasmeier J, Schmitt H. (Antibiotic-Resistant) E. coli in the Dutch-German Vecht Catchment─Monitoring and Modeling. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:15064-15073. [PMID: 35657069 PMCID: PMC9631988 DOI: 10.1021/acs.est.2c00218] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Fecally contaminated waters can be a source for human infections. We investigated the occurrence of fecal indicator bacteria (E. coli) and antibiotic-resistant E. coli, namely, extended spectrum beta-lactamase (ESBL)-producing E. coli (ESBL-EC) and carbapenemase-producing E. coli (CP-EC) in the Dutch-German transboundary catchment of the Vecht River. Over the course of one year, bacterial concentrations were monitored in wastewater treatment plant (WWTP) influents and effluents and in surface waters with and without WWTP influence. Subsequently, the GREAT-ER model was adopted for the prediction of (antibiotic-resistant) E. coli concentrations. The model was parametrized and evaluated for two distinct scenarios (average flow scenario, dry summer scenario). Statistical analysis of WWTP monitoring data revealed a significantly higher (factor 2) proportion of ESBL-EC among E. coli in German compared to Dutch WWTPs. CP-EC were present in 43% of influent samples. The modeling approach yielded spatially accurate descriptions of microbial concentrations for the average flow scenario. Predicted E. coli concentrations exceed the threshold value of the Bathing Water Directive for a good bathing water quality at less than 10% of potential swimming sites in both scenarios. During a single swimming event up to 61 CFU of ESBL-EC and less than 1 CFU of CP-EC could be taken up by ingestion.
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Affiliation(s)
- Eri van Heijnsbergen
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
| | - Gunnar Niebaum
- Institute
of Environmental Systems Research, Osnabrück
University, Barbarastraße 12, D-49076, Osnabrück, Germany
| | - Volker Lämmchen
- Institute
of Environmental Systems Research, Osnabrück
University, Barbarastraße 12, D-49076, Osnabrück, Germany
| | - Alicia Borneman
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
| | - Lucia Hernández Leal
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
| | - Jörg Klasmeier
- Institute
of Environmental Systems Research, Osnabrück
University, Barbarastraße 12, D-49076, Osnabrück, Germany
| | - Heike Schmitt
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
- Institute
for Risk Assessment Sciences, Utrecht University, Yalelaan 2, 3584 CM Utrecht, The Netherlands
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19
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Tapia-Arreola AK, Ruiz-Garcia DA, Rodulfo H, Sharma A, De Donato M. High Frequency of Antibiotic Resistance Genes (ARGs) in the Lerma River Basin, Mexico. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192113988. [PMID: 36360888 PMCID: PMC9657182 DOI: 10.3390/ijerph192113988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/24/2022] [Accepted: 10/24/2022] [Indexed: 05/31/2023]
Abstract
The spread of beta-lactamase-producing bacteria is of great concern and the environment has been found to be a main source of contamination. Herein, it was proposed to determine the frequency of antimicrobial-resistant-Gram-negative bacteria throughout the Lerma River basin using phenotypic and molecular methods. Resistant bacteria were isolated with chromogenic media and antimicrobial susceptibility tests were used to characterize their resistance. ARGs for beta-lactams, aminoglycosides, and quinolones were detected by PCR. Species were identified by Sanger sequencing the 16S rRNA gene and the representative genomes of MDR strains were sequenced by NGS. A high variation in the number of isolates was observed in the 20 sampled sites, while observing a low diversity among the resistant bacteria. Of the 12 identified bacterial groups, C. freundii, E. coli, and S. marcescens were more predominant. A high frequency of resistance to beta-lactams, quinolones, and aminoglycosides was evidenced, where the blaCTX,qnrB, qnrS y, and aac(6')lb-cr genes were the most prevalent. C. freundii showed the highest frequency of MDR strains. Whole genome sequencing revealed that S. marcescens and K. pneumoniae showed a high number of shared virulence and antimicrobial resistance genes, while E. coli showed the highest number of unique genes. The contamination of the Lerma River with MDR strains carrying various ARGs should raise awareness among environmental authorities to assess the risks and regulations regarding the optimal hygienic and sanitary conditions for this important river that supports economic activities in the different communities in Mexico.
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20
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Waśko I, Kozińska A, Kotlarska E, Baraniak A. Clinically Relevant β-Lactam Resistance Genes in Wastewater Treatment Plants. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192113829. [PMID: 36360709 PMCID: PMC9657204 DOI: 10.3390/ijerph192113829] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 05/17/2023]
Abstract
Antimicrobial resistance (AMR) is one of the largest global concerns due to its influence in multiple areas, which is consistent with One Health's concept of close interconnections between people, animals, plants, and their shared environments. Antibiotic-resistant bacteria (ARB) and antibiotic-resistance genes (ARGs) circulate constantly in various niches, sediments, water sources, soil, and wastes of the animal and plant sectors, and is linked to human activities. Sewage of different origins gets to the wastewater treatment plants (WWTPs), where ARB and ARG removal efficiency is still insufficient, leading to their transmission to discharge points and further dissemination. Thus, WWTPs are believed to be reservoirs of ARGs and the source of spreading AMR. According to a World Health Organization report, the most critical pathogens for public health include Gram-negative bacteria resistant to third-generation cephalosporins and carbapenems (last-choice drugs), which represent β-lactams, the most widely used antibiotics. Therefore, this paper aimed to present the available research data for ARGs in WWTPs that confer resistance to β-lactam antibiotics, with a particular emphasis on clinically important life-threatening mechanisms of resistance, including extended-spectrum β-lactamases (ESBLs) and carbapenemases (KPC, NDM).
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Affiliation(s)
- Izabela Waśko
- Department of Biomedical Research, National Medicines Institute, Chelmska 30/34, 00-725 Warsaw, Poland
- Correspondence: ; Tel.: +48-228-410-623
| | - Aleksandra Kozińska
- Department of Biomedical Research, National Medicines Institute, Chelmska 30/34, 00-725 Warsaw, Poland
| | - Ewa Kotlarska
- Genetics and Marine Biotechnology Department, Institute of Oceanology of the Polish Academy of Sciences, Powstancow Warszawy 55, 81-712 Sopot, Poland
| | - Anna Baraniak
- Department of Biomedical Research, National Medicines Institute, Chelmska 30/34, 00-725 Warsaw, Poland
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21
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Li X, Ahmed W, Wu Z, Xia Y. Developing a novel Bifidobacterium phage quantitative polymerase chain reaction-based assay for tracking untreated wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:155815. [PMID: 35550888 DOI: 10.1016/j.scitotenv.2022.155815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Microbial source tracking (MST) tools provide insights on fecal pollution levels in aquatic environments using predominantly quantitative PCR (qPCR) assays that target host-associated molecular marker genes. Existing wastewater-associated marker genes have shown limited or significant cross-reactions with non-human fecal samples. In this study, we mined the current Gut Phage Database (GPD) and designed a novel untreated wastewater-specific Bifidobacterium phage qPCR assay (i.e., Bifi assay). The sensitivity and specificity of the Bifi marker genes were assessed by collectively analyzing untreated (n = 33) and treated (n = 15) wastewater and non-human fecal samples (i.e., Rabbit, mouse, cow, horse, pig, chicken, sheep, dog, deer, kangaroos; n = 113) in Shenzhen, Guangdong Province, China and Brisbane, Australia. Bifi assay revealed 100% host-specificity against non-human fecal samples collected from Shenzhen and Brisbane. Furthermore, this marker gene was also detected in all untreated and treated wastewater samples, whose concentrations ranged from 5.54 to 6.83 log10 GC/L. In Shenzhen, the concentrations of Bifi marker gene were approximately two orders of magnitude lower than Bacteroides (HF183/BacR287 assay) and CrAssphage (CPQ_56 assay). The concentration of Bifi marker gene in untreated wastewater from Brisbane was 1.35 log10 greater than those in Shenzhen. Our results suggest that Bifi marker gene has the potential to detect and quantify the levels of human fecal pollution in Shenzhen and Brisbane. If additional detection sensitivity is required for environmental studies, Bifi marker gene should be paired with either CrAssphage or HF183/BacR287 marker genes.
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Affiliation(s)
- Xiang Li
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Warish Ahmed
- CSIRO Land and Water, Ecosciences Precinct, 41 Boggo Road, Dutton Park, QLD 4102, Australia
| | - Ziqi Wu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yu Xia
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
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22
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Atta HI, Idris SM, Gulumbe BH, Awoniyi OJ. Detection of extended spectrum beta-lactamase genes in strains of Escherichia coli and Klebsiella pneumoniae isolated from recreational water and tertiary hospital waste water in Zaria, Nigeria. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:2074-2082. [PMID: 34151649 DOI: 10.1080/09603123.2021.1940884] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 05/07/2021] [Accepted: 06/07/2021] [Indexed: 06/13/2023]
Abstract
Extended spectrum beta-lactamase (ESBL) producing bacteria pose a severe health risk globally. This study focused on detecting ESBL genes in Escherichia coli and Klebsiella pneumoniae isolated from a recreational water source and the waste water from a tertiary hospital in Zaria, Kaduna State, Nigeria. The isolates (twenty-two) were screened phenotypically for extended spectrum beta lactamase production using the double disk synergy test. Of the isolates, 13 (59.1%) were E. coli, while 9 (40.9%) were Klebsiella pneumoniae; 17 (77.3%) were isolated from the waste water and 5 (22.7%) were isolated from the recreational water. Six (27.2%) of them showed ESBL production phenotypically; however, PCR amplification of the ESBL genes showed that only five of them had at least one of the genes. The presence of ESBL bacteria in hospital waste water and surface waters highlights that water matrices are important routes of transmission of antibiotic resistant bacteria.
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Affiliation(s)
- H I Atta
- Department of Microbiology, Faculty of Life Sciences, Ahmadu Bello University Zaria, Zaria, Nigeria
| | - S M Idris
- Department of Microbiology, Faculty of Life Sciences, Ahmadu Bello University Zaria, Zaria, Nigeria
| | - B H Gulumbe
- Department of Microbiology, Faculty of Science, Federal University Birnin Kebbi, Birnin Kebbi, Nigeria
| | - O J Awoniyi
- Department of Microbiology, Faculty of Life Sciences, Ahmadu Bello University Zaria, Zaria, Nigeria
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23
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Paumier A, Asquier-Khati A, Thibaut S, Coeffic T, Lemenand O, Larramendy S, Leclère B, Caillon J, Boutoille D, Birgand G. Assessment of Factors Associated With Community-Acquired Extended-Spectrum β-Lactamase-Producing Escherichia coli Urinary Tract Infections in France. JAMA Netw Open 2022; 5:e2232679. [PMID: 36129706 PMCID: PMC9494187 DOI: 10.1001/jamanetworkopen.2022.32679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
IMPORTANCE Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli is considered a leading pathogen contributing to the global burden of antimicrobial resistance. OBJECTIVE To better understand factors associated with the heterogeneity of community-acquired ESBL-producing E coli urinary tract infections (UTIs) in France. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study performed from January 1 to December 31, 2021, was based on data collected via PRIMO (Surveillance and Prevention of Antimicrobial Resistance in Primary Care and Nursing Homes), a nationwide clinical laboratory surveillance system in France. Strains of E coli isolated from community urine samples from January 1 to December 31, 2019, from 59 administrative departments of metropolitan France were included. MAIN OUTCOMES AND MEASURES Quasi-Poisson regression models were used to assess the associations between several ecological factors available on government and administration websites between 2010 and 2020 (demographic population structure, living conditions, baseline health care services, antibiotic consumptions, economic indicators, animal farming density, and environmental characteristics) and the number of ESBL-producing E coli strains isolated from urine samples of individuals with community-acquired UTI in 2019. RESULTS Among 444 281 E coli isolates from urine samples tested in 1013 laboratories, the mean prevalence of ESBL-producing E coli was 3.0% (range, 1.4%-8.8%). In an adjusted model, the number of community-acquired ESBL-producing E coli UTIs in each department was positively associated with the percentage of children younger than 5 years (adjusted β1 coefficient, 0.112 [95% CI, 0.040-0.185]; P = .004), overcrowded households (adjusted β1 coefficient, 0.049 [95% CI, 0.034 to 0.062]; P < .001), consumption of fluoroquinolones (adjusted β1 coefficient, 0.002 [95% CI, 0.001-0.002]; P < .001), and tetracyclines (adjusted β1 coefficient, 0.0002 [0.00004 to 0.00039]; P = .02), and poultry density (adjusted β1 coefficient, 0.0001 [95% CI, 0.0001-0.0002]; P < .001). The social deprivation index (adjusted β1 coefficient, -0.115 [95% CI, -0.165 to -0.064]; P < .001) and the proportion of water surface area (adjusted β1 coefficient, -0.052 [-0.081 to -0.024]; P = .001) were negatively associated with a higher number of community-acquired ESBL-producing E coli UTIs. CONCLUSIONS AND RELEVANCE The findings of this cross-sectional study suggest that multiple human health, animal health, and environmental factors are associated with the occurence of community-acquired ESBL E coli UTI. Strategies to mitigate ESBL in the community should follow the One Health approach and address the role played by fluoroquinolones, tetracycline use, poultry density, overcrowded households, and preschool-aged children.
