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Jiang C, Zhao Z, Grossart HP, Ju F, Zhao Y, Gadd GM, Korzeniewska E, Yang Y. Health risk ranking of antibiotic resistance genes in the Yangtze River. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 21:100388. [PMID: 38351955 PMCID: PMC10862502 DOI: 10.1016/j.ese.2024.100388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 02/16/2024]
Abstract
Antibiotic resistance is an escalating global health concern, exacerbated by the pervasive presence of antibiotic resistance genes (ARGs) in natural environments. The Yangtze River, the world's third-longest river, traversing areas with intense human activities, presents a unique ecosystem for studying the impact of these genes on human health. Here, we explored ARGs in the Yangtze River, examining 204 samples from six distinct habitats of approximately 6000 km of the river, including free-living and particle-associated settings, surface and bottom sediments, and surface and bottom bank soils. Employing shotgun sequencing, we generated an average of 13.69 Gb reads per sample. Our findings revealed a significantly higher abundance and diversity of ARGs in water-borne bacteria compared to other habitats. A notable pattern of resistome coalescence was observed within similar habitat types. In addition, we developed a framework for ranking the risk of ARG and a corresponding method for calculating the risk index. Applying them, we identified water-borne bacteria as the highest contributors to health risks, and noted an increase in ARG risks in particle-associated bacteria correlating with heightened anthropogenic activities. Further analysis using a weighted ARG risk index pinpointed the Chengdu-Chongqing and Yangtze River Delta urban agglomerations as regions of elevated health risk. These insights provide a critical new perspective on ARG health risk assessment, highlighting the urgent need for strategies to mitigate the impact of ARGs on human health and to preserve the ecological and economic sustainability of the Yangtze River for future human use.
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Affiliation(s)
- Chunxia Jiang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China
| | - Zelong Zhao
- Liaoning Key Laboratory of Marine Fishery Molecular Biology, Liaoning Key Lab of Germplasm Improvement and Fine Seed Breeding of Marine Aquatic Animals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, 116023, China
| | - Hans-Peter Grossart
- Leibniz-Institute for Freshwater Ecology and Inland Fisheries (IGB), Neuglobsow, 16775, Germany
- Institute for Biochemistry and Biology, Potsdam University, Potsdam, 14469, Germany
| | - Feng Ju
- Key Laboratory of Coastal Environment and Resources of Zhejiang Province, School of Engineering, Westlake University, Hangzhou, 310030, China
| | - Yi Zhao
- School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Geoffrey Michael Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, Scotland, UK
- State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, 102249, China
| | - Ewa Korzeniewska
- Department of Water Protection Engineering and Environmental Microbiology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Olsztyn, 10-720, Poland
| | - Yuyi Yang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Danjiangkou Wetland Ecosystem Field Scientific Observation and Research Station, Chinese Academy of Sciences & Hubei Province, Wuhan, 430074, China
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2
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Bhattacharya A, Aluquin A, Kennedy DA. Exceptions to the rule: When does resistance evolution not undermine antibiotic therapy in human bacterial infections? Evol Lett 2024; 8:478-493. [PMID: 39100236 PMCID: PMC11291617 DOI: 10.1093/evlett/qrae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 02/04/2024] [Accepted: 02/09/2024] [Indexed: 08/06/2024] Open
Abstract
The use of antibiotics to treat bacterial infections often imposes strong selection for antibiotic resistance. However, the prevalence of antibiotic resistance varies greatly across different combinations of pathogens and drugs. What underlies this variation? Systematic reviews, meta-analyses, and literature surveys capable of integrating data across many studies have tried to answer this question, but the vast majority of these studies have focused only on cases where resistance is common or problematic. Yet much could presumably be learned from the cases where resistance is infrequent or absent. Here we conducted a literature survey and a systematic review to study the evolution of antibiotic resistance across a wide range of pathogen-by-drug combinations (57 pathogens and 53 antibiotics from 15 drug classes). Using Akaike information criterion-based model selection and model-averaged parameter estimation we explored 14 different factors posited to be associated with resistance evolution. We find that the most robust predictors of high resistance are nosocomial transmission (i.e., hospital-acquired pathogens) and indirect transmission (e.g., vector-, water-, air-, or vehicle-borne pathogens). While the former was to be expected based on prior studies, the positive correlation between high resistance frequencies and indirect transmission is, to our knowledge, a novel insight. The most robust predictor of low resistance is zoonosis from wild animal reservoirs. We also found partial support that resistance was associated with pathogen type, horizontal gene transfer, commensalism, and human-to-human transmission. We did not find support for correlations between resistance and environmental reservoirs, mechanisms of drug action, and global drug use. This work explores the relative explanatory power of various pathogen and drug factors on resistance evolution, which is necessary to identify priority targets of stewardship efforts to slow the spread of drug-resistant pathogens.
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Affiliation(s)
- Amrita Bhattacharya
- Department of Biology, The Pennsylvania State University, University Park, PA, United States
| | - Anton Aluquin
- Department of Biology & Schreyer Honors College, The Pennsylvania State University, University Park, PA, United States
| | - David A Kennedy
- Department of Biology, The Pennsylvania State University, University Park, PA, United States
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Mesa-Ramos L, Palacios OA, Adame-Gallegos JR, Chávez-Flores D, Nevárez-Moorillón GV. Assessing antibiotic residues in sediments from mangrove ecosystems: A review. MARINE POLLUTION BULLETIN 2024; 204:116512. [PMID: 38810504 DOI: 10.1016/j.marpolbul.2024.116512] [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: 03/07/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 05/31/2024]
Abstract
Antibiotics' widespread and abusive use in aquaculture and livestock leads to extensive environmental dissemination and dispersion, consequently increasing antibiotic-resistant bacteria in marine ecosystems. Hence, there is an increased need for efficient methods for identifying and quantifying antibiotic residues in soils and sediments. From a review of the last 20 years, we propose and compare different chromatographic techniques for detecting and quantifying antibiotics in sediment samples from marine ecosystems, particularly in mangrove forest sediments. The methods typically include three stages: extraction of antibiotics from the solid matrix, cleaning, and concentration of samples before quantification. We address the leading causes of the occurrence of antibiotics in marine ecosystem sediments and analyze the most appropriate methods for each analytical stage. Ultimately, selecting a method for identifying antibiotic residues depends on multiple factors, ranging from the nature and physicochemical properties of the analytes to the availability of the necessary equipment and the available resources.
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Affiliation(s)
- Liber Mesa-Ramos
- Facultad de Ciencias Químicas Universidad Autónoma de Chihuahua. Chihuahua, Chihuahua CP 31125, Mexico
| | - Oskar A Palacios
- Facultad de Ciencias Químicas Universidad Autónoma de Chihuahua. Chihuahua, Chihuahua CP 31125, Mexico
| | - Jaime Raúl Adame-Gallegos
- Facultad de Ciencias Químicas Universidad Autónoma de Chihuahua. Chihuahua, Chihuahua CP 31125, Mexico
| | - David Chávez-Flores
- Facultad de Ciencias Químicas Universidad Autónoma de Chihuahua. Chihuahua, Chihuahua CP 31125, Mexico
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4
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Wu J, Hu Y, Perlin MH, Danko D, Lu J, Oliveira M, Werner J, Zambrano MM, Sierra MA, Osuolale OO, Łabaj P, Rascovan N, Hazrin-Chong NH, Jang S, Suzuki H, Nieto-Caballero M, Prithiviraj B, Lee PKH, Chmielarczyk A, Różańska A, Zhao Y, Wang L, Mason CE, Shi T. Landscape of global urban environmental resistome and its association with local socioeconomic and medical status. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1292-1301. [PMID: 38489008 DOI: 10.1007/s11427-023-2504-1] [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: 10/10/2023] [Accepted: 12/06/2023] [Indexed: 03/17/2024]
Abstract
Antimicrobial resistance (AMR) poses a critical threat to global health and development, with environmental factors-particularly in urban areas-contributing significantly to the spread of antibiotic resistance genes (ARGs). However, most research to date has been conducted at a local level, leaving significant gaps in our understanding of the global status of antibiotic resistance in urban environments. To address this issue, we thoroughly analyzed a total of 86,213 ARGs detected within 4,728 metagenome samples, which were collected by the MetaSUB International Consortium involving diverse urban environments in 60 cities of 27 countries, utilizing a deep-learning based methodology. Our findings demonstrated the strong geographical specificity of urban environmental resistome, and their correlation with various local socioeconomic and medical conditions. We also identified distinctive evolutionary patterns of ARG-related biosynthetic gene clusters (BGCs) across different countries, and discovered that the urban environment represents a rich source of novel antibiotics. Our study provides a comprehensive overview of the global urban environmental resistome, and fills a significant gap in our knowledge of large-scale urban antibiotic resistome analysis.
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Affiliation(s)
- Jun Wu
- Center for Bioinformatics and Computational Biology, and the Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Yige Hu
- Center for Bioinformatics and Computational Biology, and the Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Michael H Perlin
- Department of Biology, Program on Disease Evolution, University of Louisville, Louisville, 40292, USA
| | - David Danko
- Weill Cornell Medicine, New York, 10065, USA
- The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, 10065, USA
| | - Jun Lu
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200025, China
| | - Manuela Oliveira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4050-290, Portugal
- Ipatimup - Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Porto, 4200-465, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, 4050-290, Portugal
| | - Johannes Werner
- High Performance and Cloud Computing Group, Zentrum für Datenverarbeitung (ZDV), Eberhard Karls University of Tübingen, Wächterstraße 76, 72074, Tübingen, Germany
| | | | - Maria A Sierra
- Weill Cornell Medicine, New York, 10065, USA
- The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, 10065, USA
| | - Olayinka O Osuolale
- Applied Environmental Metagenomics and Infectious Diseases Research (AEMIDR), Department of Biological Sciences, Elizade University, Ilara-Mokin, 340271, Nigeria
| | - Paweł Łabaj
- Maopolska Centre of Biotechnology, Jagiellonian University, Kraków, 30-005, Poland
| | - Nicolás Rascovan
- Aix-Marseille Université, Mediterranean Institute of Oceanology, Université de Toulon, CNRS, IRD, UM 110, Marseille, 83041, France
| | - Nur Hazlin Hazrin-Chong
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia UKM, 43600, Bangi, Selangor, Malaysia
| | - Soojin Jang
- Institut Pasteur Korea, Seoul, 13488, Republic of Korea
| | - Haruo Suzuki
- Faculty of Environment and Information Studies, Keio University, Fujisawa, Kanagawa, 252-0882, Japan
| | - Marina Nieto-Caballero
- Civil, Environmental and Architectural Department, University of Colorado at Boulder, Boulder, 80303, USA
| | | | - Patrick K H Lee
- School of Energy and Environment, City University of Hong Kong, Hong Kong, 999077, China
| | - Agnieszka Chmielarczyk
- Department of Microbiology, Faculty of Medicine, Jagiellonian University, Krakow, 30-005, Poland
| | - Anna Różańska
- Department of Microbiology, Faculty of Medicine, Jagiellonian University, Krakow, 30-005, Poland
| | - Yongxiang Zhao
- Biological Targeting Diagnosis and Therapy Research Center, Guangxi Medical University, Nanning, 530021, China.
| | - Lan Wang
- College of Architecture and Urban Planning, Tongji University, Shanghai, 200092, China.
| | - Christopher E Mason
- Weill Cornell Medicine, New York, 10065, USA.
- The Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, New York, 10065, USA.
| | - Tieliu Shi
- Center for Bioinformatics and Computational Biology, and the Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, Shanghai, 200241, China.
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University & Capital Medical University, Beijing, 100083, China.
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5
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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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6
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Singh S, Sharma P, Pal N, Sarma DK, Kumar M. Antibiotic disposal challenges in India: investigating causes and effects. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:325. [PMID: 38421517 DOI: 10.1007/s10661-024-12425-4] [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] [Accepted: 02/02/2024] [Indexed: 03/02/2024]
Abstract
Antibiotic resistance has become a global problem and India emerges as a key battlefield in the fight against it. While inappropriate use of antibiotics is well known, the review article deliberates a less recognized yet equally perilous facet of the crisis i.e. improper antibiotic disposal. An investigation of the sources of antibiotic pollution in Indian water bodies identifies discharge of pharmaceutical effluents, hospital waste, and agricultural runoff as major contributing factors. Furthermore, it discusses the repercussions of antibiotic pollution including those relating to human health, aquatic ecosystems, and antibiotic resistance. Reviewing the causes and consequences of improper antibiotic disposal practices emphasizes the necessity of rethinking antibiotic waste management practices. The review highlights the need for stringent rules and increased awareness, while also discussing the emerging technologies and strategies to mitigate the risks of antibiotic disposal in India.
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Affiliation(s)
- Samradhi Singh
- ICMR-National Institute for Research in Environmental Health, Bhopal, 462030, Madhya Pradesh, India
| | - Poonam Sharma
- ICMR-National Institute for Research in Environmental Health, Bhopal, 462030, Madhya Pradesh, India
| | - Namrata Pal
- ICMR-National Institute for Research in Environmental Health, Bhopal, 462030, Madhya Pradesh, India
| | - Devojit Kumar Sarma
- ICMR-National Institute for Research in Environmental Health, Bhopal, 462030, Madhya Pradesh, India
| | - Manoj Kumar
- ICMR-National Institute for Research in Environmental Health, Bhopal, 462030, Madhya Pradesh, India.
