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Sanz C, Casado M, Martinez-Landa L, Valhondo C, Amalfitano S, Di Pippo F, Levantesi C, Carrera J, Piña B. Efficient removal of antibiotic resistance genes and of enteric bacteria from reclaimed wastewater by enhanced Soil Aquifer Treatments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 953:176078. [PMID: 39244046 DOI: 10.1016/j.scitotenv.2024.176078] [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: 12/21/2023] [Revised: 08/30/2024] [Accepted: 09/04/2024] [Indexed: 09/09/2024]
Abstract
Soil Aquifer Treatment (SAT) is a robust technology to increase groundwater recharge and to improve reclaimed water quality. SAT reduces dissolved organic carbon, contaminants of emerging concern, nutrients, and colloidal matter, including pathogen indicators, but little is known about its ability to reduce loads of antibiotic resistance genes (ARGs) from reclaimed waters. Here we test six pilot SAT systems to eliminate various biological hazards from the secondary effluents of a wastewater treatment plant (WWTP), equipped with reactive barriers (RBs) including different sorptive materials. Using flow cytometry, qPCR and 16S rRNA gene amplicon sequencing methods, we determined that all six SAT systems reduced total loads of bacteria by 80 to 95 % and of clinically relevant ARGs by 85 to 99.9 %. These efficiencies are similar to those reported for UV/oxidation or membrane-based tertiary treatments, which require much more energy and resources. The presence and composition of reactive barriers, the season of sampling (June 2020, October 2020, and September 2021), or the flow regime (continuous versus pulsating) did not affect ARG removal efficiency, although they did alter the microbial community composition. This suggests that an adequate design of the SAT reactive barriers may significantly increase their performance. Under a mechanistic point of view, we observed an ecological succession of bacterial groups, linked to the changing physical-chemical conditions along the SAT, and likely correlated to the removal of ARGs. We concluded that SAT is as cost-efficient technology able to dramatically reduce ARG loads and other biological hazards from WWTP secondary effluents.
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Affiliation(s)
- Claudia Sanz
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya 08034, Spain
| | - Marta Casado
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya 08034, Spain
| | - Lurdes Martinez-Landa
- Associated Unit: Hydrogeology Group (UPC-CSIC), Spain; Dept. of Civil and Environmental Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Cristina Valhondo
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya 08034, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain; Geosciences Montpellier, Université de Montpellier, CNRS, Montpellier, France
| | - Stefano Amalfitano
- Water Research Institute, National Research Council of Italy (IRSA-CNR), Monterotondo, Rome 00015, Italy
| | - Francesca Di Pippo
- Water Research Institute, National Research Council of Italy (IRSA-CNR), Monterotondo, Rome 00015, Italy
| | - Caterina Levantesi
- Water Research Institute, National Research Council of Italy (IRSA-CNR), Monterotondo, Rome 00015, Italy
| | - Jesús Carrera
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya 08034, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain
| | - Benjamin Piña
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya 08034, Spain.
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2
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Lin L, Li L, Yang X, Hou L, Wu D, Wang B, Ma B, Liao X, Yan X, Gad M, Su J, Liu Y, Liu K, Hu A. Unnoticed antimicrobial resistance risk in Tibetan cities unveiled by sewage metagenomic surveillance: Compared to the eastern Chinese cities. JOURNAL OF HAZARDOUS MATERIALS 2024; 479:135730. [PMID: 39243538 DOI: 10.1016/j.jhazmat.2024.135730] [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: 05/25/2024] [Revised: 08/26/2024] [Accepted: 08/31/2024] [Indexed: 09/09/2024]
Abstract
Sewage surveillance is a cost-effective tool for assessing antimicrobial resistance (AMR) in urban populations. However, research on sewage AMR in remote areas is still limited. Here, we used shotgun metagenomic sequencing to profile antibiotic resistance genes (ARGs) and ARG-carrying pathogens (APs) across 15 cities in Tibetan Plateau (TP) and the major cities in eastern China. Notable regional disparities in sewage ARG composition were found, with a significantly higher ARG abundance in TP (2.97 copies/cell). A total of 542 and 545 APs were identified in sewage from TP and the East, respectively, while more than 40 % carried mobile genetic elements (MGEs). Moreover, 65 MGEs-carrying APs were identified as World Health Organization (WHO) priority-like bacterial and fungal pathogens. Notably, a fungal zoonotic pathogen, Enterocytozoon bieneusi, was found for the first time to carry a nitroimidazole resistance gene (nimJ). Although distinct in AP compositions, the relative abundances of APs were comparable in these two regions. Furthermore, sewage in TP was found to be comparable to the cities in eastern China in terms of ARG mobility and AMR risks. These findings provide insights into ARGs and APs distribution in Chinese sewage and stress the importance of AMR surveillance and management strategies in remote regions.
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Affiliation(s)
- Laichang Lin
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Laiyi Li
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoyong Yang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, China
| | - Liyuan Hou
- Department of Civil and Environmental Engineering, Utah State University, Logan, UT 84322, United States; Utah Water Research Laboratory, 1600 Canyon Road, Logan, UT 84321, United States
| | - Dong Wu
- Key Laboratory for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Science, East China Normal University, Shanghai 200241, China
| | - Binhao Wang
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bin Ma
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xin Liao
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiuhang Yan
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; College of Life Sciences, Hebei University, Baoding 071002, China
| | - Mahmoud Gad
- Water Pollution Research Department, National Research Centre, Cairo 12622, Egypt
| | - Jianqiang Su
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yongqin Liu
- Center for the Pan-Third Pole Environment, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Keshao Liu
- State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Anyi Hu
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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3
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Xu C, Hu C, Li F, Liu W, Xu Y, Shi D. Antibiotic resistance genes risks in relation to host pathogenicity and mobility in a typical hospital wastewater treatment process. ENVIRONMENTAL RESEARCH 2024; 259:119554. [PMID: 38964571 DOI: 10.1016/j.envres.2024.119554] [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: 04/25/2024] [Revised: 06/13/2024] [Accepted: 07/02/2024] [Indexed: 07/06/2024]
Abstract
Hospital wastewaters (HWWs) serve as critical reservoirs for disseminating antibiotic resistance genes (ARGs) and antibiotic resistant bacteria (ARB). However, the dynamics and noteworthy shifts of ARGs and their associated pathogenicity, mobility, and resistome risks during HWWs treatment processes remain poorly understood. Utilizing metagenomic sequencing and assembly, we identified 817 ARG subtypes conferring resistance to 20 classes of antibiotics across 18 HWW samples from influent to effluent. Genes encoding resistance to multidrug, aminoglycoside and beta_lactam were the most prevalent ARG types, reflecting patterns observed in clinical settings. On-site treatment efforts decreased the relative abundance of ARGs by 77.4% from influent to secondary sedimentation, whereas chlorine disinfection significantly increased their abundance in the final effluent. Deterministic processes primarily drove the taxonomic assembly, with Proteobacteria being the most abundant phylum and serving as the primary host for 15 ARG types. Contig-based analysis further revealed 114 pathogenic ARB, with Escherichia coli, Pseudomonas alcaligenes, and Pseudomonas aeruginosa exhibiting multidrug-resistant. The contributions of host bacteria and pathogenic ARB varied throughout wastewater treatment. In addition, 7.10%-31.0 % ARGs were flanked by mobile genetic elements (MGEs), predominantly mediated by transposase (74.1%). Notably, tnpA exhibited the highest potential for ARG dissemination, frequently co-occurring with beta-lactam resistance genes (35.2%). Considering ARG profiles, pathogenic hosts, and transferability, raw influent exhibited the highest antibiotic resistome risk index (ARRI), followed by the final effluent. Chlorine disinfection exacerbated resistome risks by inducing potential pathogenic ARB and mobile ARGs, posing threats to the receiving environment. This study delineates ARG occurrence patterns, highlights mechanisms of ARG carriage and horizontal gene transfer, and provides insights for assessing resistance risks and prioritizing interventions in clinical settings.
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Affiliation(s)
- Chenye Xu
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Chun Hu
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Fang Li
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Weiping Liu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou, 310015, China
| | - Yumin Xu
- Department of Infection Control, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025, Shanghai, China.
| | - Dake Shi
- Department of Infection Control, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025, Shanghai, China.
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4
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Tiwari A, Radu E, Kreuzinger N, Ahmed W, Pitkänen T. Key considerations for pathogen surveillance in wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173862. [PMID: 38876348 DOI: 10.1016/j.scitotenv.2024.173862] [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: 04/09/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/16/2024]
Abstract
Wastewater surveillance (WWS) has received significant attention as a rapid, sensitive, and cost-effective tool for monitoring various pathogens in a community. WWS is employed to assess the spatial and temporal trends of diseases and identify their early appearances and reappearances, as well as to detect novel and mutated variants. However, the shedding rates of pathogens vary significantly depending on factors such as disease severity, the physiology of affected individuals, and the characteristics of pathogen. Furthermore, pathogens may exhibit differential fate and decay kinetics in the sewerage system. Variable shedding rates and decay kinetics may affect the detection of pathogens in wastewater. This may influence the interpretation of results and the conclusions of WWS studies. When selecting a pathogen for WWS, it is essential to consider it's specific characteristics. If data are not readily available, factors such as fate, decay, and shedding rates should be assessed before conducting surveillance. Alternatively, these factors can be compared to those of similar pathogens for which such data are available.
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Affiliation(s)
- Ananda Tiwari
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio, Finland; University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland.
| | - Elena Radu
- Institute for Water Quality and Resource Management, Vienna University of Technology, Karlsplatz 13/226, 1040 Vienna, Austria; Stefan S. Nicolau Institute of Virology, Department of Cellular and Molecular Pathology, 285 Mihai Bravu Avenue, 030304 Bucharest, Romania; University of Medicine and Pharmacy Carol Davila, Department of Virology, 37 Dionisie Lupu Street, 020021 Bucharest, Romania.
| | - Norbert Kreuzinger
- Institute for Water Quality and Resource Management, Vienna University of Technology, Karlsplatz 13/226, 1040 Vienna, Austria.
| | - Warish Ahmed
- CSIRO Environment, Ecosciences Precinct, 41 Boggo Road, Dutton Park, QLD 4102, Australia.
| | - Tarja Pitkänen
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio, Finland; University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland.
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5
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Zhou Z, Keiblinger KM, Huang Y, Bhople P, Shi X, Yang S, Yu F, Liu D. Virome and metagenomic sequencing reveal the impact of microbial inoculants on suppressions of antibiotic resistome and viruses during co-composting. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135355. [PMID: 39068883 DOI: 10.1016/j.jhazmat.2024.135355] [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: 05/11/2024] [Revised: 07/01/2024] [Accepted: 07/26/2024] [Indexed: 07/30/2024]
Abstract
Co-composting with exogenous microbial inoculant, presents an effective approach for the harmless utilization of livestock manure and agroforestry wastes. However, the impact of inoculant application on the variations of viral and antibiotic resistance genes (ARGs) remains poorly understood, particularly under varying manure quantity (low 10 % vs. high 20 % w/w). Thus, employing virome and metagenomic sequencing, we examined the influence of Streptomyces-Bacillus Inoculants (SBI) on viral communities, phytopathogen, ARGs, mobile genetic elements, and their interrelations. Our results indicate that SBI shifted dominant bacterial species from Phenylobacterium to thermotropic Bordetella, and the quantity of manure mediates the effect of SBI on whole bacterial community. Major ARGs and genetic elements experienced substantial changes with SBI addition. There was a higher ARGs elimination rate in the composts with low (∼76 %) than those with high manure (∼70 %) application. Virus emerged as a critical factor influencing ARG dynamics. We observed a significant variation in virus community, transitioning from Gemycircularvirus- (∼95 %) to Chlamydiamicrovirus-dominance. RDA analysis revealed that Gemycircularvirus was the most influential taxon in shaping ARGs, with its abundance decreased approximately 80 % after composting. Collectively, these findings underscore the role of microbial inoculants in modulating virus communities and ARGs during biowaste co-composting.
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Affiliation(s)
- Ziyan Zhou
- The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
| | - Katharina Maria Keiblinger
- Department of Forest and Soil Sciences, Institute of Soil Research, University of Natural Resources and Life-Sciences, Vienna 1190, Austria
| | - Yimei Huang
- Key Laboratory of Plant Nutrition and The Agri-environment in Northwest China, Ministry of Agriculture, Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, College of Natural Resources and Environment, Northwest A&F University, Shaanxi 712100, China
| | - Parag Bhople
- Crops, Environment, and Land Use Department, Environment Research Centre, Teagasc, Johnstown Castle, Wexford Y35TC98, Ireland
| | - Xiaofei Shi
- The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
| | - Shimei Yang
- The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
| | - Fuqiang Yu
- The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
| | - Dong Liu
- The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
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6
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Cachetas D, Vaz-Moreira I, Pereira V, Manaia CM. Towards the definition of an antibiotic resistome signature in wastewater and downstream environments. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 357:124424. [PMID: 38909773 DOI: 10.1016/j.envpol.2024.124424] [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: 03/15/2024] [Revised: 05/18/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024]
Abstract
Domestic wastewater is a significant reservoir of antibiotic resistance genes, which pose environmental and public health risks. We aimed to define an antibiotic resistome signature, represented by core genes, i.e., shared by ≥ 90% of the metagenomes of each of three conceptual environmental compartments - wastewater (influent, sludge, effluent), freshwater, and agricultural soil. The definition of resistome signatures would support the proposal of a framework for monitoring treatment efficacy and assessing the impact of treated wastewater discharge into the environment, such as freshwater and agricultural soil. Metagenomic data from 163 samples originating from wastewater (n = 81), freshwater (n = 58), and agricultural soils (n = 24) across different regions (29 countries, 5 continents), were analysed regarding antibiotic resistance diversity, based on annotation against a database that merged CARD and ResFinder databases. The relative abundance of the total antibiotic resistance genes (corresponding to the ratio between the antibiotic resistance genes and total reads number) was not statistically different between raw and treated wastewater, being significantly higher than in freshwater or agricultural soils. The latter had the significantly lowest relative abundance of antibiotic resistance genes. Genes conferring resistance to aminoglycosides, beta-lactams, and tetracyclines were among the most abundant in wastewater environments, while multidrug resistance was equally distributed across all environments. The wastewater resistome signature included 27 antibiotic resistance genes that were detected in at least 90% of the wastewater resistomes, and that were not frequent in freshwater or agricultural soil resistomes. Among these were genes responsible for resistance to tetracyclines (n = 8), macrolide-lincosamide-streptogramin B (n = 7), aminoglycosides (n = 4), beta-lactams (n = 3), multidrug (n = 2), sulphonamides (n = 2), and polypeptides (n = 1). This comprehensive assessment provides valuable insights into the dynamics of antibiotic resistance in urban wastewater systems and their potential ecological implications in diverse environmental settings. Furthermore, provides guidance for the implementation of One Health monitoring approaches.
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Affiliation(s)
- Diogo Cachetas
- 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
| | - Ivone Vaz-Moreira
- 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.
| | - Vítor Pereira
- Centre of Biological Engineering University of Minho, Braga, Portugal; LABBELS -Associate Laboratory, Braga/Guimarães, Portugal
| | - 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
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7
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Knight ME, Webster G, Perry WB, Baldwin A, Rushton L, Pass DA, Cross G, Durance I, Muziasari W, Kille P, Farkas K, Weightman AJ, Jones DL. National-scale antimicrobial resistance surveillance in wastewater: A comparative analysis of HT qPCR and metagenomic approaches. WATER RESEARCH 2024; 262:121989. [PMID: 39018584 DOI: 10.1016/j.watres.2024.121989] [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: 03/01/2024] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 07/19/2024]
Abstract
Wastewater serves as an important reservoir of antimicrobial resistance (AMR), and its surveillance can provide insights into population-level trends in AMR to inform public health policy. This study compared two common high-throughput screening approaches, namely (i) high-throughput quantitative PCR (HT qPCR), targeting 73 antimicrobial resistance genes, and (ii) metagenomic sequencing. Weekly composite samples of wastewater influent were taken from 47 wastewater treatment plants (WWTPs) across Wales, as part of a national AMR surveillance programme, alongside 4 weeks of daily wastewater effluent samples from a large municipal hospital. Metagenomic analysis provided more comprehensive resistome coverage, detecting 545 genes compared to the targeted 73 genes by HT qPCR. It further provided contextual information critical to risk assessment (i.e. potential bacterial hosts). In contrast, HT qPCR exhibited higher sensitivity, quantifying all targeted genes including those of clinical relevance present at low abundance. When limited to the HT qPCR target genes, both methods were able to reflect the spatiotemporal dynamics of the complete metagenomic resistome, distinguishing that of the hospital and the WWTPs. Both approaches revealed correlations between resistome compositional shifts and environmental variables like ammonium wastewater concentration, though differed in their interpretation of some potential influencing factors. Overall, metagenomics provides more comprehensive resistome profiling, while qPCR permits sensitive quantification of genes significant to clinical resistance. We highlight the importance of selecting appropriate methodologies aligned to surveillance aims to guide the development of effective wastewater-based AMR monitoring programmes.