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Affiliation(s)
- Adeline Paumier
- Centre d’Appui à la Prévention des Infections Associées aux Soins des Pays de la Loire, Centre Hospitalier Universitaire (CHU)–Le Tourville, Nantes, France
| | - Antoine Asquier-Khati
- Centre d’Appui à la Prévention des Infections Associées aux Soins des Pays de la Loire, Centre Hospitalier Universitaire (CHU)–Le Tourville, Nantes, France
- Department of General Practice, Faculty of Medicine, University of Nantes, Nantes, France
| | - Sonia Thibaut
- French National Surveillance System of Antimicrobial Resistance in Primary Care and Nursing Homes, PRIMO, CHU–Le Tourville, Nantes, France
| | - Thomas Coeffic
- French National Surveillance System of Antimicrobial Resistance in Primary Care and Nursing Homes, PRIMO, CHU–Le Tourville, Nantes, France
| | - Olivier Lemenand
- French National Surveillance System of Antimicrobial Resistance in Primary Care and Nursing Homes, PRIMO, CHU–Le Tourville, Nantes, France
| | - Stéphanie Larramendy
- Department of General Practice, Faculty of Medicine, University of Nantes, Nantes, France
| | - Brice Leclère
- Department of Infectious Diseases, University Hospital of Nantes and Centre d’Investigation Clinique 1413, Institut National de la Santé et de la Recherche Médicale, Nantes, France
| | - Jocelyne Caillon
- French National Surveillance System of Antimicrobial Resistance in Primary Care and Nursing Homes, PRIMO, CHU–Le Tourville, Nantes, France
| | - David Boutoille
- Department of Medical Evaluation and Epidemiology, CHU Nantes, Pays de la Loire, Nantes, France
| | - Gabriel Birgand
- Centre d’Appui à la Prévention des Infections Associées aux Soins des Pays de la Loire, Centre Hospitalier Universitaire (CHU)–Le Tourville, Nantes, France
- French National Surveillance System of Antimicrobial Resistance in Primary Care and Nursing Homes, PRIMO, CHU–Le Tourville, Nantes, France
- National Institute for Health Research Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance at Imperial College London, Hammersmith Campus, London, United Kingdom
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24
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Henriot CP, Martak D, Genet S, Bornette G, Hocquet D. Origin, fluxes, and reservoirs of Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa in aquatic ecosystems of a French floodplain. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 834:155353. [PMID: 35460768 DOI: 10.1016/j.scitotenv.2022.155353] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
The release and spread of opportunistic pathogens - some of which are resistant to antibiotics - in the environment is a major public health challenge worldwide. In this study, we found evidence of the origin of such microorganisms and characterized their dispersal and survival in floodplain ecosystems to understand their fate in the environment. We determined the concentrations of Escherichia coli, extended-spectrum β-lactamases (ESBL)-producing E. coli, Klebsiella pneumoniae, ESBL-producing K. pneumoniae, and Pseudomonas aeruginosa in a floodplain of Eastern France using a culture-based method. Furthermore, we assessed the population structure of E. coli isolates by quadruplex PCR, their plasmid replicon content by PCR-based replicon typing, and the nature of their blaESBL genes by PCR and sequencing. The main aquatic ecosystems of the floodplain (river, tributaries, riverine wetlands, and groundwater) were sampled monthly over a one-year cycle. The majority of E. coli isolates retrieved in the studied floodplain were likely of human origin. Moreover, contamination of floodplain aquatic ecosystems by opportunistic pathogens mainly resulted from hydrological fluxes during high-flow periods, suggesting that dispersal and dilution predominated. During low-flow periods, E. coli may be able to survive for several months in isolated ecosystems in which it may find favourable conditions to thrive. The most nutrient-rich and isolated wetlands are consequently potential pathogen reservoirs. The production of ESBL was not a disadvantage for E. coli in low-anthropized floodplain ecosystems.
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Affiliation(s)
- Charles P Henriot
- UMR CNRS 6249 Chrono-environnement, Université de Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France.
| | - Daniel Martak
- UMR CNRS 6249 Chrono-environnement, Université de Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France; Hygiène Hospitalière, Centre Hospitalier Universitaire de Besançon, 3 boulevard Fleming, 25030 Besançon, France
| | - Salomé Genet
- UMR CNRS 6249 Chrono-environnement, Université de Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France
| | - Gudrun Bornette
- UMR CNRS 6249 Chrono-environnement, Université de Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France
| | - Didier Hocquet
- UMR CNRS 6249 Chrono-environnement, Université de Bourgogne Franche-Comté, 16 Route de Gray, 25030 Besançon, France; Hygiène Hospitalière, Centre Hospitalier Universitaire de Besançon, 3 boulevard Fleming, 25030 Besançon, France; Centre de Ressources Biologiques Filière Microbiologie de Besançon, Centre Hospitalier Universitaire, 3 boulevard Fleming, 25030 Besançon, France
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25
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Behruznia M, Gordon DM. Molecular and metabolic characteristics of wastewater associated Escherichia coli strains. ENVIRONMENTAL MICROBIOLOGY REPORTS 2022; 14:646-654. [PMID: 35638456 PMCID: PMC9543349 DOI: 10.1111/1758-2229.13076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 04/18/2022] [Indexed: 06/04/2023]
Abstract
We previously characterized the genetic diversity of Escherichia coli strains isolated from septic tanks in the Canberra region, Australia. In this study, we used repetitive element palindromic (REP) PCR fingerprinting to identify dominant REP-types belonging to phylogroups A and B1 strains across septic tanks. Subsequently, 76 E. coli strains were selected for whole-genome sequencing and phenotype microarrays. Comparative genome analysis was performed to compare septic tank E. coli genomes with a collection of 433 E. coli isolates from different hosts and freshwater. Clonal complexes (CCs) 10 (n = 15) and 399 (n = 10) along with sequence type (ST) 401 (n = 9) were the common lineages in septic tanks. CC10 strains have been detected from animal hosts and freshwater, whereas CC399 and ST401 strains appeared to be associated with septic tanks as they were uncommon in isolates from other sources. Comparative genome analysis revealed that CC399 and ST401 were genetically distinct from other isolates and carried an abundance of niche-specific traits involved in environmental adaptation. These strains also showed distinct metabolic characteristics, such as the ability to utilize pectin, which may provide a fitness advantage under nutrient-limited conditions. The results of this study characterized the adaptive mechanisms allowing E. coli to persist in wastewater.
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Affiliation(s)
- Mahboobeh Behruznia
- Division of Ecology and Evolution, Research School of BiologyThe Australian National UniversityCanberraACT2601Australia
| | - David M. Gordon
- Division of Ecology and Evolution, Research School of BiologyThe Australian National UniversityCanberraACT2601Australia
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26
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Antimicrobial Resistance Patterns and Clonal Distribution of E. coli, Enterobacter spp. and Acinetobacter spp. Strains Isolated from Two Hospital Wastewater Plants. Antibiotics (Basel) 2022; 11:antibiotics11050601. [PMID: 35625245 PMCID: PMC9137823 DOI: 10.3390/antibiotics11050601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 02/01/2023] Open
Abstract
The objective of this study was to determine the presence and persistence of antimicrobial-resistant enterobacteria and their clonal distribution in hospital wastewater. A descriptive cross-sectional study was carried out in wastewater from two Mexico City tertiary level hospitals. In February and March of 2020, eight wastewater samples were collected and 26 isolates of enterobacteria were recovered, 19 (73.1%) isolates were identified as E. coli, 5 (19.2%) as Acinetobacter spp. and 2 (7.7%) as Enterobacter spp. Antimicrobial susceptibility profiles were performed using the VITEK 2® automated system and bacterial identification was performed by the Matrix-Assisted Laser Desorption/Ionization-Time of Flight mass spectrometry (MALDI-TOF MS®). ESBL genes were detected by polymerase chain reaction (PCR) and clonal distributions of isolates were determined by pulsed-field gel electrophoresis (PFGE). E. coli susceptibility to different classes of antimicrobials was analyzed and resistance was mainly detected as ESBLs and fluoroquinolones. One E. coli strain was resistant to doripenem, ertapenem, imipenem and meropenem. The analysis by PCR showed the presence of specific β-lactamases resistance genes (blaKPC, blaCTX-M). The PFGE separated the E. coli isolates into 19 different patterns (A–R). PFGE results of Acinetobacter spp. showed the presence of a majority clone A. Surveillance of antimicrobial resistance through hospital wastewater is an important tool for early detection of clonal clusters of clinically important bacteria with potential for dissemination.
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Sun R, Yu P, Zuo P, Alvarez PJ. Bacterial Concentrations and Water Turbulence Influence the Importance of Conjugation Versus Phage-Mediated Antibiotic Resistance Gene Transfer in Suspended Growth Systems. ACS ENVIRONMENTAL AU 2022; 2:156-165. [PMID: 37101581 PMCID: PMC10114721 DOI: 10.1021/acsenvironau.1c00027] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Despite the abundance of phage-borne antibiotic resistance genes (ARGs) in the environment, the frequency of ARG propagation via phage-mediated transduction (relative to via conjugation) is poorly understood. We investigated the influence of bacterial concentration and water turbulence level [quantified as Reynold's number (Re)] in suspended growth systems on the frequency of ARG transfer by two mechanisms: delivery by a lysogenic phage (phage λ carrying gentamycin-resistance gene, genR) and conjugation mediated by the self-transmissible plasmid RP4. Using Escherichia coli (E. coli) as the recipient, phage delivery had a comparable frequency (1.2 ± 0.9 × 10-6) to that of conjugation (1.1 ± 0.9 × 10-6) in suspensions with low cell concentration (104 CFU/mL) and moderate turbulence (Re = 5 × 104). Turbulence affected cell (or phage)-to-cell contact rates and detachment (due to shear force), and thus, it affected the relative importance of conjugation versus phage delivery. At 107 CFU/mL, no significant difference was observed between the frequencies of ARG transfer by the two mechanisms under quiescent water conditions (2.8 ± 0.3 × 10-5 for conjugation vs 2.2 ± 0.5 × 10-5 for phage delivery, p = 0.19) or when Re reached 5 × 105 (3.4 ± 1.5 × 10-5 for conjugation vs 2.9 ± 1.0 × 10-5 for phage delivery, p = 0.52). Transcriptomic analysis of genes related to conjugation and phage delivery and simulation of cell (or phage)-to-cell collisions at different Re values corroborate that the importance of phage delivery relative to conjugation increases under either quiescent or turbulent conditions. This finding challenges the prevailing view that conjugation is the dominant ARG transfer mechanism and underscores the need to consider and mitigate potential ARG dissemination via transduction.
