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Wanyan R, Pan M, Mai Z, Xiong X, Wang S, Han Q, Yu Q, Wang G, Wu S, Li H. Fate of high-risk antibiotic resistance genes in large-scale aquaculture sediments: Geographical differentiation and corresponding drivers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167068. [PMID: 37714353 DOI: 10.1016/j.scitotenv.2023.167068] [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: 07/04/2023] [Revised: 08/22/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
Antibiotic resistance genes (ARGs), emerging environmental contaminants, have become challenges of public health security. However, the distribution and drivers of ARGs, especially high-risk ARGs, in large-scale aquaculture sediments remain unknown. Here, we collected sediment samples from 40 crayfish ponds in seven main crayfish culture provinces in China and then investigated the distribution and risk of ARGs based on high-throughput sequencing and quantitative PCR techniques. Our results suggested that aquaculture sediment was potential reservoir of ARGs and the abundance of aadA-02 was the highest. High-risk ARG (floR) was also prevalent in the sediment and was the most abundant in Jiangsu Province, where opportunistic pathogens were also enriched. The abundance of floR was positively correlated with different environmental factors, such as total phosphorus in water and total carbon in sediment. In addition, Mycobacterium sp., opportunistic pathogenic bacteria, might be potential host for floR. Furthermore, the potential propagation pathway of ARGs was from sediment to crayfish gut, and Bacteroidetes and Proteobacteria might be the main bacterial groups responsible for the proliferation of ARGs. Generally, our results illustrate that pond sediment may be an ARG reservoir of aquatic animals. Meanwhile, our study helps develop valuable strategies for accessing risks and managing ARGs.
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Affiliation(s)
- Ruijun Wanyan
- School of Public Health, Lanzhou University, Lanzhou 730000, China; Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Meijing Pan
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Zhan Mai
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiong Xiong
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sijie Wang
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Qian Han
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Qiaoling Yu
- State Key Laboratory of Grassland Agro-ecosystems, Center for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Gansu 730000, China
| | - Guitang Wang
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shangong Wu
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Huan Li
- School of Public Health, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Grassland Agro-ecosystems, Center for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Gansu 730000, China.
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Perez-Bou L, Muñoz-Palazon B, Gonzalez-Lopez J, Gonzalez-Martinez A, Correa-Galeote D. Deciphering the Role of WWTPs in Cold Environments as Hotspots for the Dissemination of Antibiotic Resistance Genes. MICROBIAL ECOLOGY 2023; 87:14. [PMID: 38091083 DOI: 10.1007/s00248-023-02325-4] [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: 09/03/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023]
Abstract
Cold environments are the most widespread extreme habitats in the world. However, the role of wastewater treatment plants (WWTPs) in the cryosphere as hotspots in antibiotic resistance dissemination has not been well established. Hence, a snapshot of the resistomes of WWTPs in cold environments, below 5 °C, was provided to elucidate their role in disseminating antibiotic resistance genes (ARGs) to the receiving waterbodies. The resistomes of two natural environments from the cold biosphere were also determined. Quantitative PCR analysis of the aadA, aadB, ampC, blaSHV, blaTEM, dfrA1, ermB, fosA, mecA, qnrS, and tetA(A) genes indicated strong prevalences of these genetic determinants in the selected environments, except for the mecA gene, which was not found in any of the samples. Notably, high abundances of the aadA, ermB, and tetA(A) genes were found in the influents and activated sludge, highlighting that WWTPs of the cryosphere are critical hotspots for disseminating ARGs, potentially worsening the resistance of bacteria to some of the most commonly prescribed antibiotics. Besides, the samples from non-disturbed cold environments had large quantities of ARGs, although their ARG profiles were highly dissimilar. Hence, the high prevalences of ARGs lend support to the fact that antibiotic resistance is a common issue worldwide, including environmentally fragile cold ecosystems.
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Affiliation(s)
- Lizandra Perez-Bou
- Department of Microbiology and Virology, Faculty of Biology, University of Havana, Havana, Cuba
- Microbiology and Environmental Technologies Section, Water Research Institute, University of Granada, Granada, Spain
| | - Barbara Muñoz-Palazon
- Microbiology and Environmental Technologies Section, Water Research Institute, University of Granada, Granada, Spain
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain
| | - Jesus Gonzalez-Lopez
- Microbiology and Environmental Technologies Section, Water Research Institute, University of Granada, Granada, Spain
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain
| | - Alejandro Gonzalez-Martinez
- Microbiology and Environmental Technologies Section, Water Research Institute, University of Granada, Granada, Spain
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain
| | - David Correa-Galeote
- Microbiology and Environmental Technologies Section, Water Research Institute, University of Granada, Granada, Spain.
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain.
