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Nayiga S, MacPherson EE, Mankhomwa J, Nasuwa F, Pongolani R, Kabuleta R, Kesby M, Dacombe R, Hilton S, Grace D, Feasey N, Chandler CI. "Arming half-baked people with weapons!" Information enclaving among professionals and the need for a care-centred model for antibiotic use information in Uganda, Tanzania and Malawi. Glob Health Action 2024; 17:2322839. [PMID: 38441912 PMCID: PMC10916894 DOI: 10.1080/16549716.2024.2322839] [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: 06/28/2023] [Accepted: 02/21/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND The overuse of antimicrobial medicines is a global health concern, including as a major driver of antimicrobial resistance. In many low- and middle-income countries, a substantial proportion of antibiotics are purchased over-the-counter without a prescription. But while antibiotics are widely available, information on when and how to use them is not. OBJECTIVE We aimed to understand the acceptability among experts and professionals of sharing information on antibiotic use with end users - patients, carers and farmers - in Uganda, Tanzania and Malawi. METHODS Building on extended periods of fieldwork amongst end-users and antibiotic providers in the three countries, we conducted two workshops in each, with a total of 44 medical and veterinary professionals, policy makers and drug regulators, in December 2021. We carried out extensive documentary and literature reviews to characterise antibiotic information systems in each setting. RESULTS Participants reported that the general public had been provided information on medicine use in all three countries by national drug authorities, health care providers and in package inserts. Participants expressed concern over the danger of sharing detailed information on antibiotic use, particularly that end-users are not equipped to determine appropriate use of medicines. Sharing of general instructions to encourage professionally-prescribed practices was preferred. CONCLUSIONS Without good access to prescribers, the tension between enclaving and sharing of knowledge presents an equity issue. Transitioning to a client care-centred model that begins with the needs of the patient, carer or farmer will require sharing unbiased antibiotic information at the point of care.
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Affiliation(s)
- Susan Nayiga
- Infectious Diseases Research Collaboration, Kampala, Uganda
| | - Eleanor E MacPherson
- Research and Innovation Services, University of Glasgow, Glasgow, UK
- Malawi-Liverpool-Wellcome Research Programme, Blantyre, Malawi
| | - John Mankhomwa
- Malawi-Liverpool-Wellcome Research Programme, Blantyre, Malawi
| | | | | | - Rita Kabuleta
- Infectious Diseases Research Collaboration, Kampala, Uganda
| | - Mike Kesby
- School of Geography & Sustainable Development, University of St Andrews, St Andrews, UK
| | - Russell Dacombe
- Research and Innovation Services, University of Glasgow, Glasgow, UK
| | - Shona Hilton
- MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
| | - Delia Grace
- Natural Resources Institute, University of Greenwich, Chatham, UK
- International Livestock Research Institute, Nairobi, Kenya
| | - Nicholas Feasey
- Malawi-Liverpool-Wellcome Research Programme, Blantyre, Malawi
- The School of Medicine, University of St Andrews, St Andrews, UK
| | - Clare I.R. Chandler
- Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK
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Jiang T, Wu W, Ma M, Hu Y, Li R. Occurrence and distribution of emerging contaminants in wastewater treatment plants: A globally review over the past two decades. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175664. [PMID: 39173760 DOI: 10.1016/j.scitotenv.2024.175664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/20/2024] [Accepted: 08/18/2024] [Indexed: 08/24/2024]
Abstract
Emerging contaminants are pervasive in aquatic environments globally, encompassing pharmaceuticals, personal care products, steroid hormones, phenols, biocides, disinfectants and various other compounds. Concentrations of these contaminants are detected ranging from ng/L to μg/L. Even at trace levels, these contaminants can pose significant risks to ecosystems and human health. This article systematically summarises and categorizes data on the concentrations of 54 common emerging contaminants found in the influent and effluent of wastewater treatment plants across various geographical regions: North America, Europe, Oceania, Africa, and Asia. It reviews the occurrence and distribution of these contaminants, providing spatial and causal analyses based on data from these regions. Notably, the maximum concentrations of the pollutants observed vary significantly across different regions. The data from Africa, in particular, show more frequent detection of pharmaceutical maxima in wastewater treatment plants.
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Affiliation(s)
- Tingting Jiang
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing 100048, China; College of Water Conservancy and Architectural Engineering, Shihezi University, Shihezi, Xinjiang 832000, China
| | - Wenyong Wu
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing 100048, China; College of Water Conservancy and Architectural Engineering, Shihezi University, Shihezi, Xinjiang 832000, China.
| | - Meng Ma
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing 100048, China
| | - Yaqi Hu
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing 100048, China
| | - Ruoxi Li
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing 100048, China
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Yuan H, Xu J, Wang Y, Shi L, Dong Y, Liu F, Long J, Duan G, Jin Y, Chen S, Zhu J, Yang H. The longitudinal trend and influential factors exploring of global antimicrobial resistance in Klebsiella pneumoniae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 950:175357. [PMID: 39127203 DOI: 10.1016/j.scitotenv.2024.175357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 08/01/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
Klebsiella pneumoniae (Kp) is a human symbiotic opportunistic pathogen capable of causing severe hospital-based infections and community-acquired infections. The problem of antimicrobial resistance (AMR) has become increasing serious over time, posing a major threat to socio-economic and human development. In this study, we explored the global trend of AMR in 1786 strains of Kp isolated between 1982 and 2023. The number of antibiotic resistance genes (ARGs) in Kp increased significantly from 24.29 ± 5.44 to 32.42 ± 8.52 over time. Mobile genetic elements (MGEs) were responsible for the ARGs horizontal transfer of Kp strains. The results of structural equation modeling (SEM) indicated a strong association between the human development index and the increase of antibiotic consumption, which indirectly affected the occurrence and development of antibiotic resistance in Kp. The results of Generalized Linear Models (GLM) indicated that the influence of environmental factors such as temperature on the development of Kp resistance could not be ignored. Overall, this study monitored the longitudinal trend of antimicrobial resistance in Kp, explored the factors influencing antibiotic resistance, and provided insights for mitigating the threat of antimicrobial resistance.
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Affiliation(s)
- Haitao Yuan
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Jie Xu
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Ying Wang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Liqin Shi
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yuehan Dong
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fang Liu
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Jinzhao Long
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Guangcai Duan
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yuefei Jin
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Shuaiyin Chen
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Jingyuan Zhu
- Department of Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Haiyan Yang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
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4
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Qi X, Qin JY, Ru S, Xiong JQ. Functional characterization of a novel Chlamydomonas reinhardtii hydrolase involved in biotransformation of chloramphenicol. WATER RESEARCH 2024; 265:122285. [PMID: 39167975 DOI: 10.1016/j.watres.2024.122285] [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: 07/05/2024] [Revised: 08/10/2024] [Accepted: 08/15/2024] [Indexed: 08/23/2024]
Abstract
Microalgae-based biotechnology is one of the most promising alternatives to conventional methods for the removal of antibiotic contaminants from diverse water matrices. However, current knowledge regarding the biochemical mechanisms and catabolic enzymes involved in microalgal biodegradation of antibiotics is scant, which limits the development of enhancement strategies to increase their engineering feasibility. In this study, we investigated the removal dynamics of amphenicols (chloramphenicol, thiamphenicol, and florfenicol), which are widely used in aquaculture, by Chlamydomonas reinhardtii under different growth modes (autotrophy, heterotrophy, and mixotrophy). We found C. reinhardtii removed >92 % chloramphenicol (CLP) in mixotrophic conditions. Intriguingly, gamma-glutamyl hydrolase (GGH) in C. reinhardtii was most significantly upregulated according to the comparative proteomics, and we demonstrated that GGH can directly bind to CLP at the Pro77 site to induce acetylation of the hydroxyl group at C3 position, which generated CLP 3-acetate. This identified role of microalgal GGH is mechanistically distinct from that of animal counterparts. Our results provide a valuable enzyme toolbox for biocatalysis and reveal a new enzymatic function of microalgal GGH. As proof of concept, we also analyzed the occurrence of these three amphenicols and their degradation intermediate worldwide, which showed a frequent distribution of the investigated chemicals at a global scale. This study describes a novel catalytic enzyme to improve the engineering feasibility of microalgae-based biotechnologies. It also raises issues regarding the different microalgal enzymatic transformations of emerging contaminants because these enzymes might function differently from their counterparts in animals.
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Affiliation(s)
- Xin Qi
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao 266003, Shandong, China
| | - Jing-Yu Qin
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao 266003, Shandong, China
| | - Jiu-Qiang Xiong
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao 266003, Shandong, China.
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5
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Wang X, Chen Q, Pang R, Zhang C, Huang G, Han Z, Su Y. Exposure modes determined the effects of nanomaterials on antibiotic resistance genes: The different roles of oxidative stress and quorum sensing. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 360:124772. [PMID: 39168438 DOI: 10.1016/j.envpol.2024.124772] [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: 07/01/2024] [Revised: 08/09/2024] [Accepted: 08/17/2024] [Indexed: 08/23/2024]
Abstract
The effects of co-occurrent pollutants on antibiotic resistance genes (ARGs) in wastewater treatment plants (WWTPs) have raised attentions. However, how the different realistic exposure scenarios determining the effects of nanomaterials (NMs) on ARGs, was still unknown. Herein, the effects of NMs on ARGs under two realistic scenarios was investigated by short-term and long-term exposure modes. The presence of NMs with two different exposure modes could both promote the dissemination of ARGs, and the results were dose-, type- and duration-dependent. Compared to short-term exposure, the long-term exposure increased the abundances of ARGs with a greater extent except nano-ZnO. The long-term exposure increased the overall abundances of target ARGs by 2.9%-20.4%, while shot-term exposure caused the 3.4%-10.5% increment. The mechanisms of ARGs fates driven by NMs exposure were further investigated from the levels of microbial community shift, intracellular oxidative stress, and gene abundance. The variations of several potential bacterial hosts did not contribute to the difference in the ARGs transmission with different exposure modes because NMs types played more vital roles in the shift of microbial community compared to the exposure modes. For the short-term exposure, NMs were capable of triggering the QS by upregulating relevant genes, and further activated the production of surfactin and increased membrane permeability, resulting in the facilitation of ARGs transfer. However, NMs under long-term exposure scenario preferentially stimulated oxidative stress by generating more ROS, which then enhanced ARGs dissemination. Therefore, the exposure mode of NMs was one of the pivotal factors determining the ARGs fates by different triggering mechanisms. This study highlighted the importance of exposure scenario of co-occurrent pollutants on ARGs spread, which will benefit the comprehensive understanding of the actual environmental fates of ARGs.
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Affiliation(s)
- Xueting Wang
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Qirui Chen
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Ruirui Pang
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Congyan Zhang
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Guangchen Huang
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Zhibang Han
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Yinglong Su
- Shanghai Engineering Research Center of Biotransformation on Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China; Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, East China Normal University, Shanghai, 200241, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
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6
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Wu X, Jia W, Fang Z, Sun H, Wang G, Liu L, Zheng M, Chen G. Cyanobacteria mediate the dissemination of bacterial antibiotic resistance through conjugal transfer. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 359:124592. [PMID: 39047887 DOI: 10.1016/j.envpol.2024.124592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 07/18/2024] [Accepted: 07/20/2024] [Indexed: 07/27/2024]
Abstract
Cyanobacterial blooms are expanding world-wide in freshwater and marine environments, and can cause serious ecological and environmental issues, which also contribute to the spread of antibiotic resistance genes (ARGs). However, the mechanistic understanding of cyanobacteria-mediated resistance dynamics is not fully elucidated yet. We selected Microcystis aeruginosa as a model cyanobacteria to illustrate how cyanobacteria mediate the evolution and transfer processes of bacterial antibiotic resistance. The results show that the presence of cyanobacteria significantly decreased the abundance of antibiotic resistant bacteria (ARB) and antibiotic resistant genes (ARGs) by 3%-99% and 2%-18%, respectively. In addition, it clearly altered bacterial community structure, with the dominant genera evolving from Acinetobacter (27%) and Enterobacter (42%) to Porphyrobacter (59%). The abundance of ARGs positively correlated with Proteobacteria and Firmicutes, rather than Cyanobacteria, and Bacteroidetes. In the presence of cyanobacteria, the transfer events of bacterial resistance genes via conjugation were found to decrease by 10%-89% (p < 0.05). Surprisingly, we found an extradentary high transfer frequency (about 0.1) for the ARGs via plasmid conjugation from the bacteria into M. aeruginosa population. It confirmed the role of cyanobacterial population as the competent hosts to facilitate ARGs spreading. Our findings provide valuable information on the risk evaluation of ARGs caused by cyanobacterial blooms in aquatic environments, key for the protection and assessment of aquatic environmental quality.
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Affiliation(s)
- Xuefei Wu
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Wei Jia
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Zhipeng Fang
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hualong Sun
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Gang Wang
- Department of Soil and Water Sciences, China Agricultural University, Beijing, 100193, China
| | - Li Liu
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Mengqi Zheng
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Guowei Chen
- Department of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
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7
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Liu M, Wu J, Zhao J, Xi Y, Jin Y, Yang H, Chen S, Long J, Duan G. Global epidemiology and genetic diversity of mcr-positive Klebsiella pneumoniae: A systematic review and genomic analysis. ENVIRONMENTAL RESEARCH 2024; 259:119516. [PMID: 38950813 DOI: 10.1016/j.envres.2024.119516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/25/2024] [Accepted: 06/29/2024] [Indexed: 07/03/2024]
Abstract
The rapid increase of mcr-positive Klebsiella pneumoniae (K. pneumoniae) has received considerable attention and poses a major public health concern. Here, we systematically analyzed the global distribution of mcr-positive K. pneumoniae isolates based on published articles as well as publicly available genomes. Combining strain information from 78 articles and 673 K. pneumoniae genomes, a total of 1000 mcr-positive K. pneumoniae isolates were identified. We found that mcr-positive K. pneumoniae has disseminated widely worldwide, especially in Asia, with a higher diversity of sequence types (STs). These isolates were disseminated in 57 countries and were associated with 12 different hosts. Most of the isolates were found in China and were isolated from human sources. Moreover, MLST analysis showed that ST15 and ST11 accounted for the majority of mcr-positive K. pneumoniae, which deserve sustained attention in further surveillance programs. mcr-1 and mcr-9 were the dominant mcr variants in mcr-positive K. pneumoniae. Furthermore, a Genome-wide association study (GWAS) demonstrated that mcr-1- and mcr-9-producing genomes exhibited different antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs), thereby indicating a distinct evolutionary path. Notably, the phylogenetic analysis suggested that certain mcr-positive K. pneumoniae genomes from various geographical areas and hosts harbored a high degree of genetic similarities (<20 SNPs), suggesting frequent cross-region and cross-host clonal transmission. Overall, our results emphasize the significance of monitoring and exploring the transmission and evolution of mcr-positive K. pneumoniae in the context of "One health".
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Affiliation(s)
- Mengyue Liu
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Jie Wu
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Jiaxue Zhao
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Yanyan Xi
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Yuefei Jin
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Haiyan Yang
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Shuaiyin Chen
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Jinzhao Long
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China.
| | - Guangcai Duan
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
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Haque MA, Nath ND, Johnston TV, Haruna S, Ahn J, Ovissipour R, Ku S. Harnessing biotechnology for penicillin production: Opportunities and environmental considerations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174236. [PMID: 38942308 DOI: 10.1016/j.scitotenv.2024.174236] [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: 03/26/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 06/30/2024]
Abstract
Since the discovery of antibiotics, penicillin has remained the top choice in clinical medicine. With continuous advancements in biotechnology, penicillin production has become cost-effective and efficient. Genetic engineering techniques have been employed to enhance biosynthetic pathways, leading to the production of new penicillin derivatives with improved properties and increased efficacy against antibiotic-resistant pathogens. Advances in bioreactor design, media formulation, and process optimization have contributed to higher yields, reduced production costs, and increased penicillin accessibility. While biotechnological advances have clearly benefited the global production of this life-saving drug, they have also created challenges in terms of waste management. Production fermentation broths from industries contain residual antibiotics, by-products, and other contaminants that pose direct environmental threats, while increased global consumption intensifies the risk of antimicrobial resistance in both the environment and living organisms. The current geographical and spatial distribution of antibiotic and penicillin consumption dramatically reveals a worldwide threat. These challenges are being addressed through the development of novel waste management techniques. Efforts are aimed at both upstream and downstream processing of antibiotic and penicillin production to minimize costs and improve yield efficiency while lowering the overall environmental impact. Yield optimization using artificial intelligence (AI), along with biological and chemical treatment of waste, is also being explored to reduce adverse impacts. The implementation of strict regulatory frameworks and guidelines is also essential to ensure proper management and disposal of penicillin production waste. This review is novel because it explores the key remaining challenges in antibiotic development, the scope of machine learning tools such as Quantitative Structure-Activity Relationship (QSAR) in modern biotechnology-driven production, improved waste management for antibiotics, discovering alternative path to reducing antibiotic use in agriculture through alternative meat production, addressing current practices, and offering effective recommendations.
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Affiliation(s)
- Md Ariful Haque
- Department of Food Science and Technology, Texas A&M University, College Station, USA.
| | - Nirmalendu Deb Nath
- Department of Biomedical and Diagnostic Sciences, University of Tennessee, Knoxville, USA.
| | - Tony Vaughn Johnston
- Fermentation Science Program, School of Agriculture, College of Basic and Applied Sciences, Middle Tennessee State University, Murfreesboro, USA.
| | - Samuel Haruna
- Fermentation Science Program, School of Agriculture, College of Basic and Applied Sciences, Middle Tennessee State University, Murfreesboro, USA.
| | - Jaehyun Ahn
- Department of Food Science and Technology, Texas A&M University, College Station, USA.
| | - Reza Ovissipour
- Department of Food Science and Technology, Texas A&M University, College Station, USA.
| | - Seockmo Ku
- Department of Food Science and Technology, Texas A&M University, College Station, USA.