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Affiliation(s)
- Margaret E Knight
- School of Environmental & Natural Sciences, Bangor University, Bangor, LL57 2UW, Wales, UK.
| | - Gordon Webster
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, School of Biosciences, Museum Avenue, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - William B Perry
- Water Research Institute, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Amy Baldwin
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, School of Biosciences, Museum Avenue, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Laura Rushton
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, School of Biosciences, Museum Avenue, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Daniel A Pass
- Compass Bioinformatics, 17 Habershon Street, Cardif, CF24 2DU, Wales, UK
| | - Gareth Cross
- Science Evidence Advice Division, Health and Social Services Group, Welsh Government, Cathays Park, Cardiff, CF10 3NQ, Wales, UK
| | - Isabelle Durance
- Water Research Institute, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Windi Muziasari
- Resistomap Oy, Cultivator II, Viikinkaari 4, Helsinki, Finland
| | - Peter Kille
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, School of Biosciences, Museum Avenue, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Kata Farkas
- School of Environmental & Natural Sciences, Bangor University, Bangor, LL57 2UW, Wales, UK
| | - Andrew J Weightman
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, School of Biosciences, Museum Avenue, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Davey L Jones
- School of Environmental & Natural Sciences, Bangor University, Bangor, LL57 2UW, Wales, UK
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8
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Zhang RD, Gao FZ, Shi YJ, Zhao JL, Liu YS, He LY, Ying GG. Metagenomic investigation of antibiotic resistance genes and resistant bacteria contamination in pharmaceutical plant sites in China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 357:124482. [PMID: 38960118 DOI: 10.1016/j.envpol.2024.124482] [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: 02/28/2024] [Revised: 06/03/2024] [Accepted: 06/29/2024] [Indexed: 07/05/2024]
Abstract
Pharmaceutical plant sites play a significant role in the dissemination of antibiotic resistance genes (ARGs) into the environment. It is imperative to comprehensively monitor of ARGs across various environmental media at these sites. This study focused on three pharmaceutical plants, two located in North China and one in South China. Through metagenomic approaches, we examined the composition, mobility potential, and bacterial hosts of ARGs in diverse media such as process water, groundwater, topsoil, soil cores, and pharmaceutical fermentation residues across diverse environmental matrices, including topsoil, soil cores, process water, groundwater, and pharmaceutical fermentation residues. We identified a wide array of ARGs, comprising 21 types and 740 subtypes, with process water exhibiting the highest abundance and diversity. Treatment processes varied in their efficacy in eliminating ARGs, and the clinically relevant ARGs should also be considered when evaluating wastewater treatment plant efficiency. Geographical distinctions in groundwater ARG distribution between northern and southern regions were observed. Soil samples from the three sites showed minimal impact from pharmaceutical activity, with vancomycin-resistance genes being the most prevalent. High levels of ARGs in pharmaceutical fermentation residues underscore the necessity for improved waste management practices. Metagenomic assembly revealed that plasmid-mediated ARGs were more abundant than chromosome-mediated ARGs. Metagenome-assembled genomes (MAGs) analysis identified 166 MAGs, with 62 harboring multiple ARGs. Certain bacteria tended to carry specific types of ARGs, revealing distinct host-resistance associations. This study enhances our understanding of ARG dissemination across different environmental media within pharmaceutical plants and underscores the importance of implementing strict regulations for effluent and residue discharge to control ARG spread.
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Affiliation(s)
- Run-Dong Zhang
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
| | - Fang-Zhou Gao
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
| | - Yi-Jing Shi
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China.
| | - Jian-Liang Zhao
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
| | - You-Sheng Liu
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
| | - Liang-Ying He
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
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9
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Lu Z, Liu G, Xie H, Zhai Y, Li X. Advances and solutions in biological treatment for antibiotic wastewater with resistance genes: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 368:122115. [PMID: 39121628 DOI: 10.1016/j.jenvman.2024.122115] [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: 01/11/2024] [Revised: 07/16/2024] [Accepted: 08/03/2024] [Indexed: 08/12/2024]
Abstract
Biological treatment represents a fundamental component of wastewater treatment plants (WWTPs). The transmission of antibiotic resistance bacteria (ARB) and resistance genes (ARGs) occurred through the continuous migration and transformation, attributed to the residual presence of antibiotics in WWTPs effluent, posing a significant threat to the entire ecosystem. It is necessary to propose novel biological strategies to address the challenge of refractory contaminants, such as antibiotics, ARGs and ARB. This review summarizes the occurrence of antibiotics in wastewater, categorized by high and low concentrations. Additionally, current biological treatments used in WWTPs, such as aerobic activated sludge, anaerobic digestion, sequencing batch reactor (SBR), constructed wetland, membrane-related bioreactors and biological aerated filter (BAF) are introduced. In particular, because microorganisms are the key to those biological treatments, the effect of high and low concentration of antibiotics on microorganisms are thoroughly discussed. Finally, solutions involving functional bacteria, partial nitrification (PN)-Anammox and lysozyme embedding are suggested from the perspective of the entire biological treatment process. Overall, this review provides valuable insights for the simultaneous removal of antibiotics and ARGs in antibiotics wastewater.
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Affiliation(s)
- Ziyi Lu
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Gaige Liu
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Hongwei Xie
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Yining Zhai
- School of Civil Engineering, Heilongjiang University, Harbin 150080, China
| | - Xiangkun Li
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China.
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10
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Sarekoski A, Lipponen A, Hokajärvi AM, Räisänen K, Tiwari A, Paspaliari D, Lehto KM, Oikarinen S, Heikinheimo A, Pitkänen T. Simultaneous biomass concentration and subsequent quantitation of multiple infectious disease agents and antimicrobial resistance genes from community wastewater. ENVIRONMENT INTERNATIONAL 2024; 191:108973. [PMID: 39182255 DOI: 10.1016/j.envint.2024.108973] [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: 11/20/2023] [Revised: 07/01/2024] [Accepted: 08/19/2024] [Indexed: 08/27/2024]
Abstract
Wastewater-based surveillance (WBS) of infectious disease agents is increasingly seen as a reliable source of population health data. To date, wastewater-based surveillance efforts have largely focused on individual pathogens. However, given that wastewater contains a broad range of pathogens circulating in the population, a more comprehensive approach could enhance its usability. We focused on the simultaneous detection of SARS-CoV-2, sapovirus, Campylobacter jejuni, Campylobacter coli, Salmonella spp., pathogenic Escherichia coli, Cryptosporidium spp., Giardia spp. and antimicrobial resistance genes (ARGs) of clinical relevance. To achieve this goal, biomass concentration and nucleic acid extraction methods were optimized, and samples were analyzed by using a set of (RT)-qPCR and (HT)-qPCR methods. We determined the prevalence and the spatial and temporal trends of the targeted pathogens and collected novel information on ARGs in Finnish wastewater. In addition, the use of different wastewater concentrates, namely the ultrafiltered concentrate of the supernatant and the centrifuged pellet, and the effect of freezing and thawing wastewater prior to sample processing were investigated with the indicator microbe crAssphage. Freeze-thawing of wastewater decreased the gene copy count of crAssphage in comparison to analyzing fresh samples (p < 0.001). Campylobacters were most abundant in two of the four studied summer months (30 % detection rate) and in wastewaters from regions with intensive animal farming. Salmonella, however, was detected in 40 % of the samples without any clear seasonal trends, and the highest gene copy numbers were recorded from the largest wastewater treatment plants. Beta-lactamase resistance genes that have commonly been detected in bacteria isolated from humans in Finland, namely blaCTX-M, blaOXA48, blaNDM, and blaKPC, were also frequently detected in wastewaters (100, 98, 98, and 70 % detection rates, respectively). These results confirm the reliability of using wastewater in public health surveillance and demonstrate the possibility to simultaneously perform WBS of multiple pathogens.
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Affiliation(s)
- Anniina Sarekoski
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland; University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland.
| | - Anssi Lipponen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Anna-Maria Hokajärvi
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Kati Räisänen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Mannerheimintie 166, Helsinki FI-00271, Finland.
| | - Ananda Tiwari
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Dafni Paspaliari
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Mannerheimintie 166, Helsinki FI-00271, Finland.
| | - Kirsi-Maarit Lehto
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520 Tampere, Finland.
| | - Sami Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520 Tampere, Finland.
| | - Annamari Heikinheimo
- University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland; Finnish Food Authority, Alvar Aallon katu 5, FI-60100 Seinäjoki, Finland.
| | - Tarja Pitkänen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland; University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland.
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11
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Kotzamanidis C, Malousi A, Paraskeva A, Vafeas G, Giantzi V, Hatzigiannakis E, Dalampakis P, Kinigopoulou V, Vrouhakis I, Zouboulis A, Yiangou M, Zdragas A. River waters in Greece: A reservoir for clinically relevant extended-spectrum-β-lactamases-producing Escherichia coli. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 941:173554. [PMID: 38823724 DOI: 10.1016/j.scitotenv.2024.173554] [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: 03/16/2024] [Revised: 05/10/2024] [Accepted: 05/24/2024] [Indexed: 06/03/2024]
Abstract
In the current study, the genotypic characteristics such as antimicrobial resistance and virulence genes, and plasmid replicons and phenotypic characteristics such as biofilm formation and antimicrobial resistance of 87 extended-spectrum beta-lactamase (ESBL)-producing E. coli (ESBL-Ec) isolated from 7 water bodies in northern Greece were investigated. Our data show a high prevalence (60.0 %) of ESBL-Ec in surface waters that exhibit high genetic diversity, suggesting multiple sources of their transmission into the aquatic environment. When evaluating the antimicrobial resistance of isolates, wide variation in their resistance profiles has been detected, with all isolates being multi-drug resistant (MDR). Regarding biofilm formation capacity and phylogenetic groups, the majority (54.0 %, 47/87) of ESBL-Ec were classified as no biofilm producers mainly assigned to phylogroup A (35.6 %; 31/87), followed by B2 (26.5 %; 23/87). PCR screening showed that a high proportion of the isolates tested positive for the blaCTX-M-1 group genes (69 %, 60/87), followed by blaTEM (55.2 %, 48/87), blaOXA (25.3 %, 22/87) and blaCTX-M-9 (17.2 %, 15/87). A subset of 28 ESBL-Ec strains was further investigated by applying whole genome sequencing (WGS), and among them, certain clinically significant sequence types were identified, such as ST131 and ST10. The corresponding in silico analysis predicted all these isolates as human pathogens, while a significant proportion of WGS-ESBL-Ec were assigned to extraintestinal pathogenic E. coli (ExPEC; 32.1 %), and urinary pathogenic E. coli (UPEC; 28.6 %) pathotypes. Comparative phylogenetic analysis, showed that the genomes of the ST131-O25:H4-H30 isolates are genetically linked to the human clinical strains. Here, we report for the first time the detection of a plasmid-mediated mobile colistin resistance gene in ESBL-Ec in Greece isolated from an environmental source. Overall, this study underlines the role of surface waters as a reservoir for antibiotic resistance genes and for presumptive pathogenic ESBL-Ec.
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Affiliation(s)
- Charalampos Kotzamanidis
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece.
| | - Andigoni Malousi
- School of Medicine, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Genomics and Epigenomics Translational Research Group, Center for Interdisciplinary Research and Innovation, Thessaloniki 57001, Greece
| | - Anastasia Paraskeva
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - George Vafeas
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
| | - Virginia Giantzi
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
| | - Evaggelos Hatzigiannakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Paschalis Dalampakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Vasiliki Kinigopoulou
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Ioannis Vrouhakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Anastasios Zouboulis
- Department of Chemistry, Division of Chemical & Industrial Technology, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Minas Yiangou
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Antonios Zdragas
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
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12
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Shen J, Yu D, Liu Z, Di H, He JZ. Land use conversion to uplands significantly increased the risk of antibiotic resistance genes in estuary area. ENVIRONMENT INTERNATIONAL 2024; 191:108953. [PMID: 39153385 DOI: 10.1016/j.envint.2024.108953] [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: 05/31/2024] [Revised: 07/28/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Land use conversion in estuary wetlands may affect the transmission of antibiotic resistance genes (ARGs), while the risk rank of the ARGs and the change of clinically relevant ARGs under various land-use types are not well understood. This study used metagenomics to reveal the diversity and abundance of ARGs across five distinct land uses: reed wetland, tidal flat, grassland, agricultural land and fallow land, as well as their distribution and potential health risks. Results showed that high numbers of ARG subtypes and classes were detected irrespective of land-use types, notably higher in agricultural land (144 ARG subtypes). The most shared ARG subtypes were multidrug resistance genes across all the land uses (29 subtypes, 4.7 × 10-2-1.5 × 10-1 copies per 16S rRNA gene copy). Proteobacteria and Actinobacteria were primary ARG hosts, with 18 and 15 ARGs were found in both of them, respectively. The ARG subtype mdtB was the most dominant clinical ARG detected with 90 % amino acid identity. The change of ARGs exhibited a consistent trend across land uses in terms of health risk ranks, with the highest observed in fallow land and the lowest in reed wetland. This study reveals the distribution pattern of ARGs across various land-use types, and enhances our understanding of the potential health risks associated with ARGs in the context of coastal wetland conversion in estuary areas.
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Affiliation(s)
- Jupei Shen
- Key Laboratory of Humid Subtropical Eco-geographical Process of Ministry of Education, School of Geographical Sciences/School of Carbon Neutrality Future Technology, Fujian Normal University, Fuzhou 350007, China
| | - Danting Yu
- Key Laboratory of Humid Subtropical Eco-geographical Process of Ministry of Education, School of Geographical Sciences/School of Carbon Neutrality Future Technology, Fujian Normal University, Fuzhou 350007, China.
| | - Zikai Liu
- Key Laboratory of Humid Subtropical Eco-geographical Process of Ministry of Education, School of Geographical Sciences/School of Carbon Neutrality Future Technology, Fujian Normal University, Fuzhou 350007, China
| | - Hongjie Di
- Centre for Soil and Environmental Research, Lincoln University, Lincoln, 7674, Christchurch, New Zealand
| | - Ji-Zheng He
- Key Laboratory of Humid Subtropical Eco-geographical Process of Ministry of Education, School of Geographical Sciences/School of Carbon Neutrality Future Technology, Fujian Normal University, Fuzhou 350007, China; School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, Parkville 3010, Victoria, Australia.
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13
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Wu F, Yuan C, Ruan C, Zheng M, Liu L, Wang G, Chen G. Coagulation promotes the spread of antibiotic resistance genes in secondary effluents. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124245. [PMID: 38810683 DOI: 10.1016/j.envpol.2024.124245] [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: 09/05/2023] [Revised: 05/04/2024] [Accepted: 05/26/2024] [Indexed: 05/31/2024]
Abstract
Wastewater treatment plants (WWTPs) are biological hotspots receiving the residual antibiotics and antibiotic resistant bacteria/genes (ARB/ARGs) that greatly influence the spread of antibiotic resistance in the environment. A common method used in WWTPs for the purification of secondary effluent is coagulation. Notwithstanding the increasing health concern of antibiotic resistance in WWTPs, the impact of coagulation on the emergence and spread of antibiotic resistance remains unclear. To shed light on this, our study investigated the behavior of four representative ARB types (tetracycline, sulfamethoxazole, clindamycin, and ciprofloxacin resistance) during the coagulation process in a model wastewater treatment plant. Our search showed a significant reduction in the presence of ARBs after either PAC or FeCl3 coagulation, with removal efficiencies of 95% and 90%, respectively. However, after 4 days of storage, ARB levels in the coagulated effluent increased by 6-138 times higher than the original secondary effluent. It suggests a potential resurgence and spread of antibiotic resistance after coagulation. Detailed studies suggest that coagulants, particularly PAC, may facilitate the transfer of ARGs among different bacterial species by the enhanced cell-cell contact during coagulation-induced bacterial aggregation. This transfer is further enhanced by the factors such as auxiliary mixing, longer incubation time and ideal operating temperatures. In addition, both PAC and FeCl3 affected gene expression associated with bacterial conjugation, leading to an increase in conjugation efficiency. In conclusion, while coagulation serves as a purification method, it might inadvertently boost the spread of ARGs during tertiary wastewater treatment. This underscores the importance of implementing subsequent measures to mitigate this effect. Our findings provide a deeper understanding of the challenges posed by bacterial antibiotic resistance in wastewater and pave the way for devising more effective ARB and ARG management strategies.