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Affiliation(s)
- Ruonan Sun
- Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
| | - Pingfeng Yu
- Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
| | - Pengxiao Zuo
- Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
| | - Pedro J.J. Alvarez
- Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
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Do QTT, Otaki M, Otaki Y, Tushara C, Sanjeewa IW. Pharmaceutical Contaminants in Shallow Groundwater and Their Implication for Poor Sanitation Facilities in Low-Income Countries. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:266-274. [PMID: 33978268 DOI: 10.1002/etc.5110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/31/2021] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
Rudimentary on-site sanitation systems (OSSs) are extensively used in low-income countries despite the risk of groundwater contamination. The present study investigated the potential impact of community soak pits on sandy shallow aquifers in a rural area in Sri Lanka. Thirty-two groundwater samples were collected and measured for the traditional indicators fecal bacteria Escherichia coli, total coliforms, nitrate, and chloride; 7 pharmaceuticals were added as wastewater indicators. Analysis showed that the local groundwater is infected by fecal bacteria, but it was unable to determine whether the source of fecal bacteria is the OSSs. Similarly, nitrate and chloride provided unclear evidence. Conversely, detection of 3 pharmaceuticals at trace levels in groundwater evidenced wastewater impact from OSSs. Caffeine was detected in 89% of the sample at a maximum concentration 7.9 ng/L, indicating fecal pollution. Carbamazepine was detected in 42% of the samples with a concentration of up to 6.9 ng/L, whereas sulfamethoxazole was detected in only 2 samples. The presence of carbamazepine and sulfamethoxazole was also consistent with recorded drug use of the residents. Escherichia coli showed a moderate positive correlation with caffeine concentration (Kendall's τ = 0.38, p = 0.017), indicating concurring short-lifetime fecal bacteria and labile wastewater organic compounds. Nitrate showed a significant correlation with carbamazepine concentration (τ = 0.39, p = 0.016). Fecal bacteria and nitrate can be used in screening for micropollutants in domestic wells impacted by OSSs. The present case study emphasizes the potential impact of poor sanitation on groundwater resources and the necessity of sanitation improvement in achieving Sustainable Development Goals in developing countries. Environ Toxicol Chem 2022;41:266-274. © 2021 SETAC.
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Affiliation(s)
- Quyen Thi Thuy Do
- Department of Human Centered Engineering, Ochanomizu University, Tokyo, Japan
| | - Masahiro Otaki
- Faculty of Core Research, Natural Science Division, Ochanomizu University, Tokyo, Japan
| | - Yurina Otaki
- Graduate School of Social Sciences, Hitotsubashi University, Tokyo, Japan
| | - Chaminda Tushara
- Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka
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Haenni M, Dagot C, Chesneau O, Bibbal D, Labanowski J, Vialette M, Bouchard D, Martin-Laurent F, Calsat L, Nazaret S, Petit F, Pourcher AM, Togola A, Bachelot M, Topp E, Hocquet D. Environmental contamination in a high-income country (France) by antibiotics, antibiotic-resistant bacteria, and antibiotic resistance genes: Status and possible causes. ENVIRONMENT INTERNATIONAL 2022; 159:107047. [PMID: 34923370 DOI: 10.1016/j.envint.2021.107047] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/09/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Antimicrobial resistance (AMR) is a major global public health concern, shared by a large number of human and animal health actors. Within the framework of a One Health approach, actions should be implemented in the environmental realm, as well as the human and animal realms. The Government of France commissioned a report to provide policy and decision makers with an evidential basis for recommending or taking future actions to mitigate AMR in the environment. We first examined the mechanisms that underlie the emergence and persistence of antimicrobial resistance in the environment. This report drew up an inventory of the contamination of aquatic and terrestrial environments by AMR and antibiotics, anticipating that the findings will be representative of some other high-income countries. Effluents of wastewater treatment plants were identified as the major source of contamination on French territory, with spreading of organic waste products as a more diffuse and incidental contamination of aquatic environments. A limitation of this review is the heterogeneity of available data in space and time, as well as the lack of data for certain sources. Comparing the French Measured Environmental Concentrations (MECs) with predicted no effect concentrations (PNECs), fluoroquinolones and trimethoprim were identified as representing high and medium risk of favoring the selection of resistant bacteria in treated wastewater and in the most contaminated rivers. All other antibiotic molecules analyzed (erythromycin, clarithromycin, azithromycin, tetracycline) were at low risk of resistance selection in those environments. However, the heterogeneity of the data available impairs their full exploitation. Consequently, we listed indicators to survey AMR and antibiotics in the environment and recommended the harmonization of sampling strategies and endpoints for analyses. Finally, the objectives and methods used for the present work could comprise a useful example for how national authorities of countries sharing common socio-geographic characteristics with France could seek to better understand and define the environmental dimension of AMR in their particular settings.
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Affiliation(s)
- Marisa Haenni
- Unité Antibiorésistance et Virulence Bactériennes, ANSES (French Agency for Food, Environmental and Occupational Health & Safety) - Université de Lyon, Lyon, France
| | - Christophe Dagot
- Université of Limoges, RESINFIT, UMR INSERM 1092, CHU, F-87000 Limoges, France
| | - Olivier Chesneau
- Collection de l'Institut Pasteur (CIP), Microbiology Department, Institut Pasteur, Paris, France
| | - Delphine Bibbal
- INTHERES, Université de Toulouse, INRAE, ENVT, Toulouse, France
| | - Jérôme Labanowski
- Université de Poitiers, UMR CNRS 7285 IC2MP, ENSI Poitiers, Poitiers, France
| | | | - Damien Bouchard
- National Agency for Veterinary Medicinal Products, ANSES, Fougères, France
| | | | - Louisiane Calsat
- Risk Assessment Department (DER), ANSES (French Agency for Food, Environmental and Occupational Health & Safety), Maisons-Alfort, France
| | - Sylvie Nazaret
- Université de Lyon, Université Claude Bernard Lyon 1, UMR CNRS 5557, UMR INRAE 1418, VetAgro Sup, Ecologie Microbienne, F-69622 Villeurbanne, France
| | - Fabienne Petit
- UNIROUEN, UNICAEN, CNRS, M2C, Normandie Université Rouen, France; Sorbonne Université, CNRS, EPHE, PSL, UMR METIS, Paris F-75005, France
| | | | | | - Morgane Bachelot
- ANSES (French Agency for Food, Environmental and Occupational Health & Safety), Maisons-Alfort, France
| | - Edward Topp
- Agriculture and Agri-Food Canada, and University of Western Ontario, London, ON, Canada
| | - Didier Hocquet
- UMR Chronoenvironnement CNRS 6249, Université de Bourgogne Franche-Comté, Besançon, France; Hygiène Hospitalière, Centre Hospitalier Universitaire, 25030 Besançon, France.
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Miltgen G, Martak D, Valot B, Kamus L, Garrigos T, Verchere G, Gbaguidi-Haore H, Ben Cimon C, Ramiandrisoa M, Picot S, Lignereux A, Masson G, Jaffar-Bandjee MC, Belmonte O, Cardinale E, Hocquet D, Mavingui P, Bertrand X. OUP accepted manuscript. J Antimicrob Chemother 2022; 77:1254-1262. [PMID: 35194647 PMCID: PMC9047676 DOI: 10.1093/jac/dkac054] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 02/01/2022] [Indexed: 11/18/2022] Open
Abstract
Background Extended-spectrum β-lactamase-producing Escherichia coli (ESBL-Ec) is a major cause of infections worldwide. An understanding of the reservoirs and modes of transmission of these pathogens is essential, to tackle their increasing frequency. Objectives We investigated the contributions of various compartments (humans, animals, environment), to human colonization or infection with ESBL-Ec over a 3 year period, on an island. Methods The study was performed on Reunion Island (Southwest Indian Ocean). We collected ESBL-Ec isolates prospectively from humans, wastewater and livestock between April 2015 and December 2018. Human specimens were recovered from a regional surveillance system representative of the island’s health facilities. These isolates were compared with those from livestock and urban/rural wastewater, by whole-genome sequencing. Results We collected 410 ESBL-Ec isolates: 161 from humans, 161 from wastewater and 88 from animals. Phylogenomic analysis demonstrated high diversity (100 STs), with different STs predominating among isolates from humans (ST131, ST38, ST10) and animals (ST57, ST156). The large majority (90%) of the STs, including ST131, were principally associated with a single compartment. The CTX-M-15, CTX-M-27 and CTX-M-14 enzymes were most common in humans/human wastewater, whereas CTX-M-1 predominated in animals. Isolates of human and animal origin had different plasmids carrying blaCTX-M genes, with the exception of a conserved IncI1-ST3 blaCTX-M-1 plasmid. Conclusions These molecular data suggest that, despite their high level of contamination, animals are not a major source of the ESBL-Ec found in humans living on this densely populated high-income island. Public health policies should therefore focus primarily on human-to-human transmission, to prevent human infections with ESBL-Ec.
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Affiliation(s)
- Guillaume Miltgen
- Laboratoire de Bactériologie, CHU Félix Guyon, Saint-Denis, La Réunion, France
- UMR Processus Infectieux en Milieu Insulaire Tropical, CNRS 9192, INSERM U1187, IRD 249, Université de La Réunion, Sainte-Clotilde, La Réunion, France
- Corresponding author. E-mail:
| | - Daniel Martak
- Service d’Hygiène Hospitalière, CHU Besançon, France
- UMR-CNRS 6249 Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | - Benoit Valot
- UMR-CNRS 6249 Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | - Laure Kamus
- Laboratoire de Bactériologie, CHU Félix Guyon, Saint-Denis, La Réunion, France
| | - Thomas Garrigos
- Laboratoire de Bactériologie, CHU Félix Guyon, Saint-Denis, La Réunion, France
| | - Guillaume Verchere
- UMR Processus Infectieux en Milieu Insulaire Tropical, CNRS 9192, INSERM U1187, IRD 249, Université de La Réunion, Sainte-Clotilde, La Réunion, France
| | - Houssein Gbaguidi-Haore
- Service d’Hygiène Hospitalière, CHU Besançon, France
- UMR-CNRS 6249 Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | | | | | - Sandrine Picot
- Laboratoire de Bactériologie, Groupe Hospitalier Sud Réunion, Saint-Pierre, La Réunion, France
| | - Anne Lignereux
- Laboratoire de Biologie, Centre Hospitalier Ouest Réunion, Saint-Paul, La Réunion, France
| | - Geoffrey Masson
- Laboratoire de Biologie, Groupe Hospitalier Est Réunion, Saint-Benoit, La Réunion, France
| | | | - Olivier Belmonte
- Laboratoire de Bactériologie, CHU Félix Guyon, Saint-Denis, La Réunion, France
| | - Eric Cardinale
- Centre de Coopération International en Recherche Agronomique pour le Développement (CIRAD) Océan Indien (Réunion-Mayotte), Sainte-Clotilde, La Réunion, France
- UMR Animal, Santé, Territoires, Risques et Écosystèmes, INRAe 1309, Université de Montpellier, Montpellier, France
| | - Didier Hocquet
- Service d’Hygiène Hospitalière, CHU Besançon, France
- UMR-CNRS 6249 Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
| | - Patrick Mavingui
- UMR Processus Infectieux en Milieu Insulaire Tropical, CNRS 9192, INSERM U1187, IRD 249, Université de La Réunion, Sainte-Clotilde, La Réunion, France
| | - Xavier Bertrand
- Service d’Hygiène Hospitalière, CHU Besançon, France
- UMR-CNRS 6249 Chrono-Environnement, Université de Bourgogne Franche-Comté, Besançon, France
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Rodríguez-Molina D, Berglund F, Blaak H, Flach CF, Kemper M, Marutescu L, Gradisteanu GP, Popa M, Spießberger B, Weinmann T, Wengenroth L, Chifiriuc MC, Larsson DGJ, Nowak D, Radon K, de Roda Husman AM, Wieser A, Schmitt H. Carriage of ESBL-producing Enterobacterales in wastewater treatment plant workers and surrounding residents - the AWARE Study. Eur J Clin Microbiol Infect Dis 2021:10.1007/s10096-021-04387-z. [PMID: 34902088 PMCID: PMC8667530 DOI: 10.1007/s10096-021-04387-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/29/2021] [Indexed: 12/19/2022]
Abstract
To investigate whether wastewater treatment plant (WWTP) workers and residents living in close proximity to a WWTP have elevated carriage rates of ESBL-producing Enterobacterales, as compared to the general population. From 2018 to 2020, we carried out a cross-sectional study in Germany, the Netherlands, and Romania among WWTP workers (N = 344), nearby residents (living ≤ 300 m away from WWTPs; N = 431) and distant residents (living ≥ 1000 m away = reference group; N = 1165). We collected information on potential confounders via questionnaire. Culture of participants' stool samples was performed with ChromID®-ESBL agar plates and species identification with MALDI-TOF-MS. We used logistic regression to estimate the odds ratio (OR) for carrying ESBL-producing E. coli (ESBL-EC). Sensitivity analyses included stratification by country and interaction models using country as secondary exposure. Prevalence of ESBL-EC was 11% (workers), 29% (nearby residents), and 7% (distant residents), and higher in Romania (28%) than in Germany (7%) and the Netherlands (6%). Models stratified by country showed that within the Romanian population, WWTP workers are about twice as likely (aOR = 2.34, 95% CI: 1.22-4.50) and nearby residents about three times as likely (aOR = 3.17, 95% CI: 1.80-5.59) to be ESBL-EC carriers, when compared with distant residents. In stratified analyses by country, we found an increased risk for carriage of ESBL-EC in Romanian workers and nearby residents. This effect was higher for nearby residents than for workers, which suggests that, for nearby residents, factors other than the local WWTP could contribute to the increased carriage.