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7
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Ochman H, Quandt EM, Gottell N, Gilbert JA. Examining the taxonomic distribution of tetracycline resistance in a wastewater plant. SUSTAINABLE MICROBIOLOGY 2024; 1:qvad003. [PMID: 38317688 PMCID: PMC10840452 DOI: 10.1093/sumbio/qvad003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 12/15/2023] [Accepted: 01/16/2024] [Indexed: 02/07/2024]
Abstract
Microbial communities serve as reservoirs of antibiotic resistance genes (ARGs) and facilitate the dissemination of these genes to bacteria that infect humans. Relatively little is known about the taxonomic distribution of bacteria harboring ARGs in these reservoirs and the avenues of transmission due to the technical hurdles associated with characterizing the contents of complex microbial populations and the assignment of genes to particular genomes. Focusing on the array of tetracycline resistance (Tcr) genes in the primary and secondary phases of wastewater treatment, 17 of the 22 assayed Tcr genes were detected in at least one sample. We then applied emulsion, paired isolation, and concatenation PCR (epicPCR) to link tetracycline resistance genes to specific bacterial hosts. Whereas Tcr genes tend to vary in their distributions among bacterial taxa according to their modes of action, there were numerous instances in which a particular Tcr gene was associated with a host that was distantly related to all other bacteria bearing the same gene, including several hosts not previously identified. Tcr genes are far less host-restricted than previously assumed, indicating that complex microbial communities serve as settings where ARGs are spread among divergent bacterial phyla.
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Affiliation(s)
- Howard Ochman
- Department of Molecular Biosciences, University of Texas, Austin, TX 78712, United States
| | - Erik M Quandt
- Department of Molecular Biosciences, University of Texas, Austin, TX 78712, United States
| | - Neil Gottell
- Department of Pediatrics and Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, United States
| | - Jack A Gilbert
- Department of Pediatrics and Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, United States
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8
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Bhatt S, Choudhary P, Chatterjee S, Akhter Y. Comparative analysis of SilA-laccase mediated degradation of ciprofloxacin, norfloxacin and ofloxacin and interpretation of the possible catalytic mechanism. J Biomol Struct Dyn 2024; 42:425-434. [PMID: 37096761 DOI: 10.1080/07391102.2023.2197074] [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: 12/09/2022] [Accepted: 03/13/2023] [Indexed: 04/26/2023]
Abstract
Fluoroquinolones (FQs) are the most commonly used antimicrobial drugs and regardless of their advantages in the healthcare sector, the pollution of these antimicrobial drugs in the environment has big concerns about human and environmental health. The presence of these antibiotic drugs even at the lowest concentrations in the environment has resulted in the emergence and spread of antibiotic resistance. Hence, it is necessary to remediate these pollutants from the environment. Previously alkaline laccase (SilA) from Streptomyces ipomoeae has been demonstrated to show degrading potentials against two of the FQs, Ciprofloxacin (CIP) and Norfloxacin (NOR); however, the molecular mechanism was not elucidated in detail. In this study, we have analyzed the possible molecular catalytic mechanism of FQ degrading SilA-laccase for the degradation of the FQs, CIP, NOR and Ofloxacin (OFL) using three-dimensional protein structure modeling, molecular docking and molecular dynamic (MD) studies. The comparative protein sequence analysis revealed the presence of tetrapeptide conserved catalytic motif, His102-X-His104-Gly105. After evaluating the active site of the enzyme in depth using CDD, COACH and S-site tools, we have identified the catalytic triad composed of three conserved amino acid residues, His102, Val103 and Tyr108 with which ligands interacted during the catalysis process. By analyzing the MD trajectories, it is revealed that the highest degradation potential of SilA is for CIP followed by NOR and OFL. Ultimately, this study provides the possible comparative catalytic mechanism for the degradation of CIP, NOR and OFL by the SilA enzyme.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sunidhi Bhatt
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Distt-Kangara, Himachal Pradesh, India
| | - Priyanka Choudhary
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Distt-Kangara, Himachal Pradesh, India
| | - Subhankar Chatterjee
- Bioremediation and Metabolomics Research Group, Department of Ecology & Environmental Sciences, Pondicherry University, Kalapet, Puducherry, India
| | - Yusuf Akhter
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow, India
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9
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Wang L, Hu T, Li Y, Zhao Z, Zhu M. Unraveling the interplay between antibiotic resistance genes and microbial communities in water and sediments of the intensive tidal flat aquaculture. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 339:122734. [PMID: 37838320 DOI: 10.1016/j.envpol.2023.122734] [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: 07/21/2023] [Revised: 09/18/2023] [Accepted: 10/11/2023] [Indexed: 10/16/2023]
Abstract
Tidal flats are formed valuably resources by the interaction of terrestrial and marine processes. Aquaculture on tidal flats has brought significant economic profits, but the over usage of antibiotics has resulted in the prevalence antibiotic resistance genes (ARGs) which pose serious threats to ecosystems. However, ARG abundances and bacterial community assemblies in the overlying water and sediments of tidal flat aquaculture areas have not been fully explored. Thus, antibiotic concentrations, ARG abundances, microbial communities and the influences of environmental factors in the Jiangsu tidal flat aquaculture ponds were investigated using high-throughput sequencing and qPCR. The concentrations of antibiotics at sampling ranged from not detectable to 2322.4 ng g-1, and sulfamethazine and ciprofloxacin were the dominant antibiotics. The sul1 and sul2 abundances were highest and the ARG abundances were higher in sediment than in water. Meanwhile, bacterial community diversities and structures were significantly different (P < 0.05) between water and sediment samples. Network analysis identified Sphingomonadacear, Pseudomonas, and Xanthobacteraceae as potential ARG-carrying pathogens. A positive correlation between ARGs and intI1 indicated that horizontal gene transfer occurred in water, while antibiotics and TN significantly influenced ARG abundances in sediment. Neutral modeling showed that deterministic and stochastic processes contributed most to the bacterial community assemblies of water and sediment samples, respectively. This study comprehensively illustrates the prevalence of ARGs in intensive tidal flat aquaculture regions and provides an effective foundation for the management of antibiotics usage.
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Affiliation(s)
- Linqiong Wang
- College of Oceanography, Hohai University, Xikang Road #1, Nanjing, China
| | - Tong Hu
- College of Environment, Hohai University, Xikang Road #1, Nanjing, China
| | - Yi Li
- College of Environment, Hohai University, Xikang Road #1, Nanjing, China.
| | - Zhe Zhao
- College of Oceanography, Hohai University, Xikang Road #1, Nanjing, China
| | - Mengjie Zhu
- College of Environment, Hohai University, Xikang Road #1, Nanjing, China
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10
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Gangar T, Patra S. Antibiotic persistence and its impact on the environment. 3 Biotech 2023; 13:401. [PMID: 37982084 PMCID: PMC10654327 DOI: 10.1007/s13205-023-03806-6] [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: 05/23/2023] [Accepted: 10/10/2023] [Indexed: 11/21/2023] Open
Abstract
From boon molecules to molecules contributing to rising concern has been the sojourn of antibiotics. The problem of antibiotic contamination has gotten worse due to antibiotics' pervasive use in every aspect of the environment. One such consequence of pollution is the increase in infections with antibiotic resistance. All known antimicrobials being used for human benefit lead to their repetitive and routine release into the environment. The misuse of antibiotics has aggravated the situation to a level that we are short of antibiotics to treat infections as organisms have developed resistance against them. Overconsumption is not just limited to human health care, but also occurs in other areas such as aquaculture, livestock, and veterinary applications for the purpose of improving feed and meat products. Due to their harmful effects on non-target species, the trace level of antibiotics in the aquatic ecosystem presents a significant problem. Since the introduction of antibiotics into the environment is more than their removal, they have been given the status of persistent pollutants. The buildup of antibiotics in the environment threatens aquatic life and may lead to bacterial strains developing resistance. As newer organisms are becoming resistant, there exists a shortage of antibiotics to treat infections. This has presented a very critical problem for the health-care community. Another rising concern is that the development of newer drug molecules as antibiotics is minimal. This review article critically explains the cause and nature of the pollution and the effects of this emerging trend. Also, in the latter sections, why we need newer antibiotics is questioned and discussed.
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Affiliation(s)
- Tarun Gangar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039 India
| | - Sanjukta Patra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039 India
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11
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Shintani M, Vestergaard G, Milaković M, Kublik S, Smalla K, Schloter M, Udiković-Kolić N. Integrons, transposons and IS elements promote diversification of multidrug resistance plasmids and adaptation of their hosts to antibiotic pollutants from pharmaceutical companies. Environ Microbiol 2023; 25:3035-3051. [PMID: 37655671 DOI: 10.1111/1462-2920.16481] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 08/01/2023] [Indexed: 09/02/2023]
Abstract
Plasmids are important vehicles for the dissemination of antibiotic resistance genes (ARGs) among bacteria by conjugation. Here, we determined the complete nucleotide sequences of nine different plasmids previously obtained by exogenous plasmid isolation from river and creek sediments and wastewater from a pharmaceutical company. We identified six IncP/P-1ε plasmids and single members of IncL, IncN and IncFII-like plasmids. Genetic structures of the accessory regions of the IncP/P-1ε plasmids obtained implied that multiple insertions and deletions had occurred, mediated by different transposons and Class 1 integrons with various ARGs. Our study provides compelling evidence that Class 1 integrons, Tn402-like transposons, Tn3-like transposons and/or IS26 played important roles in the acquisition of ARGs across all investigated plasmids. Our plasmid sequencing data provide new insights into how these mobile genetic elements could mediate the acquisition and spread of ARGs in environmental bacteria.
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Affiliation(s)
- Masaki Shintani
- Department of Engineering, Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan
- Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, Japan
- Japan Collection of Microorganisms, RIKEN BioResource Research Center, Ibaraki, Japan
| | | | - Milena Milaković
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Croatia
| | - Susanne Kublik
- Research Unit for Comparative Microbiome Analysis, Helmholtz Zentrum München, Zagreb, Germany
| | - Kornelia Smalla
- Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Braunschweig, Germany
| | - Michael Schloter
- Research Unit for Comparative Microbiome Analysis, Helmholtz Zentrum München, Zagreb, Germany
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12
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Zhao Y, Huang F, Wang W, Gao R, Fan L, Wang A, Gao SH. Application of high-throughput sequencing technologies and analytical tools for pathogen detection in urban water systems: Progress and future perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165867. [PMID: 37516185 DOI: 10.1016/j.scitotenv.2023.165867] [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: 07/01/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 07/31/2023]
Abstract
The ubiquitous presence of pathogenic microorganisms, such as viruses, bacteria, fungi, and protozoa, in urban water systems poses a significant risk to public health. The emergence of infectious waterborne diseases mediated by urban water systems has become one of the leading global causes of mortality. However, the detection and monitoring of these pathogenic microorganisms have been limited by the complexity and diversity in the environmental samples. Conventional methods were restricted by long assay time, high benchmarks of identification, and narrow application sceneries. Novel technologies, such as high-throughput sequencing technologies, enable potentially full-spectrum detection of trace pathogenic microorganisms in complex environmental matrices. This review discusses the current state of high-throughput sequencing technologies for identifying pathogenic microorganisms in urban water systems with a concise summary. Furthermore, future perspectives in pathogen research emphasize the need for detection methods with high accuracy and sensitivity, the establishment of precise detection standards and procedures, and the significance of bioinformatics software and platforms. We have compiled a list of pathogens analysis software/platforms/databases that boast robust engines and high accuracy for preference. We highlight the significance of analyses by combining targeted and non-targeted sequencing technologies, short and long reads technologies, sequencing technologies, and bioinformatic tools in pursuing upgraded biosafety in urban water systems.
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Affiliation(s)
- Yanmei Zhao
- State Key Laboratory of Urban Water Resource and Environment, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Fang Huang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Wenxiu Wang
- Department of Ocean Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, China.
| | - Rui Gao
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Lu Fan
- Department of Ocean Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Aijie Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China; State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Shu-Hong Gao
- State Key Laboratory of Urban Water Resource and Environment, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China.
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13
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Subirats J, Sharpe H, Tai V, Fruci M, Topp E. Metagenome meta-analysis reveals an increase in the abundance of some multidrug efflux pumps and mobile genetic elements in chemically polluted environments. Appl Environ Microbiol 2023; 89:e0104723. [PMID: 37728942 PMCID: PMC10617411 DOI: 10.1128/aem.01047-23] [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: 06/23/2023] [Accepted: 07/17/2023] [Indexed: 09/22/2023] Open
Abstract
Many human activities contaminate terrestrial and aquatic environments with numerous chemical pollutants that not only directly alter the environment but also affect microbial communities in ways that are potentially concerning to human health, such as selecting for the spread of antibiotic-resistance genes (ARGs) through horizontal gene transfer. In the present study, metagenomes available in the public domain from polluted (with antibiotics, with petroleum, with metal mining, or with coal-mining effluents) and unpolluted terrestrial and aquatic environments were compared to examine whether pollution has influenced the abundance and composition of ARGs and mobile elements, with specific focus on IS26 and class 1 integrons (intI1). When aggregated together, polluted environments had a greater relative abundance of ARGs than unpolluted environments and a greater relative abundance of IS26 and intI1. In general, chemical pollution, notably with petroleum, was associated with an increase in the prevalence of ARGs linked to multidrug efflux pumps. Included in the suite of efflux pumps were mexK, mexB, mexF, and mexW that are polyspecific and whose substrate ranges include multiple classes of critically important antibiotics. Also, in some instances, β-lactam resistance (TEM181 and OXA-541) genes increased, and genes associated with rifampicin resistance (RNA polymerases subunits rpoB and rpoB2) decreased in relative abundance. This meta-analysis suggests that different types of chemical pollution can enrich populations that carry efflux pump systems associated with resistance to multiple classes of medically critical antibiotics.IMPORTANCEThe United Nations has identified chemical pollution as being one of the three greatest threats to environmental health, through which the evolution of antimicrobial resistance, a seminally important public health challenge, may be favored. While this is a very plausible outcome of continued chemical pollution, there is little evidence or research evaluating this risk. The objective of the present study was to examine existing metagenomes from chemically polluted environments and evaluate whether there is evidence that pollution increases the relative abundance of genes and mobile genetic elements that are associated with antibiotic resistance. The key finding is that for some types of pollution, particularly in environments exposed to petroleum, efflux pumps are enriched, and these efflux pumps can confer resistance to multiple classes of medically important antibiotics that are typically associated with Pseudomonas spp. or other Gram-negative bacteria. This finding makes clear the need for more investigation on the impact of chemical pollution on the environmental reservoir of ARGs and their association with mobile genetic elements that can contribute to horizontal gene transfer events.