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Affiliation(s)
- Fazhu Wu
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Chao Yuan
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Chujin Ruan
- Department of Soil and Water Sciences, China Agricultural University, Beijing, 100193, China; Department of Environmental Microbiology, Swiss Federal Institute of Aquatic Science and Technology (Eawag), Dübendorf, 8600, Switzerland
| | - Mengqi Zheng
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Li Liu
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Gang Wang
- Department of Soil and Water Sciences, China Agricultural University, Beijing, 100193, China
| | - Guowei Chen
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
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14
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Samarra A, Cabrera-Rubio R, Martínez-Costa C, Collado MC. Unravelling the evolutionary dynamics of antibiotic resistance genes in the infant gut microbiota during the first four months of life. Ann Clin Microbiol Antimicrob 2024; 23:72. [PMID: 39138497 PMCID: PMC11323388 DOI: 10.1186/s12941-024-00725-z] [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: 03/05/2024] [Accepted: 07/12/2024] [Indexed: 08/15/2024] Open
Abstract
BACKGROUND Alongside microbiota development, the evolution of the resistome is crucial in understanding the early-life acquisition and persistence of Antibiotic Resistance Genes (ARGs). Therefore, the aim of this study is to provide a comprehensive view of the evolution and dynamics of the neonatal resistome from 7 days to 4 months of age using a high-throughput qPCR platform. METHODS In the initial phase, a massive screening of 384 ARGs using a high-throughput qPCR in pooled healthy mother-infant pairs feces from the MAMI cohort was carried out to identify the most abundant and prevalent ARGs in infants and in mothers. This pre-analysis allowed for later targeted profiling in a large number of infants in a longitudinal manner during the first 4 months of life. 16S rRNA V3-V4 amplicon sequencing was performed to asses microbial composition longitudinally. Potential factors influencing the microbiota and ARGs in this period were also considered, such as mode of birth and breastfeeding type. RESULTS Following the massive screening, the top 45 abundant ARGs and mobile genetic elements were identified and studied in 72 infants during their first months of life (7 days, 1, 2, and 4 months). These genes were associated with resistance to aminoglycosides, beta-lactams and tetracyclines, among others, as well as integrons, and other mobile genetic elements. Changes in both ARG composition and quantity were observed during the first 4 months of life: most ARGs abundance increased over time, but mobile genetic elements decreased significantly. Further exploration of modulating factors highlighted the effect on ARG composition of specific microbial genus, and the impact of mode of birth at 7 days and 4 months. The influence of infant formula feeding was observed at 4-month-old infants, who exhibited a distinctive resistome composition. CONCLUSIONS This study illustrates the ARG evolution and dynamics in the infant gut by use of a targeted, high-throughput, quantitative PCR-based method. An increase in antibiotic resistance over the first months of life were observed with a fundamental role of delivery mode in shaping resistance profiles. Further, we highlighted the influence of feeding methods on the resistome development. These findings offer pivotal insights into dynamics of and factors influencing early-life resistome, with potential avenues for intervention strategies.
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Affiliation(s)
- Anna Samarra
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology- National Spanish Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Raúl Cabrera-Rubio
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology- National Spanish Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Cecilia Martínez-Costa
- Department of Pediatrics, School of Medicine, University of Valencia, Valencia, Spain
- Pediatric Gastroenterology and Nutrition Section, Hospital Clínico Universitario Valencia, INCLIVA, Valencia, Spain
| | - Maria Carmen Collado
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology- National Spanish Research Council (IATA-CSIC), Paterna, Valencia, Spain.
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15
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Bonanno Ferraro G, Bonomo C, Brandtner D, Mancini P, Veneri C, Briancesco R, Coccia AM, Lucentini L, Suffredini E, Bongiorno D, Musso N, Stefani S, La Rosa G. Characterisation of microbial communities and quantification of antibiotic resistance genes in Italian wastewater treatment plants using 16S rRNA sequencing and digital PCR. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:173217. [PMID: 38750766 DOI: 10.1016/j.scitotenv.2024.173217] [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: 03/29/2024] [Revised: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 05/19/2024]
Abstract
The spread of antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) in humans, animals and environment is a growing threat to public health. Wastewater treatment plants (WWTPs) are crucial in mitigating the risk of environmental contamination by effectively removing contaminants before discharge. However, the persistence of ARB and ARGs even after treatment is a challenge for the management of water system. To comprehensively assess antimicrobial resistance dynamics, we conducted a one-year monitoring study in three WWTPs in central Italy, both influents and effluents. We used seasonal sampling to analyze microbial communities by 16S rRNA, as well as to determine the prevalence and behaviour of major ARGs (sul1, tetA, blaTEM, blaOXA-48, blaCTX-M-1 group, blaKPC) and the class 1 Integron (int1). Predominant genera included in order: Arcobacter, Acinetobacter, Flavobacterium, Pseudarcobacter, Bacteroides, Aeromonas, Trichococcus, Cloacibacterium, Pseudomonas and Streptococcus. A higher diversity of bacterial communities was observed in the effluents compared to the influents. Within these communities, we also identified bacteria that may be associated with antibiotic resistance and pose a significant threat to human health. The mean concentrations (in gene copies per liter, gc/L) of ARGs and int1 in untreated wastewater (absolute abundance) were as follows: sul1 (4.1 × 109), tetA (5.2 × 108), blaTEM (1.1 × 108), blaOXA-48 (2.1 × 107), blaCTX-M-1 group (1.1 × 107), blaKPC (9.4 × 105), and int1 (5.5 × 109). The mean values in treated effluents showed reductions ranging from one to three log. However, after normalizing to the 16S rRNA gene (relative abundance), it was observed that in 37.5 % (42/112) of measurements, the relative abundance of ARGs increased in effluents compared to influents. Furthermore, correlations were identified between ARGs and bacterial genera including priority pathogens. This study improves our understanding of the dynamics of ARGs and provides insights to develop more effective strategies to reduce their spread, protecting public health and preserving the future efficacy of antibiotics.
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Affiliation(s)
- Giusy Bonanno Ferraro
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy; Department of Biomedical and Biotechnological Science, University of Catania, Italy
| | - Carmelo Bonomo
- Department of Biomedical and Biotechnological Science, University of Catania, Italy
| | - David Brandtner
- Departments of Infectious Disease, Istituto Superiore di Sanità, Rome, Italy
| | - Pamela Mancini
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy
| | - Carolina Veneri
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy
| | - Rossella Briancesco
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy
| | - Anna Maria Coccia
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy
| | - Luca Lucentini
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy
| | - Elisabetta Suffredini
- Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, Rome, Italy
| | - Dafne Bongiorno
- Department of Biomedical and Biotechnological Science, University of Catania, Italy
| | - Nicolò Musso
- Department of Biomedical and Biotechnological Science, University of Catania, Italy
| | - Stefania Stefani
- Department of Biomedical and Biotechnological Science, University of Catania, Italy
| | - Giuseppina La Rosa
- National Center for Water Safety (CeNSia), Istituto Superiore di Sanità, Rome, Italy.
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16
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Zhao J, Feng T, An X, Chen X, Han N, Wang J, Chang G, Hou X. Livestock grazing is associated with the gut microbiota and antibiotic resistance genes in sympatric plateau pika (Ochotona curzoniae). Integr Zool 2024; 19:646-661. [PMID: 37828802 DOI: 10.1111/1749-4877.12778] [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] [Indexed: 10/14/2023]
Abstract
With the overuse of antibiotics in health care and animal husbandry, antibiotic resistance becomes a serious threat to public health. Antibiotic residues from veterinary medicine have increased the dissemination of antibiotic resistance genes (ARGs) by horizontal gene transfer globally, leading to the enrichment of ARGs in wildlife. Plateau pika (Ochotona curzoniae) is a small herbivore endemic to the Qinghai-Tibetan Plateau. Previous studies reveal that pika evolves a coprophagy behavior toward cohabitated yak, which makes the pika population a potential reservoir of ARGs. Yet, little is known about the resistome of pika under different grazing intensities. Here, we sampled the cecum content of pika from three different grazing intensity areas in the Qinghai-Tibetan Plateau to evaluate the effect of grazing on its gut microbiota and resistome. By using the 16S full-length amplicon and metagenomic sequencing, our study revealed that livestock grazing significantly altered the gut microbial community of plateau pika as compared to prohibited grazing areas. We found bacterial lineage Prevotellaceae, Lachnospirales, and RF39 increased in grazing areas. Analysis of the resistome revealed that pika from continuous grazing areas enriched a higher abundance of colistin (MCR) and streptogramin (vat) resistance genes. Moreover, we observed significant correlations between the gut microbial community, ARGs, and mobile genetic element profiles, hinting that pika gut microbiota was an important shaping force of the resistome. In future studies, the continuous monitoring of wildlife gut resistome and environmental antibiotic residues is imperative for a better understanding and for tackling the horizontal gene transfer of ARGs across the wildlife-livestock interface.
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Affiliation(s)
- Jidong Zhao
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Tuo Feng
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Xiaolei An
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Xiaoning Chen
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Ning Han
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Jing Wang
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Gang Chang
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
| | - Xiang Hou
- Shaanxi Key Laboratory of Qinling Ecological Security, Shaanxi Institute of Zoology, Xi'an, P. R. China
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17
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Tavares RDS, Fidalgo C, Rodrigues ET, Tacão M, Henriques I. Integron-associated genes are reliable indicators of antibiotic resistance in wastewater despite treatment- and seasonality-driven fluctuations. WATER RESEARCH 2024; 258:121784. [PMID: 38761599 DOI: 10.1016/j.watres.2024.121784] [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: 12/20/2023] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
The present study aims to characterize the bacterial community, resistome and integron abundance of a municipal wastewater treatment plant (WWTP) over the course of 12 months and evaluate the year-long performance of integron-related genes as potential indicators of antibiotic resistance mechanisms in influents and effluents. For that, total DNA was extracted and subjected to 16S rRNA-targeted metabarcoding, high-throughput (HT) qPCR (48 targets) and standard qPCR (5 targets). Targets included integrase genes, antibiotic resistance genes (ARGs) and putative pathogenic groups. A total of 16 physicochemical parameters determined in the wastewater samples were also considered. Results revealed that the WWTP treatment significantly impacted the bacterial community, as well as the content in ARGs and integrase genes. Indeed, there was a relative enrichment from influent to effluent of 13 pathogenic groups (e.g., Legionella and Mycobacterium) and genes conferring resistance to sulphonamides, aminoglycosides and disinfectants. Effluent samples (n = 25) also presented seasonal differences, with an increase of the total ARGs' concentration in summer, and differences between winter and summer on relative abundance of sulphonamide and disinfectant resistance mechanisms. From the eight putative integron-related genes selected, all were positively correlated with the total ARGs' content in wastewater and the relative abundance of resistance to most of the specific antibiotic classes. The genes intI1, blaGES and qacE∆1 were the most strongly correlated with the total concentration of ARGs. Genes blaGES and blaVIM, were better correlated to resistance to beta-lactams, aminoglycosides and tetracyclines. This study supports the use of integron-related genes as powerful indicators of antibiotic resistance in wastewater, being robust despite the variability caused by wastewater treatment and seasonality.
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Affiliation(s)
- Rafael D S Tavares
- Department of Life Sciences, Centre for Functional Ecology, Associate Laboratory TERRA, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal; Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Cátia Fidalgo
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Elsa T Rodrigues
- Department of Life Sciences, Centre for Functional Ecology, Associate Laboratory TERRA, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal
| | - Marta Tacão
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Isabel Henriques
- Department of Life Sciences, Centre for Functional Ecology, Associate Laboratory TERRA, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal
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18
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Galarde-López M, Velazquez-Meza ME, Godoy-Lozano EE, Carrillo-Quiroz BA, Cornejo-Juárez P, Sassoé-González A, Ponce-de-León A, Saturno-Hernández P, Alpuche-Aranda CM. Presence and Persistence of ESKAPEE Bacteria before and after Hospital Wastewater Treatment. Microorganisms 2024; 12:1231. [PMID: 38930614 PMCID: PMC11206169 DOI: 10.3390/microorganisms12061231] [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: 05/22/2024] [Revised: 06/02/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
The metagenomic surveillance of antimicrobial resistance in wastewater has been suggested as a methodological tool to characterize the distribution, status, and trends of antibiotic-resistant bacteria. In this study, a cross-sectional collection of samples of hospital-associated raw and treated wastewater were obtained from February to March 2020. Shotgun metagenomic sequencing and bioinformatic analysis were performed to characterize bacterial abundance and antimicrobial resistance gene analysis. The main bacterial phyla found in all the samples were as follows: Proteobacteria, Bacteroides, Firmicutes, and Actinobacteria. At the species level, ESKAPEE bacteria such as E. coli relative abundance decreased between raw and treated wastewater, but S. aureus, A. baumannii, and P. aeruginosa increased, as did the persistence of K. pneumoniae in both raw and treated wastewater. A total of 172 different ARGs were detected; blaOXA, blaVEB, blaKPC, blaGES, mphE, mef, erm, msrE, AAC(6'), ant(3″), aadS, lnu, PBP-2, dfrA, vanA-G, tet, and sul were found at the highest abundance and persistence. This study demonstrates the ability of ESKAPEE bacteria to survive tertiary treatment processes of hospital wastewater, as well as the persistence of clinically important antimicrobial resistance genes that are spreading in the environment.
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Affiliation(s)
- Miguel Galarde-López
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico; (M.G.-L.); (E.E.G.-L.); (B.A.C.-Q.)
| | - Maria Elena Velazquez-Meza
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico; (M.G.-L.); (E.E.G.-L.); (B.A.C.-Q.)
| | - Elizabeth Ernestina Godoy-Lozano
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico; (M.G.-L.); (E.E.G.-L.); (B.A.C.-Q.)
| | - Berta Alicia Carrillo-Quiroz
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico; (M.G.-L.); (E.E.G.-L.); (B.A.C.-Q.)
| | - Patricia Cornejo-Juárez
- Departamento de Infectología, Instituto Nacional de Cancerología, Tlalpan, Mexico City 14080, Mexico;
| | - Alejandro Sassoé-González
- Unidad de Inteligencia Epidemiológica, Hospital Regional de Alta Especialidad de Ixtapaluca, Ixtapaluca 56530, Mexico;
| | - Alfredo Ponce-de-León
- Laboratorio Nacional de Máxima Seguridad para el Estudio de Tuberculosis y Enfermedades Emergentes, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Mexico City 14080, Mexico;
| | - Pedro Saturno-Hernández
- Centro de Investigación en Evaluación de Encuestas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico;
| | - Celia Mercedes Alpuche-Aranda
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Morelos 62100, Mexico; (M.G.-L.); (E.E.G.-L.); (B.A.C.-Q.)
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19
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Alygizakis N, Ng K, Čirka Ľ, Berendonk T, Cerqueira F, Cytryn E, Deviller G, Fortunato G, Iakovides IC, Kampouris I, Michael-Kordatou I, Lai FY, Lundy L, Manaia CM, Marano RBM, Paulus GK, Piña B, Radu E, Rizzo L, Ślipko K, Kreuzinger N, Thomaidis NS, Ugolini V, Vaz-Moreira I, Slobodnik J, Fatta-Kassinos D. Making waves: The NORMAN antibiotic resistant bacteria and resistance genes database (NORMAN ARB&ARG)-An invitation for collaboration to tackle antibiotic resistance. WATER RESEARCH 2024; 257:121689. [PMID: 38723350 DOI: 10.1016/j.watres.2024.121689] [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: 01/09/2024] [Revised: 04/12/2024] [Accepted: 04/28/2024] [Indexed: 05/29/2024]
Abstract
With the global concerns on antibiotic resistance (AR) as a public health issue, it is pivotal to have data exchange platforms for studies on antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) in the environment. For this purpose, the NORMAN Association is hosting the NORMAN ARB&ARG database, which was developed within the European project ANSWER. The present article provides an overview on the database functionalities, the extraction and the contribution of data to the database. In this study, AR data from three studies from China and Nepal were extracted and imported into the NORMAN ARB&ARG in addition to the existing AR data from 11 studies (mainly European studies) on the database. This feasibility study demonstrates how the scientific community can share their data on AR to generate an international evidence base to inform AR mitigation strategies. The open and FAIR data are of high potential relevance for regulatory applications, including the development of emission limit values / environmental quality standards in relation to AR. The growth in sharing of data and analytical methods will foster collaboration on risk management of AR worldwide, and facilitate the harmonization in the effort for identification and surveillance of critical hotspots of AR. The NORMAN ARB&ARG database is publicly available at: https://www.norman-network.com/nds/bacteria/.