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Affiliation(s)
- Daloha Rodríguez-Molina
- Occupational and Environmental Epidemiology and NetTeaching Unit, Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstr. 5, 80336, Munich, Germany.
- Institute for Medical Information Processing, Biometry, and Epidemiology - IBE, LMU Munich, Munich, Germany.
- Pettenkofer School of Public Health, Munich, Germany.
| | - Fanny Berglund
- Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Hetty Blaak
- Centre of Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Carl-Fredrik Flach
- Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Merel Kemper
- Centre of Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Luminita Marutescu
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest and the Academy of Romanian Scientists, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Gratiela Pircalabioru Gradisteanu
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest and the Academy of Romanian Scientists, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Marcela Popa
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest and the Academy of Romanian Scientists, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - Beate Spießberger
- German Centre for Infection Research (DZIF) Partner Site Munich, Munich, Germany
- Max Von Pettenkofer Institute, Faculty of Medicine, LMU Munich, Munich, Germany
- Department of Infectious Diseases and Tropical Medicine, LMU University Hospital Munich, Munich, Germany
| | - Tobias Weinmann
- Occupational and Environmental Epidemiology and NetTeaching Unit, Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstr. 5, 80336, Munich, Germany
| | - Laura Wengenroth
- Occupational and Environmental Epidemiology and NetTeaching Unit, Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstr. 5, 80336, Munich, Germany
| | - Mariana Carmen Chifiriuc
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest and the Academy of Romanian Scientists, Bucharest, Romania
- Earth, Environmental and Life Sciences Section, Research Institute of the University of Bucharest, University of Bucharest, Bucharest, Romania
| | - D G Joakim Larsson
- Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Dennis Nowak
- Occupational and Environmental Epidemiology and NetTeaching Unit, Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstr. 5, 80336, Munich, Germany
- German Center for Lung Research (DZL), Comprehensive Pneumology Center Munich (CPC-M), Munich, Germany
| | - Katja Radon
- Occupational and Environmental Epidemiology and NetTeaching Unit, Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstr. 5, 80336, Munich, Germany
| | - Ana Maria de Roda Husman
- Centre of Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Andreas Wieser
- German Centre for Infection Research (DZIF) Partner Site Munich, Munich, Germany
- Max Von Pettenkofer Institute, Faculty of Medicine, LMU Munich, Munich, Germany
- Department of Infectious Diseases and Tropical Medicine, LMU University Hospital Munich, Munich, Germany
| | - Heike Schmitt
- Centre of Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
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Bojar B, Sheridan J, Beattie R, Cahak C, Liedhegner E, Munoz-Price LS, Hristova KR, Skwor T. Antibiotic resistance patterns of Escherichia coli isolates from the clinic through the wastewater pathway. Int J Hyg Environ Health 2021; 238:113863. [PMID: 34662851 DOI: 10.1016/j.ijheh.2021.113863] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 10/13/2021] [Accepted: 10/13/2021] [Indexed: 11/26/2022]
Abstract
Antimicrobial resistance (AMR) remains one of the leading global health threats. This study compared antimicrobial resistance patterns among E. coli isolates from clinical uropathogenic Escherichia coli (UPEC) to hospital wastewater populations and throughout an urban wastewater treatment facility - influent, pre- and post-chlorinated effluents. Antibiotic susceptibility of 201 isolates were analyzed against eleven different antibiotics, and the presence of twelve antibiotic resistant genes and type 1 integrase were identified. AMR exhibited the following pattern: UPEC (46.8%) > hospital wastewater (37.8%) > urban post-chlorinated effluent (27.6%) > pre-chlorinated effluent (21.4%) > urban influent wastewater (13.3%). However, multi-drug resistance against three or more antimicrobial classes was more prevalent among hospital wastewater populations (29.7%) compared to other sources. E. coli from wastewaters disinfected with chlorine were significantly correlated with increased trimethoprim-sulfamethoxazole resistance in E. coli compared to raw and treated wastewater populations. blaCTX-M-1 group was the most common extended spectrum beta-lactamase in E. coli from hospital wastewater (90%), although UPEC strains also encoded blaCTX-M-1 group (50%) and blaTEM (100%) genes. Among tetracycline-resistant populations, tetA and tetB were the only resistance genes identified throughout wastewater populations that were associated with increased phenotypic resistance. Further characterization of the E. coli populations identified phylogroup B2 predominating among clinical UPEC populations and correlated with the highest AMR, whereas the elevated rate of multi-drug resistance among hospital wastewater was mostly phylogroup A. Together, our findings highlight hospital wastewater as a rich source of AMR and multi-drug resistant bacterial populations.
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Affiliation(s)
- Brandon Bojar
- Department of Biomedical Sciences, College of Health Sciences, University of Wisconsin - Milwaukee, Milwaukee, WI, 53211, USA
| | - Jennifer Sheridan
- Department of Biomedical Sciences, College of Health Sciences, University of Wisconsin - Milwaukee, Milwaukee, WI, 53211, USA
| | - Rachelle Beattie
- Department of Biological Sciences, Marquette University, Milwaukee, WI, 53233, USA
| | - Caitlin Cahak
- Wisconsin Diagnostic Laboratories, Milwaukee, WI, 53226, USA
| | - Elizabeth Liedhegner
- Department of Biomedical Sciences, College of Health Sciences, University of Wisconsin - Milwaukee, Milwaukee, WI, 53211, USA
| | | | | | - Troy Skwor
- Department of Biomedical Sciences, College of Health Sciences, University of Wisconsin - Milwaukee, Milwaukee, WI, 53211, USA.
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Yin K, Ding X, Xu Z, Li Z, Wang X, Zhao H, Otis C, Li B, Liu C. Multiplexed colorimetric detection of SARS-CoV-2 and other pathogens in wastewater on a 3D printed integrated microfluidic chip. SENSORS AND ACTUATORS. B, CHEMICAL 2021; 344:130242. [PMID: 34121812 PMCID: PMC8183101 DOI: 10.1016/j.snb.2021.130242] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/02/2021] [Accepted: 06/04/2021] [Indexed: 05/04/2023]
Abstract
Severe acute respiratory coronavirus 2 (SARS-CoV-2) pandemic has become a global public health emergency. The detection of SARS-CoV-2 and human enteric pathogens in wastewater can provide an early warning of disease outbreak. Herein, a sensitive, multiplexed, colorimetric detection (termed "SMCD") method was established for pathogen detection in wastewater samples. The SMCD method integrated on-chip nucleic acid extraction, two-stage isothermal amplification, and colorimetric detection on a 3D printed microfluidic chip. The colorimetric signal during nucleic acid amplification was recorded in real-time and analyzed by a programmed smartphone without the need for complicated equipment. By combining two-stage isothermal amplification assay into the integrated microfluidic platform, we detected SARS-CoV-2 and human enteric pathogens with sensitivities of 100 genome equivalent (GE)/mL and 500 colony-forming units (CFU)/mL, respectively, in wastewater within one hour. Additionally, we realized smart, connected, on-site detection with a reporting framework embedded in a portable detection platform, which exhibited potential for rapid spatiotemporal epidemiologic data collection regarding the environmental dynamics, transmission, and persistence of infectious diseases.
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Affiliation(s)
- Kun Yin
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Xiong Ding
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Zhiheng Xu
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Ziyue Li
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Xingyu Wang
- Department of Civil & Environmental Engineering, University of Connecticut, Storrs, CT, 06269-3037, USA
| | - Hui Zhao
- Department of Mechanical Engineering, University of Nevada, Las Vegas, NV, 89154, USA
| | - Clifford Otis
- Department of Civil & Environmental Engineering, University of Connecticut, Storrs, CT, 06269-3037, USA
| | - Baikun Li
- Department of Civil & Environmental Engineering, University of Connecticut, Storrs, CT, 06269-3037, USA
| | - Changchun Liu
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
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Schmiege D, Zacharias N, Sib E, Falkenberg T, Moebus S, Evers M, Kistemann T. Prevalence of multidrug-resistant and extended-spectrum beta-lactamase-producing Escherichia coli in urban community wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 785:147269. [PMID: 33932656 DOI: 10.1016/j.scitotenv.2021.147269] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/16/2021] [Accepted: 04/16/2021] [Indexed: 05/28/2023]
Abstract
Antibiotic resistance (ABR) and the spread of multidrug-resistant and extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli via wastewater to environmental compartments are of rapidly growing global health concern. Health care facilities, industries and slaughterhouses discharge high loads of ABR bacteria with their wastewater. However, the general community is often the biggest indirect discharger. Yet, research focusing explicitly on this important diffuse source is rather scarce raising questions about variations in the occurrence of ESBL-producing E. coli in wastewater from different communities and over time. Between April 2019 and March 2020, wastewater from three socio-spatially different districts in the Ruhr Metropolis, Germany, and the receiving wastewater treatment plant was sampled monthly and analysed for the occurrence of ESBL-producing E. coli via culture-based methods. Isolates were validated with matrix assisted laser desorption ionization time of flight mass spectrometry and antibiotic resistance profiles were analysed via microdilution. Results were interpreted using the European Committee on Antimicrobial Susceptibility Testing criteria. The German Commission for Hospital Hygiene and Infection Prevention criteria were used for multidrug-resistance categorization. Phenotypic ESBL-producing E. coli could be isolated from every wastewater sample demonstrating that the general community is an important indirect discharger. The socio-spatially disadvantaged area displayed higher absolute loads of ESBL-producing E. coli compared to the other two areas, as well as higher adjusted loads for domestic discharge and inhabitants, particularly during winter, indicating a higher ABR burden. Thirty-two isolates (28.6%) were characterized as multidrug-resistant Gram-negative bacteria (3MRGN). Resistance profiles varied only for those antibiotics, which can be administered in outpatient care. Resistance levels tended to be around 10% lower in the socio-spatially advantaged area. This study shows that spatial and seasonal influences regarding the occurrence of ESBL-producing E. coli in wastewater from socio-spatially different communities are identifiable.