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9
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Gelalcha BD, Gelgie AE, Kerro Dego O. Antimicrobial resistance and prevalence of extended-spectrum beta-lactamase-producing Klebsiella species in East Tennessee dairy farms. Microbiol Spectr 2024; 12:e0353723. [PMID: 39240080 PMCID: PMC11448431 DOI: 10.1128/spectrum.03537-23] [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: 10/02/2023] [Accepted: 07/15/2024] [Indexed: 09/07/2024] Open
Abstract
Klebsiella species commonly reside in dairy cattle guts and are consistently exposed to beta-lactam antibiotics, including ceftiofur, which are frequently used on the U.S. dairy farms. This may impose selection pressure and result in the emergence of extended-spectrum beta-lactamase (ESBL)-producing strains. However, information on the status and antimicrobial resistance (AMR) profile of ESBL-Klebsiella spp. in the U.S. dairy farms is largely unknown. This study aimed to determine the prevalence and AMR profile of ESBL-Klebsiella spp. and the factors affecting their occurrence in dairy cattle farms. Rectal fecal samples (n = 508) and manure, feed, and water samples (n = 64) were collected from 14 dairy farms in Tennessee. Samples were directly plated on CHROMagar ESBL, and presumptive Klebsiella spp. were confirmed using matrix-assisted laser desorption/ionization-time of flight mass spectrometry. Antimicrobial susceptibility testing was performed on the isolates against panels of 14 antimicrobial agents from 10 classes using minimum inhibitory concentration. Of 572 samples, 57 (10%) were positive for ESBL-Klebsiella spp. The fecal prevalence of ESBL-Klebsiella spp. was 7.2% (95% CI: 6.5-8.0). The herd-level fecal prevalence of ESBL-Klebsiella spp. was 35.7% (95% CI: 12.7-64.8). The fecal prevalence of ESBL-Klebsiella spp. was significantly higher in calves than in cows and higher in cows with higher parity (≥3) as compared to cows with low parity (P < 0.001). Most (96.5%, n = 57) ESBL-Klebsiella spp. were resistant to ceftriaxone. The highest level of acquired co-resistance to ceftriaxone in ESBL-Klebsiella spp. was to sulfisoxazole (66.7%; 38/57). About 19% of ESBL-Klebsiella spp. were multidrug resistant. The presence of ESBL-producing Klebsiella spp. in dairy cattle, feed, and water obtained from troughs could play a crucial epidemiological role in maintaining and spreading the bacteria on farms and serving as a point source of transmission. IMPORTANCE We collected 572 samples from dairy farms, including rectal feces, manure, feed, and water. We isolated and identified extended-spectrum beta-lactamase (ESBL)-Klebsiella spp. and conducted an antimicrobial susceptibility test and analyzed different variables that may be associated with ESBL-Klebsiella spp. in dairy farms. The results of our study shed light on how ESBL-Klebsiella spp. are maintained through fecal-oral routes in dairy farms and possibly exit from the farm into the environment. We determine the prevalence of ESBL-Klebsiella spp. and their antimicrobial susceptibility profiles, underscoring their potential as a vehicle for multiple resistance gene dissemination within dairy farm settings. We also collected data on variables affecting their occurrence and spread in dairy farms. These findings have significant implications in determining sources of community-acquired ESBL-Enterobacteriaceae infections and designing appropriate control measures to prevent their spread from food animal production systems to humans, animals, and environments.
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Affiliation(s)
- Benti Deresa Gelalcha
- Department of Animal Science, The University of Tennessee, Knoxville, Tennessee, USA
| | - Aga E Gelgie
- Department of Animal Science, The University of Tennessee, Knoxville, Tennessee, USA
| | - Oudessa Kerro Dego
- Department of Animal Science, The University of Tennessee, Knoxville, Tennessee, USA
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10
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van Os W, Nussbaumer-Pröll A, Pham AD, Wijnant GJ, Ngougni Pokem P, Van Bambeke F, van Hasselt JGC, Zeitlinger M. Pharmacokinetic/pharmacodynamic model-based optimization of temocillin dosing strategies for the treatment of systemic infections. J Antimicrob Chemother 2024; 79:2484-2492. [PMID: 39030832 PMCID: PMC11442000 DOI: 10.1093/jac/dkae243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 06/03/2024] [Indexed: 07/22/2024] Open
Abstract
BACKGROUND Temocillin is increasingly considered as an alternative to carbapenems. However, there is no consensus on optimal dosing strategies and limited data on temocillin efficacy in systemic infections. OBJECTIVES We compared temocillin dosing strategies using pharmacokinetic/pharmacodynamic (PK/PD) modelling and simulation based on plasma exposure and in vitro time-kill data. METHODS Temocillin effects on four Escherichia coli strains were evaluated using static time-kill experiments and the hollow-fibre infection model, in which unbound plasma concentrations following intermittent and continuous infusion regimens of 4 and 6 g daily were replicated over 72 h. A PK/PD model was developed to describe the time-kill data. The PK/PD model was coupled to a population PK model of temocillin in critically ill patients to predict bacterial killing and resistance development following various dosing regimens. RESULTS Amplification of resistant subpopulations was observed within 24 h for all strains. The PK/PD model described the observed bacterial kill kinetics and resistance development from both experimental systems well. Simulations indicated dose-dependent bacterial killing within and beyond the currently used daily dose range, and a superiority of continuous compared with intermittent infusions. However, regrowth of resistant subpopulations was frequently observed. For two strains, bacteriostasis over 72 h was predicted only with doses that are higher than those currently licensed. CONCLUSIONS Continuous infusions and 6 g daily doses of temocillin kill E. coli more effectively than 4 g daily doses and intermittent infusions, and may increase efficacy in the treatment of systemic infections. However, higher daily doses may be required to suppress resistance development.
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Affiliation(s)
- Wisse van Os
- Department of Clinical Pharmacology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Alina Nussbaumer-Pröll
- Department of Clinical Pharmacology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Anh Duc Pham
- Division of Systems Pharmacology & Pharmacy, Leiden Academic Centre for Drug Research, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Gert-Jan Wijnant
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Avenue E. Mounier 73/B1.73.05, 1200 Brussels, Belgium
| | - Perrin Ngougni Pokem
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Avenue E. Mounier 73/B1.73.05, 1200 Brussels, Belgium
| | - Françoise Van Bambeke
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Avenue E. Mounier 73/B1.73.05, 1200 Brussels, Belgium
| | - J G Coen van Hasselt
- Division of Systems Pharmacology & Pharmacy, Leiden Academic Centre for Drug Research, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Markus Zeitlinger
- Department of Clinical Pharmacology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
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11
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Liu L, Liu Y, Xin Y, Liu Y, Gao Y, Yu K, Wang C. An early and stable mouse model of polymyxin-induced acute kidney injury. Intensive Care Med Exp 2024; 12:88. [PMID: 39352603 PMCID: PMC11445218 DOI: 10.1186/s40635-024-00667-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 09/02/2024] [Indexed: 10/04/2024] Open
Abstract
BACKGROUND Polymyxins have been revived as a last-line therapeutic option for multi-drug resistant bacteria and continue to account for a significant proportion of global antibiotic usage. However, kidney injury is often a treatment limiting event with kidney failure rates ranging from 5 to 13%. The mechanisms underlying polymyxin-induced nephrotoxicity are currently unclear. Researches of polymyxin-associated acute kidney injury (AKI) models need to be more standardized, which is crucial for obtaining consistent and robust mechanistic results. METHODS In this study, male C57BL/6 mice received different doses of polymyxin B (PB) and polymyxin E (PE, also known as colistin) by different routes once daily (QD), twice daily (BID), and thrice daily (TID) for 3 days. We continuously monitored the glomerular filtration rate (GFR) and the AKI biomarkers, including serum creatinine (Scr), blood urea nitrogen (BUN), neutrophil gelatinase-associated lipocalin (NGAL), and kidney injury molecule-1 (KIM-1). We also performed histopathological examinations to assess the extent of kidney injury. RESULTS Mice receiving PB (35 mg/kg/day subcutaneously) once daily exhibited a significant decrease in GFR and a notable increase in KIM-1 two hours after the first dose. Changes in GFR and KIM-1 at 24, 48 and 72 h were consistent and demonstrated the occurrence of kidney injury. Histopathological assessments showed a positive correlation between the severity of kidney injury and the changes in GFR and KIM-1 (Spearman's rho = 0.3167, P = 0.0264). The other groups of mice injected with PB and PE did not show significant changes in GFR and AKI biomarkers compared to the control group. CONCLUSION The group receiving PB (35 mg/kg/day subcutaneously) once daily consistently developed AKI at 2 h after the first dose. Establishing an early and stable AKI model facilitates researches into the mechanisms of early-stage kidney injury. In addition, our results indicated that PE had less toxicity than PB and mice receiving the same dose of PB in the QD group exhibited more severe kidney injury than the BID and TID groups.
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Affiliation(s)
- Linqiong Liu
- Departments of Critical Care Medicine, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China
| | - Yuxi Liu
- Departments of Critical Care Medicine, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China
| | - Yu Xin
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China
| | - Yanqi Liu
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China
| | - Yan Gao
- Departments of Critical Care Medicine, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China.
| | - Kaijiang Yu
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China.
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China.
| | - Changsong Wang
- Departments of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China.
- Heilongjiang Provincial Key Laboratory of Critical Care Medicine, 23 Postal Street, Nangang District, Harbin, 150001, Heilongjiang, China.
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12
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Zhao Y, Song Y, Zhang L, Zhao B, Lu M, Cui J, Tang W. Source apportionment and specific-source-site risk of quinolone antibiotics for effluent-receiving urban rivers and groundwater in a city, China. J Environ Sci (China) 2024; 144:185-198. [PMID: 38802230 DOI: 10.1016/j.jes.2023.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 05/29/2024]
Abstract
There is a large surface-groundwater exchange downstream of wastewater treatment plants (WWTPs), and antibiotics upstream may influence sites downstream of rivers. Thus, samples from 9 effluent-receiving urban rivers (ERURs) and 12 groundwater sites were collected in Shijiazhuang City in December 2020 and April 2021. For ERURs, 8 out of 13 target quinolone antibiotics (QNs) were detected, and the total concentration of QNs in December and April were 100.6-4,398 ng/L and 8.02-2,476 ng/L, respectively. For groundwater, all target QNs were detected, and the total QNs concentration was 1.09-23.03 ng/L for December and 4.54-170.3 ng/L for April. The distribution of QNs was dissimilar between ERURs and groundwater. Most QN concentrations were weakly correlated with land use types in the system. The results of a positive matrix factorization model (PMF) indicated four potential sources of QNs in both ERURs and groundwater, and WWTP effluents were the main source of QNs. From December to April, the contribution of WWTP effluents and agricultural emissions increased, while livestock activities decreased. Singular value decomposition (SVD) results showed that the spatial variation of most QNs was mainly contributed by sites downstream (7.09%-88.86%) of ERURs. Then, a new method that combined the results of SVD and PMF was developed for a specific-source-site risk quotient (SRQ), and the SRQ for QNs was at high level, especially for the sites downstream of WWTPs. Regarding temporal variation, the SRQ for WWTP effluents, aquaculture, and agricultural emissions increased. Therefore, in order to control the antibiotic pollution, more attention should be paid to WWTP effluents, aquaculture, and agricultural emission sources for the benefit of sites downstream of WWTPs.
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Affiliation(s)
- Yu Zhao
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, China
| | - Yuanmeng Song
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, China; College of Environment Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Lulu Zhang
- College of Environment Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China.
| | - Bo Zhao
- College of Environment Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Mengqi Lu
- College of Environment Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Jiansheng Cui
- College of Environment Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Wenzhong Tang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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13
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Ding N, Yu W, Mo J, Rehman F, Kasahara T, Guo J. Does exposure timing of macrolide antibiotics affect the development of river periphyton? Insights into the structure and function. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 275:107070. [PMID: 39217791 DOI: 10.1016/j.aquatox.2024.107070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 08/03/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Discharged sewage is the dominant source of urban river pollution. Macrolide antibiotics have emerged as prominent contaminants, which are frequently detected in sewage and rivers and pose a threat to aquatic microbial community. As a typical primary producer, periphyton is crucial for maintaining the biodiversity and functions of aquatic ecosystem. However, effects of antibiotic exposure time as well as the recovery process of periphyton remain undetermined. In the present study, five exposure scenarios of two typical macrolides, erythromycin (ERY) and roxithromycin (ROX) were investigated at 50 µg/L, dose to evaluate their potential detrimental effects on the structure and function of periphyton and the subsequent recovery process in 14 days. Results revealed that the composition of periphytic community returned to normal over the recovery period, except for a few sensitive species. The antibiotics-caused significant photodamage to photosystem II, leading to continuous inhibition of the photosynthetic capacity of periphyton. Furthermore, no significant difference in carbon metabolism capacity was observed after direct antibiotic exposure, while the amine carbon utilization capacity of periphyton remarkably increased during the recovery process. These results indicated that periphyton community was capable of coping with the periodic exposure of antibiotic pollutants and recovering on its own. However, the ecological functions of periphyton can be permanently disturbed due to macrolide exposure. Overall, this study sheds light on the influence of macrolide exposure on the development, structure and function of the periphytic microbial community in rivers.
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Affiliation(s)
- Ning Ding
- Xi'an Key Laboratory of Environmental Simulation and Ecological Health in the Yellow River Basin, College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China
| | - Wenqian Yu
- Xi'an Key Laboratory of Environmental Simulation and Ecological Health in the Yellow River Basin, College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China
| | - Jiezhang Mo
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou, China
| | - Fozia Rehman
- Interdisciplinary Research Center in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Pakistan
| | - Tamao Kasahara
- Faculty of Agriculture, Kyushu University, 394 Tsubakuro, Sasaguri, Fukuoka 811-2415, Japan
| | - Jiahua Guo
- Xi'an Key Laboratory of Environmental Simulation and Ecological Health in the Yellow River Basin, College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China.
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14
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Xu Z, Duan X, Chen Y, Chen D, Lu H, Zhan J, Ren X, Pan X. Great truths are always simple: A millimeter-sized macroscopic lanthanum-calcium dual crosslinked carboxymethyl chitosan aerogel bead as a promising adsorbent for scavenging oxytetracycline from wastewater. Int J Biol Macromol 2024; 278:134499. [PMID: 39217038 DOI: 10.1016/j.ijbiomac.2024.134499] [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: 04/24/2024] [Revised: 07/29/2024] [Accepted: 08/03/2024] [Indexed: 09/04/2024]
Abstract
Given their increasing environmental and health harms, it is crucial to develop green and sustainable techniques for scavenging antibiotics represented by oxytetracycline (OTC) from wastewater. In the present work, a structurally simple lanthanum-calcium dual crosslinked carboxymethyl chitosan (CMCS-La3+-Ca2+) aerogel was innovatively synthesized for adsorptive removal of OTC. It was found that CMCS and La3+ sites collaboratively participated in OTC elimination, and OTC removal peaked over the wide pH range of 4-7. The process of OTC sorption was better described by the pseudo-second-order kinetic model and Redlich-Peterson model, and the saturated uptake amount toward OTC was up to 580.91 mg/g at 303 K, which was comparable to the bulk of previous records. The as-fabricated composite also exerted exceptional capture capacity toward OTC in consecutive adsorption-desorption runs and high-salinity wastewater. Amazingly, its packed column continuously ran for over 60 h with a dynamic uptake amount of 215.21 mg/g until the adsorption was saturated, illustrating its great potential in scale-up applications. Mechanism studies demonstrated that multifarious spatially-isolated reactive sites of CMCS-La3+-Ca2+ cooperatively involved in OTC capture via multi-mechanisms, such as n-π EDA interaction, H-bonding, La3+-complexation, and cation-π bonding. All the above superiorities endow it as a promising adsorbent for OTC-containing wastewater decontamination.
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Affiliation(s)
- Zhixiang Xu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China..
| | - Xingyu Duan
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Yuning Chen
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Dongshan Chen
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Hao Lu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Juhong Zhan
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Xiaomin Ren
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Xuejun Pan
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China..
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15
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Zhao K, Si T, Liu S, Liu G, Li D, Li F. Co-metabolism of microorganisms: A study revealing the mechanism of antibiotic removal, progress of biodegradation transformation pathways. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176561. [PMID: 39362550 DOI: 10.1016/j.scitotenv.2024.176561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 09/25/2024] [Accepted: 09/25/2024] [Indexed: 10/05/2024]
Abstract
The widespread use of antibiotics has resulted in large quantities of antibiotic residues entering aquatic environments, which can lead to the development of antibiotic-resistant bacteria and antibiotic-resistant genes, posing a potential environmental risk and jeopardizing human health. Constructing a microbial co-metabolism system has become an effective measure to improve the removal efficiency of antibiotics by microorganisms. This paper reviews the four main mechanisms involved in microbial removal of antibiotics: bioaccumulation, biosorption, biodegradation and co-metabolism. The promotion of extracellular polymeric substances for biosorption and extracellular degradation and the regulation mechanism of enzymes in biodegradation by microorganisms processes are detailed therein. Transformation pathways for microbial removal of antibiotics are discussed. Bacteria, microalgae, and microbial consortia's roles in antibiotic removal are outlined. The factors influencing the removal of antibiotics by microbial co-metabolism are also discussed. Overall, this review summarizes the current understanding of microbial co-metabolism for antibiotic removal and outlines future research directions.