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Affiliation(s)
- Nikiforos Alygizakis
- Environmental Institute, Okružná 784/42, Koš 97241, Slovak Republic; Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 15771, Greece.
| | - Kelsey Ng
- Environmental Institute, Okružná 784/42, Koš 97241, Slovak Republic; RECETOX, Faculty of Science, Masaryk University, Kamenice 753/5, Building D29, Brno 62500, Czech Republic
| | - Ľuboš Čirka
- Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, Bratislava, Slovak Republic
| | - Thomas Berendonk
- Technische Universität Dresden, Institute of Hydrobiology, Chair of Limnology, Zellescher Weg 40, Dresden 01062, Germany
| | - Francisco Cerqueira
- Center for Health and Bioresources, Austrian Institute of Technology, Konrad-Lorenz-Straße 24, Tulln an der Donau 3430, Austria; Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18, Barcelona 08034, Spain
| | - Eddie Cytryn
- Department of Soil Chemistry, Plant Nutrition and Microbiology, Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization, Rishon Lezion, Israel
| | | | - Gianuario Fortunato
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Iakovos C Iakovides
- Department of Civil and Environmental Engineering, School of Engineering, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus; Nireas-International Water Research Centre, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus
| | - Ioannis Kampouris
- Julius Kühn-Institut, Federal Research Centre for Cultivated Plants (JKI), Institute for Epidemiology and Pathogen Diagnostics, Braunschweig, Germany
| | - Irene Michael-Kordatou
- Nireas-International Water Research Centre, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus
| | - Foon Yin Lai
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Uppsala SE-75007, Sweden
| | - Lian Lundy
- Lulea Technical University, Lulea, Sweden
| | - Celia M Manaia
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Roberto B M Marano
- Department of Soil Chemistry, Plant Nutrition and Microbiology, Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization, Rishon Lezion, Israel
| | - Gabriela K Paulus
- KWR Watercycle Research Institute, Groningenhaven 7, Nieuwegein 3433 PE, the Netherlands; Faculty of Civil Engineering & Geosciences, Department of Water Management, Delft University of Technology, Stevinweg 1, Delft 2628 CN, the Netherlands; Amazon Web Services, Inc., 410 Terry Avenue North, Seattle, WA 98109-5210, USA
| | - Benjamin Piña
- Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18, Barcelona 08034, Spain
| | - Elena Radu
- Department of Virology, University of Medicine and Pharmacy Carol Davila, 37 Dionisie Lupu Street, Bucharest 020021, Romania; Department of Cellular and Molecular Pathology, Stefan S. Nicolau Institute of Virology, 285 Mihai Bravu Avenue, Bucharest 030304, Romania; Institute for Water Quality and Resource Management, Vienna University of Technology, Karlsplatz 13/226, Vienna 1040, Austria
| | - Luigi Rizzo
- Department of Civil Engineering, Water Science and Technology (WaSTe) Group, University of Salerno, Via Giovanni Paolo II 132, Fisciano, SA 84084, Italy
| | - Katarzyna Ślipko
- Institute for Water Quality and Resource Management, Vienna University of Technology, Karlsplatz 13/226, Vienna 1040, Austria
| | - Norbert Kreuzinger
- Institute for Water Quality and Resource Management, Vienna University of Technology, Karlsplatz 13/226, Vienna 1040, Austria
| | - Nikolaos S Thomaidis
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 15771, Greece
| | - Valentina Ugolini
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Uppsala SE-75007, Sweden
| | - Ivone Vaz-Moreira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | | | - Despo Fatta-Kassinos
- Department of Civil and Environmental Engineering, School of Engineering, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus; Nireas-International Water Research Centre, University of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus
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20
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Lou B, Yang Z, Zheng S, Ou D, Hu W, Ai N. Characteristics, Performance and Microbial Response of Aerobic Granular Sludge for Treating Tetracycline Hypersaline Pharmaceutical Wastewater. Microorganisms 2024; 12:1173. [PMID: 38930555 PMCID: PMC11206034 DOI: 10.3390/microorganisms12061173] [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: 05/21/2024] [Revised: 06/04/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Salt-tolerant aerobic granular sludge(AGS) was successfully cultivated under the dual stress of tetracycline and 2.5% salinity, resulting in an average particle size of 435.0 ± 0.5 and exhibiting a chemical oxygen demand(COD) removal rate exceeding 80%, as well as excellent sedimentation performance. The analysis of metagenomics technology revealed a significant pattern of succession in the development of AGS. The proportion of Oleiagrimonas, a type of salt-tolerant bacteria, exhibited a gradual increase and reached 38.07% after 42 days, which indicated that an AGS system based on moderate halophilic bacteria was successfully constructed. The expression levels of targeted genes were found to be reduced across the entire AGS process and formation, as evidenced by qPCR analysis. The presence of int1 (7.67 log10 gene copies g-1 in 0 d sludge sample) enabled microbes to horizontally transfer ARGs genes along the AGS formation under the double pressure of TC and 2.5% salinity. These findings will enhance our understanding of ARG profiles and the development in AGS under tetracycline pressure, providing a foundation for guiding the use of AGS to treat hypersaline pharmaceutical wastewater.
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Affiliation(s)
- Bichen Lou
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
| | - Zhonghui Yang
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shengyan Zheng
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
| | - Dong Ou
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
| | - Wanpeng Hu
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
| | - Ning Ai
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China; (B.L.)
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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21
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Bobis Camacho J, Nilsson J, Larsson DGJ, Flach CF. Evaluation of culture conditions for sewage-based surveillance of antibiotic resistance in Klebsiella pneumoniae. J Glob Antimicrob Resist 2024; 37:122-128. [PMID: 38552871 DOI: 10.1016/j.jgar.2024.03.005] [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: 12/11/2023] [Revised: 01/24/2024] [Accepted: 03/09/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Recent studies have shown promise in predicting clinical antibiotic resistance rates from sewage data. Few have focused on Klebsiella pneumoniae, despite its virulence and importance as carrier of antibiotic resistance. Several media have been suggested for the isolation of K. pneumoniae from complex samples. However, comprehensive evaluations of culture protocols for isolation of K. pneumoniae from sewage are lacking. METHODS Here, influent samples from a major Swedish sewage treatment plant were used to evaluate ten culture conditions in parallel: cultivation on Brilliant green containing Inositol-Nitrate-Deoxycholate agar (BIND), Bruce agar, Klebsiella ChromoSelect Selective agar®, MacConkey-Inositol-Carbenicillin, or Simmons Citrate Agar with Inositol (SCAI) incubated at either 37°C or 42°C for 44 h. The culture conditions were compared based on colony counts of presumed K. pneumoniae and identification precision assessed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. RESULTS The sensitivity was lowest for BIND, whereas it was similar for the other media irrespective of incubation temperature. For four media, a better precision was observed after incubation at 42°C compared to 37°C, to a large extent explained by a lower frequency of captured Klebsiella oxytoca. SCAI incubated at 42°C showed the highest precision (84.4%). By combining this protocol with subsequent antibiotic resistance screening of collected isolates, low resistance rates in sewage K. pneumoniae were revealed, potentially reflecting the local resistance landscape. CONCLUSION When combined with downstream analyses, SCAI incubated at 42°C could be a valuable culture protocol for sewage-based studies on various aspects of K. pneumoniae epidemiology including antibiotic resistance prevalence.
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Affiliation(s)
- Julián Bobis Camacho
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Johanna Nilsson
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Dan Göran Joakim Larsson
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Carl-Fredrik Flach
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.
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22
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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 PMCID: PMC11328990 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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23
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Tiwari A, Lehto KM, Paspaliari DK, Al-Mustapha AI, Sarekoski A, Hokajärvi AM, Länsivaara A, Hyder R, Luomala O, Lipponen A, Oikarinen S, Heikinheimo A, Pitkänen T. Developing wastewater-based surveillance schemes for multiple pathogens: The WastPan project in Finland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171401. [PMID: 38467259 DOI: 10.1016/j.scitotenv.2024.171401] [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: 12/02/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/13/2024]
Abstract
Wastewater comprises multiple pathogens and offers a potential for wastewater-based surveillance (WBS) to track the prevalence of communicable diseases. The Finnish WastPan project aimed to establish wastewater-based pandemic preparedness for multiple pathogens (viruses, bacteria, parasites, fungi), including antimicrobial resistance (AMR). This article outlines WastPan's experiences in this project, including the criteria for target selection, sampling locations, frequency, analysis methods, and results communication. Target selection relied on epidemiological and microbiological evidence and practical feasibility. Within the WastPan framework, wastewater samples were collected between 2021 and 2023 from 10 wastewater treatment plants (WWTPs) covering 40 % of Finland's population. WWTP selection was validated for reported cases of Extended Spectrum Beta-lactamase-producing bacterial pathogens (Escherichia coli and Klebsiella pneumoniae) from the National Infectious Disease Register. The workflow included 24-h composite influent samples, with one fraction for culture-based analysis (bacteria and fungi) and the rest of the sample was reserved for molecular analysis (viruses, bacteria, antibiotic resistance genes, and parasites). The reproducibility of the monitoring workflow was assessed for SARS-CoV-2 through inter-laboratory comparisons using the N2 and N1 assays. Identical protocols were applied to same-day samples, yielding similar positivity trends in the two laboratories, but the N2 assay achieved a significantly higher detection rate (Laboratory 1: 91.5 %; Laboratory 2: 87.4 %) than the N1 assay (76.6 %) monitored only in Laboratory 2 (McNemar, p < 0.001 Lab 1, = 0.006 Lab 2). This result indicates that the selection of monitoring primers and assays may impact monitoring sensitivity in WBS. Overall, the current study recommends that the selection of sampling frequencies and population coverage of the monitoring should be based on pathogen-specific epidemiological characteristics. For example, pathogens that are stable over time may need less frequent annual sampling, while those that are occurring across regions may require reduced sample coverage. Here, WastPan successfully piloted WBS for monitoring multiple pathogens, highlighting the significance of one-litre community composite wastewater samples for assessing community health. The infrastructure established for COVID-19 WBS is valuable for monitoring various pathogens. The prioritization of the monitoring targets optimizes resource utilization. In the future legislative support in target selection, coverage determination, and sustained funding for WBS is recomended.
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Affiliation(s)
- Ananda Tiwari
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland.
| | - Kirsi-Maarit Lehto
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland.
| | - Dafni K Paspaliari
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland; ECDC Fellowship Programme, Public Health Microbiology path (EUPHEM), European Centre for Disease Prevention and Control (ECDC), Solna, Sweden
| | - Ahmad I Al-Mustapha
- University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland; Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Anniina Sarekoski
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland; University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland.
| | - Anna-Maria Hokajärvi
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland.
| | - Annika Länsivaara
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland.
| | - Rafiqul Hyder
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland.
| | - Oskari Luomala
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland.
| | - Anssi Lipponen
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland.
| | - Sami Oikarinen
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland.
| | - Annamari Heikinheimo
- University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland; Finnish Food Authority, Seinäjoki, Finland.
| | - Tarja Pitkänen
- Finnish Institute for Health and Welfare, Department of Health Security, Kuopio and Helsinki, Finland; University of Helsinki, Faculty of Veterinary Medicine, Helsinki, Finland.
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24
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Bijlsma L, Xu L, Gracia-Marín E, Pitarch E, Serrano R, Kasprzyk-Hordern B. Understanding associations between antimicrobial agents usage and antimicrobial resistance genes prevalence at the community level using wastewater-based epidemiology: A Spanish pilot study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171996. [PMID: 38547975 DOI: 10.1016/j.scitotenv.2024.171996] [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: 11/30/2023] [Revised: 01/25/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
Understanding the development and spread of antimicrobial resistance (AMR) is important for combating this global threat for public health. Wastewater-based epidemiology (WBE) is a complementary approach to current surveillance programs that minimizes some of the existing limitations. The aim of the present study is to explore WBE for monitoring antibiotics and antibiotic resistance genes (ARGs) in wastewater samples collected during 2021/2022 from the city of Castellon (Spain). Eighteen commonly prescribed antibiotics have been selected and measured by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS), with triple quadrupole mass analysers. Moreover, qPCR for specific ARGs has been performed to obtain information of these genes in co-presence with antibiotics. All selected ARGs, along with a total of 11 antibiotics, were identified. The highest population-normalized daily loads were observed for the macrolide azithromycin, followed by the quinolones ciprofloxacin and levofloxacin. Subsequently, daily consumption estimates based on wastewater data were compared with prescription data of antibiotics. Statistical analyses were conducted to explore if there is correlation between antibiotics and ARGs. While no correlations were found between antibiotics and their corresponding ARGs, certain correlations (p < 0.05) were identified among non-corresponding ARGs. In addition, a strong positive correlation was found between the sum of all antibiotics and the intl1 gene. Moreover, population-normalized ARG loads significantly correlate with the 16S rRNA-normalized ARG loads, serving as an indicator for population size. Results provide a baseline for future work and a proof-of-concept emphasising the need for future work and long-term surveillance, and highlight the need of similar programs at a regional and global levels worldwide.
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Affiliation(s)
- Lubertus Bijlsma
- Environmental and Public Health Analytical Chemistry, University Jaume I, E-12071 Castellón, Spain.
| | - Like Xu
- Department of Chemistry, University of Bath, Claverton Down BA27AY, United Kingdom
| | - Elisa Gracia-Marín
- Environmental and Public Health Analytical Chemistry, University Jaume I, E-12071 Castellón, Spain
| | - Elena Pitarch
- Environmental and Public Health Analytical Chemistry, University Jaume I, E-12071 Castellón, Spain
| | - Roque Serrano
- Environmental and Public Health Analytical Chemistry, University Jaume I, E-12071 Castellón, Spain
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25
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Franklin AM, Weller DL, Durso LM, Bagley M, Davis BC, Frye JG, Grim CJ, Ibekwe AM, Jahne MA, Keely SP, Kraft AL, McConn BR, Mitchell RM, Ottesen AR, Sharma M, Strain EA, Tadesse DA, Tate H, Wells JE, Williams CF, Cook KL, Kabera C, McDermott PF, Garland JL. A one health approach for monitoring antimicrobial resistance: developing a national freshwater pilot effort. FRONTIERS IN WATER 2024; 6:10.3389/frwa.2024.1359109. [PMID: 38855419 PMCID: PMC11157689 DOI: 10.3389/frwa.2024.1359109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Antimicrobial resistance (AMR) is a world-wide public health threat that is projected to lead to 10 million annual deaths globally by 2050. The AMR public health issue has led to the development of action plans to combat AMR, including improved antimicrobial stewardship, development of new antimicrobials, and advanced monitoring. The National Antimicrobial Resistance Monitoring System (NARMS) led by the United States (U.S) Food and Drug Administration along with the U.S. Centers for Disease Control and U.S. Department of Agriculture has monitored antimicrobial resistant bacteria in retail meats, humans, and food animals since the mid 1990's. NARMS is currently exploring an integrated One Health monitoring model recognizing that human, animal, plant, and environmental systems are linked to public health. Since 2020, the U.S. Environmental Protection Agency has led an interagency NARMS environmental working group (EWG) to implement a surface water AMR monitoring program (SWAM) at watershed and national scales. The NARMS EWG divided the development of the environmental monitoring effort into five areas: (i) defining objectives and questions, (ii) designing study/sampling design, (iii) selecting AMR indicators, (iv) establishing analytical methods, and (v) developing data management/analytics/metadata plans. For each of these areas, the consensus among the scientific community and literature was reviewed and carefully considered prior to the development of this environmental monitoring program. The data produced from the SWAM effort will help develop robust surface water monitoring programs with the goal of assessing public health risks associated with AMR pathogens in surface water (e.g., recreational water exposures), provide a comprehensive picture of how resistant strains are related spatially and temporally within a watershed, and help assess how anthropogenic drivers and intervention strategies impact the transmission of AMR within human, animal, and environmental systems.