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Affiliation(s)
- Jessica Subirats
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, Spanish Council for Scientific Research (IDAEA-CSIC), Barcelona, Spain
| | - Hannah Sharpe
- Agriculture and Agri-Food Canada, London Research and Development Centre, London, Ontario, Canada
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - Vera Tai
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - Michael Fruci
- Agriculture and Agri-Food Canada, London Research and Development Centre, London, Ontario, Canada
- Department of Microbiology and Immunology, University of Western Ontario, London, Ontario, Canada
| | - Edward Topp
- Agriculture and Agri-Food Canada, London Research and Development Centre, London, Ontario, Canada
- Department of Biology, University of Western Ontario, London, Ontario, Canada
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14
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Tang L, Feng H, Luan X, Han Z, Yang M, Zhang Y. Occurrence, distribution, and behaviors of erythromycin A, production byproducts, transformation products, and resistance genes in a full-scale erythromycin A production wastewater treatment system. WATER RESEARCH 2023; 245:120640. [PMID: 37729694 DOI: 10.1016/j.watres.2023.120640] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/06/2023] [Accepted: 09/15/2023] [Indexed: 09/22/2023]
Abstract
Antibiotic production wastewater from pharmaceutical manufacturing is a significant source of antibiotic and resistance gene pollution in the environment. Given that Erythromycin A (Ery-A) is a widely used antibiotic in both human clinical and livestock breeding, it is imperative to ascertain its presence, along with related compounds, in the biological treatment processes of production wastewater. In this study, the occurrence and behavior of Ery-A, its production byproducts, transformation products, and resistance genes were first systematically investigated in a full-scale anaerobic-aerobic system for treating Ery-A production wastewater. Simultaneously, residual antibacterial activity in wastewater and sludge was evaluated throughout the wastewater treatment process. Ery-A contributes only 24.2 - 36.0% to the antibacterial activities. Ery-A-derived compounds including production byproducts (erythromycin B and erythromycin C) and transformation products (anhydro erythromycin A, N-demethyl-erythromycin A, and erythromycin A enol ether), are determined to contribute to the antibacterial activities of the wastewater treatment system. High concentrations of antibiotics with antibacterial activity (up to 1,258.9 mg/kg·TS for erythromycin A enol ether) adsorbed in the sludge result in near collapse of the first-stage anaerobic sludge system. Sludge biodegradation in second-stage anaerobic and anoxic-aerobic tanks is essential in removing Ery-A-related compounds from wastewater. The Ery-A-related compounds in the secondary effluent and excess sludge are determined to be 44.5 g/h and 1.5 g/h through the mass balance analysis, respectively. The discharge of MLS resistance genes from the secondary effluent and excess sludge is 1.0 × 1016 copies/h and 7.1 × 1015 copies/h, respectively. These findings highlight the significant concern over the release of Ery-A-related compounds and MLS resistance genes from the Ery-A production wastewater treatment system. As a result, it is crucial to implement strategies for the removal of Ery-A-related compounds from production wastewater before biological processes. This study is the first to report the occurrence and behavior of Ery-A-related compounds and resistance genes along the full-scale wastewater treatment processes. Additionally, it sheds light on the importance of byproducts and transformation products with antibacterial activity from Ery-A in the Ery-A production wastewater treatment system.
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Affiliation(s)
- Lan Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Haodi Feng
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Beijing, 100085, China
| | - Xiao Luan
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Ziming Han
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Yang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu Zhang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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15
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Zhao L, Lv Z, Lin L, Li X, Xu J, Huang S, Chen Y, Fu Y, Peng C, Cao T, Ke Y, Xia X. Impact of COVID-19 pandemic on profiles of antibiotic-resistant genes and bacteria in hospital wastewater. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122133. [PMID: 37399936 DOI: 10.1016/j.envpol.2023.122133] [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: 12/02/2022] [Revised: 06/21/2023] [Accepted: 07/01/2023] [Indexed: 07/05/2023]
Abstract
The COVID-19 pandemic has severely affected healthcare worldwide and has led to the excessive use of disinfectants and antimicrobial agents. However, the impact of excessive disinfection measures and specific medication prescriptions on the development and dissemination of bacterial drug resistance during the pandemic remains unclear. This study investigated the influence of the pandemic on the composition of antibiotics, antibiotic resistance genes (ARGs), and pathogenic communities in hospital wastewater using ultra-performance liquid chromatography-tandem mass spectrometry and metagenome sequencing. The overall level of antibiotics decreased after the COVID-19 outbreak, whereas the abundance of various ARGs increased in hospital wastewater. After COVID-19 outbreak, blaOXA, sul2, tetX, and qnrS had higher concentrations in winter than in summer. Seasonal factors and the COVID-19 pandemic have affected the microbial structure in wastewater, especially of Klebsiella, Escherichia, Aeromonas, and Acinetobacter. Further analysis revealed the co-existence of qnrS, blaNDM, and blaKPC during the pandemic. Various ARGs significantly correlated with mobile genetic elements, implying their potential mobility. A network analysis revealed that many pathogenic bacteria (Klebsiella, Escherichia, and Vibrio) were correlated with ARGs, indicating the existence of multi-drug resistant pathogens. Although the calculated resistome risk score did not change significantly, our results suggest that the COVID-19 pandemic shifted the composition of residual antibiotics and ARGs in hospital wastewater and contributed to the dissemination of bacterial drug resistance.
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Affiliation(s)
- Liang Zhao
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Ziquan Lv
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Liangqiang Lin
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Xiaowei Li
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Jian Xu
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Suli Huang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Yuhua Chen
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Yulin Fu
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Changfeng Peng
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Tingting Cao
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Yuebin Ke
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Xi Xia
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
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16
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Hao C, Rao F, Zhang Y, Wang H, Chen J, Wågberg T, Hu G. Low-temperature molten-salt synthesis of Co 3O 4 nanoparticles grown on MXene can rapidly remove ornidazole via peroxymonosulfate activation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:121811. [PMID: 37209900 DOI: 10.1016/j.envpol.2023.121811] [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: 01/29/2023] [Revised: 04/26/2023] [Accepted: 05/11/2023] [Indexed: 05/22/2023]
Abstract
We further developed previous work on MXene materials prepared using molten salt methodology. We substituted single, with mixed salts, and reduced the melting point from >724 °C to <360 °C. Cobalt (Co) compounds were simultaneously etched and doped while the MXene material was created using various techniques in which Co compounds occur as Co3O4. The synthesized Co3O4/MXene compound was used as a peroxymonosulfate (PMS) activator that would generate free radicals to degrade antibiotic ornidazole (ONZ). Under optimal conditions, almost 100% of ONZ (30 mg/L) was degraded within 10 min. The Co3O4/MXene + PMS system efficiently degraded ONZ in natural water bodies, and had a broad pH adaptation range (4-11), and strong anion anti-interference. We investigated how the four active substances were generated using radical quenching and electron paramagnetic resonance (EPR) spectroscopy. We identified 12 ONZ intermediates by liquid chromatography-mass spectrometry and propose a plausible degradative mechanism.
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Affiliation(s)
- Chenglin Hao
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China
| | - Fengling Rao
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China
| | - Yunqiu Zhang
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China
| | - Huaisheng Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Jianbin Chen
- Research Academy of Non-metallic Mining Industry Development, Materials and Environmental Engineering College, Chizhou University, Chizhou, 247000, China
| | - Thomas Wågberg
- Department of Physics, Umeå University, Umeå, 901 87, Sweden
| | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China.
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17
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Vergara-Luis I, Bocayá N, Irazola-Duñabeitia M, Zuloaga O, Lacuesta M, Olivares M, Prieto A. Multitarget and suspect screening of antimicrobials in soil and manure by means of QuEChERS - liquid chromatography tandem mass spectrometry. Anal Bioanal Chem 2023; 415:6291-6310. [PMID: 37610438 PMCID: PMC10558387 DOI: 10.1007/s00216-023-04905-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/24/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023]
Abstract
The present work aimed to develop an accurate analytical method for the simultaneous analysis of twenty-four antimicrobials in soil:compost and animal manure samples by means of ultra-high performance liquid chromatography coupled to a triple-quadrupole mass spectrometer (UHPLC-QqQ). For this purpose, the effectiveness of two extraction techniques (i.e. focused ultrasound solid-liquid extraction (FUSLE) and QuEChERS (quick, easy, cheap, effective, rugged and safe)) was evaluated, and the clean-up step using solid-phase extraction (SPE) was also thoroughly studied. The method was successfully validated at 10 μg·kg-1, 25 μg·kg-1, and 50 μg·kg-1 showing adequate trueness (70-130%) and repeatability (RSD < 30%), with few exceptions. Procedural limits of quantification (LOQPRO) were determined for soil:compost (0.45 to 7.50 μg·kg-1) and manure (0.31 to 5.53 μg·kg-1) samples. Pefloxacin could not be validated at the lowest level since LOQPRO ≥ 10 μg·kg-1. Sulfamethazine (7.9 ± 0.8 µg·kg-1), danofloxacin (27.1 ± 1.4 µg·kg-1) and trimethoprim (4.9 ± 0.5 µg·kg-1) were detected in soil samples; and tetracycline (56.8 ± 2.8 µg·kg-1), among other antimicrobials, in the plants grown on the surface of the studied soil samples. Similarly, sulfonamides (SAs), tetracyclines (TCs) and fluoroquinolones (FQs) were detected in sheep manure in a range of 1.7 ± 0.3 to 93.3 ± 6.8 µg·kg-1. Soil and manure samples were also analysed through UHPLC coupled to a high-resolution mass-spectrometer (UHPLC-qOrbitrap) in order to extend the multitarget method to suspect screening of more than 22,281 suspects. A specific transformation product (TP) of sulfamethazine (formyl-sulfamethazine) was annotated at 2a level in manure samples, among others. This work contributes to the efforts that have been made in the last decade to develop analytical methods that allow multitarget analysis of a wide variety of antimicrobials, including TPs, which is a complex task due to the diverse physicochemical properties of the antimicrobials.
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Affiliation(s)
- I Vergara-Luis
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain.
- Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain.
| | - N Bocayá
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain
| | - M Irazola-Duñabeitia
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain
- Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain
| | - O Zuloaga
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain
- Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain
| | - M Lacuesta
- Department of Plant Biology and Ecology, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Basque Country, Spain
| | - M Olivares
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain
- Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain
| | - A Prieto
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48490, Leioa, Basque Country, Spain
- Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain
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18
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Das MK, Das S, Srivastava PK. An overview on the prevalence and potential impact of antimicrobials and antimicrobial resistance in the aquatic environment of India. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1015. [PMID: 37530878 DOI: 10.1007/s10661-023-11569-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 06/28/2023] [Indexed: 08/03/2023]
Abstract
India at present is one of the leading countries in antimicrobial drug production and use, leading to increasing antimicrobial resistance (AMR) and public health problems. Attention has mainly been focused on the human and food animals' contribution to AMR neglecting the potential contribution of the perceptibly degraded aquatic environment in India. The paper reviews the available published literature in India on the prevalence of antimicrobial residues and their dissemination pathways in wastewater of pharmaceutical industries, sewage treatment plants, hospitals, riverine, community pond water, and groundwater. The prevalence of antimicrobial residue concentration, pathogenic and non-pathogenic bacteria antimicrobial resistant bacteria (ARB), their drug resistance levels, and their specific antimicrobial resistant genes (ARGs) occurring in various water matrices of India have been comprehensively depicted from existing literature. The concentration of some widely used antimicrobials recorded from the sewage treatment plants and hospital wastewater and rivers in India has been compared with other countries. The ecotoxicological risk posed by these antimicrobials in the various water matrices in India indicated high hazard quotient (HQ) values for pharmaceutical effluents, hospital effluents, and river water. The degraded aquatic environment exhibited the selection of a wide array of co-existent resistant genes for antibiotics and metals. The review revealed improper use of antibiotics and inadequate wastewater treatment as major drivers of AMR contaminating water bodies in India and suggestion for containing the challenges posed by AMR in India has been proposed.