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Affiliation(s)
- Ke Zhao
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, 5088 Xincheng Street, Changchun 130118, China
| | - Tingting Si
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, 5088 Xincheng Street, Changchun 130118, China; Key Laboratory of Pollution Processes and Environmental Criteria at Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Shenghe Liu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, 5088 Xincheng Street, Changchun 130118, China
| | - Gaolei Liu
- Key Laboratory of Pollution Processes and Environmental Criteria at Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Donghao Li
- Key Laboratory of Pollution Processes and Environmental Criteria at Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Fengxiang Li
- Key Laboratory of Pollution Processes and Environmental Criteria at Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
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16
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Garzón-Orjuela N, Amin D, Oza A, Segurado R, Vellinga A. Trends and geographical variations in outpatient antimicrobial consumption in Ireland in relation to socio-economic deprivation. Heliyon 2024; 10:e37563. [PMID: 39309769 PMCID: PMC11416518 DOI: 10.1016/j.heliyon.2024.e37563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 09/01/2024] [Accepted: 09/05/2024] [Indexed: 09/25/2024] Open
Abstract
Background Different factors have been associated with changes in antimicrobial consumption rates in Ireland, however the relationship between socio-economic deprivation and antimicrobial consumption has not been explored. The presented ecological analysis explores the temporal and geographical variation in outpatient antimicrobial consumption and socio-economic deprivation in Ireland from January 2015 to March 2022. Method Deprivation index (DI) was used as a socio-economic proxy. A multilevel mixed model was applied to explore temporal variation and analyse the longitudinal antimicrobial consumption (DID) in relation to DI. Furthermore, maps were generated based on antimicrobial consumption rates, and spatial autocorrelation analyses were carried out to study geographical variation in antimicrobial consumption rates. Results The antimicrobial consumption rates per month varied from 26.2 DID (January 2015) to 22.1 DID (March 2022) showing an overall reduction of 16 %. Overall, total antimicrobial consumption in the multilevel model showed a consistent correlation with higher DI score (6.6 (95%CI 3.9 to 9.3)), and winter season (3.6 (95%CI 3.2 to 3.9)). In contrast, before COVID-19 showed significant lower antimicrobial consumption rates compared to during COVID-19 (-4.0 (95%CI -4.7 to -3.23)). No consistent trends were observed for geographical variation between areas. Conclusion Antimicrobial consumption rates decreased from 2015 to 2021 in Ireland. No geographical patterns were observed in antimicrobial consumption rates but associations between deprivation and antimicrobial consumption rates were observed.
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Affiliation(s)
- Nathaly Garzón-Orjuela
- CARA, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 C1P1, Ireland
| | - Doaa Amin
- CARA, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 C1P1, Ireland
| | - Ajay Oza
- Health Protection Surveillance Centre (HPSC), Dublin, D01 A4A3, Ireland
| | - Ricardo Segurado
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 C1P1, Ireland
| | - Akke Vellinga
- CARA, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 C1P1, Ireland
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 C1P1, Ireland
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17
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Elizalde-Jiménez IG, Ruiz-Hernández FG, Carmona-Cruz SA, Pastrana-Arellano E, Aquino-Andrade A, Romo-González C, Arias-de la Garza E, Álvarez-Villalobos NA, García-Romero MT. Global Antimicrobial Susceptibility Patterns of Staphylococcus aureus in Atopic Dermatitis: A Systematic Review and Meta-Analysis. JAMA Dermatol 2024:2823597. [PMID: 39320869 PMCID: PMC11425196 DOI: 10.1001/jamadermatol.2024.3360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
Importance Individuals with atopic dermatitis are frequently colonized and infected with Staphylococcus aureus. Empirical antibiotic therapy for individuals with atopic dermatitis is common, but data about the antimicrobial susceptibility profiles of S aureus strains isolated from these individuals are scarce for those living in particular geographic areas. Objective To determine the antimicrobial susceptibility of S aureus from individuals with atopic dermatitis and analyze differences according to the income level of the country of origin and the data collection period. Data Sources A meta-analysis of the literature was performed from the inception of the included databases (MEDLINE, Embase, Web of Science, Scopus, and Cochrane) to June 20, 2023, using predetermined Medical Subject Headings. Study Selection Studies were included if they reported antibiotic susceptibility profiles of 1 or more S aureus cutaneous isolates from individuals with atopic dermatitis. Articles written in English, Spanish, French, or German were included. Data Extraction and Synthesis Working in pairs, 6 of the authors conducted the data extraction. The guidelines from the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) were followed. Main Outcomes and Measures The outcome of interest was antimicrobial susceptibility. Results A total of 61 studies reported 4091 S aureus isolates from individuals with atopic dermatitis. For 4 of the 11 commonly used antibiotics (36.4%), antimicrobial susceptibility was 85% or less, including for methicillin (binomial proportion, 0.85 [95% CI, 0.76-0.91]), erythromycin (binomial proportion, 0.73 [95% CI, 0.61-0.83]), fusidic acid (binomial proportion, 0.80 [95% CI, 0.62-0.91]), and clindamycin (binomial proportion, 0.79 [95% CI, 0.65-0.89]). Most studies (46; 75.4%) were conducted in high-income countries. Antimicrobial susceptibility to erythromycin, methicillin, and trimethoprim and sulfamethoxazole was significantly lower in lower middle-income countries and upper middle-income countries. Regarding the temporal trends, 33 studies (54.1%) reported data collected from 1998 to 2010. Antimicrobial susceptibility patterns have not changed over time. Conclusions and Relevance In this systematic review and meta-analysis, antimicrobial susceptibility of S aureus to β-lactams, erythromycin, clindamycin, and fusidic acid may be suboptimal for empirical use in individuals with atopic dermatitis. Significant differences in antimicrobial susceptibility patterns were found in high-income countries and in lower middle-income countries and upper middle-income countries for some antibiotics.
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Affiliation(s)
| | - Fernando Gerardo Ruiz-Hernández
- Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey, México
- Plataforma INVEST Medicina UANL-KER Unit Mayo Clinic, Monterrey, México
| | - Silvia Angélica Carmona-Cruz
- Dermatology Department, Instituto Nacional de Pediatría, Mexico City, Mexico
- Now with Dermatology, Hospital MAC, Mexico City, Mexico
| | - Elena Pastrana-Arellano
- Dermatology Department, Instituto Nacional de Pediatría, Mexico City, Mexico
- Now with Hospital Adolfo López Mateos ISSSTE, Mexico City, Mexico
| | | | - Carolina Romo-González
- Experimental Bacteriology Laboratory, Instituto Nacional de Pediatría, Mexico City, Mexico
| | | | - Neri Alejandro Álvarez-Villalobos
- Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey, México
- Plataforma INVEST Medicina UANL-KER Unit Mayo Clinic, Monterrey, México
- Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, Minnesota
| | - Maria Teresa García-Romero
- Dermatology Department, Instituto Nacional de Pediatría, Mexico City, Mexico
- Editorial Fellow, JAMA Dermatology
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Bray JJ, Thompson S, Seitler S, Ali SA, Yiu J, Salehi M, Ahmad M, Pelone F, Gashau H, Shokraneh F, Ahmed N, Cassandra M, Marijon E, Celermajer DS, Providencia R. Long-term antibiotic prophylaxis for prevention of rheumatic fever recurrence and progression to rheumatic heart disease. Cochrane Database Syst Rev 2024; 9:CD015779. [PMID: 39312290 PMCID: PMC11418974 DOI: 10.1002/14651858.cd015779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/25/2024]
Abstract
BACKGROUND Rheumatic fever is a non-suppurative, inflammatory sequela of group A Streptococcus pharyngitis that can occur at two to four weeks after infection. Following an episode of rheumatic fever, there is a risk of developing rheumatic heart disease (RHD) later in life that carries significant risk of morbidity and mortality. RHD remains the largest global cause of cardiovascular disease in the young (age < 25 years). The historical literature provides inconclusive evidence that antibiotic prophylaxis is beneficial in reducing the risk of recurrence of rheumatic fever and development of RHD. Antibiotics are thought to work by reducing the carriage of group A Streptococcus and thus reducing the risk of infection. This review was commissioned by the World Health Organization (WHO) for an upcoming guideline. OBJECTIVES 1. To assess the effects of long-term antibiotics versus no antibiotics (control) for secondary prevention of rheumatic fever recurrence and associated sequelae in people with previous rheumatic fever or RHD. 2. To assess the effects of long-term intramuscular penicillin versus long-term oral antibiotics for secondary prevention of rheumatic fever recurrence and associated sequelae in people with previous rheumatic fever or RHD. SEARCH METHODS We systematically searched CENTRAL, MEDLINE, Embase, Conference Proceedings Citation Index-Science, clinical trial registers, ISRCTN.com and reference lists without restrictions on language or date up to 10 March 2024. SELECTION CRITERIA We sought randomised controlled trials or quasi-randomised trials, described in any language, including participants with previous rheumatic fever and/or RHD of any age, based in community or hospital settings. Studies were included if they compared firstly antibiotic prophylaxis with no antibiotic prophylaxis, and, secondly, intramuscular penicillin prophylaxis versus oral antibiotic prophylaxis. DATA COLLECTION AND ANALYSIS We used standardised methodological, Cochrane-endorsed procedures and performed meta-analyses with risk ratios (RR) and Peto odds ratios (Peto OR). Our primary outcomes were recurrence of rheumatic fever, progression or severity of RHD and cardiac complications. Our secondary outcomes were obstetric complications (maternal and foetal events), mortality, treatment adherence, adverse events and acceptability to participants. We performed comprehensive assessments of risk of bias and certainty of evidence, applying the GRADE methodology. MAIN RESULTS We included 11 studies (seven RCTs and four quasi-randomised trials) including 3951 participants. The majority of the included studies were conducted in the USA, UK and Canada during the 1950s to 1960s. Most participants with previous rheumatic fever had been diagnosed using the modified Jones criteria (mJC) (four studies), were an average of 12.3 years of age and 50.6% male. We assessed the majority of the included studies to be at high risk of bias, predominantly relating to blinding and attrition bias. Comparison one: antibiotics versus no antibiotics Pooled meta-analysis of six RCTs provides moderate-certainty evidence that antibiotics overall (oral or intramuscular) probably reduce the risk of recurrence of rheumatic fever substantially (0.7% versus 1.7%, respectively) (risk ratio (RR) 0.39, 95% confidence interval (CI) 0.22 to 0.69; 1721 participants). People with early or mild RHD likely have the greatest capacity to benefit from intramuscular antibiotic prophylaxis (8.1%) compared to no antibiotics (0.7%) (RR 0.09, 95% CI 0.03 to 0.29; 1 study, 818 participants; moderate-certainty evidence). Antibiotics may not affect mortality in people with late-stage RHD (RR 1.23, 95% CI 0.78 to 1.94; 1 study, 994 participants; low-certainty evidence). Antibiotics may not affect the risk of anaphylaxis (Peto odds ratio (OR) 7.39, 95% CI 0.15 to 372; 1 study, 818 participants; low-certainty evidence) or sciatic nerve injury (Peto OR 7.39, 95% CI 0.15 to 372; 1 study, 818 participants; low-certainty evidence) compared with no antibiotics, but probably have an increased risk of hypersensitivity reactions (RR 137, 8.51 to 2210; 2 studies, 894 participants; moderate-certainty evidence) and local reactions (RR 29, 1.74 to 485; 1 study, 818 participants; moderate-certainty evidence). Comparison two: intramuscular antibiotics versus oral antibiotics Pooled analysis of two RCTs showed that prophylactic intramuscular benzathine benzylpenicillin likely reduces recurrence of rheumatic fever substantially when compared to oral antibiotics (0.1% versus 1%, respectively) (RR 0.07, 95% CI 0.02 to 0.26; 395 participants; moderate-certainty evidence). Furthermore, it is unclear whether intramuscular benzyl penicillin is superior to oral antibiotics in reducing the risk of mortality in the context of RHD (Peto OR 0.22, 95% CI 0.01 to 4.12; 1 study, 431 participants; very low-certainty evidence). There were no data available on progression of latent RHD or adverse events including anaphylaxis, sciatic nerve injury, delayed hypersensitivity/allergic reactions and local reactions to injection. AUTHORS' CONCLUSIONS This review provides evidence that antibiotic prophylaxis likely reduces the risk of recurrence of rheumatic fever compared to no antibiotics, and that intramuscular benzathine benzylpenicillin is probably superior to oral antibiotics (approximately 10 times better). Moreover, intramuscular benzathine benzylpenicillin likely reduces the risk of progression of latent RHD. Evidence is scarce, but antibiotics compared with no antibiotics may not affect the risk of anaphylaxis or sciatic nerve injury, but probably carry an increased risk of hypersensitivity reactions and local reactions. Antibiotics may not affect all-cause mortality in late-stage RHD compared to no antibiotics. There is no evidence available to comment on the effect of intramuscular penicillin over oral antibiotics for progression of latent RHD and adverse events, and little evidence for all-cause mortality. It is important to interpret these findings in the context of major limitations, including the following: the vast majority of the included studies were conducted more than 50 years ago, many before contemporary echocardiographic studies; methodology was often at high risk of bias; outdated treatments were used; only one study was in latent RHD; and there are concerns regarding generalisability to low socioeconomic regions. This underlines the need for ongoing research to understand who benefits most from prophylaxis.
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Affiliation(s)
| | - Sophie Thompson
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | | | - Syed Ahsan Ali
- Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Janice Yiu
- Guy's and St Thomas' NHS Foundation Trust, London, UK
| | | | - Mahmood Ahmad
- Department of Cardiology, Tahir Heart Institute, Rabwah, Pakistan
| | - Ferruccio Pelone
- Faculty of Health, Social Care and Education, Kingston University, London, UK
- Institute of Health Informatics, University College London, London, UK
| | | | - Farhad Shokraneh
- Institute of Health Informatics, University College London, London, UK
- Centre for Academic Primary Care (CAPC), Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
- Department of Evidence Synthesis, Systematic Review Consultants LTD, Oxford, UK
| | - Nida Ahmed
- Barts Heart Centre, St Bartholomew's Hospital, Barts Health NHS Trust, London, UK
| | | | - Eloi Marijon
- 17 Division of Cardiology, European Georges Pompidou Hospital, AP-HP, Paris, France
| | | | - Rui Providencia
- Barts Heart Centre, St Bartholomew's Hospital, Barts Health NHS Trust, London, UK
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Adhikari S, Lee HH, Kim DH. 'Primary' antibiotics in wastewater treatment plants. iScience 2024; 27:110789. [PMID: 39286505 PMCID: PMC11403462 DOI: 10.1016/j.isci.2024.110789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024] Open
Abstract
There are anywhere from 5 to 8 priority antibiotics in typical wastewater treatment plants (WWTPs) whose concentrations exceed the maximum allowed, out of 12 priority antibiotics designated by the World Health Organization as the species to pose severe health hazard than others. If the priority antibiotics to deal with could be reduced to just one or two, such reduction would greatly simplify the construction and operation of the treatment plants. Introduced here is a concept of 'primary' antibiotic, the abatement of which ensures mitigation of all the other priority antibiotics in the wastewater. A criterion for determining primary antibiotic is developed. For a demonstration of the approach, the wastewater systems treated with solar-based photocatalysts are considered. The criterion reveals that the primary antibiotic in the typical European WWTP as well as in the typical municipal and hospital wastewater is ciprofloxacin, whereas the typical industrial wastewater contains ciprofloxacin and oxytetracycline.
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Affiliation(s)
- Sangeeta Adhikari
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Gwangju 61186, Republic of Korea
| | - Hong H Lee
- School of Chemical and Biological Engineering, Seoul National University, Gwanak-ro, Seoul 08826, Republic of Korea
| | - Do-Heyoung Kim
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Gwangju 61186, Republic of Korea
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20
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Gleason A, Kumar CK, Klein E, Laxminarayan R, Nandi A. Effect of rotavirus vaccination on the burden of rotavirus disease and associated antibiotic use in India: A dynamic agent-based simulation analysis. Vaccine 2024; 42:126211. [PMID: 39137492 PMCID: PMC11385704 DOI: 10.1016/j.vaccine.2024.126211] [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: 05/21/2024] [Revised: 07/29/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
BACKGROUND Rotavirus is a leading cause of diarrhea in infants and young children in many low- and middle-income countries. India launched a childhood immunization program for rotavirus in 2016, starting with four states and expanding it to cover all states by 2019. The objective of this study was to estimate the effects of the rotavirus vaccination program in India on disease burden and antibiotic misuse. METHODS We built a dynamic agent-based model of rotavirus progression in children under five within each district in India. Simulations were run for various scenarios of vaccination coverage in the context of India's Universal Immunization Programme. Population data were obtained from the National Family Household Surveys and used to calibrate the models. Disease parameters were obtained from published studies. We estimated past and projected future reduction of disease burden and antibiotic misuse due to full vaccination nationwide, by state, and by wealth quintile. RESULTS We estimate that rotavirus vaccination in India has reduced the prevalence of rotavirus cases by 33.7% (prediction interval: 30.7-36.0%), total antibiotic misuse due to rotavirus by 21.8% (18.6-25.1%), and total deaths due to rotavirus by 38.3% (31.3-44.4%) for children under five. We estimate total antibiotic misuse due to rotavirus infection to be 7.6% (7.5-7.9%) of total antibiotic consumption in this demographic versus 9.6% (9.4-9.9%) in the absence of vaccination. We project rotaviral prevalence to drop to below one case for every 100,000 individuals in those below five if vaccination coverage is increased by 50.3% (45.2-58.5%) to 68.1% (63.1-76.4) nationwide. CONCLUSION Universal coverage of childhood rotavirus vaccination can substantially reduce inappropriate antibiotic use in India.