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Affiliation(s)
- Alison M. Franklin
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
| | - Daniel L. Weller
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Lisa M. Durso
- U.S. Department of Agriculture, Agricultural Research Service (USDA, ARS), Agroecosystem Management Research, Lincoln, NE, United States
| | - Mark Bagley
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
| | - Benjamin C. Davis
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
| | - Jonathan G. Frye
- USDA ARS, U.S. National Poultry Research Center, Poultry Microbiological Safety and Processing Research Unit, Athens, GA, United States
| | - Christopher J. Grim
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, United States
| | - Abasiofiok M. Ibekwe
- USDA, ARS, Agricultural Water Efficiency and Salinity Research Unit, Riverside, CA, United States
| | - Michael A. Jahne
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
| | - Scott P. Keely
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
| | - Autumn L. Kraft
- Oak Ridge Institute for Science and Education, USDA, ARS, Beltsville, MD, United States
| | - Betty R. McConn
- Oak Ridge Institute for Science and Education, USDA, ARS, Beltsville, MD, United States
| | - Richard M. Mitchell
- Environmental Protection Agency, Office of Water, Washington, DC, United States
| | - Andrea R. Ottesen
- Center for Veterinary Medicine, National Antimicrobial Resistance Monitoring System (NARMS), U.S. Food and Drug Administration, Laurel, MD, United States
| | - Manan Sharma
- USDA, ARS Environmental Microbial and Food Safety Laboratory, Beltsville, MD, United States
| | - Errol A. Strain
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, United States
| | - Daniel A. Tadesse
- Center for Veterinary Medicine, National Antimicrobial Resistance Monitoring System (NARMS), U.S. Food and Drug Administration, Laurel, MD, United States
| | - Heather Tate
- Center for Veterinary Medicine, National Antimicrobial Resistance Monitoring System (NARMS), U.S. Food and Drug Administration, Laurel, MD, United States
| | - Jim E. Wells
- USDA, ARS, U.S. Meat Animal Research Center, Meat Safety and Quality, Clay Center, NE, United States
| | - Clinton F. Williams
- USDA, ARS, US Arid-Land Agricultural Research Center, Maricopa, AZ, United States
| | - Kim L. Cook
- USDA, ARS Nutrition, Food Safety and Quality National Program Staff, Beltsville, MD, United States
| | - Claudine Kabera
- Center for Veterinary Medicine, National Antimicrobial Resistance Monitoring System (NARMS), U.S. Food and Drug Administration, Laurel, MD, United States
| | - Patrick F. McDermott
- Center for Veterinary Medicine, National Antimicrobial Resistance Monitoring System (NARMS), U.S. Food and Drug Administration, Laurel, MD, United States
| | - Jay L. Garland
- United States (U.S.) Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States
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Henriot P, Buelow E, Petit F, Ploy MC, Dagot C, Opatowski L. Modeling the impact of urban and hospital eco-exposomes on antibiotic-resistance dynamics in wastewaters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171643. [PMID: 38471588 DOI: 10.1016/j.scitotenv.2024.171643] [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: 04/21/2023] [Revised: 01/10/2024] [Accepted: 03/09/2024] [Indexed: 03/14/2024]
Abstract
The emergence and selection of antibiotic resistance is a major public health problem worldwide. The presence of antibiotic-resistant bacteria (ARBs) in natural and anthropogenic environments threatens the sustainability of efforts to reduce resistance in human and animal populations. Here, we use mathematical modeling of the selective effect of antibiotics and contaminants on the dynamics of bacterial resistance in water to analyze longitudinal spatio-temporal data collected in hospital and urban wastewater between 2012 and 2015. Samples were collected monthly during the study period at four different sites in Haute-Savoie, France: hospital and urban wastewater, before and after water treatment plants. Three different categories of exposure variables were collected simultaneously: 1) heavy metals, 2) antibiotics and 3) surfactants for a total of 13 drugs/molecules; in parallel to the normalized abundance of 88 individual genes and mobile genetic elements, mostly conferring resistance to antibiotics. A simple hypothesis-driven model describing weekly antibiotic resistance gene (ARG) dynamics was proposed to fit the available data, assuming that normalized gene abundance is proportional to antibiotic resistant bacteria (ARB) populations in water. The detected compounds were found to influence the dynamics of 17 genes found at multiple sites. While mercury and vancomycin were associated with increased ARG and affected the dynamics of 10 and 12 identified genes respectively, surfactants antagonistically affected the dynamics of three genes. The models proposed here make it possible to analyze the relationship between the persistence of resistance genes in the aquatic environment and specific compounds associated with human activities from longitudinal data. Our analysis of French data over 2012-2015 identified mercury and vancomycin as co-selectors for some ARGs.
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Affiliation(s)
- Paul Henriot
- Epidemiology and Modeling of bacterial Evasion to Antibacterials Unit (EMEA), Institut Paris, France; MESuRS Laboratory, Conservatoire National des Arts et Métiers Paris, France; Université Paris-Saclay, UVSQ, Inserm, CESP, Anti-Infective Evasion and Pharmacoepidemiology Team, Montigny-le-Bretonneux, France.
| | - Elena Buelow
- Université Limoges, INSERM, CHU Limoges, RESINFIT, U1092 Limoges, France; Univ. Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, TIMC, 38000 Grenoble, France
| | - Fabienne Petit
- UNIROUEN, UNICAEN, CNRS, M2C, Normandie Université, Rouen, France; Sorbonne Université, CNRS, EPHE, PSL, UMR METIS, Paris, France
| | - Marie-Cécile Ploy
- Université Limoges, INSERM, CHU Limoges, RESINFIT, U1092 Limoges, France
| | - Christophe Dagot
- Université Limoges, INSERM, CHU Limoges, RESINFIT, U1092 Limoges, France
| | - Lulla Opatowski
- Epidemiology and Modeling of bacterial Evasion to Antibacterials Unit (EMEA), Institut Paris, France; Université Paris-Saclay, UVSQ, Inserm, CESP, Anti-Infective Evasion and Pharmacoepidemiology Team, Montigny-le-Bretonneux, France
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Rios-Soto L, Hernández-Campos A, Tovar-Escobar D, Castillo R, Sierra-Campos E, Valdez-Solana M, Téllez-Valencia A, Avitia-Domínguez C. Inhibition of Shikimate Kinase from Methicillin-Resistant Staphylococcus aureus by Benzimidazole Derivatives. Kinetic, Computational, Toxicological, and Biological Activity Studies. Int J Mol Sci 2024; 25:5077. [PMID: 38791117 PMCID: PMC11121535 DOI: 10.3390/ijms25105077] [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: 03/15/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
Antimicrobial resistance (AMR) is one of the biggest threats in modern times. It was estimated that in 2019, 1.27 million deaths occurred around the globe due to AMR. Methicillin-resistant Staphylococcus aureus (MRSA) strains, a pathogen considered of high priority by the World Health Organization, have proven to be resistant to most of the actual antimicrobial treatments. Therefore, new treatments are required to be able to manage this increasing threat. Under this perspective, an important metabolic pathway for MRSA survival, and absent in mammals, is the shikimate pathway, which is involved in the biosynthesis of chorismate, an intermediate for the synthesis of aromatic amino acids, folates, and ubiquinone. Therefore, the enzymes of this route have been considered good targets to design novel antibiotics. The fifth step of the route is performed by shikimate kinase (SK). In this study, an in-house chemical library of 170 benzimidazole derivatives was screened against MRSA shikimate kinase (SaSK). This effort led to the identification of the first SaSK inhibitors, and the two inhibitors with the greatest inhibition activity (C1 and C2) were characterized. Kinetic studies showed that both compounds were competitive inhibitors with respect to ATP and non-competitive for shikimate. Structural analysis through molecular docking and molecular dynamics simulations indicated that both inhibitors interacted with ARG113, an important residue involved in ATP binding, and formed stable complexes during the simulation period. Biological activity evaluation showed that both compounds were able to inhibit the growth of a MRSA strain. Mitochondrial assays showed that both compounds modify the activity of electron transport chain complexes. Finally, ADMETox predictions suggested that, in general, C1 and C2 can be considered as potential drug candidates. Therefore, the benzimidazole derivatives reported here are the first SaSK inhibitors, representing a promising scaffold and a guide to design new drugs against MRSA.
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Affiliation(s)
- Lluvia Rios-Soto
- Facultad de Medicina y Nutrición, Universidad Juárez del Estado de Durango, Av. Universidad y Fanny, Anitúa S/N, Durango 34000, Mexico;
| | - Alicia Hernández-Campos
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, México City 04510, Mexico; (A.H.-C.); (D.T.-E.); (R.C.)
| | - David Tovar-Escobar
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, México City 04510, Mexico; (A.H.-C.); (D.T.-E.); (R.C.)
| | - Rafael Castillo
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, México City 04510, Mexico; (A.H.-C.); (D.T.-E.); (R.C.)
| | - Erick Sierra-Campos
- Facultad de Ciencias Químicas, Universidad Juárez del Estado de Durango, Av. Artículo 123 S/N Fracc. Filadelfia, Gómez Palacio 35010, Mexico; (E.S.-C.); (M.V.-S.)
| | - Mónica Valdez-Solana
- Facultad de Ciencias Químicas, Universidad Juárez del Estado de Durango, Av. Artículo 123 S/N Fracc. Filadelfia, Gómez Palacio 35010, Mexico; (E.S.-C.); (M.V.-S.)
| | - Alfredo Téllez-Valencia
- Facultad de Medicina y Nutrición, Universidad Juárez del Estado de Durango, Av. Universidad y Fanny, Anitúa S/N, Durango 34000, Mexico;
| | - Claudia Avitia-Domínguez
- Facultad de Medicina y Nutrición, Universidad Juárez del Estado de Durango, Av. Universidad y Fanny, Anitúa S/N, Durango 34000, Mexico;
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Zhang Y, Hu Y, Li X, Gao L, Wang S, Jia S, Shi P, Li A. Prevalence of antibiotics, antibiotic resistance genes, and their associations in municipal wastewater treatment plants along the Yangtze River basin, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 348:123800. [PMID: 38518970 DOI: 10.1016/j.envpol.2024.123800] [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: 11/26/2023] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 03/24/2024]
Abstract
The overuse and misuse of antibiotics have resulted in the pollution of antibiotics and antibiotic resistance genes (ARGs) in municipal wastewater treatment plants (WWTPs), posing threats to ecological security and human health. Thus, a comprehensive investigation was conducted to assess the occurrence, removal efficiency, and ecological risk of antibiotics, along with the diversity, abundance, and co-occurrence of ARGs, and their correlations in 13 WWTPs along the Yangtze River Basin. Among 35 target antibiotics, 23 antibiotics within 6 categories were detected in all the samples. Amoxicillin (AMO), ofloxacin (OFL), and pefloxacin (PEF) were predominant in influents, while AMO exhibited dominance with the highest concentration of 1409 ng/L in effluents. Although antibiotic removal performance varied among different WWTPs, a significant decrease in each antibiotic category and overall antibiotics was observed in effluents compared with that in influents (p < 0.05). Remarkably, ecological risk assessment revealed high risks associated with AMO and ciprofloxacin (CIP) and medium risks linked to several antibiotics, notably including OFL, roxithromycin (ROX), clarithromycin (CLA), and tetracycline (TC). Furthermore, 96 ARG subtypes within 12 resistance types were detected in this study, and the total absolute abundance and diversity of ARGs were significantly decreased from influents to effluents (p < 0.05). Enrichment of 38 ARGs (e.g., blaNDM, ermA, vatA, mexA, and dfrA25) in effluents indicated potential health risks. Various mobile genetic elements (MGEs), exhibited significant correlations with a majority of ARGs in both influents and effluents, such as intⅠ1, tnpA1, tnpA5, and tp614, underscoring the important role of MGEs in contributing to the ARG dissemination. Many antibiotics displayed lower correlations with corresponding ARGs, but exhibited higher correlations with other ARGs, suggesting complex selective pressures influencing ARG propagation. Overall, the incomplete elimination of antibiotics and ARGs in WWTPs is likely to pose adverse impacts on aquatic ecosystems in the Yangtze River Basin.
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Affiliation(s)
- Yangyang Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Yifan Hu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Xiuwen Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Linjun Gao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shuya Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shuyu Jia
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Peng Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
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29
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Xiao J, Guo S, Wang D, An Q. Fenton-Like Reaction: Recent Advances and New Trends. Chemistry 2024; 30:e202304337. [PMID: 38373023 DOI: 10.1002/chem.202304337] [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: 12/27/2023] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 02/20/2024]
Abstract
The Fenton reaction refers to the reaction in which ferrous ions (Fe2+) produce hydroxyl radicals and other reactive oxidizing substances by decomposing hydrogen peroxide (H2O2). This paper reviews the mechanism, application system, and materials employed in the Fenton reaction including conventional homogeneous and non-homogeneous Fenton reactions as well as photo-, electrically-, ultrasonically-, and piezoelectrically-triggered Fenton reactions, and summarizes the applications in the degradation of soil oil pollutions, landfill leachate, textile wastewater, and antibiotics from a practical point of view. The mineralization paths of typical pollutant are elucidated with relevant case studies. The paper concludes with a summary and outlook of the further development of Fenton-like reactions.
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Affiliation(s)
- Jiaying Xiao
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing), 100083, China
| | - Sufang Guo
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing), 100083, China
| | - Dong Wang
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd
| | - Qi An
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing), 100083, China
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30
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Mao X, Zhang M, Wang M, Lei H, Dong C, Shen R, Zhang H, Chen C, Hu J, Wu G. Highly efficient catalytic Fenton-Like reactions of bimetallic Fe/Cu chelated on radiation functionalized nonwoven fabric for pollutant control. JOURNAL OF HAZARDOUS MATERIALS 2024; 467:133752. [PMID: 38350320 DOI: 10.1016/j.jhazmat.2024.133752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/26/2023] [Accepted: 02/06/2024] [Indexed: 02/15/2024]
Abstract
A remarkably efficient and affordable Fe/Cu bimetallic catalyst featuring a substantial light energy utilization and compatibility with a sizable substrate was developed for Fenton-like reactions aimed at pollutant control. Specifically, a novel strategy was employed to synthesize high-density metal sites (Fe:Cu ≈ 3:1) robustly embedded on polyethylene/polyethylene terephthalate nonwoven fabric (PE/PET NWF) via radiation-induced graft polymerization (RIGP) and subsequent chemical modification, labeled as Fe/Cu-PPAO. Its high effectiveness was demonstrated by degrading 50 mg/L of tetracycline hydrochloride within 30 min in the presence of H2O2 under simulate sunlight irradiation. It was investigated that amidoxime groups regulated the optical gaps and HOMO-LUMO gaps of metal ions to enable the absorption of a broader spectrum light while the Cu2+ facilitated the transfer of electrons between the bimetal ions to achieve an improved reaction path. Furthermore, X-ray absorption fine structure (XAFS) and density functional theory (DFT) calculations further revealed its special complex state and delicate electronic structure between bimetal ions and amidoxime groups. Our study offers a new strategy to synthesize high-density bimetallic sites catalyst for environmental remediation and pushes forward insight into understanding the catalytic mechanism of bimetallic Fenton-like catalysts.
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Affiliation(s)
- Xuanzhi Mao
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Maojiang Zhang
- College of Materials and Environmental Engineering, Chizhou University, Chizhou, Anhui 247000, PR China
| | - Minglei Wang
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China; Institute of Environmental Engineering, ETH Zürich, Zürich 8093, Switzerland.
| | - Heng Lei
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China; School of Physical Science and Technology, Shanghai Tech University, Shanghai 200031, PR China
| | - Chunlei Dong
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China; College of Materials and Environmental Engineering, Chizhou University, Chizhou, Anhui 247000, PR China
| | - Rongfang Shen
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China
| | - Hao Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, RP China
| | - Chaorong Chen
- Department of Environment, College of Environment and Resources, Xiangtan University, Xiangtan 411105, PR China
| | - Jiangtao Hu
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China.
| | - Guozhong Wu
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jialuo Road, Jiading District, Shanghai 201800, PR China; School of Physical Science and Technology, Shanghai Tech University, Shanghai 200031, PR China.
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31
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Daw Elbait G, Daou M, Abuoudah M, Elmekawy A, Hasan SW, Everett DB, Alsafar H, Henschel A, Yousef AF. Comparison of qPCR and metagenomic sequencing methods for quantifying antibiotic resistance genes in wastewater. PLoS One 2024; 19:e0298325. [PMID: 38578803 PMCID: PMC10997137 DOI: 10.1371/journal.pone.0298325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 01/18/2024] [Indexed: 04/07/2024] Open
Abstract
Surveillance methods of circulating antibiotic resistance genes (ARGs) are of utmost importance in order to tackle what has been described as one of the greatest threats to humanity in the 21st century. In order to be effective, these methods have to be accurate, quickly deployable, and scalable. In this study, we compare metagenomic shotgun sequencing (TruSeq DNA sequencing) of wastewater samples with a state-of-the-art PCR-based method (Resistomap HT-qPCR) on four wastewater samples that were taken from hospital, industrial, urban and rural areas. ARGs that confer resistance to 11 antibiotic classes have been identified in these wastewater samples using both methods, with the most abundant observed classes of ARGs conferring resistance to aminoglycoside, multidrug-resistance (MDR), macrolide-lincosamide-streptogramin B (MLSB), tetracycline and beta-lactams. In comparing the methods, we observed a strong correlation of relative abundance of ARGs obtained by the two tested methods for the majority of antibiotic classes. Finally, we investigated the source of discrepancies in the results obtained by the two methods. This analysis revealed that false negatives were more likely to occur in qPCR due to mutated primer target sites, whereas ARGs with incomplete or low coverage were not detected by the sequencing method due to the parameters set in the bioinformatics pipeline. Indeed, despite the good correlation between the methods, each has its advantages and disadvantages which are also discussed here. By using both methods together, a more robust ARG surveillance program can be established. Overall, the work described here can aid wastewater treatment plants that plan on implementing an ARG surveillance program.