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Affiliation(s)
- Dennis Schmiege
- Department of Geography, University of Bonn, Meckenheimer Allee 166, 53115 Bonn, Germany; Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany; Center for Development Research, University of Bonn, Genscherallee 3, 53113 Bonn, Germany; Institute for Urban Public Health, Essen University Hospital, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany.
| | - Nicole Zacharias
- Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany.
| | - Esther Sib
- Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany.
| | - Timo Falkenberg
- Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany; Center for Development Research, University of Bonn, Genscherallee 3, 53113 Bonn, Germany.
| | - Susanne Moebus
- Institute for Urban Public Health, Essen University Hospital, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany.
| | - Mariele Evers
- Department of Geography, University of Bonn, Meckenheimer Allee 166, 53115 Bonn, Germany.
| | - Thomas Kistemann
- Department of Geography, University of Bonn, Meckenheimer Allee 166, 53115 Bonn, Germany; Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany; Center for Development Research, University of Bonn, Genscherallee 3, 53113 Bonn, Germany.
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Borsetto C, Raguideau S, Travis E, Kim DW, Lee DH, Bottrill A, Stark R, Song L, Cha CJ, Pearson J, Quince C, Singer AC, Wellington EMH. Impact of sulfamethoxazole on a riverine microbiome. WATER RESEARCH 2021; 201:117382. [PMID: 34225233 DOI: 10.1016/j.watres.2021.117382] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/24/2021] [Accepted: 06/19/2021] [Indexed: 06/13/2023]
Abstract
The continued emergence of bacterial pathogens presenting antimicrobial resistance is widely recognised as a global health threat and recent attention focused on potential environmental reservoirs of antibiotic resistance genes (ARGs). Freshwater environments such as rivers represent a potential hotspot for ARGs and antibiotic resistant bacteria as they are receiving systems for effluent discharges from wastewater treatment plants (WWTPs). Effluent also contains low levels of different antimicrobials including antibiotics and biocides. Sulfonamides are antibacterial chemicals widely used in clinical, veterinary and agricultural settings and are frequently detected in sewage sludge and manure in addition to riverine ecosystems. The impact of such exposure on ARG prevalence and diversity is unknown, so the aim of this study was to investigate the release of a sub-lethal concentration of the sulfonamide compound sulfamethoxazole (SMX) on the river bacterial microbiome using a flume system. This system was a semi-natural in vitro flume using river water (30 L) and sediment (6 kg) with circulation to mimic river flow. A combination of 'omics' approaches were conducted to study the impact of SMX exposure on the microbiomes within the flumes. Metagenomic analysis showed that the addition of low concentrations of SMX (<4 μg L-1) had a limited effect on the bacterial resistome in the water fraction only, with no impact observed in the sediment. Metaproteomics did not show differences in ARGs expression with SMX exposure in water. Overall, the river bacterial community was resilient to short term exposure to sub-lethal concentrations of SMX which mimics the exposure such communities experience downstream of WWTPs throughout the year.
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Affiliation(s)
- Chiara Borsetto
- University of Warwick, School of Life Sciences, Coventry, UK.
| | | | - Emma Travis
- University of Warwick, School of Life Sciences, Coventry, UK
| | - Dae-Wi Kim
- Department of Systems Biotechnology and Center for Antibiotic Resistome, Chung-Ang University, Anseong, Republic of Korea
| | - Do-Hoon Lee
- Department of Systems Biotechnology and Center for Antibiotic Resistome, Chung-Ang University, Anseong, Republic of Korea
| | - Andrew Bottrill
- University of Warwick, School of Life Sciences, Coventry, UK
| | - Richard Stark
- University of Warwick, School of Life Sciences, Coventry, UK
| | - Lijiang Song
- University of Warwick, Department of Chemistry, Coventry, UK
| | - Chang-Jun Cha
- Department of Systems Biotechnology and Center for Antibiotic Resistome, Chung-Ang University, Anseong, Republic of Korea
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Moussa J, Abboud E, Tokajian S. The dissemination of antimicrobial resistance determinants in surface water sources in lebanon. FEMS Microbiol Ecol 2021; 97:6332278. [PMID: 34329434 DOI: 10.1093/femsec/fiab113] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/28/2021] [Indexed: 11/12/2022] Open
Abstract
The prevalence of antibiotic-resistant bacteria in surface water in Lebanon is a growing concern and understanding the mechanisms of the spread of resistance determinants is essential. We aimed at studying the occurrence of resistant bacteria and determinants in surface water sources in Lebanon and understanding their mobilization and transmission. Water samples were collected from five major rivers in Lebanon. Ninety-one isolates were recovered by incubating at 37°C on Blood and MacConkey agar out of which 25 were multi-drug resistant (MDR) and accordingly were further characterized. Escherichia coli and Klebsiella pneumoniae were the most common identified MDR isolates. Conjugation assays coupled with in silico plasmid analysis were performed and validated using PCR-based replicon typing (PBRT) to identify and confirm incompatibility groups and the localization of β-lactamase encoding genes. E. coli EC23 carried a blaNDM-5 gene on a conjugative, multireplicon plasmid, while blaCTX-M-15 and blaTEM-1B were detected in the majority of the MDR isolates. Different sequence types (STs)were identified including the highly virulent E. coli ST131. Our results showed a common occurrence of bacterial contaminants in surface water and an increase in the risk for the dissemination of resistance determinants exacerbated with the ongoing intensified population mobility in Lebanon and the widespread lack of wastewater treatment.
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Affiliation(s)
- Jennifer Moussa
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Byblos, 1401, Lebanon
| | - Edmond Abboud
- Laboratory department, the Middle East Institute of Health University Center, Bsalim, Lebanon
| | - Sima Tokajian
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, Byblos, 1401, Lebanon
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Martak D, Guther J, Verschuuren TD, Valot B, Conzelmann N, Bunk S, Riccio ME, Salamanca E, Meunier A, Henriot CP, Brossier CP, Bertrand X, Cooper BS, Harbarth S, Tacconelli E, Fluit AC, Rodriguez-Baño J, Kluytmans JAJW, Peter S, Hocquet D. Populations of extended-spectrum β-lactamase-producing Escherichia coli and Klebsiella pneumoniae are different in human-polluted environment and food items: a multicentre European study. Clin Microbiol Infect 2021; 28:447.e7-447.e14. [PMID: 34325070 DOI: 10.1016/j.cmi.2021.07.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/15/2021] [Accepted: 07/18/2021] [Indexed: 01/22/2023]
Abstract
OBJECTIVES To assess the extent to which food items are a source of extended-spectrum β-lactamase (ESBL) -producing Escherichia coli (ESBL-Ec) and ESBL-producing Klebsiella pneumoniae (ESBL-Kp) for humans in five European cities. METHODS We sampled 122 human polluted (hp)-environments (sewers and polluted rivers, as a proxy of human contamination) and 714 food items in Besançon (France), Geneva (Switzerland), Sevilla (Spain), Tübingen (Germany) and Utrecht (The Netherlands). A total of 254 ESBL-Ec and 39 ESBL-Kp isolates were cultured. All genomes were fully sequenced to compare their sequence types (ST) and core genomes, along with the distribution of blaESBL genes and their genetic supports (i.e. chromosome or plasmid). RESULTS Sequence data revealed that ESBL-Ec and ESBL-Kp isolates from hp-environments were genetically different from those contaminating food items. ESBL-Ec ST131 was widespread in the hp-environment (21.5% of the isolates) but absent from the food items tested. ESBL-Ec ST10 was in similar proportions in hp-environments and food items (15 and 10 isolates, respectively) but mostly carried reservoir-specific blaESBL. blaCTX-M-1 and blaSHV-12 predominated in food-related E. coli isolates (32% and 34% of the isolates, respectively), whereas blaCTX-M-15 and blaCTX-M-27 predominated in isolates from hp-environments (52% and 15% of the isolates, respectively). CONCLUSIONS We found a very limited connection between ESBL-Ec and ESBL-Kp populations retrieved in food items and from hp-environments and blaESBL. This suggests that human-to-human contamination, rather than the food chain, is possibly the most frequent route of ESBL-Ec and ESBL-Kp transmission in high-income countries.
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Affiliation(s)
- Daniel Martak
- Infection Control Unit, University Hospital of Besancon, Besancon, France; UMR 6249, Laboratoire Chrono-environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France.
| | - Julia Guther
- Institute of Medical Microbiology and Hygiene, University Hospital Tübingen, Tübingen, Germany
| | - Tess D Verschuuren
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Benoit Valot
- UMR 6249, Laboratoire Chrono-environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Nadine Conzelmann
- Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, Tübingen, Germany
| | - Stefanie Bunk
- Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, Tübingen, Germany
| | - M Eugenia Riccio
- Infection Control Program, Geneva University Hospital and Faculty of Medicine, Geneva, Switzerland
| | - Elena Salamanca
- Department of Infectious Diseases and Clinical Microbiology, University Hospital Virgen Macarena and Department of Medicine, University of Sevilla / Biomedicines Institute of Sevilla (IBiS), Sevilla, Spain
| | - Alexandre Meunier
- Infection Control Unit, University Hospital of Besancon, Besancon, France
| | - Charles P Henriot
- UMR 6249, Laboratoire Chrono-environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | | | - Xavier Bertrand
- Infection Control Unit, University Hospital of Besancon, Besancon, France; UMR 6249, Laboratoire Chrono-environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Ben S Cooper
- Centre for Tropical Medicine & Global Health, Nuffield Department of Medicine, University of Oxford, United Kingdom
| | - Stephan Harbarth
- Infection Control Program, Geneva University Hospital and Faculty of Medicine, Geneva, Switzerland
| | - Evelina Tacconelli
- Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, Tübingen, Germany; Infectious Diseases, Department of Diagnostics and Public Health, University of Verona, Italy
| | - Ad C Fluit
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Jesús Rodriguez-Baño
- Department of Infectious Diseases and Clinical Microbiology, University Hospital Virgen Macarena and Department of Medicine, University of Sevilla / Biomedicines Institute of Sevilla (IBiS), Sevilla, Spain
| | - Jan A J W Kluytmans
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, the Netherlands; Amphia Hospital Breda, Microvida Laboratory for Medical Microbiology, Breda, the Netherlands
| | - Silke Peter
- Institute of Medical Microbiology and Hygiene, University Hospital Tübingen, Tübingen, Germany
| | - Didier Hocquet
- Infection Control Unit, University Hospital of Besancon, Besancon, France; UMR 6249, Laboratoire Chrono-environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France; Centre de Ressources Biologiques - Filière Microbiologique de Besançon, Centre Hospitalier Régional Universitaire, Besançon, France
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Analysis of Wastewater Reveals the Spread of Diverse Extended-Spectrum β-Lactamase-Producing E. coli Strains in uMgungundlovu District, South Africa. Antibiotics (Basel) 2021; 10:antibiotics10070860. [PMID: 34356780 PMCID: PMC8300763 DOI: 10.3390/antibiotics10070860] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 11/27/2022] Open
Abstract
Wastewater treatment plants (WWTPs) are major reservoirs of antibiotic-resistant bacteria (ARB), favouring antibiotic resistance genes (ARGs) interchange among bacteria and they can provide valuable information on ARB circulating in a community. This study characterised extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli from the influent and effluent of four WWTPs in uMgungundlovu District, KwaZulu-Natal, South Africa. E. coli was enumerated using the membrane filtration method and confirmed using the API 20E test and real-time polymerase chain reaction. ESBL-producers were phenotypically identified by their susceptibility to the third-generation cephalosporins using the disc diffusion and the double-disc synergy methods against cefotaxime (30 µg) with and without 10 µg clavulanic acid. Genotypic verification was by PCR of the TEM, SHV, and CTX-M genes. The clonality of isolates was assessed by ERIC-PCR. The highest E. coli count ranged between 1.1 × 105 (influent) and 4.3 × 103 CFU/mL (effluent). Eighty pure isolates were randomly selected, ten from the influent and effluent of each of the four WWTP. ESBLs were phenotypically confirmed in 49% (n = 39) of the isolates, of which 77% (n = 30) were genotypically confirmed. Seventy-three percent of the total isolates were multidrug-resistant (MDR). Only two isolates were susceptible to all antibiotics. Overall, resistance to first and second-generation cephalosporins was higher than to third and fourth generation cephalosporins. Also, 15% of the isolates were resistant to carbapenems. The CTX-M-type ESBL (67%; n = 20) was the most common ESBL antibiotic resistance gene (ARG) followed by TEM (57%; n = 17) and SHV-types (27%; n = 8). Also, a substantial number of isolates simultaneously carried all three ESBL genes. ERIC-PCR revealed a high diversity of isolates. The diversity of the isolates observed in the influent samples suggest the potential circulation of different ESBL-producing strains within the studied district, requiring a more comprehensive epidemiological study to prevent the spread of ESBL-producing bacteria within impoverished communities.