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Affiliation(s)
- Alec Gleason
- High Meadows Environmental Institute, Princeton University, Princeton, NJ, USA
| | | | - Eili Klein
- One Health Trust, Washington, DC, USA; Department of Emergency Medicine, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Ramanan Laxminarayan
- High Meadows Environmental Institute, Princeton University, Princeton, NJ, USA; One Health Trust, Bengaluru, India
| | - Arindam Nandi
- One Health Trust, Washington, DC, USA; Population Council, 1 Dag Hammarskjold Plaza, New York, NY 10017, United States.
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Li C, Wu L, Zou X, Wu Q, Mo Y. Effect of sponge city facilities on the exposure characteristics and ecological risks of antibiotics in urban inland lakes: A case study at Fuzhou, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-34981-5. [PMID: 39289264 DOI: 10.1007/s11356-024-34981-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 09/09/2024] [Indexed: 09/19/2024]
Abstract
Antibiotics are increasingly found in urban lakes, posing significant ecological risks to lake ecosystems. The impact of sponge city facilities on urban flood control is significant; however, their influence on the exposure characteristics and risks associated with antibiotics in urban inland lakes remains unclear. This study investigated the exposure characteristics and evaluated the ecological risks of 15 antibiotics across seven lakes of Fuzhou (as the target of sponge city) in different seasons, in comparison to non-sponge cities. The results revealed that 12 antibiotics were consistently detectable across all lakes, with concentrations ranging from non-detectable (ND) to 20.61 ng/L, with sulfamethoxazole (SMX) emerging as the predominant contaminant. Most antibiotics exhibited higher concentrations in the dry season, attributed to environmental conditions, biological mechanisms, and their physicochemical properties. SMX, tetracycline (TTC), oxytetracycline (OTC), and ciprofloxacin (CIP) posed moderate to high ecological risks, with risk quotient (RQ) values of 0.46, 0.14, 0.17, and 0.61, respectively, while the remaining antibiotics presented lower ecological risks in both seasons. Notably, the RQ values for TTC, OTC, and CIP were elevated during the dry season, whereas SMX displayed a higher RQ value in the wet season, indicating an increased ecological risk during the dry months. In comparison to non-sponge cities, sponge cities exhibited significantly lower concentrations of nearly all antibiotics, particularly during the wet season (p ≤ 0.05). Moreover, over 85% of the antibiotics in non-sponge cities were classified as high risk, contrasted with only 55% in sponge cities, underscoring the heightened ecological risks associated with non-sponge urban designs. This study provides critical insights for controlling antibiotic pollution in the lakes of Fuzhou and serves as a valuable reference for maintaining aquatic ecosystem health through the implementation of sponge city infrastructure.
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Affiliation(s)
- Chengfu Li
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China
- School of Life Science, Jinggangshan University, Ji'an, 343009, China
| | - Ligui Wu
- School of Life Science, Jinggangshan University, Ji'an, 343009, China
- College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Xiaoming Zou
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China
- School of Life Science, Jinggangshan University, Ji'an, 343009, China
| | - Qiaofeng Wu
- College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
- Fuzhou Urban and Rural Construction Group Co. Ltd, Fuzhou, 350007, China
| | - Yuanmin Mo
- School of Life Science, Jinggangshan University, Ji'an, 343009, China.
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22
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Wu X, Chen X, Zhang D, Hu X, Ding W, Wang Y, Li G, Dong N, Hu H, Hu T, Ru Z. Integrative multi-omics analysis reveals the underlying toxicological mechanisms of enrofloxacin on the growth of wheat seedling roots. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135303. [PMID: 39067300 DOI: 10.1016/j.jhazmat.2024.135303] [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: 03/25/2024] [Revised: 07/19/2024] [Accepted: 07/21/2024] [Indexed: 07/30/2024]
Abstract
The continuous release of antibiotics into agroecosystems has raised concerns about the potential negative effects of antibiotic residues on crops. In this study, the toxicological effects of enrofloxacin (ENR) on wheat seedlings were analyzed using a combination of morpho-physiological, transcriptomic, proteomic, and metabolomic approaches. ENR inhibited the growth of wheat (Triticum aestivum L.) roots and induced oxidative stress. In particular, ENR downregulated the oxidative phosphorylation pathway, while it enhanced glycolysis and the tricarboxylic acid cycle, thereby regulating the balance of intracellular energy metabolism. In addition, sustained exposure to excessive reactive oxygen species (ROS) resulted in an increase in reduced glutathione (GSH), a slight decrease in ascorbic acid (AsA), and a significant decrease in the ratio of GSH to oxidized glutathione (GSSG), which imbalanced the AsA-GSH cycle. In addition, the resulting increase in abnormal proteins triggered ubiquitin-independent proteasomal degradation pathways. Further, an increase in abscisic acid (ABA) and a decrease in jasmonic acid (JA) and its derivatives alleviated the inhibitory effect of ENR on the growth of wheat roots. In conclusion, direct damage and signaling by ROS, hormonal regulation, a decrease in the GSH to GSSG ratio, and insufficient energy supply were identified as key factors for the significant inhibition of wheat root growth under ENR stress.
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Affiliation(s)
- Xiaojun Wu
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Xiangdong Chen
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Dazhong Zhang
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Xigui Hu
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Weihua Ding
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Yuquan Wang
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Gan Li
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Na Dong
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Haiyan Hu
- Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Engineering Research Center of Crop Genome Editing, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Tiezhu Hu
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China
| | - Zhengang Ru
- Center of Wheat Research, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Key Laboratory of Hybrid Wheat, Henan Institute of Science and Technology, Xinxiang 450003, China; Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang 450003, China.
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Liu Y, Zhang M, Wu Y, Li S, Hu J, Sun W, Ni J. Profiles, drivers, and prioritization of antibiotics in China's major rivers. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135399. [PMID: 39096643 DOI: 10.1016/j.jhazmat.2024.135399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 06/28/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024]
Abstract
Through a systematic review of literature references from 2007 to 2022, we compiled a comprehensive national dataset comprising over 67,000 records and covering information on 129 antibiotics detected in the surface water and sediments of China's major rivers. Our analysis revealed notably high antibiotic concentrations in the Liaohe and Yellow Rivers. Among the antibiotics examined, sulfonamides, quinolones, and tetracyclines exhibited relatively high median concentrations in river water. Regional distribution analysis highlighted increased antibiotic levels in Shandong and Tianjin compared to other areas. Partial least squares path modeling revealed that animal production and pollution discharge positively influenced antibiotic levels in river water, whereas natural and socioeconomic factors had negative impacts. Based on the ecological risk assessment, we formulated a prioritized national list of antibiotics, with sulfonamides having the largest number of entries, followed by quinolones. Importantly, our analysis revealed a declining trend in antibiotic concentrations and the associated risk levels across China during the study period. This study not only enhances our understanding of antibiotic distribution in China's water systems, but also contributes to the development of a scientifically sound approach for prioritizing antibiotics. Ultimately, these findings will inform targeted antibiotic management and control strategies. ENVIRONMENTAL IMPLICATION: Antibiotics, posing threats to ecosystems and human health, exhibit pseudo-persistence in the environment. we compiled a national dataset of over 67,000 records on antibiotics, our study scrutinized antibiotic distribution in China's major river water and sediment. Through this analysis, we identified key factors influencing distribution patterns and crafted a national priority ranking for antibiotics. These findings deepen our understanding of antibiotic presence and contribute to the development of targeted management strategies aimed at minimizing environmental impact.
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Affiliation(s)
- Yi Liu
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China
| | - Meng Zhang
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China
| | - Yang Wu
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China
| | - Si Li
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Jingrun Hu
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China
| | - Weiling Sun
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China.
| | - Jinren Ni
- Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China; State Environmental Protection Key Laboratory of All Material Fluxes in River Ecosystems, Beijing 100871, China
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Compaoré A, Rouamba T, Kaboré B, Jacobs J, Peeters Grietens K, Sariola S. Exploring Antibiotic Use in the Community: A Household-Based Survey Using the Drug Bag Method in Rural Burkina Faso. Antibiotics (Basel) 2024; 13:872. [PMID: 39335045 PMCID: PMC11428394 DOI: 10.3390/antibiotics13090872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 08/28/2024] [Accepted: 08/29/2024] [Indexed: 09/30/2024] Open
Abstract
In Burkina Faso, there is lack of awareness of antibiotic use at the community level. This study aims to generate information on the commonly used antibiotics along with the reasons for which they have been used in rural Burkina Faso. The drug bag method was employed to collect information from 423 households in the health district of Nanoro. Descriptive analyses were performed using R software version 4.2.1. Of the 33 antibiotics inventoried, amoxicillin tablets and oxytetracycline were the most recognized and used antibiotics. This study indicated that antibiotics were used for a range of health problems in the community, some of which were administered as painkillers. While primary healthcare facilities constituted the primary source of drugs for households (76.8%), informal drug sellers constituted an additional option (61.5%) for community members. This is a significant concern, given that some antibiotics classified as "Watch"-such as norfloxacin-were readily available in these outlets, despite not being included on the country's Essential Medicines List. This study underscores the necessity of considering the role played by formal providers in the inappropriate use of antibiotics and the importance of understanding the circumstances and logical reasoning underlying communities' access to and use of antibiotics.
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Affiliation(s)
- Adélaïde Compaoré
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218 Ouaga CMS 11, Nanoro, Burkina Faso; (T.R.); (B.K.)
- Socio-Ecological Health Research Unit, Institute of Tropical Medicine Antwerp, 2000 Antwerpen, Belgium;
- Faculté des Sciences Économiques, Sociales, Politiques et de la Communication, UCLouvain Saint-Louis Bruxelles, 1000 Bruxelles, Belgium
| | - Toussaint Rouamba
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218 Ouaga CMS 11, Nanoro, Burkina Faso; (T.R.); (B.K.)
- Centre de Recherche en Epidémiologie, Biostatistiques et Recherche Clinique, Ecole de Santé Publique, Université Libre de Bruxelles, 1050 Brussels, Belgium
| | - Bérenger Kaboré
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218 Ouaga CMS 11, Nanoro, Burkina Faso; (T.R.); (B.K.)
| | - Jan Jacobs
- Unit of Bacteriology, Institute of Tropical Medicine Antwerp, 2000 Antwerpen, Belgium;
| | - Koen Peeters Grietens
- Socio-Ecological Health Research Unit, Institute of Tropical Medicine Antwerp, 2000 Antwerpen, Belgium;
- School of Tropical Medicine and Global Health, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Salla Sariola
- Sociology, Faculty of Social Sciences, University of Helsinki, 00014 Helsinki, Finland;
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Fuhrmeister ER, Kim S, Mairal SA, McCormack C, Chieng B, Swarthout JM, Harvey Paulos A, Njenga SM, Pickering AJ. Context-Seq: CRISPR-Cas9 Targeted Nanopore Sequencing for Transmission Dynamics of Antimicrobial Resistance. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.09.12.612745. [PMID: 39314343 PMCID: PMC11419053 DOI: 10.1101/2024.09.12.612745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/25/2024]
Abstract
Antimicrobial resistance (AMR) aligns with a One Health framework in that resistant bacteria and antibiotic resistance genes (ARGs) can be transmitted between humans, animals, and the environment. However, there is a critical need to more precisely understand how and to what extent AMR is exchanged between animals and humans. Metagenomic sequencing has low detection for rare targets such as ARGs, while whole genome sequencing of isolates is burdensome and misses exchange between uncultured bacterial species. We developed a novel, targeted sequencing assay using CRISPR-Cas9 to selectively sequence ARGs and their genomic context with long-read sequencing. Using this method, termed Context-Seq, we investigated overlapping AMR elements containing the ARGs bla CTX-M and bla TEM between adults, children, poultry, and dogs in animal-owning households in Nairobi, Kenya. We identified 22 genetically distinct clusters (> 80%ID over ≥ 3000 bp) containing bla TEM and one cluster containing bla CTX-M that were shared within and between households. Half of the clusters were shared between humans and animals, while the other half were shared only between animals (poultry-poultry, dog-dog, and dog-poultry). We identified potentially pathogenic hosts of ARGs including Escherichia coli, Klebsiella pneumonia, and Haemophilus influenzae across sample types. Context-Seq complements conventional methods to obtain an additional view of bacterial and mammalian hosts in the proliferation of AMR.
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Affiliation(s)
- Erica R. Fuhrmeister
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, Washington, USA
- Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
| | - Sooyeol Kim
- Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
| | - Shruteek A. Mairal
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, USA
| | - Caroline McCormack
- Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
| | - Benard Chieng
- Eastern and Southern Africa Centre of International Parasite Control, Kenya Medical Research Institute, Nairobi, Kenya
| | - Jenna M. Swarthout
- Department of Civil and Environmental Engineering, Tufts University, Medford, MA, USA
| | - Abigail Harvey Paulos
- Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
| | - Sammy M. Njenga
- Eastern and Southern Africa Centre of International Parasite Control, Kenya Medical Research Institute, Nairobi, Kenya
| | - Amy J. Pickering
- Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
- Blum Center for Developing Economies, University of California, Berkeley, CA, USA
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Charria-Girón E, Zeng H, Gorelik TE, Pahl A, Truong KN, Schrey H, Surup F, Marin-Felix Y. Arcopilins: A New Family of Staphylococcus aureus Biofilm Disruptors from the Soil Fungus Arcopilus navicularis. J Med Chem 2024; 67:15029-15040. [PMID: 39141525 PMCID: PMC11403616 DOI: 10.1021/acs.jmedchem.4c00585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Biofilms represent a key challenge in the treatment of microbial infections; for instance, Staphylococcus aureus causes chronic or fatal infections by forming biofilms on medical devices. Herein, the fungus Arcopilus navicularis was found to produce a novel family of PKS-NRPS metabolites that are able to disrupt preformed biofilms of S. aureus. Arcopilins A-F (1-6), tetramic acids, and arcopilin G (7), a 2-pyridone, were elucidated using HR-ESI-MS and one-dimensional (1D) and two-dimensional (2D) nuclear magnetic resonance (NMR) spectroscopy. Their absolute configuration was established by the synthesis of MPTA-esters for 2, analysis of 1H-1H coupling constants, and ROESY correlations, along with comparison with the crystal structure of 7. Arcopilin A (1) not only effectively disrupts preformed biofilms of S. aureus but also potentiates the activity of gentamicin and vancomycin up to 115- and 31-fold times, respectively. Our findings demonstrate the potential application of arcopilins for the conjugated treatment of infections caused by S. aureus with antibiotics unable to disrupt preformed biofilms.
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Affiliation(s)
- Esteban Charria-Girón
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Haoxuan Zeng
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Tatiana E Gorelik
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research (HZI), Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, 66123 Saarbrücken, Germany
| | - Alexandra Pahl
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
| | - Khai-Nghi Truong
- Rigaku Europe SE, Hugenottenallee 167, 63263 Neu-Isenburg, Germany
| | - Hedda Schrey
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Frank Surup
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Yasmina Marin-Felix
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
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Gobezie MY, Tesfaye NA, Faris AG, Hassen M. Surveillance of antimicrobial utilization in Africa: a systematic review and meta-analysis of prescription rates, indications, and quality of use from point prevalence surveys. Antimicrob Resist Infect Control 2024; 13:101. [PMID: 39256804 PMCID: PMC11389494 DOI: 10.1186/s13756-024-01462-w] [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: 05/06/2024] [Accepted: 09/04/2024] [Indexed: 09/12/2024] Open
Abstract
BACKGROUND Antimicrobial resistance (AMR) is a global public health concern that is fueled by the overuse of antimicrobial agents. Low- and middle-income countries, including those in Africa,. Point prevalence surveys (PPS) have been recognized as valuable tools for assessing antimicrobial utilization and guiding quality improvement initiatives. This systematic review and meta-analysis aimed to evaluate the prescription rates, indications, and quality of antimicrobial use in African health facilities. METHODS A comprehensive search was conducted in multiple databases, including PubMed, Scopus, Embase, Hinari (Research4Life) and Google Scholar. Studies reporting the point prevalence of antimicrobial prescription or use in healthcare settings using validated PPS tools were included. The quality of the studies was assessed using the Joanna Briggs Institute (JBI) critical appraisal checklist. A random-effects meta-analysis was conducted to combine the estimates. Heterogeneity was evaluated using Q statistics, I² statistics, meta-regression, and sensitivity analysis. Publication bias was assessed using a funnel plot and Egger's regression test, with a p-value of < 0.05 indicating the presence of bias. RESULTS Out of 1790 potential studies identified, 32 articles were included in the meta-analysis. The pooled prescription rate in acute care hospitals was 60%, with significant heterogeneity (I2 = 99%, p < 0.001). Therapeutic prescriptions constituted 62% of all the prescribed antimicrobials. Prescription quality varied: documentation of reasons in notes was 64%, targeted therapy was 10%, and parenteral prescriptions were 65%, with guideline compliance at 48%. Hospital-acquired infections comprised 20% of all prescriptions. Subgroup analyses revealed regional disparities in antimicrobial prescription prevalence, with Western Africa showing a prevalence of 65% and 44% in Southern Africa. Publication bias adjustment estimated the prescription rate at 54.8%, with sensitivity analysis confirming minor variances among studies. CONCLUSION This systematic review and meta-analysis provide valuable insights into antimicrobial utilization in African health facilities. The findings highlight the need for improved antimicrobial stewardship and infection control programs to address the high prevalence of irrational antimicrobial prescribing. The study emphasizes the importance of conducting regular surveillance through PPS to gather reliable data on antimicrobial usage, inform policy development, and monitor the effectiveness of interventions aimed at mitigating AMR.