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Affiliation(s)
- Manas Kumar Das
- Central Inland Fisheries Research Institute, Kolkata, West Bengal, 700120, India.
| | - Subhasree Das
- Department of Veterinary Biochemistry, Faculty of Veterinary and Animal Sciences, West Bengal University of Animal & Fishery Sciences, 37, K. B. Sarani, Belgachia, Kolkata, West Bengal, 700037, India
| | - Pankaj Kumar Srivastava
- Department of Aquaculture, DDU Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
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Bengtsson-Palme J, Abramova A, Berendonk TU, Coelho LP, Forslund SK, Gschwind R, Heikinheimo A, Jarquín-Díaz VH, Khan AA, Klümper U, Löber U, Nekoro M, Osińska AD, Ugarcina Perovic S, Pitkänen T, Rødland EK, Ruppé E, Wasteson Y, Wester AL, Zahra R. Towards monitoring of antimicrobial resistance in the environment: For what reasons, how to implement it, and what are the data needs? ENVIRONMENT INTERNATIONAL 2023; 178:108089. [PMID: 37441817 DOI: 10.1016/j.envint.2023.108089] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023]
Abstract
Antimicrobial resistance (AMR) is a global threat to human and animal health and well-being. To understand AMR dynamics, it is important to monitor resistant bacteria and resistance genes in all relevant settings. However, while monitoring of AMR has been implemented in clinical and veterinary settings, comprehensive monitoring of AMR in the environment is almost completely lacking. Yet, the environmental dimension of AMR is critical for understanding the dissemination routes and selection of resistant microorganisms, as well as the human health risks related to environmental AMR. Here, we outline important knowledge gaps that impede implementation of environmental AMR monitoring. These include lack of knowledge of the 'normal' background levels of environmental AMR, definition of high-risk environments for transmission, and a poor understanding of the concentrations of antibiotics and other chemical agents that promote resistance selection. Furthermore, there is a lack of methods to detect resistance genes that are not already circulating among pathogens. We conclude that these knowledge gaps need to be addressed before routine monitoring for AMR in the environment can be implemented on a large scale. Yet, AMR monitoring data bridging different sectors is needed in order to fill these knowledge gaps, which means that some level of national, regional and global AMR surveillance in the environment must happen even without all scientific questions answered. With the possibilities opened up by rapidly advancing technologies, it is time to fill these knowledge gaps. Doing so will allow for specific actions against environmental AMR development and spread to pathogens and thereby safeguard the health and wellbeing of humans and animals.
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Affiliation(s)
- Johan Bengtsson-Palme
- Division of Systems and Synthetic Biology, Department of Life Sciences, SciLifeLab, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Guldhedsgatan 10, SE-413 46 Gothenburg, Sweden; Centre for Antibiotic Resistance Research (CARe) in Gothenburg, Sweden.
| | - Anna Abramova
- Division of Systems and Synthetic Biology, Department of Life Sciences, SciLifeLab, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden; Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Guldhedsgatan 10, SE-413 46 Gothenburg, Sweden; Centre for Antibiotic Resistance Research (CARe) in Gothenburg, Sweden
| | - Thomas U Berendonk
- Institute of Hydrobiology, Technische Universität Dresden, Zellescher Weg 40, 01217 Dresden, Germany
| | - Luis Pedro Coelho
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China; MOE Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, and MOE Frontiers Center for Brain Science, Fudan University, Shanghai, China
| | - Sofia K Forslund
- Experimental and Clinical Research Center, a cooperation between the Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association and the Charité - Universitätsmedizin Berlin, Germany; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125 Berlin, Germany; Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany; Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Rémi Gschwind
- Université Paris Cité and Université Sorbonne Paris Nord, Inserm, IAME F-75018 Paris, France
| | - Annamari Heikinheimo
- University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, P.O.Box 66, FI-00014, Finland; Finnish Food Authority, P.O.Box 100, 00027 Seinäjoki, Finland
| | - Víctor Hugo Jarquín-Díaz
- Experimental and Clinical Research Center, a cooperation between the Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association and the Charité - Universitätsmedizin Berlin, Germany; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125 Berlin, Germany; Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Ayaz Ali Khan
- Department of Microbiology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; Department of Biotechnology, University of Malakand, Chakdara, Dir (Lower), Khyber Pakhtunkhwa, Pakistan
| | - Uli Klümper
- Institute of Hydrobiology, Technische Universität Dresden, Zellescher Weg 40, 01217 Dresden, Germany
| | - Ulrike Löber
- Experimental and Clinical Research Center, a cooperation between the Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association and the Charité - Universitätsmedizin Berlin, Germany; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125 Berlin, Germany; Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Marmar Nekoro
- Swedish Knowledge Centre on Pharmaceuticals in the Environment, Swedish Medical Products Agency, P.O Box 26, 751 03 Uppsala, Sweden
| | - Adriana D Osińska
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Paraclinical Sciences, P.O.Box 5003 NMBU, N-1432 Ås, Norway
| | - Svetlana Ugarcina Perovic
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China; MOE Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, and MOE Frontiers Center for Brain Science, Fudan University, Shanghai, China
| | - Tarja Pitkänen
- University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, P.O.Box 66, FI-00014, Finland; Finnish Institute for Health and Welfare, Expert Microbiology Unit, P.O.Box 95, FI-70701 Kuopio, Finland
| | | | - Etienne Ruppé
- Université Paris Cité and Université Sorbonne Paris Nord, Inserm, IAME F-75018 Paris, France
| | - Yngvild Wasteson
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Paraclinical Sciences, P.O.Box 5003 NMBU, N-1432 Ås, Norway
| | | | - Rabaab Zahra
- Department of Microbiology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
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Wu C, Zhang G, Zhang K, Sun J, Cui Z, Guo Y, Liu H, Xu W. Strong variation in sedimental antibiotic resistomes among urban rivers, estuaries and coastal oceans: Evidence from a river-connected coastal water ecosystem in northern China. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 342:118132. [PMID: 37263036 DOI: 10.1016/j.jenvman.2023.118132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 06/03/2023]
Abstract
Sediment is thought to be a vital reservoir to spread antibiotic resistance genes (ARGs) among various natural environments. However, the spatial distribution patterns of the sedimental antibiotic resistomes around the Bohai Bay region, a river-connected coastal water ecosystem, are still poorly understood. The present study conducted a comprehensive investigation of ARGs among urban rivers (UR), estuaries (ES) and Bohai Bay (BHB) by metagenomic sequencing. Overall, a total of 169 unique ARGs conferring resistance to 15 antimicrobial classes were detected across all sediment samples. The Kruskal-Wallis test showed that the diversity and abundance of ARGs in the UR were all significantly higher than those in the ES and BHB (p < 0.05 and p < 0.01), revealing the distance dilution of the sedimental resistomes from the river to the ocean. Multidrug resistance genes contained most of the ARG subtypes, whereas rifamycin resistance genes were the most abundant ARGs in this region. Our study demonstrated that most antimicrobial resistomes were highly accumulated in urban river sediments, whereas beta-lactamase resistance genes (mainly PNGM-1) dramatically increased away from the estuary to the open ocean. The relative abundance of mobile genetic elements (MGEs) also gradually decreased from rivers to the coastal ocean, whereas the difference in pathogenic bacteria was not significant in the three classifications. Among MGEs, plasmids were recognized as the most important carriers to support the horizontal gene transfer of ARGs within and between species. According to co-occurrence networks, pathogenic Proteobacteria, Actinobacteria, and Bacteroidetes were recognized as potential and important hosts of ARGs. Heavy metals, pH and moisture content were all recognized as the vital environmental factors influencing the distribution of ARGs in sediment samples. Overall, the present study may help to understand the distribution patterns of ARGs at a watershed scale, and help to make effective policies to control the emergence, spread and evolution of different ARG subtypes in different habitats.
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Affiliation(s)
- Chao Wu
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China
| | - Guicheng Zhang
- Research Centre for Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Kai Zhang
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, Macao, 999078, China
| | - Jun Sun
- Research Centre for Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin, 300457, China; Institute for Advanced Marine Research, China University of Geosciences, Guangzhou, 510635, China; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan, 430074, China.
| | - Zhengguo Cui
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, 266071, China.
| | - Yiyan Guo
- Research Centre for Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Haijiao Liu
- Research Centre for Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Wenzhe Xu
- Research Centre for Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin, 300457, China
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Srivastava A, Verma D. Urbanization led to the abundance of Gram-negative, chemo-organo-heterotrophs, and antibiotic resistance genes in the downstream regions of the Ganga River water of India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27552-7. [PMID: 37217817 DOI: 10.1007/s11356-023-27552-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 05/07/2023] [Indexed: 05/24/2023]
Abstract
The present investigation assesses the bacterial microbiome and antibiotic resistance genes (ARGs) of the river Ganga from Uttarakhand (upstream region; US group) and Uttar Pradesh (downstream region; DS group) regions using a 16S rRNA amplicon-based metagenomic approach. Gram-negative, aerobic, and chemo-organotrophic bacteria made up the majority of the bacterial genera during the overall analysis. Physicochemical analysis revealed a higher concentration of nitrate and phosphate in the downstream sites of the Ganga River. The prevalence of Gemmatimonas, Flavobacterium, Arenimonas, and Verrucomicrobia in the water of the DS region indicates a high organic load. Pseudomonas and Flavobacterium emerged as the most prevalent genera among the 35 significantly different shared genera (p-value < 0.05) in the US and DS regions, respectively. Overall antibiotic resistance analysis of the samples showed the dominance of β-lactam resistance (33.92%) followed by CAMP (cationic antimicrobial peptide) resistance (27.75%), and multidrug resistance (19.17%), vancomycin resistance (17.84%), and tetracycline resistance (0.77%). While comparing, the DS group exhibited a higher abundance of ARGs over the US group, where the CAMP resistance and β-lactam ARGs were dominant in the respective regions. The correlation (p-value < 0.05) analysis showed that most bacteria exhibit a significant correlation with tetracycline resistance followed by the phenicol antibiotic. The present findings draw attention to the need for regulated disposal of multiform human-derived wastes into the Ganga River to reduce the irrepressible ARGs dissemination.
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Affiliation(s)
- Ankita Srivastava
- Department of Environmental Microbiology, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, 226025, India
| | - Digvijay Verma
- Department of Environmental Microbiology, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, 226025, India.
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22
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Vijayan J, Nathan VK, Ammini P, Ammanamveetil AMH. Bacterial diversity in the aquatic system in India based on metagenome analysis-a critical review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:28383-28406. [PMID: 36680718 PMCID: PMC9862233 DOI: 10.1007/s11356-023-25195-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 01/04/2023] [Indexed: 04/16/2023]
Abstract
Microbial analysis has become one of the most critical areas in aquatic ecology and a crucial component for assessing the contribution of microbes in food web dynamics and biogeochemical processes. Initial research was focused on estimating the abundance and distribution of the microbes using microscopy and culture-based analysis, which are undoubtedly complex tasks. Over the past few decades, microbiologists have endeavored to apply and extend molecular techniques to address pertinent questions related to the function and metabolism of microbes in aquatic ecology. Metagenomics analysis has revolutionized aquatic ecology studies involving the investigation of the genome of a mixed community of organisms in an ecosystem to identify microorganisms, their functionality, and the discovery of novel proteins. This review discusses the metagenomics analysis of bacterial diversity in and around different aquatic systems in India.
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Affiliation(s)
- Jasna Vijayan
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Cochin, 682 016, Kerala, India.
| | - Vinod Kumar Nathan
- School of Chemical and Biotechnology, Sastra Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamilnadu, India
| | - Parvathi Ammini
- Department of Biotechnology, Cochin University of Science and Technology, Cochin, 682022, Kerala, India
| | - Abdulla Mohamed Hatha Ammanamveetil
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Cochin, 682 016, Kerala, India
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23
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Zhu L, Yuan L, Shuai XY, Lin ZJ, Sun YJ, Zhou ZC, Meng LX, Ju F, Chen H. Deciphering basic and key traits of antibiotic resistome in influent and effluent of hospital wastewater treatment systems. WATER RESEARCH 2023; 231:119614. [PMID: 36682238 DOI: 10.1016/j.watres.2023.119614] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
Hospital wastewater treatment system (HWTS) is an important source and environmental reservoir of clinically relevant antibiotic resistance genes (ARGs). However, how antibiotic resistome of clinical wastewater changed in HWTS is poorly understood. Herein, the basic quantitative traits (i.e., diversity and abundance) of ARGs in three HWTSs were profiled by metagenomics. In total, 709 ARG subtypes belonging to 20 ARG types were detected with relative abundance ranging from 1.12 × 10-5 to 7.33 × 10-1 copies/cell. Notably, most ARGs could not be significantly removed by chlorination treatment in the HWTS. These ARGs were identified to confer resistance to almost all major classes of antibiotics and include ARGs of last-resort antibiotics, such as blaNDM, mcr and tet(X) which were abundantly occurred in HWTS with 19, 5 and 7 variants, respectively. Moreover, qualitative analysis based on metagenome-assembled genome (MAG) analysis revealed that the putative hosts of the identified ARGs were broadly distributed into at least 8 dominant bacterial phyla. Of the 107 ARG-carrying MAGs recovered, 39 encoded multi-antibiotic resistance and 16 belonged to antibiotic resistant pathogens. Further analysis of co-occurrence patterns of ARGs with mobile genetic elements suggested their potential mobility. These key qualitative traits of ARGs provided further information about their phylogeny and genetic context. This study sheds light on the key traits of ARGs associated with resistance dissemination and pathogenicity and health risks of clinical wastewater.