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Affiliation(s)
- Gihan Daw Elbait
- Department of Biological Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Mariane Daou
- Department of Biological Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Miral Abuoudah
- Department of Biological Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Ahmed Elmekawy
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Shadi W. Hasan
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Department of Chemical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Dean B. Everett
- Department of Pathology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Center for Biotechnology (BTC), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Infection Research Unit, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Habiba Alsafar
- Center for Biotechnology (BTC), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Emirates Bio-research Center, Ministry of Interior, Abu Dhabi, United Arab Emirates
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Andreas Henschel
- Department of Electrical Engineering and Computer Science, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Ahmed F. Yousef
- Department of Biological Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Center for Biotechnology (BTC), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
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32
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Tiwari A, Krolicka A, Tran TT, Räisänen K, Ásmundsdóttir ÁM, Wikmark OG, Lood R, Pitkänen T. Antibiotic resistance monitoring in wastewater in the Nordic countries: A systematic review. ENVIRONMENTAL RESEARCH 2024; 246:118052. [PMID: 38163547 DOI: 10.1016/j.envres.2023.118052] [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: 10/20/2023] [Revised: 12/23/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
The Nordic countries (Denmark, Finland, Iceland, Norway, and Sweden) have effectively kept lower antibiotic-resistant bacterial (ARB) pathogen rates than many other countries. However, in recent years, these five countries have encountered a rise in ARB cases and challenges in treating infections due to the growing prevalence of ARB pathogens. Wastewater-based surveillance (WBS) is a valuable supplement to clinical methods for ARB surveillance, but there is a lack of comprehensive understanding of WBS application for ARB in the Nordic countries. This review aims to compile the latest state-of-the-art developments in WBS for ARB monitoring in the Nordic countries and compare them with clinical surveillance practices. After reviewing 1480 papers from the primary search, 54 were found relevant, and 15 additional WBS-related papers were included. Among 69 studies analyzed, 42 dedicated clinical epidemiology, while 27 focused on wastewater monitoring. The PRISMA review of the literature revealed that Nordic countries focus on four major WBS objectives of ARB: assessing ARB in the human population, identifying ARB evading wastewater treatment, quantifying removal rates, and evaluating potential ARB evolution during the treatment process. In both clinical and wastewater contexts, the most studied targets were pathogens producing carbapenemase and extended-spectrum beta-lactamase (ESBL), primarily Escherichia coli and Klebsiella spp. However, vancomycin-resistant Enterococcus (VRE) and methicillin-resistant Staphylococcus aureus (MRSA) have received more attention in clinical epidemiology than in wastewater studies, probably due to their lower detection rates in wastewater. Clinical surveillance has mostly used culturing, antibiotic susceptibility testing, and genotyping, but WBS employed PCR-based and metagenomics alongside culture-based techniques. Imported cases resulting from international travel and hospitalization abroad appear to have frequently contributed to the rise in ARB pathogen cases in these countries. The many similarities between the Nordic countries (e.g., knowledge exchange practices, antibiotic usage patterns, and the current ARB landscape) could facilitate collaborative efforts in developing and implementing WBS for ARB in population-level screening.
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Affiliation(s)
- Ananda Tiwari
- Expert Microbiology Unit, Finnish Institute for Health and Welfare, 70701, Kuopio, Finland.
| | - Adriana Krolicka
- Norwegian Research Centre AS (NORCE), Nygårdstangen, 5838, Bergen, Norway
| | - Tam T Tran
- Norwegian Research Centre AS (NORCE), Nygårdstangen, 5838, Bergen, Norway
| | - Kati Räisänen
- Expert Microbiology Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
| | | | - Odd-Gunnar Wikmark
- Norwegian Research Centre AS (NORCE), Nygårdstangen, 5838, Bergen, Norway; Unit for Environmental Science and Management, North West University, Potchefstroom Campus, Private Bag X6001, Potchefstroom 2520, South Africa
| | - Rolf Lood
- Department of Clinical Sciences Lund, Division of Infection Medicine, Faculty of Medicine, Lund University, Lund, Sweden
| | - Tarja Pitkänen
- Expert Microbiology Unit, Finnish Institute for Health and Welfare, 70701, Kuopio, Finland; Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Finland.
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Arnal C, Belhadj-Kaabi F, Ingrand V. [Which contribution of wastewater treatment plants in the fight against antimicrobial resistance?]. C R Biol 2024; 346:23-33. [PMID: 37655905 DOI: 10.5802/crbiol.113] [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: 01/24/2023] [Accepted: 02/21/2023] [Indexed: 09/02/2023]
Abstract
Due to the massive use of antibiotics, antimicrobial resistance (AMR) continues to spread, endangering global disease control and environmental quality. The sources of bacteria or antimicrobial resistance genes are linked to human activities: urban, hospital and industrial discharges, livestock farms). The role of sanitation systems-sewerage, wastewater treatment and sludge treatment (WWTP)-in the problem of AMR has not yet been clearly established by the scientific community. The data available to date show that they eliminate part of the bacteria, genes and antibiotics, although this is not their primary vocation. WWTPs thus play an important filtering role to limit dissemination in the environment. On the other hand, some authors warn against their potential involvement in the selection of new resistant germs, given the conditions conducive to the exchange of genetic material between microbial strains of various types and exposed to selective agents. Today, knowledge of the mechanisms involved in the selection of antibiotic resistance and the fate of bacteria and resistance genes within sanitation systems remains limited. Research is needed to better characterize the contribution of wastewater systems and the performance of wastewater, recycled water, stormwater and sludge treatment processes.
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Velazquez-Meza ME, Galarde-López M, Cornejo-Juárez P, Carrillo-Quiroz BA, Velázquez-Acosta C, Bobadilla-del-Valle M, Ponce-de-León A, Alpuche-Aranda CM. Multidrug-Resistant Staphylococcus sp. and Enterococcus sp. in Municipal and Hospital Wastewater: A Longitudinal Study. Microorganisms 2024; 12:645. [PMID: 38674590 PMCID: PMC11051902 DOI: 10.3390/microorganisms12040645] [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: 02/26/2024] [Revised: 03/12/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
The objective of the study was to detect multidrug-resistant Staphylococcus sp. and Enterococcus sp. isolates in municipal and hospital wastewater and to determine their elimination or persistence after wastewater treatment. Between August 2021 and September 2022, raw and treated wastewater samples were collected at two hospital and two community wastewater treatment plants (WWTPs). In each season of the year, two treated and two raw wastewater samples were collected in duplicate at each of the WWTPs studied. Screening and presumptive identification of staphylococci and enterococci was performed using chromoagars, and identification was performed with the Matrix Assisted Laser Desorption Ionization Time of Flight mass spectrometry (MALDI-TOF MS®). Antimicrobial susceptibility was performed using VITEK 2® automated system. There were 56 wastewater samples obtained during the study period. A total of 182 Staphylococcus sp. and 248 Enterococcus sp. were identified. The highest frequency of Staphylococcus sp. isolation was in spring and summer (n = 129, 70.8%), and for Enterococcus sp. it was in autumn and winter (n = 143, 57.7%). Sixteen isolates of Staphylococcus sp. and sixty-three of Enterococcus sp. persisted during WWTP treatments. Thirteen species of staphylococci and seven species of enterococci were identified. Thirty-one isolates of Staphylococcus sp. and ninety-four of Enterococcus sp. were multidrug-resistant. Resistance to vancomycin (1.1%), linezolid (2.7%), and daptomycin (8.2%/10.9%%), and a lower susceptibility to tigecycline (2.7%), was observed. This study evidences the presence of Staphylococcus sp. and Enterococcus sp. resistant to antibiotics of last choice of clinical treatment, in community and hospital wastewater and their ability to survive WWTP treatment systems.
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Affiliation(s)
- Maria Elena Velazquez-Meza
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca City 62100, Mexico; (M.E.V.-M.); (M.G.-L.); (B.A.C.-Q.)
| | - Miguel Galarde-López
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca City 62100, Mexico; (M.E.V.-M.); (M.G.-L.); (B.A.C.-Q.)
| | - Patricia Cornejo-Juárez
- Departamento de Infectología, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (P.C.-J.); (C.V.-A.)
| | - Berta Alicia Carrillo-Quiroz
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca City 62100, Mexico; (M.E.V.-M.); (M.G.-L.); (B.A.C.-Q.)
| | - Consuelo Velázquez-Acosta
- Departamento de Infectología, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (P.C.-J.); (C.V.-A.)
| | - Miriam Bobadilla-del-Valle
- Laboratorio Nacional de Máxima Seguridad para el Estudio de Tuberculosis y Enfermedades Emergentes, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Mexico City 14080, Mexico; (M.B.-d.-V.); (A.P.-d.-L.)
| | - Alfredo Ponce-de-León
- Laboratorio Nacional de Máxima Seguridad para el Estudio de Tuberculosis y Enfermedades Emergentes, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Mexico City 14080, Mexico; (M.B.-d.-V.); (A.P.-d.-L.)
| | - Celia Mercedes Alpuche-Aranda
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca City 62100, Mexico; (M.E.V.-M.); (M.G.-L.); (B.A.C.-Q.)
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Schachner-Groehs I, Koller M, Leopold M, Kolm C, Linke RB, Jakwerth S, Kolarević S, Kračun-Kolarević M, Kandler W, Sulyok M, Vierheilig J, Toumi M, Farkas R, Toth E, Kittinger C, Zarfel G, Farnleitner AH, Kirschner AKT. Linking antibiotic resistance gene patterns with advanced faecal pollution assessment and environmental key parameters along 2300 km of the Danube River. WATER RESEARCH 2024; 252:121244. [PMID: 38340455 DOI: 10.1016/j.watres.2024.121244] [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: 11/17/2023] [Revised: 01/19/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
The global spread of antimicrobial resistance (AMR) in the environment is a growing health threat. Large rivers are of particular concern as they are highly impacted by wastewater discharge while being vital lifelines serving various human needs. A comprehensive understanding of occurrence, spread and key drivers of AMR along whole river courses is largely lacking. We provide a holistic approach by studying spatiotemporal patterns and hotspots of antibiotic resistance genes (ARGs) along 2311 km of the navigable Danube River, combining a longitudinal and temporal monitoring campaign. The integration of advanced faecal pollution diagnostics and environmental and chemical key parameters allowed linking ARG concentrations to the major pollution sources and explaining the observed patterns. Nine AMR markers, including genes conferring resistance to five different antibiotic classes of clinical and environmental relevance, and one integrase gene were determined by probe-based qPCR. All AMR targets could be quantified in Danube River water, with intI1 and sul1 being ubiquitously abundant, qnrS, tetM, blaTEM with intermediate abundance and blaOXA-48like, blaCTX-M-1 group, blaCTX-M-9 group and blaKPC genes with rare occurrence. Human faecal pollution from municipal wastewater discharges was the dominant factor shaping ARG patterns along the Danube River. Other significant correlations of specific ARGs were observed with discharge, certain metals and pesticides. In contrast, intI1 was not associated with wastewater but was already established in the water microbiome. Animal contamination was detected only sporadically and was correlated with ARGs only in the temporal sampling set. During temporal monitoring, an extraordinary hotspot was identified emphasizing the variability within natural waters. This study provides the first comprehensive baseline concentrations of ARGs in the Danube River and lays the foundation for monitoring future trends and evaluating potential reduction measures. The applided holistic approach proved to be a valuable methodological contribution towards a better understanding of the environmental occurrence of AMR.
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Affiliation(s)
- Iris Schachner-Groehs
- Institute of Hygiene and Applied Immunology - Water Microbiology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Kinderspitalgasse 15, Vienna 1090, Austria
| | - Michael Koller
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Melanie Leopold
- Division Water Quality and Health, Department Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, Krems an der Donau 3500, Austria
| | - Claudia Kolm
- Division Water Quality and Health, Department Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, Krems an der Donau 3500, Austria; Institute of Chemical, Environmental and Bioscience Engineering, Research Group Microbiology and Molecular Diagnostics, Technische Universität Wien, Gumpendorfer Straße 1A/166, Vienna 1060, Austria
| | - Rita B Linke
- Institute of Chemical, Environmental and Bioscience Engineering, Research Group Microbiology and Molecular Diagnostics, Technische Universität Wien, Gumpendorfer Straße 1A/166, Vienna 1060, Austria
| | - Stefan Jakwerth
- Institute of Hygiene and Applied Immunology - Water Microbiology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Kinderspitalgasse 15, Vienna 1090, Austria
| | - Stoimir Kolarević
- Department of Hydroecology and Water Protection, Institute for Biological Research ¨Siniša Stanković¨, National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, Belgrade 11060, Serbia
| | - Margareta Kračun-Kolarević
- Department of Hydroecology and Water Protection, Institute for Biological Research ¨Siniša Stanković¨, National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, Belgrade 11060, Serbia
| | - Wolfgang Kandler
- Department of Agrotechnology (IFA-Tulln), Institute of Bioanalytics and Agro-Metabolomics, University of Natural Resources and Life Sciences, Konrad-Lorenz-Straße 20, Tulln an der Donau 3430, Austria
| | - Michael Sulyok
- Department of Agrotechnology (IFA-Tulln), Institute of Bioanalytics and Agro-Metabolomics, University of Natural Resources and Life Sciences, Konrad-Lorenz-Straße 20, Tulln an der Donau 3430, Austria
| | - Julia Vierheilig
- Institute of Water Quality and Resource Management, Technische Universität Wien, Karlsplatz 13/226-1, Wien 1040, Austria
| | - Marwene Toumi
- Department of Microbiology, Eötvös Loránd University, Pázmány Péter sétány 1/C., H-1117, Budapest, Hungary
| | - Rózsa Farkas
- Department of Microbiology, Eötvös Loránd University, Pázmány Péter sétány 1/C., H-1117, Budapest, Hungary
| | - Erika Toth
- Department of Microbiology, Eötvös Loránd University, Pázmány Péter sétány 1/C., H-1117, Budapest, Hungary
| | - Clemens Kittinger
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Gernot Zarfel
- Institute of Hygiene, Microbiology and Environmental Medicine, Medical University Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Andreas H Farnleitner
- Division Water Quality and Health, Department Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, Krems an der Donau 3500, Austria; Institute of Chemical, Environmental and Bioscience Engineering, Research Group Microbiology and Molecular Diagnostics, Technische Universität Wien, Gumpendorfer Straße 1A/166, Vienna 1060, Austria.
| | - A K T Kirschner
- Institute of Hygiene and Applied Immunology - Water Microbiology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Kinderspitalgasse 15, Vienna 1090, Austria; Division Water Quality and Health, Department Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, Krems an der Donau 3500, Austria.
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Peng J, Pan Y, Zhou Y, Lei X, Guo Y, Lei Y, Kong Q, Cheng S, Yang X. Mechanistic Aspects of Photodegradation of Deoxynucleosides Induced by Triplet State of Effluent Organic Matter. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:4751-4760. [PMID: 38324714 DOI: 10.1021/acs.est.3c08782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Excited triplet states of wastewater effluent organic matter (3EfOM*) are known as important photo-oxidants in the degradation of extracellular antibiotic resistance genes (eArGs) in sunlit waters. In this work, we further found that 3EfOM* showed highly selective reactivity toward 2'-deoxyguanosine (dG) sites within eArGs in irradiated EfOM solutions at pH 7.0, while it showed no photosensitizing capacity toward 2'-deoxyadenosine, 2'-deoxythymidine, and 2'-deoxycytidine (the basic structures of eArGs). The 3EfOM* contributed to the photooxidation of dG primarily via one-electron transfer mechanism, with second-order reaction rate constants of (1.58-1.74) × 108 M-1 s-1, forming the oxidation intermediates of dG (dG(-H)•). The formed dG(-H)• could play a significant role in hole hopping and damage throughout eArGs. Using the four deoxynucleosides as probes, the upper limit for the reduction potential of 3EfOM* is estimated to be between 1.47 and 1.94 VNHE. Compared to EfOM, the role of the triplet state of terrestrially natural organic matter (3NOM*) in dG photooxidation was minor (∼15%) mainly due to the rapid reverse reactions of dG(-H)• by the antioxidant moieties of NOM. This study advances our understanding of the difference in the photosensitizing capacity and electron donating capacity between NOM and EfOM and the photodegradation mechanism of eArGs induced by 3EfOM*.