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Majeed HJ, Riquelme MV, Davis BC, Gupta S, Angeles L, Aga DS, Garner E, Pruden A, Vikesland PJ. Evaluation of Metagenomic-Enabled Antibiotic Resistance Surveillance at a Conventional Wastewater Treatment Plant. Front Microbiol 2021; 12:657954. [PMID: 34054755 PMCID: PMC8155483 DOI: 10.3389/fmicb.2021.657954] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 04/12/2021] [Indexed: 12/31/2022] Open
Abstract
Wastewater treatment plants (WWTPs) receive a confluence of sewage containing antimicrobials, antibiotic resistant bacteria, antibiotic resistance genes (ARGs), and pathogens and thus are a key point of interest for antibiotic resistance surveillance. WWTP monitoring has the potential to inform with respect to the antibiotic resistance status of the community served as well as the potential for ARGs to escape treatment. However, there is lack of agreement regarding suitable sampling frequencies and monitoring targets to facilitate comparison within and among individual WWTPs. The objective of this study was to comprehensively evaluate patterns in metagenomic-derived indicators of antibiotic resistance through various stages of treatment at a conventional WWTP for the purpose of informing local monitoring approaches that are also informative for global comparison. Relative abundance of total ARGs decreased by ∼50% from the influent to the effluent, with each sampling location defined by a unique resistome (i.e., total ARG) composition. However, 90% of the ARGs found in the effluent were also detected in the influent, while the effluent ARG-pathogen taxonomic linkage patterns identified in assembled metagenomes were more similar to patterns in regional clinical surveillance data than the patterns identified in the influent. Analysis of core and discriminatory resistomes and general ARG trends across the eight sampling events (i.e., tendency to be removed, increase, decrease, or be found in the effluent only), along with quantification of ARGs of clinical concern, aided in identifying candidate ARGs for surveillance. Relative resistome risk characterization further provided a comprehensive metric for predicting the relative mobility of ARGs and likelihood of being carried in pathogens and can help to prioritize where to focus future monitoring and mitigation. Most antibiotics that were subject to regional resistance testing were also found in the WWTP, with the total antibiotic load decreasing by ∼40–50%, but no strong correlations were found between antibiotics and corresponding ARGs. Overall, this study provides insight into how metagenomic data can be collected and analyzed for surveillance of antibiotic resistance at WWTPs, suggesting that effluent is a beneficial monitoring point with relevance both to the local clinical condition and for assessing efficacy of wastewater treatment in reducing risk of disseminating antibiotic resistance.
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Affiliation(s)
- Haniyyah J Majeed
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Maria V Riquelme
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Benjamin C Davis
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Suraj Gupta
- Interdisciplinary Ph.D Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Luisa Angeles
- Department of Chemistry, University at Buffalo, Buffalo, NY, United States
| | - Diana S Aga
- Department of Chemistry, University at Buffalo, Buffalo, NY, United States
| | - Emily Garner
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Amy Pruden
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Peter J Vikesland
- Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
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Wengenroth L, Berglund F, Blaak H, Chifiriuc MC, Flach CF, Pircalabioru GG, Larsson DGJ, Marutescu L, van Passel MWJ, Popa M, Radon K, de Roda Husman AM, Rodríguez-Molina D, Weinmann T, Wieser A, Schmitt H. Antibiotic Resistance in Wastewater Treatment Plants and Transmission Risks for Employees and Residents: The Concept of the AWARE Study. Antibiotics (Basel) 2021; 10:antibiotics10050478. [PMID: 33919179 PMCID: PMC8143112 DOI: 10.3390/antibiotics10050478] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/14/2021] [Accepted: 04/17/2021] [Indexed: 11/18/2022] Open
Abstract
Antibiotic resistance has become a serious global health threat. Wastewater treatment plants may become unintentional collection points for bacteria resistant to antimicrobials. Little is known about the transmission of antibiotic resistance from wastewater treatment plants to humans, most importantly to wastewater treatment plant workers and residents living in the vicinity. We aim to deliver precise information about the methods used in the AWARE (Antibiotic Resistance in Wastewater: Transmission Risks for Employees and Residents around Wastewater Treatment Plants) study. Within the AWARE study, we gathered data on the prevalence of two antibiotic resistance phenotypes, ESBL-producing E. coli and carbapenemase-producing Enterobacteriaceae, as well as on their corresponding antibiotic resistance genes isolated from air, water, and sewage samples taken from inside and outside of different wastewater treatment plants in Germany, the Netherlands, and Romania. Additionally, we analysed stool samples of wastewater treatment plant workers, nearby residents, and members of a comparison group living ≥1000 m away from the closest WWTP. To our knowledge, this is the first study investigating the potential spread of ESBL-producing E. coli, carbapenemase-producing Enterobacteriaceae, and antibiotic resistance genes from WWTPs to workers, the environment, and nearby residents. Quantifying the contribution of different wastewater treatment processes to the removal efficiency of ESBL-producing E. coli, carbapenemase-producing Enterobacteriaceae, and antibiotic resistance genes will provide us with evidence-based support for possible mitigation strategies.
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Affiliation(s)
- Laura Wengenroth
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU (Ludwig-Maximilians-Universität) Munich, 80336 Munich, Germany; (K.R.); (D.R.-M.); (T.W.)
- Correspondence:
| | - Fanny Berglund
- Centre for Antibiotic Resistance Research at University of Gothenburg, Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden; (F.B.); (C.-F.F.); (D.G.J.L.)
| | - Hetty Blaak
- Centre Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands; (H.B.); (M.W.J.v.P.); (A.M.d.R.H.); (H.S.)
| | - Mariana Carmen Chifiriuc
- Earth, Environment and Life Sciences Division, Research Institute, University of Bucharest, 050657 Bucharest, Romania; (M.C.C.); (G.G.P.); (L.M.); (M.P.)
| | - Carl-Fredrik Flach
- Centre for Antibiotic Resistance Research at University of Gothenburg, Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden; (F.B.); (C.-F.F.); (D.G.J.L.)
| | - Gratiela Gradisteanu Pircalabioru
- Earth, Environment and Life Sciences Division, Research Institute, University of Bucharest, 050657 Bucharest, Romania; (M.C.C.); (G.G.P.); (L.M.); (M.P.)
| | - D. G. Joakim Larsson
- Centre for Antibiotic Resistance Research at University of Gothenburg, Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden; (F.B.); (C.-F.F.); (D.G.J.L.)
| | - Luminita Marutescu
- Earth, Environment and Life Sciences Division, Research Institute, University of Bucharest, 050657 Bucharest, Romania; (M.C.C.); (G.G.P.); (L.M.); (M.P.)
| | - Mark W. J. van Passel
- Centre Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands; (H.B.); (M.W.J.v.P.); (A.M.d.R.H.); (H.S.)
- Directorate of International Affairs, Ministry of Health, Welfare and Sport, 2500 EJ The Hague, The Netherlands
| | - Marcela Popa
- Earth, Environment and Life Sciences Division, Research Institute, University of Bucharest, 050657 Bucharest, Romania; (M.C.C.); (G.G.P.); (L.M.); (M.P.)
| | - Katja Radon
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU (Ludwig-Maximilians-Universität) Munich, 80336 Munich, Germany; (K.R.); (D.R.-M.); (T.W.)
| | - Ana Maria de Roda Husman
- Centre Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands; (H.B.); (M.W.J.v.P.); (A.M.d.R.H.); (H.S.)
| | - Daloha Rodríguez-Molina
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU (Ludwig-Maximilians-Universität) Munich, 80336 Munich, Germany; (K.R.); (D.R.-M.); (T.W.)
- Institute for Medical Information Processing, Biometry, and Epidemiology—IBE, LMU (Ludwig-Maximilians-Universität) Munich, 81377 Munich, Germany
- Pettenkofer School of Public Health, 81377 Munich, Germany
| | - Tobias Weinmann
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU (Ludwig-Maximilians-Universität) Munich, 80336 Munich, Germany; (K.R.); (D.R.-M.); (T.W.)
| | - Andreas Wieser
- Division of Infectious Diseases and Tropical Medicine, LMU (Ludwig-Maximilians-Universität) University Hospital, 80802 Munich, Germany;
- Faculty of Medicine, Max von Pettenkofer Institute, LMU (Ludwig-Maximilians-Universität), 80336 Munich, Germany
| | - Heike Schmitt
- Centre Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands; (H.B.); (M.W.J.v.P.); (A.M.d.R.H.); (H.S.)
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Majumder A, Gupta AK, Ghosal PS, Varma M. A review on hospital wastewater treatment: A special emphasis on occurrence and removal of pharmaceutically active compounds, resistant microorganisms, and SARS-CoV-2. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 2021; 9:104812. [PMID: 33251108 PMCID: PMC7680650 DOI: 10.1016/j.jece.2020.104812] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/10/2020] [Accepted: 11/18/2020] [Indexed: 05/05/2023]
Abstract
The hospital wastewater imposes a potent threat to the security of human health concerning its high vulnerability towards the outbreak of several diseases. Furthermore, the outbreak of COVID-19 pandemic demanded a global attention towards monitoring viruses and other infectious pathogens in hospital wastewater and their removal. Apart from that, the presence of various recalcitrant organics, pharmaceutically active compounds (PhACs), etc. imparts a complex pollution load to water resources and ecosystem. In this review, an insight into the occurrence, persistence and removal of drug-resistant microorganisms and infectious viruses as well as other micro-pollutants have been documented. The performance of various pilot/full-scale studies have been evaluated in terms of removal of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), PhACs, pathogens, etc. It was found that many biological processes, such as membrane bioreactor, activated sludge process, constructed wetlands, etc. provided more than 80% removal of BOD, COD, TSS, etc. However, the removal of several recalcitrant organic pollutants are less responsive to those processes and demands the application of tertiary treatments, such as adsorption, ozone treatment, UV treatment, etc. Antibiotic-resistant microorganisms, viruses were found to be persistent even after the treatment of hospital wastewater, and high dose of chlorination or UV treatment was required to inactivate them. This article circumscribes the various emerging technologies, which have been used to treat PhACs and pathogens. The present review also emphasized the global concern of the presence of SARS-CoV-2 RNA in hospital wastewater and its removal by the existing treatment facilities.