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Affiliation(s)
- Lin Zhu
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, China
| | - Ling Yuan
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Research Center for Industries of the Future, Key Laboratory of Coastal Environment and Resources of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310030, China; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
| | - Xin-Yi Shuai
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ze-Jun Lin
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yu-Jie Sun
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhen-Chao Zhou
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ling-Xuan Meng
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Feng Ju
- Research Center for Industries of the Future, Key Laboratory of Coastal Environment and Resources of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310030, China; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China.
| | - Hong Chen
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, Zhejiang University, Hangzhou, China.
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24
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Semedo M, Song B. Sediment metagenomics reveals the impacts of poultry industry wastewater on antibiotic resistance and nitrogen cycling genes in tidal creek ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159496. [PMID: 36257428 DOI: 10.1016/j.scitotenv.2022.159496] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
The intensification of the poultry industry may lead to the increased spread of antibiotic resistance genes (ARGs) in the environment. However, the impacts of wastewater discharge from poultry processing plants on the sediment resistome are relatively unexplored. Furthermore, its relationships with important biogeochemical pathways, such as the N cycle, are virtually unknown. The overall objective of this study was to examine the abundance and diversity of antibiotic resistance and N cycling genes in sediment microbial communities impacted by poultry industry wastewater. We performed a metagenomic investigation of sediments in an impacted and a reference tidal creek. We also quantified the abundance of the clinical class 1 integron-integrase gene (intI1) through qPCR as a secondary marker of anthropogenic contamination. Abundance and diversity of ARGs were substantially higher in the impacted tidal creek, especially near the wastewater discharge. Abundances of ARGs conferring resistance to macrolides, tetracyclines, and streptogramins were also higher in the impacted creek than the reference creek. From the N cycling genes detected in the metagenomes, nrfA, the genetic marker for dissimilatory nitrate reduction to ammonia (DNRA), had the strongest positive relationship with the total abundance of ARGs, which may indicate an increased potential of eutrophication in ARG-impacted ecosystems due to nitrogen retention. This study demonstrates that wastewater discharge from a poultry processing plant can increase the spread of ARGs, which may result in negative impacts on ecosystem health.
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Affiliation(s)
- Miguel Semedo
- Department of Biological Sciences, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA 23062, USA; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal.
| | - Bongkeun Song
- Department of Biological Sciences, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA 23062, USA
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25
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Bhatt S, Chatterjee S. Fluoroquinolone antibiotics: Occurrence, mode of action, resistance, environmental detection, and remediation - A comprehensive review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120440. [PMID: 36265724 DOI: 10.1016/j.envpol.2022.120440] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 09/19/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Antibiotics play an essential role in the medical healthcare world, but their widespread usage and high prevalence have posed negative environmental consequences. During the past few decades, various antibiotic drugs have been detected in aquatic and terrestrial ecosystems. Among them, the Fluoroquinolones (FQ) group is ubiquitous in the environment and has emerged as a major environmental pollutant. FQs are very significant, broad-spectrum antibiotics used in treating various pathogenic diseases of humans and animals. The most known and used FQs are ciprofloxacin, norfloxacin, ofloxacin, levofloxacin, enrofloxacin, danofloxacin, and moxifloxacin. After human and animal administration, about 70% of these drugs are excreted out in unaltered form into the environment. Besides, wastewater discharge from pharmaceutical industries, hospitals, and agriculture runoff is the major contributor to the accumulation of FQs into the ecosystem. Their long-term presence in the environment creates selection pressure on microorganisms and contributes to the emergence of multi-drug-resistant bacteria. In addition to the resistance, these antibiotics also impose ecotoxicological effects on various animals and plant species. The presence of the fluorine atom in Fluoroquinolones makes them highly electronegative, strong, recalcitrant, and less compatible with microbial degradation. Many biological and chemical processes have been invented and successfully implemented during the past few decades for the elimination of these pollutants from the environment. This review provides a detailed overview of the classification, occurrence, distribution, and ecotoxicological effects of Fluoroquinolones. Their modes of action, resistance mechanism, detection and analysis methods, and remediation strategies have also been discussed in detail.
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Affiliation(s)
- Sunidhi Bhatt
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Academic Block, Shahpur District, Kangra, Himachal Pradesh, 176206, India
| | - Subhankar Chatterjee
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Academic Block, Shahpur District, Kangra, Himachal Pradesh, 176206, India; Bioremediation and Metabolomics Research Group, Dept. of Ecology & Environmental Sciences, School of Life Sciences, Pondicherry University, R.V. Nagar, Kalapet, Puducherry, 605 014, India.
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26
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Zhao Y, Zhang L, Tang X, Ren S, Zhang Y. Anthropogenic disturbance promotes the diversification of antibiotic resistance genes and virulence factors in the gut of plateau pikas (Ochotona curzoniae). Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.1027941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The prevalence and transmission of antibiotic resistance genes (ARGs) and virulence factors (VFs) pose a great threat to public health. The importance of pollution in determining the occurrence of ARGs and VFs in wildlife is poorly understood. Using a metagenomic approach, this study investigates the composition and functional pathways of bacteria, ARGs, and VFs in the gut microbiome of Plateau pikas in regions of medical pollution (MPR), heavy tourist traffic (HTR), and no contamination (NCR). We found that the abundance of probiotic genera (Clostridium, Eubacterium, Faecalibacterium, and Roseburia) were significantly lower in the HTR. The metabolic pathways of replication and repair in the endocrine and nervous systems were significantly enriched in the MPR, whereas endocrine and metabolic diseases were significantly enriched in the NCR. The Shannon and Gini–Simpson α-diversity indices of ARGs were highest in the HTR, and there were significant differences in β-diversity among the three regions. The resistance of ARGs to glycopeptide antibiotics increased significantly in the MPR, whereas the ARGs for aminocoumarins increased significantly in the HTR. The diversity of mobile genetic elements (MGEs) was significantly higher in the MPR than in other regions. We observed a strong positive correlation between ARGs and pathogenic bacteria, and the network structure was the most complex in the MPR. There were significant differences in the β-diversity of VFs among the three regions. Medical pollution led to significant enrichment of fibronectin-binding protein and PhoP, whereas tourism-related pollution (in the HTR) led to significant enrichment of LPS and LplA1. Our study indicates that environmental pollution can affect the structure and function of gut microbes and disseminate ARGs and VFs via horizontal transmission, thereby posing a threat to the health of wild animals.
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27
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Miranda CD, Concha C, Godoy FA, Lee MR. Aquatic Environments as Hotspots of Transferable Low-Level Quinolone Resistance and Their Potential Contribution to High-Level Quinolone Resistance. Antibiotics (Basel) 2022; 11:1487. [PMID: 36358142 PMCID: PMC9687057 DOI: 10.3390/antibiotics11111487] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 08/27/2023] Open
Abstract
The disposal of antibiotics in the aquatic environment favors the selection of bacteria exhibiting antibiotic resistance mechanisms. Quinolones are bactericidal antimicrobials extensively used in both human and animal medicine. Some of the quinolone-resistance mechanisms are encoded by different bacterial genes, whereas others are the result of mutations in the enzymes on which those antibiotics act. The worldwide occurrence of quinolone resistance genes in aquatic environments has been widely reported, particularly in areas impacted by urban discharges. The most commonly reported quinolone resistance gene, qnr, encodes for the Qnr proteins that protect DNA gyrase and topoisomerase IV from quinolone activity. It is important to note that low-level resistance usually constitutes the first step in the development of high-level resistance, because bacteria carrying these genes have an adaptive advantage compared to the highly susceptible bacterial population in environments with low concentrations of this antimicrobial group. In addition, these genes can act additively with chromosomal mutations in the sequences of the target proteins of quinolones leading to high-level quinolone resistance. The occurrence of qnr genes in aquatic environments is most probably caused by the release of bacteria carrying these genes through anthropogenic pollution and maintained by the selective activity of antimicrobial residues discharged into these environments. This increase in the levels of quinolone resistance has consequences both in clinical settings and the wider aquatic environment, where there is an increased exposure risk to the general population, representing a significant threat to the efficacy of quinolone-based human and animal therapies. In this review the potential role of aquatic environments as reservoirs of the qnr genes, their activity in reducing the susceptibility to various quinolones, and the possible ways these genes contribute to the acquisition and spread of high-level resistance to quinolones will be discussed.
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Affiliation(s)
- Claudio D. Miranda
- Laboratorio de Patobiología Acuática, Departamento de Acuicultura, Universidad Católica del Norte, Coquimbo 1780000, Chile
| | - Christopher Concha
- Laboratorio de Patobiología Acuática, Departamento de Acuicultura, Universidad Católica del Norte, Coquimbo 1780000, Chile
| | - Félix A. Godoy
- Centro i~mar, Universidad de Los Lagos, Puerto Montt 5480000, Chile
| | - Matthew R. Lee
- Centro i~mar, Universidad de Los Lagos, Puerto Montt 5480000, Chile
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28
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Karthik V, Selvakumar P, Senthil Kumar P, Satheeskumar V, Godwin Vijaysunder M, Hariharan S, Antony K. Recent advances in electrochemical sensor developments for detecting emerging pollutant in water environment. CHEMOSPHERE 2022; 304:135331. [PMID: 35709842 DOI: 10.1016/j.chemosphere.2022.135331] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/07/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
In the latest times, considerable studies have been performed closer to detecting emerging pollutant such as paracetamol in wastewater. Electrochemical sensor developments have recently started to determine in fewer concentrations effectively. The detection of paracetamol using standard protocols corresponding to electroanalytical techniques has a greater impact noticed in directing the detecting process toward biosensors. Non-enzymatic sensors are the peak of all electro analysis approaches. Functionalized materials, such as metal oxide nanoparticles, conducting polymers, and carbon-based materials for electrode surface functionalization have been used to create a fortification for distributing passive enzyme-free biosensors. Synergic effects are possible by enhancing loading capacity and mass transfer of reactants for attaining high analytical sensitivity using a variety of nanomaterials with large surface areas. The main focus of this study is to address the prevailing issues in the identification of paracetamol with the tasks in the non-enzymatic sensors field, followed by the useful methods of electro analysis studies.
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Affiliation(s)
- V Karthik
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - P Selvakumar
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama, 1888, Ethiopia
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, 140413, India.
| | - V Satheeskumar
- Department of Civil Engineering, Government College of Technology, Coimbatore, 641013, India
| | - M Godwin Vijaysunder
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - S Hariharan
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - K Antony
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
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Silva C, Cachada A, Gonçalves FJM, Nannou C, Lambropoulou D, Patinha C, Abrantes N, Pereira JL. Chemical characterization of riverine sediments affected by wastewater treatment plant effluent discharge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156305. [PMID: 35636541 DOI: 10.1016/j.scitotenv.2022.156305] [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: 02/03/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
This study was aimed at assessing the contribution of wastewater treatment effluents to the contamination profile of the sediments of receiving waterways. Three wastewater treatment plants (WWTP) were addressed, encompassing different population equivalent sizes, urbanization degrees and treatment methods translating differences in expected contamination patterns. Within each WWTP system, the assessment targeted the effluent and sediment samples collected upstream and downstream the effluent discharge point; contaminants belonging to several concerning chemical classes (metals and metalloids; pesticides; pharmaceuticals and personal care products, PPCPs; and polycyclic aromatic hydrocarbons, PAHs) were quantified both in effluent and sediment samples. Clear associations between contaminants present in the effluent and corresponding sediment samples were not always verified. In fact, a noticeable difference between the number or abundance of contaminants detected in effluents and in sediments, suggesting that effluents are not always the most likely source (e.g. PAHs). However, sediment contaminants that were likely sourced by the effluents were also identified (e.g. PPCPs). Sediment analysis offers an important historical view of contamination, especially in flowing recipient ecosystems where any characterization over the water matrix is ephemeral and linking exclusively to the moment of sampling. Hence, sediments should be considered for the establishment of WWTP operational benchmarks regulating the emission of contaminants, which is currently focused mostly on effluent composition thus potentially over/underestimating the longer-term impact of effluent discharge in the recipient waterways.
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Affiliation(s)
- Carlos Silva
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal; Department of Biology, University of Aveiro, Portugal
| | - Anabela Cachada
- CIIMAR-UP, Novo Edifício Do Terminal de Cruzeiros Do Porto de Leixões, Matosinhos, Portugal
| | - Fernando J M Gonçalves
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal; Department of Biology, University of Aveiro, Portugal
| | - Christina Nannou
- Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Balkan Center, Thessaloniki, Greece
| | - Dimitra Lambropoulou
- Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Balkan Center, Thessaloniki, Greece
| | - Carla Patinha
- Department of Geosciences & GEOBIOTEC, University of Aveiro, Portugal
| | - Nelson Abrantes
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal; Department of Environment and Planning, University of Aveiro, Portugal
| | - Joana Luísa Pereira
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal; Department of Biology, University of Aveiro, Portugal.