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Affiliation(s)
- Jianglin Peng
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yanheng Pan
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Civil and Environmental Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Yangjian Zhou
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Xin Lei
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, P. R. China
| | - Yifan Guo
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yu Lei
- Key Laboratory of Photochemistry, Institute of Chemistry Chinese Academy of Sciences, Beijing National Laboratory for Molecular Sciences, Beijing 100190, P. R. China
| | - Qingqing Kong
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Shuangshuang Cheng
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Xin Yang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, P. R. China
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Liu K, Gan C, Peng Y, Gan Y, He J, Du Y, Tong L, Shi J, Wang Y. Occurrence and source identification of antibiotics and antibiotic resistance genes in groundwater surrounding urban hospitals. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133368. [PMID: 38163408 DOI: 10.1016/j.jhazmat.2023.133368] [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: 08/09/2023] [Revised: 12/06/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
Urban groundwater, serving as a critical reservoir for potable water, faces susceptibility to contamination from discrete sources such as hospital wastewater. This study investigates the distribution and plausible origins of antibiotics and antibiotic resistance genes (ARGs) in urban groundwater, drawing comparisons between areas proximal to hospitals and non-hospital areas. Ofloxacin and oxytetracycline emerged as the prevalent antibiotics across all samples, with a discernibly richer array of antibiotic types observed in groundwater sourced from hospital-adjacent regions. Employing a suite of multi-indicator tracers encompassing indicator drugs, Enterococci, ammonia, and Cl/Br mass ratio, discernible pollution from hospital or domestic sewage leakage was identified in specific wells, correlating with an escalating trajectory in antibiotic contamination. Redundancy analysis underscored temperature and dissolved organic carbon as principal environmental factors influencing antibiotics distribution in groundwater. Network analysis elucidated the facilitating role of mobile genetic elements, such as int1 and tnpA-02 in propagating ARGs. Furthermore, ARGs abundance exhibited positive correlations with temperature, pH and metallic constituents (e.g., Cu, Pb, Mn and Fe) (p < 0.05). Notably, no conspicuous correlation manifested between antibiotics and ARGs. These findings accentuate the imperative of recognizing the peril posed by antibiotic contamination in groundwater proximal to hospitals and advocate for the formulation of robust prevention and control strategies to mitigate the dissemination of antibiotics and ARGs.
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Affiliation(s)
- Ke Liu
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China
| | - Cui Gan
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China
| | - Yue'e Peng
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, China
| | - Yiqun Gan
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Ministry of Ecology and Environment, China University of Geosciences, Wuhan, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, China
| | - Jun He
- Wuhan Geological Survey Center, China Geological Survey, Wuhan, China
| | - Yao Du
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Ministry of Ecology and Environment, China University of Geosciences, Wuhan, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, China
| | - Lei Tong
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Ministry of Ecology and Environment, China University of Geosciences, Wuhan, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, China.
| | - Jianbo Shi
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Ministry of Ecology and Environment, China University of Geosciences, Wuhan, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, China
| | - Yanxin Wang
- MOE Key Laboratory of Groundwater Quality and Health, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution, Ministry of Ecology and Environment, China University of Geosciences, Wuhan, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, China University of Geosciences, Wuhan, China
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Li X, Lu Z, Wu B, Xie H, Liu G. Antibiotics and antibiotic resistance genes removal in biological aerated filter. BIORESOURCE TECHNOLOGY 2024; 395:130392. [PMID: 38301943 DOI: 10.1016/j.biortech.2024.130392] [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: 11/13/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
Two laboratory-level biological aerated filters (BAF) were constructed to explore their treatment capacity for simulated antibiotic wastewater at high (1 - 16 mg/L) and low (0 - 0.5 mg/L) concentrations. Results showed that BAF was capable of removing both sulfonamides and tetracyclines with an efficiency of over 90 % at 16 mg/L. The main mechanism for removing antibiotics was found to be biodegradation followed by adsorption. Paenarthrobacter was identified as the key genus in sulfonamides degradation, while Hydrogenophaga played a crucial role in tetracyclines degradation. Antibiotics resistant genes such as intI1, sul1, sul2, tetA, tetW and tetX were frequently detected in the effluent, with interception rates ranging from 105 - 106 copies/mL. The dominated microorganisms obtained in the study could potentially be utilized to enhance the capacity of biological processes for treating antibiotics contaminated wastewater. These findings contribute to a better understanding of BAF treating wastewater containing antibiotics and resistant genes.
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Affiliation(s)
- Xiangkun Li
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Ziyi Lu
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Baoli Wu
- North China Municipal Engineering Design & Research Institute Co.,Ltd., Tianjin 300381, China
| | - Hongwei Xie
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Gaige Liu
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China.
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Rossi F, Duchaine C, Tignat-Perrier R, Joly M, Larose C, Dommergue A, Turgeon N, Veillette M, Sellegri K, Baray JL, Amato P. Temporal variations of antimicrobial resistance genes in aerosols: A one-year monitoring at the puy de Dôme summit (Central France). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169567. [PMID: 38145686 DOI: 10.1016/j.scitotenv.2023.169567] [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: 09/27/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
The recent characterization of antibiotic resistance genes (ARGs) in clouds evidenced that the atmosphere actively partakes in the global spreading of antibiotic resistance worldwide. Indeed, the outdoor atmosphere continuously receives large quantities of particles of biological origins, emitted from both anthropogenic or natural sources at the near Earth's surface. Nonetheless, our understanding of the composition of the atmospheric resistome, especially at mid-altitude (i.e. above 1000 m a.s.l.), remains largely limited. The atmosphere is vast and highly dynamic, so that the diversity and abundance of ARGs are expected to fluctuate both spatially and temporally. In this work, the abundance and diversity of ARGs were assessed in atmospheric aerosol samples collected weekly between July 2016 and August 2017 at the mountain site of puy de Dôme (1465 m a.s.l., central France). Our results evidence the presence of 33 different subtypes of ARGs in atmospheric aerosols, out of 34 assessed, whose total concentration fluctuated seasonally from 59 to 1.1 × 105 copies m-3 of air. These were heavily dominated by genes from the quinolone resistance family, notably the qepA gene encoding efflux pump mechanisms, which represented >95 % of total ARGs concentration. Its abundance positively correlated with that of bacteria affiliated with the genera Kineococcus, Neorhizobium, Devosia or Massilia, ubiquitous in soils. This, along with the high abundance of Sphingomonas species, points toward a large contribution of natural sources to the airborne ARGs. Nonetheless, the increased contribution of macrolide resistance (notably the erm35 gene) during winter suggests a sporadic diffusion of ARGs from human activities. Our observations depict the atmosphere as an important vector of ARGs from terrestrial sources. Therefore, monitoring ARGs in airborne microorganisms appears necessary to fully understand the dynamics of antimicrobial resistances in the environment and mitigate the threats they may represent.
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Affiliation(s)
- Florent Rossi
- Département de biochimie, de microbiologie et de bio-informatique, Faculté́ des sciences et de génie, Université́ Laval, Québec, Canada; Centre de recherche de l'institut de cardiologie et de pneumologie de Québec, Québec, Canada
| | - Caroline Duchaine
- Département de biochimie, de microbiologie et de bio-informatique, Faculté́ des sciences et de génie, Université́ Laval, Québec, Canada; Centre de recherche de l'institut de cardiologie et de pneumologie de Québec, Québec, Canada; Canada Research Chair on Bioaerosols, Canada.
| | - Romie Tignat-Perrier
- Laboratoire Ampère, École Centrale de Lyon, CNRS, Université de Lyon, Ecully, France; Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, IRD, INRAE, Grenoble INP, Grenoble, France
| | - Muriel Joly
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Catherine Larose
- Laboratoire Ampère, École Centrale de Lyon, CNRS, Université de Lyon, Ecully, France
| | - Aurélien Dommergue
- Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, IRD, INRAE, Grenoble INP, Grenoble, France
| | - Nathalie Turgeon
- Département de biochimie, de microbiologie et de bio-informatique, Faculté́ des sciences et de génie, Université́ Laval, Québec, Canada; Centre de recherche de l'institut de cardiologie et de pneumologie de Québec, Québec, Canada
| | - Marc Veillette
- Département de biochimie, de microbiologie et de bio-informatique, Faculté́ des sciences et de génie, Université́ Laval, Québec, Canada; Centre de recherche de l'institut de cardiologie et de pneumologie de Québec, Québec, Canada
| | - Karine Sellegri
- Université Clermont Auvergne, CNRS, Laboratoire de Météorologie physique, UMR 6016, Clermont-Ferrand, France
| | - Jean-Luc Baray
- Université Clermont Auvergne, CNRS, Observatoire de physique du Globe de Clermont-Ferrand, UAR 833, Clermont-Ferrand, France; Université Clermont Auvergne, CNRS, Laboratoire de Météorologie physique, UMR 6016, Clermont-Ferrand, France
| | - Pierre Amato
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
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Zhang M, Xu Y, Wang J, Hu J, Qi S, Jiang Z, Yang S. Impact of biochar on the antibiotic resistome and associated microbial functions in rhizosphere and bulk soil in water-saving and flooding irrigated paddy fields. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 342:123026. [PMID: 38012968 DOI: 10.1016/j.envpol.2023.123026] [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: 09/08/2023] [Revised: 11/06/2023] [Accepted: 11/21/2023] [Indexed: 11/29/2023]
Abstract
The addition of biochar in paddies under the condition of water-saving irrigation can simultaneously achieve soil improvement and water conservation, but little is known about the role of these two regulations in mediating the fate of antibiotic resistome in paddy soils. Here, metagenomic analysis was conducted to investigate the effects and intrinsic mechanisms of biochar application and irrigation patterns on propagation of antibiotic resistance genes (ARGs) in paddy soils. The addition of biochar in paddy soil resulted in a reduction of approximately 1.32%-8.01% in the total absolute abundance of ARGs and 0.60%-22.09% in the numbers of ARG subtype. Compared with flooding irrigation, the numbers of detected ARG subtype were reduced by 1.60%-22.90%, but the total absolute abundance of ARGs increased by 0.06%-5.79% in water-saving irrigation paddy soils. Moreover, the combined treatments of flooding irrigation and biochar could significantly reduce the abundance of ARGs in paddy soils. The incremental antibiotic resistance in soil induced by water-saving irrigation was likewise mitigated by the addition of biochar. Correlation analyses indicated that, the differences in soil physicochemical properties under biochar addition or irrigation treatments contributed to the corresponding changes in the abundance of ARGs. Moreover, the variations of microbial community diversity, multidrug efflux abundance and transport system-related genes in paddy soil were also important for mediating the corresponding differences in the abundance of ARGs under the conditions of biochar addition or irrigation treatments. The findings of this study demonstrated the effectiveness of biochar application in mitigating antibiotic resistance in paddy soils. However, it also highlighted a potential concern relating to the elevated antibiotic resistance associated with water-saving irrigation in paddy fields. Consequently, these results contribute to a deeper comprehension of the environmental risks posed by ARGs in paddy soils.
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Affiliation(s)
- Mairan Zhang
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China
| | - Yi Xu
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China
| | - Jie Wang
- Development Center for Science and Technology of Rural Water Resources of Jiangsu Province, Nanjing, 210029, China
| | - Jiazhen Hu
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China
| | - Suting Qi
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China
| | - Zewei Jiang
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China
| | - Shihong Yang
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China; Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Hohai University, Nanjing, 210098, China.
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Fayaz T, Renuka N, Ratha SK. Antibiotic occurrence, environmental risks, and their removal from aquatic environments using microalgae: Advances and future perspectives. CHEMOSPHERE 2024; 349:140822. [PMID: 38042426 DOI: 10.1016/j.chemosphere.2023.140822] [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: 05/21/2023] [Revised: 10/14/2023] [Accepted: 11/26/2023] [Indexed: 12/04/2023]
Abstract
Antibiotic pollution has caused a continuous increase in the development of antibiotic-resistant bacteria and antibiotic-resistant genes (ARGs) in aquatic environments worldwide. Algae-based bioremediation technology is a promising eco-friendly means to remove antibiotics and highly resistant ARGs, and the generated biomass can be utilized to produce value-added products of industrial significance. This review discussed the prevalence of antibiotics and ARGs in aquatic environments and their environmental risks to non-target organisms. The potential of various microalgal species for antibiotic and ARG removal, their mechanisms, strategies for enhanced removal, and future directions were reviewed. Antibiotics can be degraded into non-toxic compounds in microalgal cells through the action of extracellular polymeric substances, glutathione-S-transferase, and cytochrome P450; however, antibiotic stress can alter microalgal gene expression and growth. This review also deciphered the effect of antibiotic stress on microalgal physiology, biomass production, and biochemical composition that can impact their commercial applications.
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Affiliation(s)
- Tufail Fayaz
- Algal Biotechnology Laboratory, Department of Botany, Central University of Punjab, Bathinda, 151401, India
| | - Nirmal Renuka
- Algal Biotechnology Laboratory, Department of Botany, Central University of Punjab, Bathinda, 151401, India.
| | - Sachitra Kumar Ratha
- Algology Laboratory, CSIR-National Botanical Research Institute, Lucknow, 226001, India
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Sun X, Wang X, Han Q, Yu Q, Wanyan R, Li H. Bibliometric analysis of papers on antibiotic resistance genes in aquatic environments on a global scale from 2012 to 2022: Evidence from universality, development and harmfulness. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168597. [PMID: 37981129 DOI: 10.1016/j.scitotenv.2023.168597] [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: 10/09/2023] [Revised: 11/12/2023] [Accepted: 11/13/2023] [Indexed: 11/21/2023]
Abstract
Antibiotic resistance genes (ARGs), emerging pollutants, are widely distributed in aquatic environments, and are tightly linked to human health. However, the research progress and trends in recent years on ARGs of aquatic environments are still unclear. This paper made a comprehensive understanding of the research advance, study trends and key topics of 1592 ARGs articles from 2012 to 2022 by bibliometrics. Publications on ARGs increased rapidly from 2012 to 2022, and scholars paid closer attention to the field of Environmental Sciences & Ecology. The most influential country and institution was mainly China and Chinese Academy of Sciences, respectively. The most articles (14.64 %) were published in the journal Science of the total environment. China and USA had the most cooperation, and USA was more inclined to international cooperation. PCR-based methods for water ARG research were the most widely used, followed by metagenomics. The most studied ARG types were sulfonamides, tetracyclines. Moreover, ARGs from wastewater and rivers were popularly concerned. Current topics mainly included pollution investigation, characteristics, transmission, reduction and risk identification of ARGs. Additionally, future research directions were proposed. Generally, by bibliometrics, this paper reviews the research hotspots and future directions of ARGs on a global scale, and summarizes the more important categories of ARGs, the pollution degree of ARGs in the relevant water environment and the research methods, which can provide a more comprehensive information for the future breakthrough of resistance mechanism, prevention and control standard formulation of ARGs.
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Affiliation(s)
- Xiaofang Sun
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Xiaochen Wang
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Qian Han
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Qiaoling Yu
- State Key Laboratory of Grassland Agro-Ecosystems, Center for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Ruijun Wanyan
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Huan Li
- School of Public Health, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Grassland Agro-Ecosystems, Center for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China.
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Liu C, Shan X, Song L, Wang J, Chen H. Metagenomics-assembled analysis revealed the characteristics of antibiotic resistome and community coalescence in the soils irrigated with different irrigation materials. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167868. [PMID: 37848139 DOI: 10.1016/j.scitotenv.2023.167868] [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: 09/03/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/19/2023]
Abstract
Antibiotic resistance has received widespread attention in recent years. Soil irrigation and fertilization are routine agricultural practices, but also lead to the spread of antibiotic resistance genes (ARGs) in soil-crop system such as via resistome coalescence. Despite community coalescence being ubiquitous and important in natural ecosystems, little research has been done to investigate resistome coalescence during soil irrigation activities. In this study, the characteristics of antibiotic resistome and community coalescence in the soils irrigated with different irrigation materials (wastewater, wastewater-river water, and wastewater-manure) have been revealed by utilizing microcosm experiments and high-throughput sequencing-based metagenomic assembly approaches. Results showed irrigation and coalescence changed soil quality and resistome. Totally, 789 unique ARGs were identified in the irrigation system, including some emerging ARGs. The abundance and diversity of ARGs increased in the coalesced soils, mainly due to the newly imported ARGs from irrigation materials. Relatively, the soils irrigated with wastewater and manure showed higher level of ARGs. Irrigation with the mixtures containing river water caused greater loss of indigenous taxa, while the community structure of mixing treatment with manure changed more dramatically. Interestingly, the succession of community in coalesced soils was influenced by transient competition for resources and ecological niche width, and the highest abundance and diversity of microorganisms and ARGs were found in the initial phase of coalescence, followed by a gradual succession towards the original community. With increasement of wastewater in the irrigation materials, the soil community showed a stepwise change rather than linear change. Notably, natural deposit of irrigation materials reduced their impacts on the ARGs in the coalesced soils. Findings provide new insights into the resistome coalescence during agricultural practices for reducing the spread risks of ARGs.
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Affiliation(s)
- Chang Liu
- Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, College of Water Sciences, Beijing Normal University, No 19, Xinjiekouwai Street, Beijing 100875, China
| | - Xin Shan
- Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, College of Water Sciences, Beijing Normal University, No 19, Xinjiekouwai Street, Beijing 100875, China
| | - Liuting Song
- Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, College of Water Sciences, Beijing Normal University, No 19, Xinjiekouwai Street, Beijing 100875, China.
| | - Jinsheng Wang
- Advanced Institute of Natural Science, Beijing Normal University at Zhuhai, 519087, China
| | - Haiyang Chen
- Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, College of Water Sciences, Beijing Normal University, No 19, Xinjiekouwai Street, Beijing 100875, China.