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Affiliation(s)
- Mengistie Yirsaw Gobezie
- Department of Clinical Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia.
| | - Nuhamin Alemayehu Tesfaye
- Department of Clinical Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Abebe Getie Faris
- Department of Clinical Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Minimize Hassen
- Department of Clinical Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
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Mahmudul Islam AFM, Raihan MA, Ahmed KT, Islam MS, Nusrat NA, Hasan MA, Emran MGI, Das AK, Lamisa AB, Ahmed T, Happy HA, Khatoon MM. Prevalence of inappropriate antibiotic doses among pediatric patients of inpatient, outpatient, and emergency care units in Bangladesh: A cross-sectional study. PLOS GLOBAL PUBLIC HEALTH 2024; 4:e0003657. [PMID: 39255277 PMCID: PMC11386430 DOI: 10.1371/journal.pgph.0003657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 08/07/2024] [Indexed: 09/12/2024]
Abstract
The heterogeneous pediatric populations, their physiological differences, along with the necessity of performing additional dose calculation, make the pediatric population more vulnerable to the incidences of inappropriate antibiotic doses. This study was conducted to examine and evaluate the appropriateness of antibiotic doses. A cross-sectional study with a quantitative approach was conducted in three hospitals located in Savar from January 06, 2021 to October 17, 2022. This study had used a convenient sampling method to collect 405 filled prescription orders from heterogeneous pediatric patients prescribed by physicians from emergency, inpatient, and outpatient care units of various clinical settings. The Harriet Lane Handbook was used as reference to investigate inappropriate doses of antibiotics. Subsequently, all analyses were conducted using the RStudio 1.3.959 software. Binary logistic regression was used to assess the risk of inappropriate antibiotic prescription in pediatrics. The overall prevalence of inappropriate antibiotic dosing in pediatrics was 335 out of 545 (61.5%). Overdosing (36.3%) and oral antibiotic prescriptions (64%) were more common than underdosing (20.4%) and parenteral antibiotics (36%). The majority (230 out of 405, 56.8%) of pediatric patients had prescriptions with inappropriate antibiotic doses, with prevalence rates of 33.8% for inpatients, 86.7% for outpatients, and 50% for emergency pediatrics. The results also indicated that pediatric patients in outdoor and emergency care units, infants, toddlers, and early childhood, those prescribed two antibiotics simultaneously, and those receiving parenteral antibiotics, were less likely to have inappropriate antibiotic dosages in their prescriptions. This study demonstrated that about one out of every two prescriptions had inappropriate antibiotic doses; in particular, prescriptions containing only one antibiotic exhibited a substantial proportion of inappropriate antibiotic doses. Inappropriate antibiotic doses may result in therapeutic failure, patient harm, and antibiotic resistance. Good clinical pharmacy practice and careful adherence to pediatric dosing standards may minimize inappropriate antibiotic doses.
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Affiliation(s)
| | - Md Abu Raihan
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | | | - Md Saiful Islam
- Department of Public Health & Informatics, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Nahria Amin Nusrat
- Department of Pharmaceutical Sciences, School of Health and Life Science, North South University, Dhaka, Bangladesh
| | - Md Asif Hasan
- Department of Pharmacy, Gono Bishwabidyalay, Savar, Dhaka, Bangladesh
- Department of Pharmaceutical Sciences, School of Health and Life Science, North South University, Dhaka, Bangladesh
| | - Md Galib Ishraq Emran
- Department of Environmental Sciences, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Ananta Kumar Das
- Department of Pharmacy, Gono Bishwabidyalay, Savar, Dhaka, Bangladesh
| | - Anika Bushra Lamisa
- Department of Biochemistry and Microbiology, School of Health and Life Science, North South University, Dhaka, Bangladesh
| | - Tania Ahmed
- Department of Pharmacy, Gono Bishwabidyalay, Savar, Dhaka, Bangladesh
- Department of Pharmaceutical Sciences, School of Health and Life Science, North South University, Dhaka, Bangladesh
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Kasse GE, Cosh SM, Humphries J, Islam MS. Antimicrobial prescription pattern and appropriateness for respiratory tract infection in outpatients: a systematic review and meta-analysis. Syst Rev 2024; 13:229. [PMID: 39243046 PMCID: PMC11378372 DOI: 10.1186/s13643-024-02649-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 08/28/2024] [Indexed: 09/09/2024] Open
Abstract
BACKGROUND Millions of people die every year as a result of antimicrobial resistance worldwide. An inappropriate prescription of antimicrobials (e.g., overuse, inadequate use, or a choice that diverges from established guidelines) can lead to a heightened risk of antimicrobial resistance. This study aimed to determine the rate and appropriateness of antimicrobial prescriptions for respiratory tract infections. METHODS This review was conducted in accordance with the PRISMA guidelines. Web of Science, PubMed, ProQuest Health and Medicine, and Scopus were searched between October 1, 2023, and December 15, 2023, with no time constraints. Studies were independently screened by the first author and the co-authors. We included original studies reporting antimicrobial prescription patterns and appropriateness for respiratory tract infections. The quality of included studies' was assessed via the Joanna Briggs Institute's Critical Appraisal Checklists for Cross-Sectional Studies. The assessment of publication bias was conducted using a funnel plot and Egger's regression test. A random effect model was employed to estimate the pooled antibiotic prescribing and inappropriate rates. Subgroup analysis was conducted by country, study period, data source, and age group. RESULTS Of the total 1220 identified studies, 36 studies were included in the review. The antimicrobial prescribing rate ranged from 25% (95% CI 0.24-0.26) to 90% (95% CI 0.89-0.91). The pooled antimicrobial prescription rate was 66% (95% CI 0.57 to 0.73). Subgroup analysis by region revealed that the antimicrobial prescription rate was highest in Africa (79%, 95% CI 0.48-0.94) and lowest in Europe (47%, 95% CI 0.32-0.62). Amoxicillin and amoxicillin-clavulanate antimicrobials from the Access group, along with azithromycin and erythromycin from the Watch group, were the most frequently used antimicrobial agents. This study revealed that the major reasons for antimicrobial prescription were acute bronchitis, pharyngitis, sinusitis, and the common cold. The pooled inappropriate antimicrobial prescription rate was 45% (95% CI 0.38-0.52). Twenty-eight of the included studies reported that prescribing antimicrobials without proper indications was the main cause of inappropriate antimicrobial prescriptions. Additionally, subgroup analysis by region showed a higher inappropriate antimicrobial prescription rate in Asia at 49% (95% CI 0.38-0.60). The result of the funnel plot and Egger's tests revealed no substantial publication bias (Egger's test: p = 0.268). CONCLUSION The prescribing rate and inappropriate use of antimicrobials remain high and vary among countries. Further studies should be conducted to generate information about factors contributing to unnecessary antimicrobial prescriptions in outpatients. SYSTEMATIC REVIEW REGISTRATION Systematic review registration: CRD42023468353.
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Affiliation(s)
- Gashaw Enbiyale Kasse
- School of Health, Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia.
- Department of Clinical Medicine, College of Veterinary Medicine and Animal Science, University of Gondar, Gondar, 196, Ethiopia.
| | - Suzanne M Cosh
- School of Psychology, Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Judy Humphries
- School of Health, Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
| | - Md Shahidul Islam
- School of Health, Faculty of Medicine and Health, University of New England, Armidale, 2351, Australia
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Guimarães FS, Dal-Pizzol TDS, Silveira MPT, Bertoldi AD. Prevalence of systemic antibacterial use during pregnancy worldwide: A systematic review. PLoS One 2024; 19:e0309710. [PMID: 39240933 PMCID: PMC11379220 DOI: 10.1371/journal.pone.0309710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 08/18/2024] [Indexed: 09/08/2024] Open
Abstract
OBJECTIVES In this study, we aimed to systematically review the literature of the prevalence of systemic antibacterial use during pregnancy and to perform a descriptive analysis focused on methodological characteristics. MATERIALS AND METHODS This study was registered in PROSPERO under protocol number CRD42022376634. Medline, Embase, Scientific Electronic Library Online, Biblioteca Virtual em Saúde, Cumulative Index to Nursing and Allied Health Literature, and Web of Science databases were searched (published studies until November 3rd, 2022). Selected studies were population-based cross-sectional or cohort, carried out with pregnant women, and providing information about the prevalence of systemic antibacterial use at least in one trimester of pregnancy. Reviewers conducted in pairs the title and abstract screening, eligibility criteria check, and data extraction of selected studies. Quality appraisal was performed with an adapted version of the Joanna Briggs Institute Critical Appraisal Checklist for Prevalence Studies. Data of included studies were pooled into a graphical and tabular summary. RESULTS A total of 16,251,280 pregnant women and 5,169,959 pregnancy registers were identified. The prevalence estimates of systemic antibacterial use during pregnancy ranged from 2.0% (95%CI 2.0-2.0) to 64.3% (95%CI not reported) in the 79 included studies. The majority were performed in high-income countries (91.5%). Overall, the studies revealed considerable prevalence heterogeneity in terms of study type and dataset used. The 95% confidence intervals were not reported in 41% of studies. CONCLUSION The disparities in the prevalence of systemic antibacterial use during pregnancy can be related to methodological issues and different health policies. Lack of uniform databases and changes in data collection methods over time should be taken into account in public health strategy planning. The scarce evidence in low- and middle-income settings hampers the comprehensiveness of the global prevalence of antibacterial use during pregnancy.
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Aboderin AO, Amfoabegyi S, Awopeju AT, Bahrami-Hessari M, Garchie EIA, Gill M, Karikari A, Kirby A, Makanjuola O, Mutiu B, Offiong AB, Oshun PO, Osumanu HA, Owusu-Ofori A, Varghese SR, Adam-Zakariah LI, Adebanjo AT, Aguirre CC, Akoto E, Aminu A, Armah R, Aruldas ND, Choudhrie AV, Coompson CL, Ekwunife OH, Fourtounas M, Lawani S, Mathew AJ, Patel A, Ademuyiwa AO, Hardy P, Runigamugabo E, Sodonougbo P, Behanzin H, Kangni S, Agboton G, Adagrah LA, Adjei-Acquah E, Acquah AO, Ankomah J, Armah R, Acquah R, Addo KG, Acheampong DO, Adu-Aryee NA, Abubakari F, Titigah A, Owusu F, Adu-Brobbey R, Adobea V, Abantanga FA, Gautham A, Bhatti D, Jesudason EDM, Aggarwal M, Alexander P, Dasari A, Alpheus R, Kumar H, Raul S, Bueno WÁ, Ortiz RC, Gomez IB, Cerdan CC, Gallo MB, Gamez RR, Sánchez ID, Abdullahi L, Adesanya O, Abdulsalam M, Adeleye V, Egwuonwu O, Adeleke A, Adebayo F, Chiejina G, Abayomi O, Abdur-Rahman L, Ede J, Ezinne U, Kanyarukiko S, Dusabe M, Hirwa AD, Bucyibaruta G, Adams MA, Birtles C, Ally Z, Adewunmi AS, Cook J, Brown J, Adisa AO, Ismail L, Bhangu A, Omar O, Simoes JFF, Li E, Chaudhry D, Saeed S, Spurring EM, Verjee A, Assouto P, Seto DM, Kpangon C, Ahossi R, Alhassan BBA, Agyekum V, Adam-Zakariah LI, Assah-Adjei F, Asare C, Amoako J, Akosa EA, Acquaye J, Adjei F, Ballu C, Coompson CL, Bennin A, Abdulai DR, Hepzibah A, Bhatti W, Paul PK, Dhamija P, Thomas J, Jacob P, Choudhrie A, Peters N, Sharma R, Camacho FB, Gonzalez GH, Aguirre CC, Solano DD, Flores AC, Menindez RL, Vazquez DG, Ado K, Awonuga D, Adeniran A, Ademuyiwa A, Ekwunife O, Adenikinju W, Aisuodionoe-Shadrach O, Edet E, Abdus-Salam R, Adeleke N, Ekenze S, Francis M, Mukaneza F, Izabiriza E, Kabanda E, Bunogerane GJ, Crawford R, Ivy M, Jayne D, Cousens S, Chakrabortee S, Ghosh D, Gyamfi FE, Brant F, Fiogbe M, Tandje Y, Akpla M, Ngabo RB, Amoako-Boateng MP, Agyemang E, Asabre E, Boakye AA, Gakpetor DA, Appiah AD, Boakye P, Adinku M, Akoto E, Barimah CG, Labaran AH, Dankwah F, Acquah DK, Mary G, Bir K, Madankumar L, Gupta H, Zechariah P, Kurien E, Vakil R, Hernández AB, Krauss RH, Avendaño AC, Garcia RT, Ojeda AG, Peón AN, Lara MM, Aliyu M, Fasiku O, Ajai O, Adeniyi O, Modekwe V, Adeniyi O, Akaba G, Inyang A, Adebayo S, Adesola M, Enemuo V, Ikechukwu I, Mukantibaziyaremye D, Maniraguha HL, Mbonimpaye S, Habumuremyi S, Ede CJ, Mbavhalelo C, Laurberg S, Smart N, de la Medina AR, Brocklehurst P, Koco H, Chobli HH, Bisimwa N, Appiah AB, Akesseh RA, Boateng RA, Fosu G, Gawu VS, Aseti M, Coompson CL, Agbedinu K, Ametefe E, Boateng GC, Owusu JA, Doe S, Ayingayure E, Singh D, Daniel S, Mittal R, Kanna V, Mathew A, Arellano AB, Miguelena LH, Sansores LD, Velasco MJ, Muñoz MP, Perez-Maldonado LM, Anyanwu LJ, Ogo C, Akande O, Akinajo O, Okoro C, Adepiti A, Ameh L, Isa M, Ajao A, Afolabi R, Eze M, Nnyonno O, Munyaneza A, Mpirimbanyi C, Mukakomite C, Haragirimana JDD, Fourtounas M, Moore R, Chakrabortee S, Metchinhoungbe S, Kovohouande B, Kandokponou CMB, Asante-Asamani A, Amponsah-Manu F, Koomson B, Serbeh G, Obbeng A, Banka C, Gyamfi B, Agbeko AE, Amoako JK, Luri PT, Kantanka RS, Osman I, Dhar T, Nagomy I, Kumar A, Prakash D, Torres EC, Romero MH, Mejia HO, de la Fuente ANS, Magashi M, Atobatele K, Akinboyewa D, Uche C, Aderounmu A, Mbajiekwe N, Iseh F, Amusat O, Agodirin S, Ezomike U, Okoro P, Ndegamiye G, Mutuyimana J, Muroruhirwe P, Imanishimwe A, Hyman G, Hardy P, Ntirenganya F, Sogbo H, Dokponou M, Boakye B, Ofosu-Akromah R, Kusiwaa A, Gyan KY, Ofosuhene D, Dadzie S, Kontor BE, Amankwa EG, Attepor GS, Kobby E, Kunfah S, Dhiman J, Selvakumar R, Singh G, Susan A, Orozco CF, del Campo LUG, de la Medina ARD, Muhammad A, Eke G, Alasi I, Ugwuanyi K, Adesunkanmi A, Ogbo F, Marwa A, Ayandipo O, Aremu I, Izuka E, Patrick I, Tubasiime R, Mwenedata O, Ingabire JCA, Khan Z, Harrison E, Tabiri S, Glasbey J, Dossou FM, Debrah SA, Enti D, Twerefour EY, Nyarko IO, Osei-Poku D, Essien D, Kyeremeh C, Amoah M, Brown GD, Larnyor KKKH, Limann G, Ghosh D, Shankar B, Varghese R, de Rojas EGG, Muhammad S, Faboya O, Alakaloko F, Ugwunne C, Adisa A, Olori S, Ogbeche S, Egbuchulem K, Bello J, Mbadiwe O, Raphael J, Rwagahirima E, Mukanyange V, Kwati M, Dzemta C, Ganiyu RA, Robertson Z, Puozaa D, Gyamfi FE, Manu R, Amoah G, Fenu B, Osei E, Mohammed SA, Goyal S, Sivakumar M, Muideen B, Imam Z, Atoyebi O, Ajekwu S, Osagie O, Olory E, Ekwuazi H, Lawal S, Mbah N, Vaduneme O, Uwizeyimana F, Munyaneza E, Mathe MN, Haque PD, Gaou A, Koggoh P, Tackie E, Hussey R, Mensah E, Appiah J, Kumassah PK, Owusu PY, Mohammed S, Goyal A, Sridhar R, Ramírez BG, Takai I, Momson E, Balogun O, Ajenjfuja O, Sadiq A, Udie G, Elemile P, Lawal A, Victor A, Zirikana J, Mutabazi E, Moore R, Heritage E, Goudou R, Kpankpari R, Temitope AE, Kwarteng J, Solae FI, Arthur J, Olayiwola DO, Sie-Broni CA, Musah Y, Goyal S, Thomas C, Valadez MHV, Ukata O, Nwaenyi F, Belie O, Akindojutimi J, Sani S, Udosen J, Lawal T, Raji H, Ncogoza I, Nhlabathi NA, Hedefoun E, Opandoh INM, Sowah NA, Toffah GK, Ayim A, Wordui T, Zume M, Ofori B, Hans M, Titus D, Acevedo DL, Ogunyemi A, Bode C, Akinkuolie A, Tabuanu N, Usang U, Lawal O, Sayomi O, Ntirenganya F, Nxumalo HS, Kroese K, Houtoukpe S, Manu MA, Yeboah G, Ayodeji EK, Agboadoh N, Owusu EA, Haque P, Galaviz RM, Oludara M, Ekwesianya A, Alatise O, Uanikhoba M, Olagunju S, Shittu A, Nyirahabimana J, Pattinson P, Lillywhite R, Lapitan C, Kamga F, Manu MPO, Yeboah C, Boakye-Yiadom J, Saba AH, Konda S, Flores OO, Omisanjo O, Elebute O, Allen O, Osuala P, Urimubabo C, Sentholang N, Kiki-Migan E, Mensah S, Boateng EA, Seidu AS, Luther A, Navarro JP, Oshodi O, Ezenwankwo F, Amosu L, Suleman B, Sethoana ME, Lissauer D, Lawani S, Morna MT, Dally C, Tabiri S, Mahajan A, Belmontes KP, Oshodi Y, Fatuga A, Archibong M, Takure A, Stassen ME, Magill L, Lawani I, Nkrumah J, Davor A, Yakubu M, Makkar S, Marbello FR, Oyewole Y, Ihediwa G, Arowolo O, Thornley L, Morton D, Loko R, Nortey M, Gyasi-Sarpong CK, Yenli EMTA, Mandrelle K, Ramírez-González L, Salami O, Jimoh A, Ayantona D, Wondoh P, Nepogodiev D, Mistry P, Moutaïrou A, Ofori EO, Hamidu NNN, Michael V, Aguirre LR, Williams O, Kuku J, Ayinde A, Monahan M, Ogouyemi P, Quartson EMQ, Haruna I, Mukherjee P, García RR, Ladipo-Ajayi O, Badejoko O, Soumanou F, Kwarley N, Rajappa R, Robles EV, Makanjuola A, Badmus T, Smith D, Tamadaho P, Lovi AK, Singh P, Mokwenyei O, Etonyeaku A, Zounon MA, Nimako B, Suroy A, Nwokocha S, Igbodike E, Nyadu BB, Thind R, Ogein O, Ijarotimi O, Opoku D, Thomas A, Ojewola R, Lawal A, Pinkney T, Osabutey A, Tuli A, Oladimeji A, Nana F, Roberts T, Sagoe R, Veetil S, Olajide T, Oduanafolabi T, Tuffour S, Oluseye O, Olasehinde O, Tufour Y, Seyi-Olajide J, Olayemi O, Winkles N, Yamoah FA, Soibi-Harry A, Omitinde S, Yefieye AC, Ugwu A, Oni O, Yorke J, Williams E, Onyeze C, Orji E, Rotimi A, Salako A, Solaja O, Sowemimo O, Talabi A, Tajudeen M, Wuraola F. Microbiology testing capacity and antimicrobial drug resistance in surgical-site infections: a post-hoc, prospective, secondary analysis of the FALCON randomised trial in seven low-income and middle-income countries. Lancet Glob Health 2024:S2214-109X(24)00330-9. [PMID: 39245054 DOI: 10.1016/s2214-109x(24)00330-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 07/21/2024] [Accepted: 07/25/2024] [Indexed: 09/10/2024]
Abstract
BACKGROUND Surgical-site infection (SSI) is one of the most common health-care-associated infections, substantially contributing to antibiotic use. Targeted antibiotic prophylaxis to prevent SSIs and effective treatment are crucial to controlling antimicrobial resistance (AMR). This study aimed to describe the testing capacity and multidrug resistance (MDR) of SSI microorganisms in low-income and middle-income countries (LMICs). METHODS This analysis included patients undergoing abdominal surgery in seven LMICs (Benin, Ghana, India, Mexico, Nigeria, Rwanda, and South Africa) as part of the FALCON randomised controlled trial. Wound swabs were collected from patients diagnosed with SSI, as per US Centers for Disease Control and Prevention (CDC) definition. Data on microorganism species and MDR, as per CDC and European Centre for Disease Prevention and Control definitions, were analysed alongside hospital-level data on local microbiological practices. An adjusted analysis was performed to identify perioperative factors associated with MDR. Testing capacity was assessed by the completion of swab testing in positively diagnosed SSIs. FINDINGS Between Dec 10, 2018, and Sept 7, 2020, 5788 patients were recruited to the FALCON trial. 1163 patients were diagnosed with an SSI, of whom 905 (77·8%) received prophylactic antibiotics before surgery. In patients with SSIs, 935 of 1163 (80·4%) did not have a wound swab; 195 were from hospitals not performing swabs (15 hospitals) and 740 were from hospitals with capacity but no swab performed (35 hospitals). Of 228 patients swabbed, 200 (88·5%) had microorganisms detected. Escherichia coli (89 of 200, 37·9%) was the most common microorganism and 116 of 200 (58·0%) patients were not covered by the perioperative prophylactic antibiotic. MDR was found in 102 of 147 (69·4%) patients for whom data were available to determine MDR status. Adjusted analysis found that appropriate prophylactic antibiotic coverage (adjusted odds ratio 0·43, 95% CI 0·19-0·96) and regular availability of infection control teams (0·32, 0·11-0·93) were associated with a significant reduction in MDR. INTERPRETATION Targeted perioperative antibiotic prophylaxis during contaminated abdominal surgery is insufficient in LMICs, with very few SSI organisms undergoing formal diagnosis. Expansion of testing capacity, development of local guidelines, and implementation of infection control teams could support the prevention of SSI through directed antibiotic prophylaxis, subsequently reducing the burden of MDR. FUNDING National Institute for Health and Care Research. TRANSLATIONS For the French and Spanish translations of the abstract see Supplementary Materials section.