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30
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Hiller CX, Schwaller C, Wurzbacher C, Drewes JE. Removal of antibiotic microbial resistance by micro- and ultrafiltration of secondary wastewater effluents at pilot scale. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156052. [PMID: 35598662 DOI: 10.1016/j.scitotenv.2022.156052] [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: 03/01/2022] [Revised: 05/04/2022] [Accepted: 05/15/2022] [Indexed: 05/09/2023]
Abstract
Low-pressure membrane filtration was investigated at pilot scale with regard to its removal of antimicrobial resistance genes (ARGs) in conventional secondary treated wastewater plant effluents. While operating microfiltration (MF) and ultrafiltration (UF) membranes, key operational parameters for antimicrobial resistance (AMR) studies and key factors influencing AMR removal efficiencies of low-pressure membrane filtration processes were examined. The main factor for AMR removal was the pore size of the membrane. The formation of the fouling layer on capillary membranes had only a small additive effect on intra- and extrachromosomal ARG removal and a significant additive effect on mobile ARG removal. Using feeds with different ARGs abundances revealed that higher ARG abundance in the feed resulted in higher ARG abundance in the filtrate. Live-Dead cell counting in UF filtrate showed intact bacteria breaking through the UF membrane. Strong correlations between 16S rRNA genes (as surrogate for bacteria quantification) and the sul1 gene in UF filtrate indicated ARBs likely breaking through UF membranes.
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Affiliation(s)
- Christian X Hiller
- Chair of Urban Water Systems Engineering, Technical University of Munich, Germany
| | - Christoph Schwaller
- Chair of Urban Water Systems Engineering, Technical University of Munich, Germany
| | - Christian Wurzbacher
- Chair of Urban Water Systems Engineering, Technical University of Munich, Germany
| | - Jörg E Drewes
- Chair of Urban Water Systems Engineering, Technical University of Munich, Germany.
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The Resistome of ESKAPEE Pathogens in Untreated and Treated Wastewater: A Polish Case Study. Biomolecules 2022; 12:biom12081160. [PMID: 36009054 PMCID: PMC9405806 DOI: 10.3390/biom12081160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/11/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to quantify ESKAPEE bacteria, genes encoding resistance to antibiotics targeting this group of pathogens, as well as integrase genes in municipal wastewater and river water. Environmental DNA was extracted from the collected samples and used in deep sequencing with the Illumina TruSeq kit. The abundance of bacterial genera and species belonging to the ESKAPEE group, 400 ARGs associated with this microbial group, and three classes of integrase genes were determined. A taxonomic analysis revealed that Acinetobacter was the dominant bacterial genus, whereas Acinetobacter baumannii and Escherichia coli were the dominant bacterial species. The analyzed samples were characterized by the highest concentrations of the following ARGs: blaGES, blaOXA-58, blaTEM, qnrB, and qnrS. Acinetobacter baumannii, E. coli, and genes encoding resistance to β-lactams (blaVEB-1, blaIMP-1, blaGES, blaOXA-58, blaCTX-M, and blaTEM) and fluoroquinolones (qnrS) were detected in samples of river water collected downstream from the wastewater discharge point. The correlation analysis revealed a strong relationship between A. baumannii (bacterial species regarded as an emerging human pathogen) and genes encoding resistance to all tested groups of antimicrobials. The transmission of the studied bacteria (in particular A. baumannii) and ARGs to the aquatic environment poses a public health risk.
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Zhou L, Zhao Z, Shao L, Fang S, Li T, Gan L, Guo C. Predicting the abundance of metal resistance genes in subtropical estuaries using amplicon sequencing and machine learning. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113844. [PMID: 36068766 DOI: 10.1016/j.ecoenv.2022.113844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/24/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Heavy metals are a group of anthropogenic contaminants in estuary ecosystems. Bacteria in estuaries counteract the highly concentrated metal toxicity through metal resistance genes (MRGs). Presently, metagenomic technology is popularly used to study MRGs. However, an easier and less expensive method of acquiring MRG information is needed to deepen our understanding of the fate of MRGs. Thus, this study explores the feasibility of using a machine learning approach-namely, random forests (RF)-to predict MRG abundance based on the 16S rRNA amplicon sequenced datasets from subtropical estuaries in China. Our results showed that the total MRG abundance could be predicted by RF models using bacterial composition at different taxonomic levels. Among them, the relative abundance of bacterial phyla had the highest predicted accuracy (71.7 %). In addition, the RF models constructed by bacterial phyla predicted the abundance of six MRG types and nine MRG subtypes with substantial accuracy (R2 > 0.600). Five bacterial phyla (Firmicutes, Bacteroidetes, Patescibacteria, Armatimonadetes, and Nitrospirae) substantially determined the variations in MRG abundance. Our findings prove that RF models can predict MRG abundance in South China estuaries during the wet season by using the bacterial composition obtained by 16S rRNA amplicon sequencing.
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Affiliation(s)
- Lei Zhou
- College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Zelong Zhao
- Liaoning Key Lab of Germplasm Improvement and Fine Seed Breeding of Marine Aquatic animals, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China
| | - Liyi Shao
- College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Shiyun Fang
- College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Tongzhou Li
- College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Lihong Gan
- College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Chuanbo Guo
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.
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Fast and highly efficient liquid chromatographic methods for qualification and quantification of antibiotic residues from environmental waste. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cason C, D’Accolti M, Soffritti I, Mazzacane S, Comar M, Caselli E. Next-generation sequencing and PCR technologies in monitoring the hospital microbiome and its drug resistance. Front Microbiol 2022; 13:969863. [PMID: 35966671 PMCID: PMC9370071 DOI: 10.3389/fmicb.2022.969863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
The hospital environment significantly contributes to the onset of healthcare-associated infections (HAIs), which represent one of the most frequent complications occurring in healthcare facilities worldwide. Moreover, the increased antimicrobial resistance (AMR) characterizing HAI-associated microbes is one of the human health’s main concerns, requiring the characterization of the contaminating microbial population in the hospital environment. The monitoring of surface microbiota in hospitals is generally addressed by microbial cultural isolation. However, this has some important limitations mainly relating to the inability to define the whole drug-resistance profile of the contaminating microbiota and to the long time period required to obtain the results. Hence, there is an urgent need to implement environmental surveillance systems using more effective methods. Molecular approaches, including next-generation sequencing and PCR assays, may be useful and effective tools to monitor microbial contamination, especially the growing AMR of HAI-associated pathogens. Herein, we summarize the results of our recent studies using culture-based and molecular analyses in 12 hospitals for adults and children over a 5-year period, highlighting the advantages and disadvantages of the techniques used.
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Affiliation(s)
- Carolina Cason
- Department of Advanced Translational Microbiology, Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, Trieste, Italy
| | - Maria D’Accolti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, Section of Microbiology and LTTA, University of Ferrara, Ferrara, Italy
- CIAS Research Centre, University of Ferrara, Ferrara, Italy
| | - Irene Soffritti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, Section of Microbiology and LTTA, University of Ferrara, Ferrara, Italy
- CIAS Research Centre, University of Ferrara, Ferrara, Italy
| | | | - Manola Comar
- Department of Advanced Translational Microbiology, Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, Trieste, Italy
- Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Elisabetta Caselli
- Department of Chemical, Pharmaceutical and Agricultural Sciences, Section of Microbiology and LTTA, University of Ferrara, Ferrara, Italy
- CIAS Research Centre, University of Ferrara, Ferrara, Italy
- *Correspondence: Elisabetta Caselli,
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Liguori K, Keenum I, Davis BC, Calarco J, Milligan E, Harwood VJ, Pruden A. Antimicrobial Resistance Monitoring of Water Environments: A Framework for Standardized Methods and Quality Control. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9149-9160. [PMID: 35732277 DOI: 10.1080/10643389.2021.2024739] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Antimicrobial resistance (AMR) is a grand societal challenge with important dimensions in the water environment that contribute to its evolution and spread. Environmental monitoring could provide vital information for mitigating the spread of AMR; this includes assessing antibiotic resistance genes (ARGs) circulating among human populations, identifying key hotspots for evolution and dissemination of resistance, informing epidemiological and human health risk assessment models, and quantifying removal efficiencies by domestic wastewater infrastructure. However, standardized methods for monitoring AMR in the water environment will be vital to producing the comparable data sets needed to address such questions. Here we sought to establish scientific consensus on a framework for such standardization, evaluating the state of the science and practice of AMR monitoring of wastewater, recycled water, and surface water, through a literature review, survey, and workshop leveraging the expertise of academic, governmental, consulting, and water utility professionals.
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Affiliation(s)
- Krista Liguori
- The Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Ishi Keenum
- The Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Benjamin C Davis
- The Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Jeanette Calarco
- Department of Integrative Biology, University of South Florida, Tampa, Florida 33620, United States
| | - Erin Milligan
- The Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Valerie J Harwood
- Department of Integrative Biology, University of South Florida, Tampa, Florida 33620, United States
| | - Amy Pruden
- The Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
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36
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Liguori K, Keenum I, Davis BC, Calarco J, Milligan E, Harwood VJ, Pruden A. Antimicrobial Resistance Monitoring of Water Environments: A Framework for Standardized Methods and Quality Control. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9149-9160. [PMID: 35732277 PMCID: PMC9261269 DOI: 10.1021/acs.est.1c08918] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Antimicrobial resistance (AMR) is a grand societal challenge with important dimensions in the water environment that contribute to its evolution and spread. Environmental monitoring could provide vital information for mitigating the spread of AMR; this includes assessing antibiotic resistance genes (ARGs) circulating among human populations, identifying key hotspots for evolution and dissemination of resistance, informing epidemiological and human health risk assessment models, and quantifying removal efficiencies by domestic wastewater infrastructure. However, standardized methods for monitoring AMR in the water environment will be vital to producing the comparable data sets needed to address such questions. Here we sought to establish scientific consensus on a framework for such standardization, evaluating the state of the science and practice of AMR monitoring of wastewater, recycled water, and surface water, through a literature review, survey, and workshop leveraging the expertise of academic, governmental, consulting, and water utility professionals.
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Affiliation(s)
- Krista Liguori
- The
Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Ishi Keenum
- The
Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Benjamin C. Davis
- The
Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Jeanette Calarco
- Department
of Integrative Biology, University of South
Florida, Tampa, Florida 33620, United States
| | - Erin Milligan
- The
Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
| | - Valerie J. Harwood
- Department
of Integrative Biology, University of South
Florida, Tampa, Florida 33620, United States
| | - Amy Pruden
- The
Charles Edward Via, Jr., Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
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Mutuku C, Gazdag Z, Melegh S. Occurrence of antibiotics and bacterial resistance genes in wastewater: resistance mechanisms and antimicrobial resistance control approaches. World J Microbiol Biotechnol 2022; 38:152. [PMID: 35781751 PMCID: PMC9250919 DOI: 10.1007/s11274-022-03334-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/10/2022] [Indexed: 12/14/2022]
Abstract
Antimicrobial pharmaceuticals are classified as emergent micropollutants of concern, implying that even at low concentrations, long-term exposure to the environment can have significant eco-toxicological effects. There is a lack of a standardized regulatory framework governing the permissible antibiotic content for monitoring environmental water quality standards. Therefore, indiscriminate discharge of antimicrobials at potentially active concentrations into urban wastewater treatment facilities is rampant. Antimicrobials may exert selective pressure on bacteria, leading to resistance development and eventual health consequences. The emergence of clinically important multiple antibiotic-resistant bacteria in untreated hospital effluents and wastewater treatment plants (WWTPs) has been linked to the continuous exposure of bacteria to antimicrobials. The levels of environmental exposure to antibiotics and their correlation to the evolution and spread of resistant bacteria need to be elucidated to help in the formulation of mitigation measures. This review explores frequently detected antimicrobials in wastewater and gives a comprehensive coverage of bacterial resistance mechanisms to different antibiotic classes through the expression of a wide variety of antibiotic resistance genes either inherent and/or exchanged among bacteria or acquired from the reservoir of antibiotic resistance genes (ARGs) in wastewater systems. To complement the removal of antibiotics and ARGs from WWTPs, upscaling the implementation of prospective interventions such as vaccines, phage therapy, and natural compounds as alternatives to widespread antibiotic use provides a multifaceted approach to minimize the spread of antimicrobial resistance.
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Affiliation(s)
- Christopher Mutuku
- Department of General and Environmental Microbiology, Faculty of Sciences, University of Pécs, Ifjúság u. 6, Pecs, 7624, Hungary.
| | - Zoltan Gazdag
- Department of General and Environmental Microbiology, Faculty of Sciences, University of Pécs, Ifjúság u. 6, Pecs, 7624, Hungary
| | - Szilvia Melegh
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 7622, Pecs, Hungary
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Pattis I, Weaver L, Burgess S, Ussher JE, Dyet K. Antimicrobial Resistance in New Zealand-A One Health Perspective. Antibiotics (Basel) 2022; 11:antibiotics11060778. [PMID: 35740184 PMCID: PMC9220317 DOI: 10.3390/antibiotics11060778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/27/2022] [Accepted: 06/01/2022] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial resistance (AMR) is an increasing global threat that affects human, animal and, often less acknowledged, environmental health. This complex issue requires a multisectoral One Health approach to address the interconnectedness of humans, animals and the natural environment. The prevalence of AMR in these reservoirs varies widely among countries and thus often requires a country-specific approach. In New Zealand (NZ), AMR and antimicrobial usage in humans are relatively well-monitored and -understood, with high human use of antimicrobials and the frequency of resistant pathogens increasing in hospitals and the community. In contrast, on average, NZ is a low user of antimicrobials in animal husbandry systems with low rates of AMR in food-producing animals. AMR in New Zealand’s environment is little understood, and the role of the natural environment in AMR transmission is unclear. Here, we aimed to provide a summary of the current knowledge on AMR in NZ, addressing all three components of the One Health triad with a particular focus on environmental AMR. We aimed to identify knowledge gaps to help develop research strategies, especially towards mitigating AMR in the environment, the often-neglected part of the One Health triad.