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Wang YF, Cai TG, Liu ZL, Cui HL, Zhu D, Qiao M. A new insight into the potential drivers of antibiotic resistance gene enrichment in the collembolan gut association with antibiotic and non-antibiotic agents. JOURNAL OF HAZARDOUS MATERIALS 2023; 451:131133. [PMID: 36889073 DOI: 10.1016/j.jhazmat.2023.131133] [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: 12/05/2022] [Revised: 02/24/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Effects of non-antibiotic pharmaceuticals on antibiotic resistance genes (ARGs) in soil ecosystem are still unclear. In this study, we explored the microbial community and ARGs variations in the gut of the model soil collembolan Folsomia candida following soil antiepileptic drug carbamazepine (CBZ) contamination, while comparing with antibiotic erythromycin (ETM) exposure. Results showed that, CBZ and ETM all significantly influenced ARGs diversity and composition in the soil and collembolan gut, increasing the relative abundance of ARGs. However, unlike ETM, which influences ARGs via bacterial communities, exposure to CBZ may have primarily facilitated enrichment of ARGs in gut through mobile genetic elements (MGEs). Although soil CBZ contamination did not pose an effect on the gut fungal community of collembolans, it increased the relative abundance of animal fungal pathogens contained therein. Soil ETM and CBZ exposure both significantly increased the relative abundance of Gammaproteobacteria in the collembolan gut, which may be used to indicate soil contamination. Together, our results provide a fresh perspective for the potential drivers of non-antibiotic drugs on ARG changes based on the actual soil environment, revealing the potential ecological risk of CBZ on soil ecosystems involving ARGs dissemination and pathogens enrichment.
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Affiliation(s)
- Yi-Fei Wang
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Tian-Gui Cai
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Zhe-Lun Liu
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hui-Ling Cui
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dong Zhu
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Min Qiao
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Anedda E, Farrell ML, Morris D, Burgess CM. Evaluating the impact of heavy metals on antimicrobial resistance in the primary food production environment: A scoping review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121035. [PMID: 36623784 DOI: 10.1016/j.envpol.2023.121035] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Heavy metals are naturally occurring environmental compounds, which can influence antimicrobial resistance (AMR) dissemination. However, there is limited information on how heavy metals may act as a selective pressure on AMR in the primary food production environment. This review aims to examine the literature on this topic in order to identify knowledge gaps. A total of 73 studies, which met pre-established criteria, were included. These investigations were undertaken between 2008 and 2021, with a significant increase in the last three years. The majority of studies included were undertaken in China. Soil, water and manure were the most common samples analysed, and the sampling locations varied from areas with a natural presence of heavy metals, areas intentionally amended with heavy metals or manure, to areas close to industrial activity or mines. Fifty-four per cent of the investigations focused on the analysis of four or more heavy metals, and copper and zinc were the metals most frequently analysed (n = 59, n = 49, respectively). The findings of this review highlight a link between heavy metals and AMR in the primary food production environment. Heavy metals impacted the abundance and dissemination of mobile genetic elements (MGEs) and antimicrobial resistance genes (ARGs), with MGEs also observed as playing a key role in the spread of ARGs and metal resistance genes (MRGs). Harmonization of methodologies used in future studies would increase the opportunity for comparison between studies. Further research is also required to broaden the availability of data at a global level.
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Affiliation(s)
- Elena Anedda
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, University of Galway, Ireland; Food Safety Department, Teagasc Food Research Centre Ashtown, Dublin, Ireland.
| | - Maeve Louise Farrell
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, University of Galway, Ireland; Centre for One Health, Ryan Institute, University of Galway, Ireland.
| | - Dearbháile Morris
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, University of Galway, Ireland; Centre for One Health, Ryan Institute, University of Galway, Ireland.
| | - Catherine M Burgess
- Food Safety Department, Teagasc Food Research Centre Ashtown, Dublin, Ireland.
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Xu C, Zhou G, Lu J, Shen C, Dong Z, Yin S, Li F. Spatio-vertical distribution of riverine microplastics: Impact of the textile industry. ENVIRONMENTAL RESEARCH 2022; 211:112789. [PMID: 35271835 DOI: 10.1016/j.envres.2022.112789] [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: 11/01/2021] [Revised: 01/09/2022] [Accepted: 01/19/2022] [Indexed: 06/14/2023]
Abstract
Microplastics (MPs) contamination in rivers and lakes is of paramount environmental importance as freshwater systems transport MPs from land to ocean. However, information regarding the spatio-vertical distributions of MPs in rivers, and their associations with surrounding industrial activities, is scarce and unclear. This study investigated MPs in the Taipu River, where there is a highly developed textile industry in Yangtze River Delta, China. Results showed a widespread occurrence of MPs particles with concentrations in the range of 0.65-6.07 items/L and 0.30-3.63 items/L in surface and bottom waters. A higher abundance of MPs was observed in surface waters than in bottom waters (t = 5.423, p = 0.024). The MPs distributions varied markedly in space, with the highest abundances being found in textile manufacturing zones as a consequence of industrial release (F = 14.642, p < 0.001). Transparent fibers were the major MPs compositions with 100-500 μm in size. Polyethylene terephthalate (PET) accounted for 71.4% and 59.73% of the total MPs identified in surface and bottom water, respectively. These PET polymers were predominantly presented in "fibrous" shapes, further reflecting the point sources of textile wastewater. Moreover, polyvinyl acetate (PVAC), used as fabric coating and resin matrix to form nonwoven fabrics, was firstly highlighted at a watershed scale. Although risk assessments revealed a light to moderate risks of MPs in the Taipu River, textile wastewater appears to cause a high "grey water" footprint and increase the risks of MPs pollution from textile life-cycle production. This study bridged gaps between field data and policy-making for MPs control and shed insight into the cleaner production of the textile industry.
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Affiliation(s)
- Chenye Xu
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Gang Zhou
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Jiawei Lu
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Chensi Shen
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Zhiqiang Dong
- Municipal Environmental Protection Engineering Co., Ltd of CERC Shanghai Group, Shanghai, 201906, China
| | - Shanshan Yin
- Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou, 310015, China.
| | - Fang Li
- College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China.
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