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Singh A, Tanwar M, Singh TP, Sharma S, Sharma P. An escape from ESKAPE pathogens: A comprehensive review on current and emerging therapeutics against antibiotic resistance. Int J Biol Macromol 2024; 279:135253. [PMID: 39244118 DOI: 10.1016/j.ijbiomac.2024.135253] [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: 05/22/2024] [Revised: 08/29/2024] [Accepted: 08/30/2024] [Indexed: 09/09/2024]
Abstract
The rise of antimicrobial resistance has positioned ESKAPE pathogens as a serious global health threat, primarily due to the limitations and frequent failures of current treatment options. This growing risk has spurred the scientific community to seek innovative antibiotic therapies and improved oversight strategies. This review aims to provide a comprehensive overview of the origins and resistance mechanisms of ESKAPE pathogens, while also exploring next-generation treatment strategies for these infections. In addition, it will address both traditional and novel approaches to combating antibiotic resistance, offering insights into potential new therapeutic avenues. Emerging research underscores the urgency of developing new antimicrobial agents and strategies to overcome resistance, highlighting the need for novel drug classes and combination therapies. Advances in genomic technologies and a deeper understanding of microbial pathogenesis are crucial in identifying effective treatments. Integrating precision medicine and personalized approaches could enhance therapeutic efficacy. The review also emphasizes the importance of global collaboration in surveillance and stewardship, as well as policy reforms, enhanced diagnostic tools, and public awareness initiatives, to address resistance on a worldwide scale.
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Affiliation(s)
- Anamika Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Mansi Tanwar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - T P Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Sujata Sharma
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
| | - Pradeep Sharma
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
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Al Masud A, Walpola RL, Sarker M, Kabir A, Asaduzzaman M, Islam MS, Mostafa AT, Akhtar Z, Barua M, Seale H. Understanding antibiotic purchasing practices in community pharmacies: A potential driver of emerging antimicrobial resistance. EXPLORATORY RESEARCH IN CLINICAL AND SOCIAL PHARMACY 2024; 15:100485. [PMID: 39318500 PMCID: PMC11419887 DOI: 10.1016/j.rcsop.2024.100485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 07/29/2024] [Accepted: 07/29/2024] [Indexed: 09/26/2024] Open
Abstract
Introduction Antimicrobial resistance (AMR), a transboundary health issue, critically impacting low- and middle-income countries (LMICs) where 80% of antibiotics are used in the community, with 20-50% being inappropriate. Southeast-Asia, including Bangladesh, faces heightened AMR risk due to suboptimal healthcare standard and unregulated antibiotic sales. This study aimed to audit antibiotic dispensing patterns from community pharmacies, identifying factors influencing purchasing behaviors. Methods A cross-sectional survey of 385 antibiotic customers and structured observations of 1000 pharmacy dispensing events were conducted in four urban and rural areas in Bangladesh. Descriptive analysis defined antibiotic use, while Poisson regression examined how patients' demographics and health symptoms influenced prescription behaviors. Results Among 1000 observed medicine dispensing events, 25.9% were antibiotics. Commonly purchased antibiotics included macrolides (22.8%), third-generation-cephalosporins (20.8%), and second-generation-cephalosporins (16.9%). Following WHO-AWaRe classifications, 73.5% of antibiotics were categorized as Watch, and 23.1% as Access. From the survey, 56.6% antibiotics were purchased without a prescription from drug-sellers and informal healthcare providers, primarily for "non-severe" health-symptoms such as upper-respiratory-tract infections (37.4%), fever (31.7%), uncomplicated skin infections (20%), gastrointestinal-infections (11.2%), and urinary-tract infections (7.9%). The likelihood of presenting a prescription while purchasing antibiotics was 27% lower for individuals aged 6-59 compared to those ≤5 or ≥ 60. Lower-respiratory-tract infections and enteric-fever had higher prescription rates, with adjusted prevalence ratios of 1.78 (95% CI: 1.04, 3.03) and 1.87 (95% CI: 1.07, 3.29), respectively. After adjusting for confounders, sex, urban-rural locations, income, education, and number of health-symptoms exhibited no significant influence on prescription likelihood. Conclusion This study underscores unregulated antibiotic sales without prescriptions, urging tailored interventions considering prevailing health-seeking practices in diverse healthcare settings in LMICs. Enforcing prescription-only regulations is hindered by easy access through community pharmacies and conflicts of interest. Future strategies should consider how stewardship impacts the financial interests of pharmacy personnel in settings lacking clear authority to ensure optimal compliance.
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Affiliation(s)
- Abdullah Al Masud
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | - Ramesh Lahiru Walpola
- School of Health Sciences, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | - Malabika Sarker
- BRAC James P. Grant School of Public Health, Bangladesh
- Heidelberg Institute of Global Health, Heidelberg University, Germany
| | - Alamgir Kabir
- The George Institute for Global Health, University of New South Wales, Sydney, Australia
| | - Muhammad Asaduzzaman
- Department of Community Medicine and Global Health, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Md Saiful Islam
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | | | - Zubair Akhtar
- The Kirby Institute, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | | | - Holly Seale
- School of Population Health, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
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Xia H, Li J, Yang X, Zeng Y, Shi L, Li X, Qiu S, Yang S, Zhao M, Chen J, Yang L. Impacts of pharmacist-led multi-faceted antimicrobial stewardship on antibiotic use and clinical outcomes in urology department of a tertiary hospital in Guangzhou, China: an interrupted time-series study. J Hosp Infect 2024; 151:148-160. [PMID: 38795904 DOI: 10.1016/j.jhin.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/15/2024] [Accepted: 05/01/2024] [Indexed: 05/28/2024]
Abstract
BACKGROUND Research on the effectiveness of pharmacist-led antimicrobial stewardship programmes (ASPs) in the urology department is limited. AIM To evaluate the impact of pharmacist-led multi-faceted ASPs on antibiotic use and clinical outcomes. METHODS A prescription review of inpatients receiving one or more antibiotics in the urology department of a large teaching hospital in Guangzhou, China, was conducted from April 2019 to March 2023. The pharmacist-led multi-faceted ASP intervention included guideline development, training, medication consultation, review of medical orders, indicator monitoring, and consultation. The primary outcome was antibiotic consumption. The data were analysed using interrupted time-series (ITS) analysis. FINDINGS Following the implementation of ASPs, an immediate decrease was observed in total antibiotic consumption, antibiotic use rate, second-generation cephalosporins, third-generation cephalosporins, fluoroquinolones, and WHO Watch category antibiotics. No differences were observed in mortality rate before and after the intervention, and no significant short- or long-term effects were found on length of hospital stay (LOS) using ITS. However, there was a significant short-term effect on average antibiotic cost. CONCLUSION The implementation of pharmacist-led multi-faceted ASPs had positive impacts on reducing antimicrobial consumption without increasing LOS, antibiotic cost, or mortality rate.
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Affiliation(s)
- H Xia
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - J Li
- Department of Pharmacy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - X Yang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Y Zeng
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - L Shi
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - X Li
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - S Qiu
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - S Yang
- Department of Pulmonary and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China
| | - M Zhao
- Department of Pulmonary and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China
| | - J Chen
- Department of Pharmacy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
| | - L Yang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Sun Yat-sen Global Health Institute, Institute of State Governance, Sun Yat-sen University, Guangzhou, China; Institute for Global Health and Development, Peking University, Beijing, China.
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Pastor-Lopez EJ, Casas ME, Hellman D, Müller JA, Matamoros V. Nature-based solutions for antibiotics and antimicrobial resistance removal in tertiary wastewater treatment: Microbiological composition and risk assessment. WATER RESEARCH 2024; 261:122038. [PMID: 38996727 DOI: 10.1016/j.watres.2024.122038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/15/2024] [Accepted: 07/02/2024] [Indexed: 07/14/2024]
Abstract
This field-scale study evaluates the seasonal effectiveness of employing nature-based solutions (NBSs), particularly surface flow and horizontal subsurface flow constructed wetland configurations, as tertiary treatment technologies for the removal of antibiotics (ABs) and antibiotic resistance genes (ARGs) compared to a conventional treatment involving UV and chlorination. Out of the 21 monitored ABs, 13 were detected in the influent of three tertiary wastewater treatments, with concentrations ranging from 2 to 1218 ng·L-1. The ARGs sul1 and dfrA1 exhibited concentrations ranging from 1 × 105 to 9 × 106 copies/100 mL. NBSs were better at reducing ABs (average 69 to 88 %) and ARGs (2-3 log units) compared to the conventional tertiary system (average 36 to 39 % and no removal to 2 log units) in both seasons. Taxonomic compositions in influent water samples shifted from wastewater-impacted communities (Actinomycetota and Firmicutes) to a combination of plant rhizosphere-associated and river communities in NBS effluents (Alphaproteobacteria). In contrast, the conventional technology showed no substantial differences in community composition. Moreover, NBSs substantially reduced the ecotoxicological risk assessment (cumulative RQs). Furthermore, NBSs reduced the ecotoxicological risk (cumulative RQs) by an average of over 70 % across seasons, whereas the benchmark technology only achieved a 6 % reduction. In conclusion, NBSs present a robust alternative for minimizing the discharge of ABs and ARGs into surface water bodies.
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Affiliation(s)
- Edward J Pastor-Lopez
- Department of Environmental Chemistry. IDAEA-CSIC, Jordi Girona, 18-26, 08034, Barcelona, Spain
| | - Mònica Escola Casas
- Department of Environmental Chemistry. IDAEA-CSIC, Jordi Girona, 18-26, 08034, Barcelona, Spain
| | - Dominik Hellman
- Institute for Biological Interfaces (IBG-5), Karlsruhe Institute of Technology, 76344, Eggenstein-Leopoldshafen, Germany
| | - Jochen A Müller
- Institute for Biological Interfaces (IBG-5), Karlsruhe Institute of Technology, 76344, Eggenstein-Leopoldshafen, Germany
| | - Víctor Matamoros
- Department of Environmental Chemistry. IDAEA-CSIC, Jordi Girona, 18-26, 08034, Barcelona, Spain.
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Jafarzadeh A, Matta A, Moghadam SV, Vadde KK, Dessouky S, Hutchinson J, Kapoor V. Assessing the removal of heavy metals and polycyclic aromatic hydrocarbons and occurrence of metal resistance genes and antibiotic resistance genes in a stormwater bioretention system. CHEMOSPHERE 2024; 364:143043. [PMID: 39117084 DOI: 10.1016/j.chemosphere.2024.143043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 08/02/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Bioretention basins are extensively used in urban areas to manage stormwater by reducing peak flows and pollution. This study evaluated the performance of a bioretention basin in removing heavy metals, polycyclic aromatic hydrocarbons (PAHs), and oil and grease. Using droplet digital PCR (ddPCR), the presence of metal resistance genes (MRGs) and antibiotic resistance genes (ARGs) in the basin's soil was analyzed. The results indicated effective removal of Zn (67%), but higher concentration of Mg was observed at the outlet. Cu, Fe and Pb showed no significant differences in the in- and outflow concentrations. The system successfully removed 82% of influent PAHs. Soil samples collected in summer and fall revealed higher MRG abundance in summer, with copA being the most prevalent MRG (1.2-4.8 log10 copies/g soil). Among the ARGs, sul1 was consistently found throughout the basin (2.5-6.7 log10 copies/g soil), while tetW was detected primarily at the basin's start and end in the topsoil layer. Rubellimicrobium and Geobacter were identified as potential carriers of ARGs/MRGs. Although the concentration of metals in soil was not measured in the current study, these findings emphasize the need to understand heavy metal distribution and the occurrence of MRGs and ARGs in stormwater control systems to improve their design and effectiveness.
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Affiliation(s)
- Arash Jafarzadeh
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Akanksha Matta
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA; Department of Chemistry, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Sina V Moghadam
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Kiran Kumar Vadde
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Samer Dessouky
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Jeffrey Hutchinson
- Department of Integrative Biology, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Vikram Kapoor
- School of Civil & Environmental Engineering, and Construction Management, University of Texas at San Antonio, San Antonio, TX, 78249, USA.