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Cui Y, Gao J, Zeng L, Guo Y, Xu H, Zhao M. Different fates of extracellular and intracellular antibiotic resistance genes in flocs, granular and biofilm nitrification systems under the stress of acetaminophen. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132675. [PMID: 37806259 DOI: 10.1016/j.jhazmat.2023.132675] [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: 08/08/2023] [Revised: 09/12/2023] [Accepted: 09/28/2023] [Indexed: 10/10/2023]
Abstract
The spread of antibiotic resistance genes (ARGs), including intracellular ARGs (i-ARGs) and extracellular ARGs (e-ARGs), has become a global problem that cannot be ignored. This study clarified the fates of e-ARGs and i-ARGs in floc sludge reactor (FS), granular sludge reactor (GS) and biofilm reactor (BF) under the stress of acetaminophen (APAP). The results showed that the risk of ARGs transmission, especially for e-ARGs, in FS and BF could increase with the increasing times of APAP treatment, except for that in GS. The fates of i-ARGs in three different systems were similar, which were mainly clustered as the efflux pumps mechanism. The secretion and disintegration of extracellular polymeric substances mainly affected the fates of e-ARGs. In the three systems, the complexity of network relationships between ARGs and microbial communities was FS, GS and BF. Partial least-squares path model analysis indicated that bacterial community directly contributed to the variations of e-ARGs and i-ARGs under APAP treatment in the three systems, playing a leading role. And i-ARGs and protein secondary structure showed direct effects on e-ARGs. This study indicated that e-ARGs in complex systems were more susceptible to be influenced, which should be paid more attention to prevent further propagation of ARGs.
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Affiliation(s)
- Yingchao Cui
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Jingfeng Gao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Liqin Zeng
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Yi Guo
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Hongxin Xu
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Mingyan Zhao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
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Jampani M, Mateo-Sagasta J, Chandrasekar A, Fatta-Kassinos D, Graham DW, Gothwal R, Moodley A, Chadag VM, Wiberg D, Langan S. Fate and transport modelling for evaluating antibiotic resistance in aquatic environments: Current knowledge and research priorities. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132527. [PMID: 37788551 DOI: 10.1016/j.jhazmat.2023.132527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 08/03/2023] [Accepted: 09/09/2023] [Indexed: 10/05/2023]
Abstract
Antibiotics have revolutionised medicine in the last century and enabled the prevention of bacterial infections that were previously deemed untreatable. However, in parallel, bacteria have increasingly developed resistance to antibiotics through various mechanisms. When resistant bacteria find their way into terrestrial and aquatic environments, animal and human exposures increase, e.g., via polluted soil, food, and water, and health risks multiply. Understanding the fate and transport of antibiotic resistant bacteria (ARB) and the transfer mechanisms of antibiotic resistance genes (ARGs) in aquatic environments is critical for evaluating and mitigating the risks of resistant-induced infections. The conceptual understanding of sources and pathways of antibiotics, ARB, and ARGs from society to the water environments is essential for setting the scene and developing an appropriate framework for modelling. Various factors and processes associated with hydrology, ecology, and climate change can significantly affect the fate and transport of ARB and ARGs in natural environments. This article reviews current knowledge, research gaps, and priorities for developing water quality models to assess the fate and transport of ARB and ARGs. The paper also provides inputs on future research needs, especially the need for new predictive models to guide risk assessment on AR transmission and spread in aquatic environments.
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Affiliation(s)
- Mahesh Jampani
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka.
| | - Javier Mateo-Sagasta
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Aparna Chandrasekar
- UFZ - Helmholtz Centre for Environmental Research, Department Computational Hydrosystems, Leipzig, Germany; Institute of Hydrobiology, Technische Universität Dresden, Dresden, Germany
| | - Despo Fatta-Kassinos
- Civil and Environmental Engineering Department and Nireas International Water Research Center, University of Cyprus, Nicosia, Cyprus
| | - David W Graham
- School of Engineering, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Ritu Gothwal
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Arshnee Moodley
- International Livestock Research Institute (ILRI), Nairobi, Kenya; Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg C, Denmark
| | | | - David Wiberg
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Simon Langan
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
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Yu Z, He W, Klincke F, Madsen JS, Kot W, Hansen LH, Quintela-Baluja M, Balboa S, Dechesne A, Smets B, Nesme J, Sørensen SJ. Insights into the circular: The cryptic plasmidome and its derived antibiotic resistome in the urban water systems. ENVIRONMENT INTERNATIONAL 2024; 183:108351. [PMID: 38041983 DOI: 10.1016/j.envint.2023.108351] [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: 08/28/2023] [Revised: 11/07/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023]
Abstract
Plasmids have been a concern in the dissemination and evolution of antibiotic resistance in the environment. In this study, we investigated the total pool of plasmids (plasmidome) and its derived antibiotic resistance genes (ARGs) in different compartments of urban water systems (UWSs) in three European countries representing different antibiotic usage regimes. We applied a direct plasmidome approach using wet-lab methods to enrich circular DNA in the samples, followed by shotgun sequencing and in silico contig circularisation. We identified 9538 novel sequences in a total of 10,942 recovered circular plasmids. Of these, 66 were identified as conjugative, 1896 mobilisable and 8970 non-mobilisable plasmids. The UWSs' plasmidome was dominated by small plasmids (≤10 Kbp) representing a broad diversity of mobility (MOB) types and incompatibility (Inc) groups. A shared collection of plasmids from different countries was detected in all treatment compartments, and plasmids could be source-tracked in the UWSs. More than half of the ARGs-encoding plasmids carried mobility genes for mobilisation/conjugation. The richness and abundance of ARGs-encoding plasmids generally decreased with the flow, while we observed that non-mobilisable ARGs-harbouring plasmids maintained their abundance in the Spanish wastewater treatment plant. Overall, our work unravels that the UWS plasmidome is dominated by cryptic (i.e., non-mobilisable, non-typeable and previously unknown) plasmids. Considering that some of these plasmids carried ARGs, were prevalent across three countries and could persist throughout the UWSs compartments, these results should alarm and call for attention.
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Affiliation(s)
- Zhuofeng Yu
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
| | - Wanli He
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
| | - Franziska Klincke
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
| | - Jonas Stenløkke Madsen
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
| | - Witold Kot
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark; Department of Plant and Environmental Science, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg, Denmark
| | - Lars Hestbjerg Hansen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark; Department of Plant and Environmental Science, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg, Denmark
| | - Marcos Quintela-Baluja
- Department of Microbiology and Parasitology, University of Santiago de Compostela, Praza do Obradoiro, 0, 15705 Santiago de Compostela, A Coruña, Spain
| | - Sabela Balboa
- School of Engineering, Newcastle University, NE1 7RX Newcastle upon Tyne, United Kingdom
| | - Arnaud Dechesne
- Department of Environmental Engineering, Technical University of Denmark, Bygningstorvet 115, DK-2800 Kgs. Lyngby, Denmark
| | - Barth Smets
- Department of Environmental Engineering, Technical University of Denmark, Bygningstorvet 115, DK-2800 Kgs. Lyngby, Denmark
| | - Joseph Nesme
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
| | - Søren Johannes Sørensen
- Section of Microbiology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
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Yang QE, Ma X, Zeng L, Wang Q, Li M, Teng L, He M, Liu C, Zhao M, Wang M, Hui D, Madsen JS, Liao H, Walsh TR, Zhou S. Interphylum dissemination of NDM-5-positive plasmids in hospital wastewater from Fuzhou, China: a single-centre, culture-independent, plasmid transmission study. THE LANCET. MICROBE 2024; 5:e13-e23. [PMID: 38006896 DOI: 10.1016/s2666-5247(23)00227-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 07/05/2023] [Accepted: 07/20/2023] [Indexed: 11/27/2023]
Abstract
BACKGROUND The global spread of plasmid-borne carbapenem resistance is an ongoing public health challenge; however, the nature of such horizontal gene transfer events among complex bacterial communities remains poorly understood. We examined the in-situ transfer of the globally dominant New Delhi metallo-β-lactamase (NDM)-5-positive IncX3 plasmid (denoted pX3_NDM-5) in hospital wastewater to simulate a real-world, One Health antimicrobial resistance context. METHODS For this transmission study, we tagged pX3_NDM-5 with the green fluorescent protein gene, gfp, using a CRISPR-based method and transferred the plasmid to a donor Escherichia coli strain. Bacteria were extracted from a hospital wastewater treatment plant (Fujian Provincial Maternity and Children's Hospital, Fuzhou, China) as the bacterial recipient community. We mixed this recipient community with the E coli donor strain carrying the gfp-tagged plasmid, both with and without sodium hypochlorite (NaClO) as an environmental stressor, and conducted several culture-based and culture-independent conjugation assays. The conjugation events were observed microscopically and quantified by fluorescence-activated cell sorting. We analysed the taxonomic composition of the sorted transconjugal pool by 16S rRNA gene amplicon sequencing and assessed the stability of the plasmid in the isolated transconjugants and its ability to transfer back to E coli. FINDINGS We show that the plasmid pX3_NDM-5 has a broad host range and can transfer across various bacterial phyla, including between Gram-negative and Gram-positive bacteria. Although environmental stress with NaClO did not affect the overall plasmid transfer frequency, it reduced the breadth of the transconjugant pool. The taxonomic composition of the transconjugal pool was distinct from that of the recipient communities, and environmental stress modulated the permissiveness of some operational taxonomic units towards the acquisition of pX3_NDM-5. Notably, pX3_NDM-5 transconjugants included the Gram-positive pathogen Enterococcus faecalis, and the plasmid could subsequently be reconjugated back to E coli. These findings suggest that E faecalis could act as a natural shuttle vector for the wide dissemination of pX3_NDM-5 plasmids. INTERPRETATION Our culture-independent conjugation model simulates natural environmental conditions and challenges the established theory that Gram-negative and Gram-positive bacteria rarely exchange clinically important plasmids. The data show that plasmids disseminate more widely across genera and phyla than previously thought. These findings have substantial implications when considering the spread of antimicrobial resistance across One Health sectors. FUNDING The Laboratory of Lingnan Modern Agriculture Project, the National Natural Science Foundation of China, the Natural Science Foundation of Fujian Province of China, and the Outstanding Young Research Talents Program of Fujian Agriculture and Forestry University.
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Affiliation(s)
- Qiu E Yang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaodan Ma
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lingshuang Zeng
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Qinqin Wang
- Section of Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Minchun Li
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lin Teng
- Department of Veterinary Medicine, College of Veterinary Medicine, Zhejiang University, Hangzhou, China
| | - Mingzhen He
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chen Liu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mengshi Zhao
- Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mengzhu Wang
- Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Deng Hui
- Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jonas Stenløkke Madsen
- Section of Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Hanpeng Liao
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Timothy R Walsh
- Ineos Oxford Institute for Antimicrobial Research, Department of Biology, University of Oxford, Oxford, UK.
| | - Shungui Zhou
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China.
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Wang D, Shang J, Lin H, Liang J, Wang C, Sun Y, Bai Y, Qu J. Identifying ARG-carrying bacteriophages in a lake replenished by reclaimed water using deep learning techniques. WATER RESEARCH 2024; 248:120859. [PMID: 37976954 DOI: 10.1016/j.watres.2023.120859] [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: 06/16/2023] [Revised: 09/16/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023]
Abstract
As important mobile genetic elements, phages support the spread of antibiotic resistance genes (ARGs). Previous analyses of metaviromes or metagenome-assembled genomes (MAGs) failed to assess the extent of ARGs transferred by phages, particularly in the generation of antibiotic pathogens. Therefore, we have developed a bioinformatic pipeline that utilizes deep learning techniques to identify ARG-carrying phages and predict their hosts, with a special focus on pathogens. Using this method, we discovered that the predominant types of ARGs carried by temperate phages in a typical landscape lake, which is fully replenished by reclaimed water, were related to multidrug resistance and β-lactam antibiotics. MAGs containing virulent factors (VFs) were predicted to serve as hosts for these ARG-carrying phages, which suggests that the phages may have the potential to transfer ARGs. In silico analysis showed a significant positive correlation between temperate phages and host pathogens (R = 0.503, p < 0.001), which was later confirmed by qPCR. Interestingly, these MAGs were found to be more abundant than those containing both ARGs and VFs, especially in December and March. Seasonal variations were observed in the abundance of phages harboring ARGs (from 5.62 % to 21.02 %) and chromosomes harboring ARGs (from 18.01 % to 30.94 %). In contrast, the abundance of plasmids harboring ARGs remained unchanged. In summary, this study leverages deep learning to analyze phage-transferred ARGs and demonstrates an alternative method to track the production of potential antibiotic-resistant pathogens by metagenomics that can be extended to microbiological risk assessment.
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Affiliation(s)
- Donglin Wang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jiayu Shang
- Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Hui Lin
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jinsong Liang
- School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, China
| | - Chenchen Wang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China; Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin 300384, China
| | - Yanni Sun
- Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China.
| | - Yaohui Bai
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Jiuhui Qu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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49
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Sudhakari PA, Ramisetty BCM. Resistome Diversity in Escherichia coli Isolates of Global Wastewaters. Microb Drug Resist 2024; 30:37-49. [PMID: 38150178 DOI: 10.1089/mdr.2022.0296] [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] [Indexed: 12/28/2023] Open
Abstract
Antimicrobial resistance (AMR) is a global health threat requiring urgent attention and effective strategies for containment. AMR is fueled by wastewater mismanagement and global mobility, disseminating multidrug-resistant (MDR) strains worldwide. While global estimates of AMR burden have been informative, community-level understanding has received little attention despite reports of high AMR prevalence in healthy communities. We assessed the "invasion" of antibiotic resistance genes (ARGs) into the normal human flora by characterizing AMR Escherichia coli in local wastewaters contributed by a healthy youth population. This study estimated 26% (out of 300 isolates) resistant and 59% plasmid-bearing E. coli in local wastewater. Of the 78 AMR isolates, the frequency of mono-resistance was higher against tetracycline (32%), followed by kanamycin (17%) and chloramphenicol (9%). Five isolates were potentially MDR. We further sequenced four MDRs and four sensitive strains to comprehend the genome and resistome diversity in comparison to the global wastewater E. coli (genomes from the PATRIC database). The whole-genome analysis revealed extensive genome similarity among global isolates, suggesting global dissemination and colonization of E. coli. Global wastewater resistome majorly comprised ARGs against aminoglycosides (26%), beta-lactam (17%), sulfonamide (11%), and trimethoprim (8%). Resistance to colistin, a last-resort antibiotic, was prevalent in MDRs of European and South Asian isolates. A systems approach is required to address the AMR crisis on a global scale, reduce antibiotic usage, and increase the efficiency of wastewater management and disinfection.
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Affiliation(s)
- Pavithra Anantharaman Sudhakari
- Laboratory of Molecular Biology and Evolution, 312@ASK1, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Bhaskar Chandra Mohan Ramisetty
- Laboratory of Molecular Biology and Evolution, 312@ASK1, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
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50
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Zhao M, Gao J, Cui Y, Zhang H, Wang Z, Zhang S, Sun L. The effects of didodecyl dimethyl ammonium chloride on microbial communities and resistance genes in floc, granular and biofilm denitrification sludge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167618. [PMID: 37804971 DOI: 10.1016/j.scitotenv.2023.167618] [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: 07/16/2023] [Revised: 10/04/2023] [Accepted: 10/04/2023] [Indexed: 10/09/2023]
Abstract
As a type of quaternary ammonium compounds, didodecyl dimethyl ammonium chloride (DADMAC C12) was frequently detected in wastewater treatment plants. Here, floc-based sequencing batch reactor (FSBR), granule-based SBR (GSBR) and biofilm SBR (BSBR) were fed with 0.5, 5 and 10 mg/L of DADMAC C12 for 120 d. Compared with floc sludge and granule sludge, biofilm had the strongest ability to resist the impact of DADMAC C12. Notably, in both FSBR and GSBR systems, 5 mg/L DADMAC C12 promoted denitrification sludge to become hydrophobic and compact due to an increase in α-Helix/(β-Sheet+Random coil), consequently enhancing sludge granulation. Besides,high concentration of DADMAC C12 generally increased the abundances of MGEs in three denitrification systems, except extracellular MGEs in water. The variation of efflux pump ARGs was basically consistent with that of MGEs. The stimulation of DADMAC C12 also increased significantly the abundance of extracellular antibiotics deactivation ARGs in water in three denitrification systems. Besides, DADMAC C12 induced co-selection among various ARGs and promoted the proliferation and spread of sulfonamide ARGs in water.
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Affiliation(s)
- Mingyan Zhao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Jingfeng Gao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
| | - Yingchao Cui
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Haoran Zhang
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Zhiqi Wang
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Shujun Zhang
- Research and Development Center of Beijing Drainage Group Co., Ltd, Beijing 100124, China.
| | - Lixin Sun
- D·smart Environmental Technology (Beijing) Co., Ltd., China
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