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Affiliation(s)
- Isabelle Pattis
- Institute of Environmental Science and Research Ltd., Christchurch 8041, New Zealand
| | - Louise Weaver
- Institute of Environmental Science and Research Ltd., Christchurch 8041, New Zealand
| | - Sara Burgess
- School of Veterinary Science, Massey University, Palmerston North 4442, New Zealand
| | - James E Ussher
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Kristin Dyet
- Institute of Environmental Science and Research Ltd., Porirua 5022, New Zealand
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Babosan A, Gaschet M, Muggeo A, Jové T, Skurnik D, Ploy MC, de Champs C, Reffuveille F, Guillard T. A qnrD-Plasmid Promotes Biofilm Formation and Class 1 Integron Gene Cassette Rearrangements in Escherichia coli. Antibiotics (Basel) 2022; 11:antibiotics11060715. [PMID: 35740122 PMCID: PMC9220102 DOI: 10.3390/antibiotics11060715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 11/17/2022] Open
Abstract
Bacteria within biofilms may be exposed to sub-minimum inhibitory concentrations (sub-MICs) of antibiotics. Cell-to-cell contact within biofilms facilitates horizontal gene transfers and favors induction of the SOS response. Altogether, it participates in the emergence of antibiotic resistance. Aminoglycosides at sub-MICs can induce the SOS response through NO accumulation in E. coli carrying the small plasmid with the quinolone resistance qnrD gene (pDIJ09-518a). In this study, we show that in E. coli pDIJ09-518a, the SOS response triggered by sub-MICs of aminoglycosides has important consequences, promoting genetic rearrangement in class 1 integrons and biofilm formation. We found that the integrase expression was increased in E. coli carrying pDIJ09-518a in the presence of tobramycin, which was not observed for the WT isogenic strain that did not carry the qnrD-plasmid. Moreover, we showed that biofilm production was significantly increased in E. coli WT/pDIJ09-518a compared to the WT strain. However, such a higher production was decreased when the Hmp-NO detoxification pathway was fully functional by overexpressing Hmp. Our results showing that a qnrD-plasmid can promote biofilm formation in E. coli and potentiate the acquisition and spread of resistance determinants for other antibiotics complicate the attempts to counteract antibiotic resistance and prevention of biofilm development even further. We anticipate that our findings emphasize the complex challenges that will impact the decisions about antibiotic stewardship, and other decisions related to retaining antibiotics as effective drugs and the development of new drugs.
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Affiliation(s)
- Anamaria Babosan
- Inserm UMR-S 1250 P3Cell, SFR CAP-Santé, Université de Reims-Champagne-Ardenne, 51100 Reims, France; (A.B.); (A.M.); (C.d.C.)
| | - Margaux Gaschet
- Université de Limoges, Inserm, CHU Limoges, UMR-S 1092, 87032 Limoges, France; (M.G.); (T.J.); (M.-C.P.)
| | - Anaëlle Muggeo
- Inserm UMR-S 1250 P3Cell, SFR CAP-Santé, Université de Reims-Champagne-Ardenne, 51100 Reims, France; (A.B.); (A.M.); (C.d.C.)
- Laboratoire de Bactériologie-Virologie-Hygiène Hospitalière-Parasitologie-Mycologie, CHU Reims, Hôpital Robert Debré, Avenue du Général Koenig, CEDEX, 51092 Reims, France
| | - Thomas Jové
- Université de Limoges, Inserm, CHU Limoges, UMR-S 1092, 87032 Limoges, France; (M.G.); (T.J.); (M.-C.P.)
| | - David Skurnik
- Institut Necker-Enfants Malades, Inserm U1151-Equipe 11, Université Paris Descartes, 75015 Paris, France;
- Laboratoire de Bactériologie, AP-HP, Hôpital Necker-Enfants Malades, 75015 Paris, France
- Division of Infectious Diseases, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Marie-Cécile Ploy
- Université de Limoges, Inserm, CHU Limoges, UMR-S 1092, 87032 Limoges, France; (M.G.); (T.J.); (M.-C.P.)
| | - Christophe de Champs
- Inserm UMR-S 1250 P3Cell, SFR CAP-Santé, Université de Reims-Champagne-Ardenne, 51100 Reims, France; (A.B.); (A.M.); (C.d.C.)
- Laboratoire de Bactériologie-Virologie-Hygiène Hospitalière-Parasitologie-Mycologie, CHU Reims, Hôpital Robert Debré, Avenue du Général Koenig, CEDEX, 51092 Reims, France
| | - Fany Reffuveille
- EA 4691 BiOS, SFR CAP-Santé, Université de Reims Champagne-Ardenne, 51100 Reims, France;
| | - Thomas Guillard
- Inserm UMR-S 1250 P3Cell, SFR CAP-Santé, Université de Reims-Champagne-Ardenne, 51100 Reims, France; (A.B.); (A.M.); (C.d.C.)
- Laboratoire de Bactériologie-Virologie-Hygiène Hospitalière-Parasitologie-Mycologie, CHU Reims, Hôpital Robert Debré, Avenue du Général Koenig, CEDEX, 51092 Reims, France
- Correspondence: ; Tel.: +33-3-26-78-32-10; Fax: +33-3-26-78-41
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Miroshnichenko NA, Lvov NI. New approaches to the treatment of acute respiratory viral infections and the prevention of bacterial complications: A review. CONSILIUM MEDICUM 2022. [DOI: 10.26442/20751753.2022.3.201509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The article discusses the current problems of the treatment of acute respiratory infections, excessive use of antibiotics and the growth of resistance to them, which is ahead of the development of effective antimicrobial drugs. The results of the research of a new drug (Rafamin) are presented. Rafamin is combining antiviral and antibacterial effects, and may be in demand both for the treatment of acute respiratory viral infections and for the prevention of bacterial complications. The mechanism of action of the drug is associated with the activation of immune mechanisms involved in the recognition of pathogens of both viral and bacterial nature and the launch of a subsequent humoral and cellular response that ensures the elimination of the pathogen. The effects of Rafamin are realized due to targeted effects on the system of the major histocompatibility complex, interferon gamma and CD4-receptor of T-lymphocytes.
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Qin Y, Guo Z, Huang H, Zhu L, Dong S, Zhu YG, Cui L, Huang Q. Widespread of Potential Pathogen-Derived Extracellular Vesicles Carrying Antibiotic Resistance Genes in Indoor Dust. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:5653-5663. [PMID: 35438977 DOI: 10.1021/acs.est.1c08654] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Extracellular vesicles (EVs) are newly recognized as important vectors for carrying and spreading antibiotic resistance genes (ARGs). However, the ARGs harbored by EVs in ambient environments and the transfer potential are still unclear. In this study, the prevalence of ARGs and mobile genetic elements (MGEs) in EVs and their microbial origins were studied in indoor dust from restaurants, kindergarten, dormitories, and vehicles. The amount of EVs ranged from 3.40 × 107 to 1.09 × 1011 particles/g dust. The length of EV-associated DNA fragments was between 21 bp and 9.7 kb. Metagenomic sequencing showed that a total of 241 antibiotic ARG subtypes encoding resistance to 16 common classes were detected in the EVs from all four fields. Multidrug, quinolone, and macrolide resistance genes were the dominant types. 15 ARG subtypes were exclusively carried and even enriched in EVs compared to the indoor microbiome. Moreover, several ARGs showed co-occurrence with MGEs. The EVs showed distinct taxonomic composition with their original dust microbiota. 30.23% of EV-associated DNA was predicted to originate from potential pathogens. Our results indicated the widespread of EVs carrying ARGs and virulence genes in daily life indoor dust, provided new insights into the status of extracellular DNA, and raised risk concerns on their gene transfer potential.
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Affiliation(s)
- Yifei Qin
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zihan Guo
- Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Haining Huang
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Liting Zhu
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sijun Dong
- Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Yong-Guan Zhu
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Li Cui
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Qiansheng Huang
- Xiamen Key Laboratory of Indoor Air and Health, Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- National Basic Science Data Center, Beijing 100190, China
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Yao Y, Liu Z, Yip KK, Pu Y, Cheng W, Li M, Habimana O. Cross-regional scale pollution of freshwater biofilms unveiled by antibiotic resistance genes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151835. [PMID: 34822887 DOI: 10.1016/j.scitotenv.2021.151835] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
A comprehensive global profile of the distribution of ARGs in freshwater biofilms is lacking. We utilized metagenomic approaches to reveal the diversity, abundance, transferability and hosts of ARGs in 96 freshwater biofilm samples from 38 sampling sites across four countries. The abundant ARGs were associated with bacitracin, multidrug, polymyxin macrolide-lincosamide-streptogramin (MLS) aminoglycoside, β-lactam, chloramphenicol, sulfonamide and tetracycline resistance, consistent with the spectrum of antibiotics commonly used in human or veterinary medicine. As expected, the resistome in freshwater biofilm habitats was significantly influenced by geographical location and human footprint. Based on the co-occurrence pattern revealed by network analysis, mdtC, kdpE, and emrB were proposed as ARG indicators in freshwater biofilms that can be used to evaluate the abundance of 46 other co-occurring ARG subtypes quantitatively. Metagenomic assembly analysis revealed that the identified ARGs were hosted by more than 46 bacterial phyla, including various pathogens, which greatly expands the knowledge of resistome diversity in freshwater biofilms. Our study points to the central roles of biofilms in harbouring ARGs. The results could enhance understanding the distribution of ARGs in freshwater habitats, thereby strengthening the global environmental risk assessment and management of ARGs.
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Affiliation(s)
- Yuan Yao
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Zongbao Liu
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, China
| | - Ka Kin Yip
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Yang Pu
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Wenda Cheng
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Meng Li
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| | - Olivier Habimana
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; The University Hong Kong Shenzhen Institute of Research and Innovation (HKU-SIRI), Shenzhen, Guangdong Province, China.
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Wang J, Zhang Y, Ding Y, Song H, Liu T. Analysis of microbial community resistance mechanisms in groundwater contaminated with SAs and high NH 4+-Fe-Mn. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:153036. [PMID: 35026256 DOI: 10.1016/j.scitotenv.2022.153036] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 05/05/2023]
Abstract
The resistance mechanism of microbial communities in contaminated groundwater under the combined stress of sulfonamide antibiotics (SAs), NH4+, and Fe-Mn exceeding the standard levels was studied in an agricultural area along the Songhua River in Northeast China with developed livestock and poultry breeding. Representative points were selected in the study area to explore the response of environmental parameters and microbial communities, and microscopic experiments with different SA concentrations were conducted with background groundwater. The results showed a complex relationship between microbial communities and environmental factors. The environmental factors SM, SM2, SMX, DOC, NO3-, Fe, Mn, and HCO3- significantly affected the microbial community, with SMX, DOC, and Mn having the greatest effect. Three types of antibiotics with similar properties had different effects on the microbial community, and these effects were not simply additive or superimposed. After adding SAs, Proteobacteria with multi-resistance (99.85%) became the dominant phylum, and Acinetobacter (98.68%) became the dominant genus with SA resistance. SAs have a significant influence on bacterial chemotaxis, transporters, substance transport, and metabolism. Microorganisms resist the influence of SAs via a series of resistance mechanisms, such as enhancing the synthesis of relevant enzymes, generating new biochemical reactions, and reducing the transport of harmful substances through cell membranes. We also found that the proportion of exogenous compound degradation and metabolism-related functional genes in the presence of high SA concentrations increased significantly, which may be related to the degradation of SAs by microorganisms.
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Affiliation(s)
- Jili Wang
- Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, People's Republic of China; College of New Energy and Environment, Jilin University, Changchun 130021, People's Republic of China; Institute of Water Resources and Environment, Jilin University, Changchun 130021, People's Republic of China
| | - Yuling Zhang
- Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, People's Republic of China; College of New Energy and Environment, Jilin University, Changchun 130021, People's Republic of China; Institute of Water Resources and Environment, Jilin University, Changchun 130021, People's Republic of China.
| | - Yang Ding
- Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, People's Republic of China; College of New Energy and Environment, Jilin University, Changchun 130021, People's Republic of China; Institute of Water Resources and Environment, Jilin University, Changchun 130021, People's Republic of China
| | - Hewei Song
- Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, People's Republic of China; College of New Energy and Environment, Jilin University, Changchun 130021, People's Republic of China; Institute of Water Resources and Environment, Jilin University, Changchun 130021, People's Republic of China
| | - Ting Liu
- Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, People's Republic of China; College of New Energy and Environment, Jilin University, Changchun 130021, People's Republic of China; Institute of Water Resources and Environment, Jilin University, Changchun 130021, People's Republic of China
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Aydın S, Ulvi A, Bedük F, Aydın ME. Pharmaceutical residues in digested sewage sludge: Occurrence, seasonal variation and risk assessment for soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:152864. [PMID: 34998750 DOI: 10.1016/j.scitotenv.2021.152864] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 05/23/2023]
Abstract
The occurrences, temporal variations and ecotoxicological risks of 38 selected pharmaceuticals from 7 therapeutic classes (i.e. antibiotics, analgesics, anti-inflammatories, beta-blockers, lipid regulators, anticancer agents, and psychiatric drugs) have been observed in the anaerobically treated sludge of the urban wastewater treatment plant (WWTP) in Konya, Turkey. Sampling was carried out to assess the seasonal variations in one year. The total daily wastewater flow rate of the WWTP was approximately 200,000 m3/day, and 140 tons/day of treated sludge were produced. The total concentrations of all pharmaceutical compounds ranged from 280 to 4898 μg/kg of dry matter (dm). The dominant therapeutic class was analgesics and anti-inflammatories (49%), which was followed by antibiotics (31%). Clarithromycin and azithromycin were the most abundant compounds, with concentrations of 1496 μg/kg dm. The total daily pharmaceutical load in the treated sludge was as high as 1.002 kg/day in the winter season, while the annual pharmaceutical mass load that was discharged into the environment was estimated to be approximately 71.6 kg. The use of treated sludge as fertilizer in agricultural lands causes continuous contamination of the terrestrial environment by pharmaceuticals. Five antibiotics (i.e., azithromycin, clarithromycin, erythromycin, sulfamethoxazole, and doxycycline), one analgesic (acetylsalicylic acid) and one beta-blocker (atenolol) in the digested sludge pose acute and short chronic high risks to environment. The highest short chronic risk in the digested sludge-amended soils was determined for azithromycin (RQ: 54.9). To reduce the potential environmental impact of pharmaceuticals, digested sludge should be monitored in terms of the pharmaceutical contents before being applied to soil.