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S V, T J, E AP, A MHA. Antibiotic resistance of heterotrophic bacteria from the sediments of adjoining high Arctic fjords, Svalbard. Braz J Microbiol 2024; 55:2371-2383. [PMID: 38767750 PMCID: PMC11405572 DOI: 10.1007/s42770-024-01368-0] [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: 12/30/2023] [Accepted: 04/08/2024] [Indexed: 05/22/2024] Open
Abstract
Antibiotic resistance bacteria (ARB) and antibiotic resistance genes (ARGs) are now considered major global threats. The Kongsfjorden and Krossfjorden are the interlinked fjords in the Arctic that are currently experiencing the effects of climate change and receiving input of pollutants from distant and regional sources. The present study focused on understanding the prevalence of antibiotic resistance of retrievable heterotrophic bacteria from the sediments of adjacent Arctic fjords Kongsfjorden and Krossfjorden. A total of 237 bacterial isolates were tested against 16 different antibiotics. The higher resistance observed towards Extended Spectrum β-lactam antibiotic (ESBL) includes ceftazidime (45.56%) followed by trimethoprim (27%) and sulphamethizole (24.05%). The extent of resistance was meagre against tetracycline (2.53%) and gentamycin (2.95%). The 16S rRNA sequencing analysis identified that Proteobacteria (56%) were the dominant antibiotic resistant phyla, followed by Firmicutes (35%), Actinobacteria (8%) and Bacteroidetes. The dominant resistant bacterial isolates are Bacillus cereus (10%), followed by Alcaligenes faecalis (6.47%), Cytobacillus firmus (5.75%) Salinibacterium sp. (5%) and Marinobacter antarcticus (5%). Our study reveals the prevalence of antibiotic resistance showed significant differences in both the inner and outer fjords of Kongsfjorden and Krossfjorden (p < 0.05). This may be the input of antibiotic resistance bacteria released into the fjords from the preserved permafrost due to the melting of glaciers, horizontal gene transfer, and human influence in the Arctic region act as a selection pressure for the development and dissemination of more antibiotic resistant bacteria in Arctic fjords.
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Affiliation(s)
- Vishnupriya S
- Department of Marine Biology, Microbiology, Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India.
| | - Jabir T
- National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Headland Sada, 403 804, Vasco- da-Gama, Goa, India
| | - Akhil Prakash E
- Department of Marine Biology, Microbiology, Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India
| | - Mohamed Hatha A A
- Department of Marine Biology, Microbiology, Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India
- CUSAT NCPOR Centre for Polar Sciences, School of Marine Sciences, Cochin University of Science and Technology (CUSAT), Kochi, India
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Dolkar P, Sharma M, Modeel S, Yadav S, Siwach S, Bharti M, Yadav P, Lata P, Negi T, Negi RK. Challenges and effective tracking down strategies of antibiotic contamination in aquatic ecosystem. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:55935-55957. [PMID: 39254807 DOI: 10.1007/s11356-024-34806-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 08/22/2024] [Indexed: 09/11/2024]
Abstract
A growing environmental concern revolves around the widespread use of medicines, particularly antibiotics, which adversely impact water quality and various life forms. The unregulated production and utilization of antibiotics not only affect non-targeted organisms but also exert significant evolutionary pressures, leading to the rapid development of antimicrobial resistance (AMR) in bacterial communities. To address this issue, global studies have been conducted to assess the prevalence and quantities of antibiotics in various environmental components including freshwater, ocean, local sewage, and fish. These studies aim to establish effective analytical methods for identifying and measuring antibiotic residues in environmental matrices that might enable authorities to establish norms for the containment and disposal of antibiotics. This article offers a comprehensive overview of methods used to extract antibiotics from environmental matrices exploring purification techniques such as liquid-liquid extraction, solid-phase extraction, green extraction techniques, and concentration methods like lyophilization and rotary evaporation. It further highlights qualitative and quantitative analysis methods, high-performance liquid chromatography, ultra-high-performance liquid chromatography, and liquid chromatography-tandem along with analytical methods such as UV-Vis and tandem mass spectrometry for detecting and measuring antibiotics. Urgency is underscored for proactive strategies to curb antibiotic contamination, safeguarding the integrity of aquatic ecosystems and public health on a global scale.
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Affiliation(s)
- Padma Dolkar
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Monika Sharma
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
- Present Address: Gargi College, University of Delhi, Delhi, 110049, India
| | - Sonakshi Modeel
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Sheetal Yadav
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Sneha Siwach
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Meghali Bharti
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Pankaj Yadav
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Pushp Lata
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India
| | - Tarana Negi
- Government College, Dujana, Jhajjar, Haryana, 124102, India
| | - Ram Krishan Negi
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, New Delhi, 110007, India.
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Chen A, Zhang T, Cheng F, Yang H, Guo Z, Zhao S, Zhang YN, Qu J. Comprehensive analysis and risk assessment of Antibiotic contaminants, antibiotic-resistant bacteria, and resistance genes: Patterns, drivers, and implications in the Songliao Basin. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 361:124852. [PMID: 39216670 DOI: 10.1016/j.envpol.2024.124852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/28/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
The pervasive use of antibiotics has raised substantial environmental concerns, especially regarding their temporal and spatial distribution across diverse water systems. This study addressed the gap in comprehensive research on antibiotic contamination during different hydrological periods, focusing on the Jilin section of the Songliao Basin in Northeast China, an area with severe winter ice cover. The study examined the occurrence, distribution, influencing factors, and potential ecological risks of prevalent antibiotic contaminants. Findings revealed antibiotic concentrations ranging from 239.64 to 965.81 ng/L, with antibiotic resistance genes (ARGs) at 5.22 × 10-2 16S rRNA-1 and antibiotic-resistant bacteria (ARB) up to 5.76 log10 CFU/mL. Ecological risk assessments identified significant risks to algae from oxytetracycline, erythromycin, and amoxicillin. Redundancy analysis and co-occurrence networks with ordinary least squares (OLS) demonstrated that the dispersion of ARGs and ARB is significantly influenced by environmental factors such as total organic carbon (TOC), total phosphorus (TP), total nitrogen (TN), fluoride (F⁻), and nitrate (NO₃⁻). These elements, along with mobile genetic elements (MGEs), play crucial roles in ARG patterns (R2 = 0.94, p ≤ 0.01). This investigation offers foundational insights into antibiotic pollution dynamics in cold climates, supporting the development of targeted mitigation strategies for aquatic systems.
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Affiliation(s)
- Anjie Chen
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Tingting Zhang
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Fangyuan Cheng
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Hao Yang
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Zhengfeng Guo
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Siyu Zhao
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Ya-Nan Zhang
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Jiao Qu
- School of Environment, Northeast Normal University, Changchun, 130117, China.
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Yang G, Zhou Z, Ding A, Cai Y, Kong F, Xi Y, Liu N. MAPRS: An intelligent approach for post-prescription review based on multi-label learning. Artif Intell Med 2024; 157:102971. [PMID: 39265507 DOI: 10.1016/j.artmed.2024.102971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 05/20/2024] [Accepted: 08/28/2024] [Indexed: 09/14/2024]
Abstract
Antimicrobial resistance (AMR) is a major threat to public health worldwide. It is a promising way to improve appropriate prescription by the review and stewardship of antimicrobials, and Post-Prescription Review (PPR) is currently the main tool used in hospitals. Existing methods of PPR typically focus on the dichotomy of antimicrobial prescription based on binary classification which, however, is usually a multi-label classification problem. Moreover, previous research did not explain the causes beneath the inappropriate antimicrobial used in the clinical setting, which could be practically important for problem location and decision improvement. In this paper, we collected antimicrobial prescriptions and related data from clean surgery in a hospital in northeastern China, and proposed a Multi-label Antimicrobial Post-Prescription Review System (MAPRS). MAPRS first uses NLP techniques to process unstructured data in prescriptions and explores the value of clinical record text for solving medical problems. Then, Classifier Chains are used to deal with multi-label problems and fused with machine learning algorithms to construct a classifier. At last, a SHAP explanation module is introduced to explain the inappropriate prescriptions. The experimental results show that MAPRS could achieve great performance in a challenging six-category multi-label task, with a subset accuracy of 90.7 % and an average AUROC of 94.3 %. Our results can help hospitals to perform intelligent prescription review and improve the antimicrobial stewardship.
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Affiliation(s)
- Guangfei Yang
- Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116033, China; Institute of Systems Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Ziyao Zhou
- Institute of Systems Engineering, Dalian University of Technology, Dalian 116024, China
| | - Aili Ding
- Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116033, China.
| | - Yuanfeng Cai
- Zicklin School of Business, City University of New York--Baruch College, New York 10010, USA.
| | - Fanli Kong
- Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116033, China
| | - Yalin Xi
- Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116033, China
| | - Nannan Liu
- Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116033, China
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Boominathan M, Thillaichidambaram M, Reneese JA, Narayanan K, Sivaramapillai M, Ramaiyan S. Detection of Extended-spectrum β-lactamase-producing Klebsiella pneumoniae and Escherichia coli in wastewaters of Madurai, India. Microb Pathog 2024; 196:106904. [PMID: 39208962 DOI: 10.1016/j.micpath.2024.106904] [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: 06/24/2024] [Revised: 08/21/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
The present study aimed to determine the presence of Klebsiella pneumoniae and Escherichia coli with extended-spectrum β-lactamase (ESBL)s property from treated wastewater effluents. Treated effluent samples were collected from two major water treatment plants which located at Avaniyapuram and Sakkimangalam, Madurai, Tamil Nadu, India. Among the 51 isolates, 56.86 % represented E. coli (18 from Avaniyapuram and 11 from Sakkimangalam) and 43.14 % were K. pneumoniae (7 from Avaniyapuram and 15 from Sakkimangalam). Based on the ESBL propensity, E. coli was overrepresented in the present study. All the isolates turned positive for ESBL, while 5.88 % of K. pneumoniae and 7.84 % of E. coli were positive for carbapenemases. Further, K. pneumoniae isolates from both sites showed 100 % resistance to beta-lactams, with resistance to other antibiotics such as tetracycline and meropenem. E. coli isolates were 100 % resistant to ceftazidime and cefuroxime, and 88.9 % were resistant to amoxicillin/clavulanate and ceftriaxone. The MAR indices observed in the present study for E. coli and K. pneumoniae were above the threshold value of 0.2 suggested a high risk of environmental contamination. These findings highlighted the need for routine surveillance at appropriate intervals for the presence of ESBL producing pathogens and other MDR pathogens in the environment to provide proper clinical management, develop various counter measures and policies to address and halt the spread of such potential threats.
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Affiliation(s)
- Meganathan Boominathan
- Department of Animal Behaviour & Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai, 625021, Tamil Nadu, India
| | | | - Joseph Antony Reneese
- Department of Animal Behaviour & Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai, 625021, Tamil Nadu, India
| | | | - Muthukumar Sivaramapillai
- Department of Biotechnology, SRM Arts and Science College, Tankular, Chengalpattu, Tamil Nadu, India
| | - Sankar Ramaiyan
- Department of Animal Behaviour & Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai, 625021, Tamil Nadu, India.
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Loosli K, Nasuwa F, Melubo M, Mnzava K, Matthews L, Mshana SE, Mmbaga BT, Muwonge A, Davis A, Lembo T. Exploring drivers of self-treatment with antibiotics in three agricultural communities of northern Tanzania. Antimicrob Resist Infect Control 2024; 13:94. [PMID: 39210436 PMCID: PMC11363527 DOI: 10.1186/s13756-024-01453-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 08/20/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Antimicrobial resistance (AMR) poses a significant global health threat, particularly in low- and middle-income countries (LMICs). Self-treatment with antibiotics, the practice of using antibiotics without professional guidance, is often considered an important contributor to the emergence and spread of AMR. METHOD This study investigated the drivers of self-treatment in three common types of agricultural communities in northern Tanzania. The research employed a comprehensive array of methods, including cross-sectional surveys (n = 790), interviews (n = 30) and observations (n = 178) targeting both antibiotic (human and animal) providers and users (patients and farmers). Qualitative interview data were analysed using a coding and association matrix, while descriptive analyses were performed on survey and observation data. RESULTS Self-treatment with antibiotics was highly prevalent in all communities. Between 41.0% (self-reported) and 60.3% (observed) of human antibiotics were obtained without a prescription and we observed that veterinary antibiotics were regularly purchased in retail shops without referral by a professional. Structural deficiencies in the healthcare system drove this practice: limited access to healthcare facilities, medication stockouts and prolonged waiting times were identified as key factors. The absence of safety nets like insurance schemes further contributed to self-medication. Retail shops offered a convenient and cost-effective alternative when antibiotics were inaccessible or unaffordable. Notably, informal networks comprising treatment vendors, friends or neighbours, as well as personal experiences played a crucial role in guiding individuals in their self-treatment decisions by providing advice on treatment choice and modalities. CONCLUSIONS Addressing self-treatment requires a multi-faceted approach. Improving the availability and accessibility of antibiotics, enhancing healthcare services and involving retail vendors in antibiotic stewardship are essential. Structural issues like access to diagnostics and medicines must be tackled, alongside reducing barriers and incentivising individuals to use professional healthcare services. Training retail vendors to sell specific first-line antibiotics over the counter with guidance on appropriate usage should be considered. Such bottom-up interventions will enable sustainable promotion of responsible antibiotic use, mitigating AMR emergence and securing a healthier future for all.
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Affiliation(s)
- Kathrin Loosli
- The Boyd Orr Centre for Population and Ecosystem Health, School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK.
| | - Fortunata Nasuwa
- Kilimanjaro Clinical Research Institute, Kilimanjaro Christian Medical Centre, Moshi, Tanzania
| | - Matayo Melubo
- Kilimanjaro Clinical Research Institute, Kilimanjaro Christian Medical Centre, Moshi, Tanzania
| | - Kunda Mnzava
- Department of Microbiology and Immunology, Catholic University of Health and Allied Sciences/Bugando Medical Centre, Mwanza, Tanzania
| | - Louise Matthews
- The Boyd Orr Centre for Population and Ecosystem Health, School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Stephen E Mshana
- Department of Microbiology and Immunology, Catholic University of Health and Allied Sciences/Bugando Medical Centre, Mwanza, Tanzania
| | - Blandina T Mmbaga
- Kilimanjaro Clinical Research Institute/Kilimanjaro Christian Medical University College, Kilimanjaro Christian Medical Centre, Moshi, Tanzania
| | - Adrian Muwonge
- Digital One Health Laboratory, The Roslin Institute, The Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Edinburgh, UK
| | - Alicia Davis
- School of Social and Political Sciences and School of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Tiziana Lembo
- The Boyd Orr Centre for Population and Ecosystem Health, School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
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Sun P, Tan Y, Zhu Z, Yang T, Thevarajan S, Zhang L. Occurrence, Source Apportionment, and Risk Assessment of Antibiotics in Mangrove Sediments from the Lianzhou Bay, China. Antibiotics (Basel) 2024; 13:820. [PMID: 39334994 PMCID: PMC11429403 DOI: 10.3390/antibiotics13090820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Revised: 08/20/2024] [Accepted: 08/26/2024] [Indexed: 09/30/2024] Open
Abstract
In recent years, the widespread application of antibiotics has raised global concerns, posing a severe threat to ecological health. In this study, the occurrence, source, and ecological risks of 39 antibiotics belonging to 5 classes in mangrove sediments from Lianzhou Bay, China, were assessed. The total concentrations of the antibiotics (∑39 antibiotics) ranged from 65.45 to 202.24 ng/g dry weight (dw), with an average of 142.73 ± 36.76 ng/g dw. The concentrations of these five classes of antibiotics were as follows: Sulfonamides (SAs) > Tetracyclines (TCs) > Fluoroquinolones (QUs) > Penicillin (PCs) > Macrolides (MLs). The spatial distribution of antibiotics varied as high tidal zone > middle tidal zone > low tidal zone. The total organic carbon (TOC), pH, nitrate (NO3--N), and nitrite (NO2--N) of the sediment significantly influenced the distribution of antibiotics (p < 0.05). A source analysis identified untreated sewage from aquaculture as the primary source of antibiotics in the local mangrove. A risk assessment revealed that ciprofloxacin, norfloxacin, ofloxacin of QUs, and tetracycline of TCs exhibited medium risks to algae in certain sampling sites, while other antibiotics exhibited low or no risks to all organisms. Nevertheless, the total risk of all the detected antibiotics to algae was medium in 95% of the sites. The overall ecological risk level of antibiotics in the middle tidal zone was slightly lower than in the high tidal zone and the lowest in the low tidal zone. In summary, the experimental results provided insights into the fate and transport behaviors of antibiotics in mangrove sediments from Lianzhou Bay.