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Affiliation(s)
- Abhradeep Majumder
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Ashok Kumar Gupta
- Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Partha Sarathi Ghosal
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Mahesh Varma
- Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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ESBL-producing Klebsiella pneumoniae in a University hospital: Molecular features, diffusion of epidemic clones and evaluation of cross-transmission. PLoS One 2021; 16:e0247875. [PMID: 33760834 PMCID: PMC7990301 DOI: 10.1371/journal.pone.0247875] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 02/16/2021] [Indexed: 12/14/2022] Open
Abstract
The worldwide spread of Klebsiella pneumoniae producing extended-spectrum β-lactamase (ESBL-Kp) is a significant threat. Specifically, various pandemic clones of ESBL-Kp are involved in hospital outbreaks and caused serious infections. In that context, we assessed the phenotypic and molecular features of a collection of ESBL-Kp isolates in a French university hospital and evaluated the occurrence of potential cross-transmissions. Over a 2-year period (2017-2018), 204 non-duplicate isolates of ESBL-Kp were isolated from clinical (n = 118, 57.8%) or screening (n = 86, 42.2%) sample cultures. These isolates were predominantly resistant to cotrimoxazole (88.8%) and ofloxacin (82.8%) but remained susceptible to imipenem (99.3%) and amikacin (93.8%). CTX-M-15 was the most frequent ESBL identified (83.6%). Multilocus sequence typing and pulse-field gel electrophoresis analysis showed an important genetic variability with 41 sequence types (ST) and 50 pulsotypes identified, and the over representation of the international epidemic clones ST307 and ST405. An epidemiological link attesting probable cross-transmission has been identified for 16 patients clustered in 4 groups during the study period. In conclusion, we showed here the dissemination of pandemic clones of ESBL-Kp in our hospital on a background of clonal diversity.
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Hospital-diagnosed infections with Escherichia coli clonal group ST131 are mostly acquired in the community. Sci Rep 2021; 11:5702. [PMID: 33707589 PMCID: PMC7952690 DOI: 10.1038/s41598-021-85116-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 02/10/2021] [Indexed: 11/08/2022] Open
Abstract
The worldwide spread of E. coli ST131 has significantly contributed to the dissemination of E. coli producing extended-spectrum β-lactamases (ESBL). In a French University hospital, we assessed the molecular features of ESBL-producing E. coli and identified risk factors in patients for colonization or infection with E. coli ST131. Over a 2-year period (2015–2017), each patient with at least one clinical isolate or one screening isolate positive with ESBL-producing E. coli were included (n = 491). The ST131 clonal group accounted for 17.5% (n = 86) of all ESBL-producing E. coli and represented 57.3% isolates of phylogroup B2. FimH-based sub-typing showed that 79.1% (68/86) of ST131 isolates were fimH30, among which 67.6% (n = 46), 20.6% (n = 14) and 11.8% (n = 8) isolates harbored genes encoding the ESBL CTX-M-15, CTX-M-27, and CTX-M-14, respectively. The multivariate analysis identified two factors independently associated with ST131 ESBL-producing E. coli isolates: infection (Odds ratio [OR] = 1.887, 95% confidence interval [CI]: 1.143–3.115; p = 0.013) and community acquisition (OR = 2.220, 95% CI: 1.335–3.693; p = 0.002). In conclusion, our study confirmed the predominance of ST131 clonal group among ESBL-producing E. coli and the difficulty to identify common risk factors associated with carriage of this pandemic clonal group.
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Gibbon MJ, Couto N, David S, Barden R, Standerwick R, Jagadeesan K, Birkwood H, Dulyayangkul P, Avison MB, Kannan A, Kibbey D, Craft T, Habib S, Thorpe HA, Corander J, Kasprzyk-Hordern B, Feil EJ. A high prevalence of blaOXA-48 in Klebsiella ( Raoultella) ornithinolytica and related species in hospital wastewater in South West England. Microb Genom 2021; 7:mgen000509. [PMID: 33416467 PMCID: PMC8190614 DOI: 10.1099/mgen.0.000509] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 12/20/2020] [Indexed: 12/15/2022] Open
Abstract
Klebsiella species occupy a wide range of environmental and animal niches, and occasionally cause opportunistic infections that are resistant to multiple antibiotics. In particular, Klebsiella pneumoniae (Kpne) has gained notoriety as a major nosocomial pathogen, due principally to the rise in non-susceptibility to carbapenems and other beta-lactam antibiotics. Whilst it has been proposed that the urban water cycle facilitates transmission of pathogens between clinical settings and the environment, the level of risk posed by resistant Klebsiella strains in hospital wastewater remains unclear. We used whole genome sequencing (WGS) to compare Klebsiella species in contemporaneous samples of wastewater from an English hospital and influent to the associated wastewater treatment plant (WWTP). As we aimed to characterize representative samples of Klebsiella communities, we did not actively select for antibiotic resistance (other than for ampicillin), nor for specific Klebsiella species. Two species, Kpne and K. (Raoultella) ornithinolytica (Korn), were of equal dominance in the hospital wastewater, and four other Klebsiella species were present in low abundance in this sample. In contrast, despite being the species most closely associated with healthcare settings, Kpne was the dominant species within the WWTP influent. In total, 29 % of all isolates harboured the blaOXA-48 gene on a pOXA-48-like plasmid, and these isolates were almost exclusively recovered from the hospital wastewater. This gene was far more common in Korn (68 % of isolates) than in Kpne (3.4 % of isolates). In general plasmid-borne, but not chromosomal, resistance genes were significantly enriched in the hospital wastewater sample. These data implicate hospital wastewater as an important reservoir for antibiotic-resistant Klebsiella, and point to an unsuspected role of species within the Raoultella group in the maintenance and dissemination of plasmid-borne blaOXA-48. This article contains data hosted by Microreact.
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Affiliation(s)
- Marjorie J. Gibbon
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK
| | - Natacha Couto
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK
| | - Sophia David
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | | | | | | | - Hollie Birkwood
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK
| | - Punyawee Dulyayangkul
- University of Bristol, School of Cellular and Molecular Medicine, University Walk, Bristol BS8 1TD, UK
| | - Matthew B. Avison
- University of Bristol, School of Cellular and Molecular Medicine, University Walk, Bristol BS8 1TD, UK
| | - Andrew Kannan
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK
| | - Dan Kibbey
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK
| | - Tim Craft
- Department of R&D, Royal United Hospitals Bath, NHS Foundation Trust, Bath BA1 3NG, UK
| | - Samia Habib
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK
| | - Harry A. Thorpe
- Department of Biostatistics, University of Oslo, N-0317, Oslo, Norway
| | - Jukka Corander
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
- Department of Biostatistics, University of Oslo, N-0317, Oslo, Norway
- Helsinki Institute for Information Technology, Department of Mathematics and Statistics, University of Helsinki, FIN-00014 Helsinki, Finland
| | | | - Edward J. Feil
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath, UK
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Kutilova I, Medvecky M, Leekitcharoenphon P, Munk P, Masarikova M, Davidova-Gerzova L, Jamborova I, Bortolaia V, Pamp SJ, Dolejska M. Extended-spectrum beta-lactamase-producing Escherichia coli and antimicrobial resistance in municipal and hospital wastewaters in Czech Republic: Culture-based and metagenomic approaches. ENVIRONMENTAL RESEARCH 2021; 193:110487. [PMID: 33232750 DOI: 10.1016/j.envres.2020.110487] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 10/31/2020] [Accepted: 11/12/2020] [Indexed: 06/11/2023]
Abstract
Wastewaters serve as important hot spots for antimicrobial resistance and monitoring can be used to analyse the abundance and diversity of antimicrobial resistance genes at the level of large bacterial and human populations. In this study, whole genome sequencing of beta-lactamase-producing Escherichia coli and metagenomic analysis of whole-community DNA were used to characterize the occurrence of antimicrobial resistance in hospital, municipal and river waters in the city of Brno (Czech Republic). Cefotaxime-resistant E. coli were mainly extended-spectrum beta-lactamase (ESBL) producers (95.6%, n = 158), of which the majority carried blaCTX-M (98.7%; n = 151) and were detected in all water samples except the outflow from hospital wastewater treatment plant. A wide phylogenetic diversity was observed among the sequenced E. coli (n = 78) based on the detection of 40 sequence types and single nucleotide polymorphisms (average number 34,666 ± 15,710) between strains. The metagenomic analysis revealed a high occurrence of bacterial genera with potentially pathogenic members, including Pseudomonas, Escherichia, Klebsiella, Aeromonas, Enterobacter and Arcobacter (relative abundance >50%) in untreated hospital and municipal wastewaters and predominance of environmental bacteria in treated and river waters. Genes encoding resistance to aminoglycosides, beta-lactams, quinolones and macrolides were frequently detected, however blaCTX-M was not found in this dataset which may be affected by insufficient sequencing depth of the samples. The study pointed out municipal treated wastewater as a possible source of multi-drug resistant E. coli and antimicrobial resistance genes for surface waters. Moreover, the combination of two different approaches provided a more holistic view on antimicrobial resistance in water environments. The culture-based approach facilitated insight into the dynamics of ESBL-producing E. coli and the metagenomics shows abundance and diversity of bacteria and antimicrobial resistance genes vary across water sites.
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Affiliation(s)
- Iva Kutilova
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic; Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Matej Medvecky
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic; Biomedical Center, Faculty of Medicine, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Pimlapas Leekitcharoenphon
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | - Patrick Munk
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | - Martina Masarikova
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic; Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Lenka Davidova-Gerzova
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic; Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Ivana Jamborova
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic
| | - Valeria Bortolaia
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | - Sünje J Pamp
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | - Monika Dolejska
- CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42 Brno, Czech Republic; Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic; Biomedical Center, Faculty of Medicine, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic.
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Hassoun-Kheir N, Stabholz Y, Kreft JU, de la Cruz R, Romalde JL, Nesme J, Sørensen SJ, Smets BF, Graham D, Paul M. Comparison of antibiotic-resistant bacteria and antibiotic resistance genes abundance in hospital and community wastewater: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140804. [PMID: 32758846 DOI: 10.1016/j.scitotenv.2020.140804] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/04/2020] [Accepted: 07/05/2020] [Indexed: 05/10/2023]
Abstract
Antibiotic-resistant bacteria (ARB) and antibiotic-resistance genes (ARGs) are constantly shed into the aquatic environment, with hospital wastewater potentially acting as an important source for resistance spread into the environment. A systematic review was conducted aiming to investigate the role of hospital wastewater on dissemination of antimicrobial resistance in the aquatic environment. Studies included in the review compared the prevalence of ARB and/or ARGs in hospital versus community wastewater. Data were extracted on ARB and/or ARG prevalence. Data on sampling techniques, microbiological methodology and risk of bias of included studies were recorded. Thirty-seven studies were included. Higher frequencies of antibiotic resistance determinants were found in hospital wastewater compared to community sources in 30/37 (81%) of included studies. However, trends for specific multi-drug-resistant bacteria differed. Antibiotic-resistant Gram-negative were more prevalent in hospital compared to community wastewaters, with higher concentrations of extended-spectrum-beta-lactamase-producing pathogens and carbapenemase-producing Enterobacteriaceae in hospital sources in 9/9 studies and 6/7 studies, respectively. Hospitals did not contribute consistently to the abundance of vancomycin-resistant Enterococci (VRE); 5/10 studies found higher abundance of VRE in hospital compared to community wastewaters. Reporting on sampling methods, wastewater treatment processes and statistical analysis were at high risk of bias. Extreme heterogeneity in study methods and outcome reporting precluded meta-analysis. Current evidence concurs that hospital wastewater is an important source for antibiotic resistance in aquatic environments, mainly multidrug-resistant Gram-negative bacteria. Future research is needed to assess the effect of wastewater treatment processes on overall antibiotic resistance in the aquatic environment.