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Affiliation(s)
- Senar Aydın
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey.
| | - Arzu Ulvi
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey
| | - Fatma Bedük
- Necmettin Erbakan University, Department of Environmental Engineering, Konya, Turkey
| | - Mehmet Emin Aydın
- Necmettin Erbakan University, Department of Civil Engineering, Konya, Turkey
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Dong X, Shi P, Liu W, Bai J, Bian L. Metallo-beta-lactamase CphA evolving into more efficient hydrolases through gene mutation is a novel pathway for the resistance of super bacteria. Appl Microbiol Biotechnol 2022; 106:2471-2480. [PMID: 35316383 DOI: 10.1007/s00253-022-11879-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 02/07/2022] [Accepted: 03/05/2022] [Indexed: 11/02/2022]
Abstract
The evolution of metallo-beta-lactamase CphA in discontinuous gradient concentration of imipenem was investigated in this work. The results suggested that single-base mutations K218R, K249T, K249M, Q253H, and a frameshift mutation M1 were observed. Compared with wild type, the minimum inhibitory concentration (MICs) of K249T, K249M, and M1 increased by at least 128 times and that of K218R increased by 64 times. And the catalytic efficiency increased by 312% and 653%, respectively. It is speculated from the details of the structural changes revealed by molecular dynamics simulations that the carbon skeleton migration caused by the outward motion of the loop 3 in the mutant may have significantly increased the cavity volume of the binding pocket, which is more conducive to the entry and expulsion of imipenem and its hydrolytic product. And the conformational change of the TDRAGGN (71-77) is located at the bottom of the binding pocket from order α-helix to disorder random coil enabled the binding pocket to be more conducive to accommodate and hold the imipenem respectively. All these indicated that during the repeated drug resistance, the wild-type achieved gene mutations and conformational change and evolved to the mutant enzymes with a more delicate structure and stronger hydrolysis ability. KEY POINTS: • The mutation and evolution of CphA under the selective pressure of imipenem. • The CphA evolved to the mutants with stronger hydrolysis capacity. • A novel pathway for the resistance of super bacteria.
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Affiliation(s)
- Xiaoting Dong
- College of Life Science, Northwest University, 229 Taibai Bei Road, Xi'an, 710069, Shaan'xi Province, China
| | - Penghui Shi
- College of Life Science, Northwest University, 229 Taibai Bei Road, Xi'an, 710069, Shaan'xi Province, China
| | - Wenli Liu
- College of Life Science, Northwest University, 229 Taibai Bei Road, Xi'an, 710069, Shaan'xi Province, China
| | - Jiakun Bai
- College of Life Science, Northwest University, 229 Taibai Bei Road, Xi'an, 710069, Shaan'xi Province, China
| | - Liujiao Bian
- College of Life Science, Northwest University, 229 Taibai Bei Road, Xi'an, 710069, Shaan'xi Province, China.
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Zhou L, Xu P, Gong J, Huang S, Chen W, Fu B, Zhao Z, Huang X. Metagenomic profiles of the resistome in subtropical estuaries: Co-occurrence patterns, indicative genes, and driving factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 810:152263. [PMID: 34896510 DOI: 10.1016/j.scitotenv.2021.152263] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 12/04/2021] [Accepted: 12/04/2021] [Indexed: 06/14/2023]
Abstract
Estuaries are resistome hotspots owing to resistome accumulation and propagation at these locations from surrounding rivers, yet the large-scale biogeographic pattern of resistome, especially biocide and metal resistance genes (BMRGs) and its driving mechanisms in estuarine waters remains to be elucidated. Here, a metagenomics-based approach was firstly used to investigate resistome and mobilome profiles in waters from 30 subtropical estuaries, South China. The Pearl River estuaries had a higher diversity and abundance of antibiotic resistance genes (ARGs), BMRGs, and mobile genetic elements (MGEs) when compared with estuaries from east and west regions. Genes resistant to multiple antibiotics, metals, and biocides were the most abundant gene types in the resistome. The abundance of MGEs (e.g., intI1, IS91, and tnpA) was highly associated with the total abundance of resistance genes, suggesting their utility as potential indicators for quantitative estimations of the resistome contamination. Further, MGEs contributed more than bacterial communities in shaping the resistome in subtropical estuaries. Physicochemical factors (e.g., pH) regulated MGE composition and stochastic assembly, which mediated the co-selection of ARGs and BMRGs via horizontal gene transfer. Our findings have important implications and provide a reference on the management of ARGs and BMRGs in subtropical estuarine ecosystems.
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Affiliation(s)
- Lei Zhou
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Peng Xu
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, College of Marine Sciences, Beibu Gulf University, Qinzhou 535011, China
| | - Jiayi Gong
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Shihui Huang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Wenjian Chen
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Binwei Fu
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China
| | - Zelong Zhao
- Liaoning Key Lab of Germplasm Improvement and Fine Seed Breeding of Marine Aquatic animals, Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China.
| | - Xiande Huang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, 510642 Guangzhou, China.
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Li J, Phulpoto IA, Guo L, Zeng J, Yu Z. Grassland ecology system: A critical reservoir and dissemination medium of antibiotic resistance in Xilingol Pasture, Inner Mongolia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:150985. [PMID: 34662621 DOI: 10.1016/j.scitotenv.2021.150985] [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: 06/23/2021] [Revised: 10/11/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
Antibiotic resistance is a major threat to human health. It is necessary to explore all the potential sources and comprehend the pathways that antibiotic resistance genes (ARGs) are transmitted. In this study, by applying high-throughput quantitative PCR and high-throughput sequencing, ARGs and microbial community structure were determined, to understand the reservoirs and spread of ARGs in the Xilingol grassland system. A total of 151,140 and 138 different ARGs were observed in manure, soil, and water samples, respectively. Only 12 ARGs were shared in all environmental and animal manure samples. Multidrug defense system, such as efflux pump, was the most dominant factor in manure and soil samples, followed by antibiotic deactivation processes. These genes coffering resistance to major classes of antibiotics including β_Lactamase (blaSFO, fox5, blaCTX-M-04, blaOXY), vancomycin (vanC-03, vanXD), MLSB (vatE-01, mphA-01), aminoglycoside (aadA2-01), Multidrug (oprJ) and others (oprD, qacEdelta1-02), except sulfonamide and tetracycline. The 12 ARGs were significantly enriched in water samples compared to manure and soil samples (p < 0.01) and demonstrated that the water environment was an important transmission source of ARGs in the grassland. The highest enrichment was up to 324.5-fold. Moreover, the 12 shared ARGs were positively correlated with the mobile genetic elements (p < 0.01). The nonrandom co-occurrence network patterns between ARGs and microbial community suggested that a total of three bacterial phyla were viewed as the potential ARGs hosts. These findings indicate that ARGs were highly enriched in water samples, demonstrating that the water environment was a critical source and sink of ARGs in the grassland system. It may illuminate the mechanism stressing the effects of human activity on the occurrence and transmission of ARGs in the grassland system.
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Affiliation(s)
- Jinmei Li
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; RCEES-IMCAS-UCAS Joint-Lab of Microbial Technology for Environmental Science, Beijing 100049, China
| | - Irfan Ali Phulpoto
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; RCEES-IMCAS-UCAS Joint-Lab of Microbial Technology for Environmental Science, Beijing 100049, China
| | - Lizheng Guo
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Jie Zeng
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Zhisheng Yu
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; RCEES-IMCAS-UCAS Joint-Lab of Microbial Technology for Environmental Science, Beijing 100049, China.
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Zhang C, Wang D, He W, Liu H, Chen J, Wei X, Mu J. Sesuvium portulacastrum-Mediated Removal of Nitrogen and Phosphorus Affected by Sulfadiazine in Aquaculture Wastewater. Antibiotics (Basel) 2022; 11:antibiotics11010068. [PMID: 35052945 PMCID: PMC8773351 DOI: 10.3390/antibiotics11010068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/29/2021] [Accepted: 01/04/2022] [Indexed: 02/04/2023] Open
Abstract
Plant-based removal of nitrogen (N) and phosphorus (P) from water bodies is an important method for remediation of aquaculture wastewater. In order to acquire knowledge as to how antibiotic residues in wastewater might affect the microbial community and plant uptake of N and P, this study investigated N and P removal by a coastal plant Sesuvium portulacastrum L. grown in aquaculture wastewater treated with 0, 1, 5, or 50 mg/L sulfonamide antibiotics (sulfadiazine, SD) for 28 days and compared the microbial community structure between the water and rhizosphere. Results showed that SD significantly decreased N removal rates from 87.5% to 22.1% and total P removal rates from 99.6% to 85.5%. Plant fresh weights, root numbers, and moisture contents as well as activities of some enzymes in leaves were also reduced. SD changed the microbial community structure in water, but the microbial community structure in the rhizosphere was less affected by SD. The microbial diversity in water was higher than that in the rhizosphere, indicating microbial community differences. Our results showed that the commonly used antibiotic, SD, in aquaculture can inhibit plant growth, change the structure of microbial community, and reduce the capacity of S. portulacastrum plants to remove N and P from wastewater, and also raised alarm about detrimental effects of antibiotic residues in phytoremediation of wastewater.
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Affiliation(s)
- Chaoyue Zhang
- Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China; (C.Z.); (D.W.); (W.H.)
- College Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Dan Wang
- Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China; (C.Z.); (D.W.); (W.H.)
| | - Weihong He
- Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China; (C.Z.); (D.W.); (W.H.)
| | - Hong Liu
- College Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Jianjun Chen
- Environmental Horticulture Department, Mid-Florida Research and Education Center, Institute of Food and Agricultural Science, University of Florida, 2725 Binion Road, Apopka, FL 32703, USA;
| | - Xiangying Wei
- Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China; (C.Z.); (D.W.); (W.H.)
- Correspondence: (X.W.); (J.M.)
| | - Jingli Mu
- Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China; (C.Z.); (D.W.); (W.H.)
- Correspondence: (X.W.); (J.M.)
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Zhou J, Yun X, Wang J, Li Q, Wang Y. A review on the ecotoxicological effect of sulphonamides on aquatic organisms. Toxicol Rep 2022; 9:534-540. [PMID: 35371922 PMCID: PMC8971571 DOI: 10.1016/j.toxrep.2022.03.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/07/2022] [Accepted: 03/26/2022] [Indexed: 12/25/2022] Open
Abstract
Antibiotics are extensively used to treat human and animal diseases and are especially used in animal production to promote the growth performance of livestock and aquatic animals. Sulphonamides, as important drugs for aquatic animals, are often used in aquaculture to prevent and treat diseases. However, various antibiotics found in the aquatic environment exhibit varying degrees of toxicity to aquatic organisms. Antibiotics in wastewater produced in industrial and agricultural processes are not thoroughly removed by sewage treatment and are released into water, which results in varying degrees of pollution of the surrounding water environment, forcing people to pay attention towards the ecosystem. Several studies have investigated the impact of antibiotics on aquatic organisms in water environment; however, only a few studies have investigated the underlying mechanism. Antibiotics persisting in an aquatic environment for a long time can cause genotoxicity and histopathological changes in various aquatic organisms. Therefore, this paper reviews the sources of antibiotics in aquatic environment, the pollution status of sulfonamides in aquatic environment at home and abroad, and focuses on the research status of ecotoxicological effects of sulfonamides on aquatic organisms. Because there are not only antibiotic pollution, but also many other pollutants, such as heavy metals, micro plastics and other chemicals, it will be a challenge to determine the combined effects of antibiotics or other pollutants on aquatic organisms in future environmental toxicity studies. Sulphonamides are ubiquitously detected in the water environment. Sulfamethoxazole is one of the least efficient antibiotics removed in wastewater treatment plants. Interaction of sulphonamides with other antibiotics needs more attention. Multigeneration studies related to the water environment are needed.
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50
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COSTA LETÍCIADAF, FALCÃO DAIANEA, GRASSOTTI TIELAT, CHRISTIANO FRANCIELED, FRAZZON JEVERSON, FRAZZON ANAPAULAG. Antimicrobial resistance of enterococci isolated from food in South Brazil: Comparing pre- and post-RDC 20/2011. AN ACAD BRAS CIENC 2022; 94:e20201765. [DOI: 10.1590/0001-3765202220201765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/15/2021] [Indexed: 11/22/2022] Open
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