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Affiliation(s)
- Pengfei Sun
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Yongyu Tan
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
| | - Zuhao Zhu
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
| | - Tinglong Yang
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
| | - Shalini Thevarajan
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Ocean College, Zhejiang University, Zhoushan 316021, China
| | - Li Zhang
- Guangxi Beibu Gulf Key Laboratory of Marine Resources, Environment and Sustainable Development, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
- Key Laboratory of Tropical Marine Ecosystem and Bioresource, Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China
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Kiemde F, Nkeramahame J, Ibarz AB, Dittrich S, Olliaro P, Valia D, Rouamba T, Kabore B, Kone AN, Sawadogo S, Bere AW, Some DY, Some AM, Compaore A, Horgan P, Weber S, Keller T, Tinto H. Impact of a package of point-of-care diagnostic tests, a clinical diagnostic algorithm and adherence training on antibiotic prescriptions for the management of non-severe acute febrile illness in primary health facilities during the COVID-19 pandemic in Burkina Faso. BMC Infect Dis 2024; 24:870. [PMID: 39192209 PMCID: PMC11351252 DOI: 10.1186/s12879-024-09787-y] [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: 10/02/2023] [Accepted: 08/21/2024] [Indexed: 08/29/2024] Open
Abstract
OBJECTIVE To assess the impact of an intervention package on the prescription of antibiotic and subsequently the rate of clinical recovery for non-severe acute febrile illnesses at primary health centers. METHODS Patients over 6 months of age presenting to primary health care centres with fever or history of fever within the past 7 days were randomized to receive either the intervention package constituted of point-of-care tests including COVID-19 antigen tests, a diagnostic algorithm and training and communication packages, or the standard practice. The primary outcomes were antibiotic prescriptions at Day 0 (D0) and the clinical recovery at Day 7 (D7). Secondary outcomes were non-adherence of participants and parents/caregivers to prescriptions, health workers' non-adherence to the algorithm, and the safety of the intervention. RESULTS A total of 1098 patients were enrolled. 551 (50.2%) were randomized to receive the intervention versus 547 (49.8%) received standard care. 1054 (96.0%) completed follow-up and all of them recovered at D7 in both arms. The proportion of patients with antibiotic prescriptions at D0 were 33.2% (183/551) in the intervention arm versus 58.1% (318/547) under standard care, risk difference (RD) -24.9 (95% CI -30.6 to -19.2, p < 0.001), corresponding to one more antibiotic saved every four (95% CI: 3 to 5) consultations. This reduction was also statistically significant in children from 6 to 59 months (RD -34.5; 95% CI -41.7 to -27.3; p < 0.001), patients over 18 years (RD -35.9; 95%CI -58.5 to -13.4; p = 0.002), patients with negative malaria test (RD -46.9; 95% CI -53.9 to -39.8; p < 0.001), those with a respiratory diagnosis (RD -48.9; 95% CI -56.9 to -41.0, p < 0.001) and those not vaccinated against COVID-19 (-24.8% 95%CI -30.7 to -18.9, p-value: <0.001). A significant reduction in non-adherence to prescription by patients was reported (RD -7.1; 95% CI -10.9 to -3.3; p < 0.001). CONCLUSION The intervention was associated with significant reductions of antibiotic prescriptions and non-adherence, chiefly among patients with non-malaria fever, those with respiratory symptoms and children below 5 years of age. The addition of COVID-19 testing did not have a major impact on antibiotic use at primary health centers. TRIAL REGISTRATION Clinitrial.gov; NCT04081051 registered on 06/09/2019.
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Affiliation(s)
- Francois Kiemde
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso.
| | | | | | - Sabine Dittrich
- FIND, Geneva, Switzerland
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Deggendorf Institute of Technology, European Campus Rottal Inn, Pfarrkirchen, Germany
| | - Piero Olliaro
- International Severe Acute Respiratory and Emerging Infection Consortium, Pandemic Sciences Institute, University of Oxford, Oxford, UK
| | - Daniel Valia
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Toussaint Rouamba
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Berenger Kabore
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Alima Nadine Kone
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Seydou Sawadogo
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Antonia Windkouni Bere
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Diane Yirgnur Some
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Athanase Mwinessobaonfou Some
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Adelaide Compaore
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
| | - Philip Horgan
- FIND, Geneva, Switzerland
- Nuffield Department of Medicine, Big Data Institute, University of Oxford, Oxford, UK
- Evidence and Impact Oxford, Oxford, UK
| | | | | | - Halidou Tinto
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, 11 BP 218, Ouaga CMS 11 , Nanoro, Burkina Faso
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O'Connor M, O'Connor PM, Hourigan D, Murray E, de Farias FM, Field D, Hill C, Ross RP. Screening canine sources for novel antimicrobials reveals the circular broad-spectrum bacteriocin, caledonicin, produced by Staphylococcus caledonicus. Front Microbiol 2024; 15:1470988. [PMID: 39252830 PMCID: PMC11381294 DOI: 10.3389/fmicb.2024.1470988] [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: 07/26/2024] [Accepted: 08/06/2024] [Indexed: 09/11/2024] Open
Abstract
Introduction Antimicrobial-resistant pathogens present an ongoing threat to human and animal health, with deaths linked to antimicrobial resistance (AMR) predicted to increase annually. While the misuse and overuse of antibiotics in humans undoubtedly contribute to this escalation, antibiotic use in the veterinary field, including companion animals, also plays a contributing role. Pet owners' desire to improve the quality of life of their pets is likely to support antibiotic use in this field. Consequently, there is a need for antibiotic alternatives to treat bacterial infections. This study set out to screen for antimicrobial peptides known as bacteriocins from bacterial isolates of aerobic/microaerophilic environments of canine sources and determine their potential as antibiotic alternatives against clinically relevant pathogens. Methods Following a laboratory-based protocol, 22 bacterial isolates were subjected to whole-genome sequencing (WGS), and a total of 14 putative novel bacteriocins were identified from both class I and II bacteriocin classes. One particular bacteriocin, herein named caledonicin, was identified via in silico analysis from a Staphylococcus caledonicus strain and partially purified for further in vitro evaluation. Results Caledonicin is a 64-amino acid (IAANLGVSSGTAYS MANALNNISNVATA LTIIGTFTGVGTIGSGIA ATILAILKKKGVAAAAAF) novel circular bacteriocin most closely related to enterocin_NKR-5-3B based on core peptide alignment (39.1%), with a molecular weight of 6077.1 Da. Caledonicin exhibits a broad-spectrum of activity against a range of pathogenic bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), methicillin-resistant Staphylococcus pseudintermedius (MRSP), and Listeria monocytogenes; and the gut-related bacterium associated with Crohn's disease, Mediterraneibacter gnavus ATCC 29149 (previously Ruminococcus gnavus ATCC 29149). Discussion This represents the first bacteriocin screening study involving bacteria from canine sources and confirms this is a rich environment for bacteriocin-producing strains. This study also identifies and characterises the first novel bacteriocin from the staphylococcal species, Staphylococcus caledonicus.
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Affiliation(s)
- Michelle O'Connor
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Paula M O'Connor
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork, Ireland
| | - David Hourigan
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Ellen Murray
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | | | - Des Field
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Colin Hill
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - R Paul Ross
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
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Fatima N, Khalid S, Rasool N, Imran M, Parveen B, Kanwal A, Irimie M, Ciurea CI. Approachable Synthetic Methodologies for Second-Generation β-Lactamase Inhibitors: A Review. Pharmaceuticals (Basel) 2024; 17:1108. [PMID: 39338273 PMCID: PMC11434895 DOI: 10.3390/ph17091108] [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: 06/25/2024] [Revised: 08/15/2024] [Accepted: 08/20/2024] [Indexed: 09/30/2024] Open
Abstract
Some antibiotics that are frequently employed are β-lactams. In light of the hydrolytic process of β-lactamase, found in Gram-negative bacteria, inhibitors of β-lactamase (BLIs) have been produced. Examples of first-generation β-lactamase inhibitors include sulbactam, clavulanic acid, and tazobactam. Many kinds of bacteria immune to inhibitors have appeared, and none cover all the β-lactamase classes. Various methods have been utilized to develop second-generation β-lactamase inhibitors possessing new structures and facilitate the formation of diazabicyclooctane (DBO), cyclic boronate, metallo-, and dual-nature β-lactamase inhibitors. This review describes numerous promising second-generation β-lactamase inhibitors, including vaborbactam, avibactam, and cyclic boronate serine-β-lactamase inhibitors. Furthermore, it covers developments and methods for synthesizing MβL (metallo-β-lactamase inhibitors), which are clinically effective, as well as the various dual-nature-based inhibitors of β-lactamases that have been developed. Several combinations are still only used in preclinical or clinical research, although only a few are currently used in clinics. This review comprises materials on the research progress of BLIs over the last five years. It highlights the ongoing need to produce new and unique BLIs to counter the appearance of multidrug-resistant bacteria. At present, second-generation BLIs represent an efficient and successful strategy.
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Affiliation(s)
- Noor Fatima
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Shehla Khalid
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Nasir Rasool
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad Imran
- Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Bushra Parveen
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Aqsa Kanwal
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Marius Irimie
- Faculty of Medicine, Transylvania University of Brasov, 500036 Brasov, Romania
| | - Codrut Ioan Ciurea
- Faculty of Medicine, Transylvania University of Brasov, 500036 Brasov, Romania
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Wan L, Zhou Y, Huang R, Jiao Y, Gao J. Toxicity of Moxifloxacin on the Growth, Photosynthesis, Antioxidant System, and Metabolism of Microcystis aeruginosa at Different Phosphorus Levels. TOXICS 2024; 12:611. [PMID: 39195713 PMCID: PMC11359433 DOI: 10.3390/toxics12080611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/11/2024] [Accepted: 08/17/2024] [Indexed: 08/29/2024]
Abstract
Moxifloxacin (MOX), a widely used novel antibiotic, may pose ecological risks at its actual environmental concentrations, as has been detected in aquatic systems. However, its ecotoxicity to aquatic organisms and regulatory mechanisms of phosphorus in eutrophic aqueous environments are still limited. This study aimed to analyze its physiological and biochemical parameters, including cellular growth, chlorophyll fluorescence, photosynthetic pigments, oxidative stress biomarkers, and metabolomics to elucidate the toxicity induced by environmental concentrations of MOX in Microcystis aeruginosa at different phosphorus levels. The results revealed that the EC50 values of MOX on M. aeruginosa at different phosphorus concentrations were 8.03, 7.84, and 6.91 μg/L, respectively, indicating MOX toxicity was exacerbated with increasing phosphorus levels. High phosphorus intensified the suppression of chlorophyll fluorescence and photosynthetic pigments, while activating the antioxidant enzyme, indicating severe peroxidation damage. Metabolomic analysis showed MOX induced different discriminating metabolites under different phosphorus levels, and perturbed more biological pathways at higher phosphorus concentrations, such as starch and sucrose metabolism, pyrimidine metabolism, and glycerolipid metabolism. This indicates that phosphorus plays an important role in regulating metabolism in M. aeruginosa exposed to MOX. The findings provide valuable information on the mechanisms involved in cyanobacteria responses to antibiotic stress, and offer a theoretical basis for accurately assessing antibiotic toxicity in eutrophic aqueous environments.
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Affiliation(s)
- Liang Wan
- Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China (Y.J.); (J.G.)
- Innovation Demonstration Base of Ecological Environment Geotechnical and Ecological Restoration of Rivers and Lakes, Hubei University of Technology, Wuhan 430068, China
| | - Yan Zhou
- Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China (Y.J.); (J.G.)
| | - Rong Huang
- Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China (Y.J.); (J.G.)
| | - Yiying Jiao
- Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China (Y.J.); (J.G.)
- Innovation Demonstration Base of Ecological Environment Geotechnical and Ecological Restoration of Rivers and Lakes, Hubei University of Technology, Wuhan 430068, China
| | - Jian Gao
- Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China (Y.J.); (J.G.)
- Innovation Demonstration Base of Ecological Environment Geotechnical and Ecological Restoration of Rivers and Lakes, Hubei University of Technology, Wuhan 430068, China
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Díaz-Cárdenas MY, Bustos-Terrones V, López-Aguilar SG, Sánchez-Ponce A, Uruchurtu-Chavarín J, Moeller-Chávez GE. Theoretical and experimental studies of cephalexin adsorption on aluminium as a new alternative of removal from wastewater. ENVIRONMENTAL TECHNOLOGY 2024:1-11. [PMID: 39157963 DOI: 10.1080/09593330.2024.2390150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 07/31/2024] [Indexed: 08/20/2024]
Abstract
Cephalexin (CPX) is an antibiotic widely used to treat many infections. CPX has become an emerging pollutant present in wastewater. On the other hand, it is well known that organic compounds can be adsorbed over metal surfaces when the metal is in active state such as when it is rusting. This work proposes an alternative for the elimination of CPX from wastewater, applying electrochemical principles using a conventional and cheap substrate, aluminium. The first part consisted of obtaining the active states of aluminium electrodes carrying out voltametric curves at different pH (4, 7 and 9) to find the particular condition of interaction between CPX and metal surface. The potential was used in the potentiostatic tests to set the activation potential of metal at different times. After the treatment, electrolyte solutions were analysed using UV-vis spectra, and the aluminium surfaces were studied by optical micrographs and X-ray diffraction. In addition, aluminium-CPX interactions were corroborated by quantum-chemical calculations and adsorption isotherms. All results indicate that it was possible for the CPX removal at basic pH conditions, where the molecule adsorption on the aluminium substrate occurs due to a strong electrostatic interaction.
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Affiliation(s)
- María Yesenia Díaz-Cárdenas
- Laboratorio de Investigación en Tecnología Ambiental, Universidad Politécnica del Estado de Morelos, Jiutepec, México
- Departamento de Ingeniería Química e Ingeniería en Sistemas, Tecnológico de Estudios Superiores de Coacalco, Coacalco, México
| | - Victoria Bustos-Terrones
- Laboratorio de Investigación en Tecnología Ambiental, Universidad Politécnica del Estado de Morelos, Jiutepec, México
| | - Samantha Giselle López-Aguilar
- Departamento de Ingeniería Química e Ingeniería en Sistemas, Tecnológico de Estudios Superiores de Coacalco, Coacalco, México
| | - Angélica Sánchez-Ponce
- Departamento de Ingeniería Química e Ingeniería en Sistemas, Tecnológico de Estudios Superiores de Coacalco, Coacalco, México
| | - Jorge Uruchurtu-Chavarín
- Centro de Investigación en Ingeniería y Ciencias Aplicadas, Laboratorio de Fenómenos de Interfase, Universidad Autónoma del Estado de Morelos, Cuernavaca, México
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Chen Y, Xie X, Ge Q, He X, Sun Z, Li Y, Guo Y, Geng C, Li X, Wang C. The global burden and trend of Clostridioides difficile and its association with world antibiotic consumption, 1990-2019. J Glob Health 2024; 14:04135. [PMID: 39148479 PMCID: PMC11327847 DOI: 10.7189/jogh.14.04135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024] Open
Abstract
Background To estimate the global trends and disease burden of Clostridioides difficile infection (CDI) and its correlation with worldwide antibiotic consumption. Methods Clostridioides difficile infection and antibiotic consumption data were retrieved from the Global Burden of Disease 2019, ResistanceMap-AntibiocUse, Food and Drug Administration (FDA) Adverse Event Reporting System, and Global Antimicrobial Resistance and Use Surveillance System. Jointpoint regression and age-period-cohort model were developed to show the global trends and burden of CDI. Correlation tests were calculated to explore the relationship between CDI and antibiotics. Results Globally, CDI is the most significant one with a high-rocketing burden increase rate among 13 pathogens causing diarrheal deaths and disability-adjusted life years (DALYs). The age-standardised death rate (ASDR) increased from 0.19 in 1990 to 0.43 in 2019, in which the elderly and females are at higher risk. A rapid increase in ASDR in high to middle sociodemographic index (SDI) regions such as North America (average annual percentage change (AAPC) = 7.71%), Andean (AAPC = 7.82%), and Southern Latin America (AAPC = 11.08%) was identified. Antibiotic consumption has a significant positive correlation with CDI with different risk stratifications. Conclusions The global burden of CDI has continuously increased for the past 30 years, especially in high to middle-SDI regions. World antibiotic consumption showed a strong positive correlation with CDI with different risk stratification. More effective prevention and control measures should be implemented in these critical regions, with a specific emphasis on vulnerable populations, to mitigate the spread of epidemics.
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Affiliation(s)
- Yonghao Chen
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Xiaoxi Xie
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Qintao Ge
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, PR China
| | - Xiaogang He
- Translational Medical Research, Orthopaedics Department, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Zhiyuan Sun
- School of Computer Science and Technology, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Yanni Li
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Yaoyu Guo
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Chong Geng
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Xiao Li
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
| | - Chunhui Wang
- Department of Gastroenterology and Hepatology, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
- Centre of Pancreatitis, West China Hospital of Sichuan University, Chengdu, Sichuan, PR China
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Yan B, Li X, Wang X, Yang P, Lu H, Zhang X. Degradation Efficiency and Mechanism of Tetracycline in Water by Activated Persulfate Using Biochar-Loaded Nano Zero-Valent Iron. Molecules 2024; 29:3875. [PMID: 39202954 PMCID: PMC11357000 DOI: 10.3390/molecules29163875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 08/10/2024] [Accepted: 08/13/2024] [Indexed: 09/03/2024] Open
Abstract
Tetracycline (TC) contamination in water is one of the key issues in global environmental protection, and traditional water treatment methods are difficult to remove antibiotic pollutants.Therefore, efficient and environmentally friendly treatment technologies are urgently needed. In this study, activated persulfate (PS) using a biochar-loaded nano zero-valent iron (BC-nZVI) advanced oxidation system was used to investigate the degradation effect, influencing factors, and mechanism of TC. BC-nZVI was prepared using the liquid-phase reduction method, and its structure and properties were analyzed by various characterization means. The results showed that nZVI was uniformly distributed on the surface or in the pores of BC, forming a stable complex. Degradation experiments showed that the BC-nZVI/PS system could degrade TC up to 99.57% under optimal conditions. The experiments under different conditions revealed that the iron-carbon ratio, dosing amount, PS concentration, and pH value all affected the degradation efficiency. Free radical burst and electron paramagnetic resonance (EPR) experiments confirmed the dominant roles of hydroxyl and sulfate radicals in the degradation process, and LC-MS experiments revealed the multi-step reaction process of TC degradation. This study provides a scientific basis for the efficient treatment of TC pollution in water.
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Affiliation(s)
- Bojiao Yan
- College of Visual Arts, Changchun Sci-Tech University, Changchun 130600, China;
| | - Xueqi Li
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China;
| | - Xiaoyan Wang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (X.W.); (H.L.)
| | - Ping Yang
- College of New Energy and Environment, Jilin University, Changchun 130021, China;
| | - Hai Lu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (X.W.); (H.L.)
| | - Xiaoyu Zhang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (X.W.); (H.L.)
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