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Affiliation(s)
- Nasreen Hassoun-Kheir
- Infectious Diseases Institute, Rambam Health Care Campus, Haifa, Israel, HaAliya HaShniya St 8, Haifa 3109601, Israel; The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Efron St 1, Haifa 3109601, Israel.
| | - Yoav Stabholz
- Infectious Diseases Institute, Rambam Health Care Campus, Haifa, Israel, HaAliya HaShniya St 8, Haifa 3109601, Israel
| | - Jan-Ulrich Kreft
- Institute of Microbiology and Infection & Centre for Computational Biology & School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Roberto de la Cruz
- Institute of Microbiology and Infection & Centre for Computational Biology & School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Jesús L Romalde
- Department of Microbiology and Parasitology, CIBUS-Faculty of Biology & Institute CRETUS, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Joseph Nesme
- Department of Biology, Section of Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Søren J Sørensen
- Department of Biology, Section of Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Barth F Smets
- Department of Environmental Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - David Graham
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Mical Paul
- Infectious Diseases Institute, Rambam Health Care Campus, Haifa, Israel, HaAliya HaShniya St 8, Haifa 3109601, Israel; The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Efron St 1, Haifa 3109601, Israel
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47
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Antibiotic Resistance in Recreational Waters: State of the Science. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17218034. [PMID: 33142796 PMCID: PMC7663426 DOI: 10.3390/ijerph17218034] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022]
Abstract
Ambient recreational waters can act as both recipients and natural reservoirs for antimicrobial resistant (AMR) bacteria and antimicrobial resistant genes (ARGs), where they may persist and replicate. Contact with AMR bacteria and ARGs potentially puts recreators at risk, which can thus decrease their ability to fight infections. A variety of point and nonpoint sources, including contaminated wastewater effluents, runoff from animal feeding operations, and sewer overflow events, can contribute to environmental loading of AMR bacteria and ARGs. The overall goal of this article is to provide the state of the science related to recreational exposure and AMR, which has been an area of increasing interest. Specific objectives of the review include (1) a description of potential sources of antibiotics, AMR bacteria, and ARGs in recreational waters, as documented in the available literature; (2) a discussion of what is known about human recreational exposures to AMR bacteria and ARGs, using findings from health studies and exposure assessments; and (3) identification of knowledge gaps and future research needs. To better understand the dynamics related to AMR and associated recreational water risks, future research should focus on source contribution, fate and transport-across treatment and in the environment; human health risk assessment; and standardized methods.
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48
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Bashawri YM, Robins P, Cooper DM, McDonald JE, Jones DL, Williams AP. Impact of Sediment Concentration on the Survival of Wastewater-Derived blaCTX-M-15-Producing E. coli, and the Implications for Dispersal into Estuarine Waters. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17207608. [PMID: 33086623 PMCID: PMC7589618 DOI: 10.3390/ijerph17207608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 11/22/2022]
Abstract
The environmental cycling of antibiotic-resistant blaCTX-M-15-producing E. coli following release from wastewater treatment plants is a major public health concern. This study aimed to (i) assess the impact of sediment concentrations on the rate of their inactivation following release from human wastewater into freshwater, and (ii) simulate their subsequent dispersal to the nearby coastline during a “worst-case” event where heavy rainfall coincided with high spring tide in the Conwy Estuary, North Wales. Freshwater microcosms of low, medium and high turbidity were inoculated with blaCTX-M-15-producing E. coli, then exposed to ultraviolet (UV) radiation. Typical regional wintertime exposure to UV was found to be insufficient to eradicate E. coli, and in highly turbid water, many bacteria survived simulated typical regional summertime UV exposure. Modelling results revealed that blaCTX-M-15-producing E. coli concentrations reduced downstream from the discharge source, with ~30% of the source concentration capable of dispersing through the estuary to the coast, taking ~36 h. Offshore, the concentration simulated at key shellfisheries and bathing water sites ranged from 1.4% to 10% of the upstream input, depending on the distance offshore and tidal regime, persisting in the water column for over a week. Our work indicates that the survival of such organisms post-release into freshwater is extended under typical wintertime conditions, which could ultimately have implications for human health.
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Affiliation(s)
- Yasir M. Bashawri
- General Directorate of Environmental Health, Ministry of Health, Riyadh 12234, Saudi Arabia;
- School of Natural Sciences, Bangor University, Bangor LL57 2UW, UK; (J.E.M.); (D.L.G.)
| | - Peter Robins
- School of Ocean Sciences, Bangor University, Bangor LL59 5EG, UK;
| | - David M. Cooper
- Centre for Ecology and Hydrology, Environment Centre Wales, Bangor LL57 2UW, UK;
| | - James E. McDonald
- School of Natural Sciences, Bangor University, Bangor LL57 2UW, UK; (J.E.M.); (D.L.G.)
| | - Davey L. Jones
- School of Natural Sciences, Bangor University, Bangor LL57 2UW, UK; (J.E.M.); (D.L.G.)
- UWA School of Agriculture and Environment, The University of Western Australia, Crawley 6009, Australia
| | - A. Prysor Williams
- School of Natural Sciences, Bangor University, Bangor LL57 2UW, UK; (J.E.M.); (D.L.G.)
- Correspondence:
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49
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Martak D, Henriot CP, Broussier M, Couchoud C, Valot B, Richard M, Couchot J, Bornette G, Hocquet D, Bertrand X. High Prevalence of Human-Associated Escherichia coli in Wetlands Located in Eastern France. Front Microbiol 2020; 11:552566. [PMID: 33013784 PMCID: PMC7498643 DOI: 10.3389/fmicb.2020.552566] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 08/18/2020] [Indexed: 02/03/2023] Open
Abstract
Escherichia coli that are present in the rivers are mostly brought by human and animal feces. Contamination occurs mostly through wastewater treatment plant (WWTP) outflows and field amendment with sewage sludge or manure. However, the survival of these isolates in river-associated wetlands remains unknown. Here, we assessed E. coli population structure in low-anthropized wetlands located along three floodplains to identify the major source of contamination of wetlands, whose functioning is different from the rivers. We retrieved 179 E. coli in water samples collected monthly from 19 sites located in eastern France over 1 year. Phylogroups B1 and B2 were dominant in the E. coli population, while phylogroup A was dominant in isolates resistant to third-generation cephalosporins, which harbored the extended-spectrum β-lactamase (ESBL) encoding genes blaCTX–M–15 and blaCTX–M–27 in half of the cases. The high proportion of isolates from human source can be attributed to WWTP outflows and the spread of sewage sludge. We analyzed the distribution of the isolates belonging to the most human-associated phylogroups (B2 and D) on a phylogenetic tree of the whole species and compared it with that of isolates retrieved from patients and from WWTP outflows. The distribution of the three E. coli populations was similar, suggesting the absence of a specific population in the environment. Our results suggest that a high proportion of E. coli isolates that reach and survive in low-anthropized environments such as wetlands are from human source. To the best of our knowledge, this is the first study assessing E. coli contamination and resistance genes in natural freshwater wetlands.
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Affiliation(s)
- Daniel Martak
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France.,UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Charles P Henriot
- UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Marion Broussier
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France
| | - Charlotte Couchoud
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France.,UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Benoit Valot
- UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France.,Bioinformatique et big data au service de la santé, UFR Santé, Université de Bourgogne Franche-Comté, Besançon, France
| | - Marion Richard
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France
| | - Julie Couchot
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France
| | - Gudrun Bornette
- UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
| | - Didier Hocquet
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France.,UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France.,Bioinformatique et big data au service de la santé, UFR Santé, Université de Bourgogne Franche-Comté, Besançon, France
| | - Xavier Bertrand
- Service d'Hygiène Hospitalière, Centre Hospitalier Universitaire, Besançon, France.,UMR 6249, Laboratoire Chrono-Environnement, CNRS-Université de Bourgogne Franche-Comté, Besançon, France
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50
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Tavares RDS, Tacão M, Figueiredo AS, Duarte AS, Esposito F, Lincopan N, Manaia CM, Henriques I. Genotypic and phenotypic traits of bla CTX-M-carrying Escherichia coli strains from an UV-C-treated wastewater effluent. WATER RESEARCH 2020; 184:116079. [PMID: 32717492 DOI: 10.1016/j.watres.2020.116079] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/12/2020] [Accepted: 06/15/2020] [Indexed: 06/11/2023]
Abstract
Wastewater treatment plants (WWTPs) are relevant sources of antibiotic resistance into aquatic environments. Disinfection of WWTPs' effluents (e.g. by UV-C irradiation) may attenuate this problem, though some clinically relevant bacteria have been shown to survive disinfection. In this study we characterized 25 CTX-M-producing Escherichia coli strains isolated from a WWTP's UV-C-irradiated effluent, aiming to identify putative human health hazards associated with such effluents. Molecular typing indicated that the strains belong to the phylogroups A, B2 and C and clustered into 9 multilocus sequence types (STs), namely B2:ST131 (n = 7), A:ST58 (n = 1), A:ST155 (n = 4), C:ST410 (n = 2), A:ST453 (n = 2), A:ST617 (n = 2), A:ST744 (n = 1), A:ST1284 (n = 3) and a putative novel ST (n = 3). PCR-screening identified 9 of the 20 antibiotic resistance genes investigated [i.e. sul1, sul2, sul3, tet(A), tet(B), blaOXA-1-like, aacA4, aacA4-cr and qnrS1]. The more prevalent were sul1, sul2 (n = 15 isolates) and tet(A) (n = 14 isolates). Plasmid restriction analysis indicated diverse plasmid content among strains (14 distinct profiles) and mating assays yielded cefotaxime-resistant transconjugants for 8 strains. Two of the transconjugants displayed a multi-drug resistance (MDR) phenotype. All strains were classified as cytotoxic to Vero cells (9 significantly more cytotoxic than the positive control) and 10 of 21 strains were invasive towards this cell line (including all B2:ST131 strains). The 10 strains tested against G. mellonella larvae exhibited a virulent behaviour. Twenty-four and 7 of the 25 strains produced siderophores and haemolysins, respectively. Approximately 66% of the strains formed biofilms. Genome analysis of 6 selected strains identified several virulence genes encoding toxins, siderophores, and colonizing, adhesion and invasion factors. Freshwater microcosms assays showed that after 28 days of incubation 3 out of 6 strains were still detected by cultivation and 4 strains by qPCR. Resistance phenotypes of these strains remained unaltered. Overall, we confirmed WWTP's UV-C-treated outflow as a source of MDR and/or virulent E. coli strains, some probably capable of persisting in freshwater, and that carry conjugative antibiotic resistance plasmids. Hence, disinfected wastewater may still represent a risk for human health. More detailed evaluation of strains isolated from wastewater effluents is urgent, to design treatments that can mitigate the release of such bacteria.
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Affiliation(s)
- Rafael D S Tavares
- Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal; Department of Biology, University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal
| | - Marta Tacão
- Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal; Department of Biology, University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal.
| | - Ana S Figueiredo
- Department of Biology, University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal
| | - Ana S Duarte
- Universidade Católica Portuguesa, Faculdade de Medicina Dentária, Centro de Investigação Interdisciplinar Em Saúde (CIIS), Estrada da Circunvalação, 3504-505, Viseu, Portugal
| | - Fernanda Esposito
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Nilton Lincopan
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, São Paulo, Brazil; Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Célia M Manaia
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho 1327, 4169-005, Porto, Portugal
| | - Isabel Henriques
- Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário Santiago, 3810-193, Aveiro, Portugal; University of Coimbra, Department of Life Sciences, Faculty of Sciences and Technology, Calçada Martins de Freitas, 3000-456, Coimbra, Portugal
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