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Raro OHF, Poirel L, Nordmann P. Effect of Zinc Oxide and Copper Sulfate on Antibiotic Resistance Plasmid Transfer in Escherichia coli. Microorganisms 2023; 11:2880. [PMID: 38138025 PMCID: PMC10745819 DOI: 10.3390/microorganisms11122880] [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: 11/02/2023] [Revised: 11/21/2023] [Accepted: 11/25/2023] [Indexed: 12/24/2023] Open
Abstract
Heavy metals such as zinc (Zn) and copper (Cu) may be associated with antibiotic resistance dissemination. Our aim was to investigate whether sub-lethal dosage of Zn and Cu may enhance plasmid transfer and subsequently resistance genes dissemination. Plasmid conjugation frequencies (PCF) were performed with Escherichia coli strains bearing IncL-blaOXA-48, IncA/C-blaCMY-2, IncI1-blaCTX-M-1, IncF-blaCTX-M-1, and IncX3-blaNDM-5 as donors. Mating-out assays were performed with sub-dosages of zinc oxide (ZnO) and Cu sulfate (CuSO4). Quantification of the SOS response-associated gene expression levels and of the production of reactive oxygen species were determined. Increased PCF was observed for IncL, IncA/C, and IncX3 when treated with ZnO. PCF was only increased for IncL when treated with CuSO4. The ROS production presented an overall positive correlation with PCF after treatment with ZnO for IncL, IncA/C, and IncX3. For CuSO4 treatment, the same was observed only for IncL. No increase was observed for expression of SOS response-associated genes under CuSO4 treatment, and under ZnO treatment, we observed an increase in SOS response-associated genes only for IncX3. Our data showed that sub-dosages of ZnO and CuSO4 could significantly enhance PCF in E. coli, with a more marked effect observed with IncL, IncA/C, and IncX3 scaffolds. Our study suggested that use of certain heavy metals is not the panacea for avoiding use of antibiotics in order to prevent the dissemination of antibiotic resistance.
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Affiliation(s)
- Otávio Hallal Ferreira Raro
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, 1700 Fribourg, Switzerland; (O.H.F.R.); (P.N.)
| | - Laurent Poirel
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, 1700 Fribourg, Switzerland; (O.H.F.R.); (P.N.)
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), University of Fribourg, 1700 Fribourg, Switzerland
| | - Patrice Nordmann
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, 1700 Fribourg, Switzerland; (O.H.F.R.); (P.N.)
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), University of Fribourg, 1700 Fribourg, Switzerland
- Institute for Microbiology, Lausanne University Hospital and University of Lausanne, 1015 Lausanne, Switzerland
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Yan Q, Xu Y, Zhong Z, Xu Y, Lin X, Cao Z, Feng G. Insights into antibiotic resistance-related changes in microbial communities, resistome and mobilome in paddy irrigated with reclaimed wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165672. [PMID: 37478933 DOI: 10.1016/j.scitotenv.2023.165672] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/23/2023]
Abstract
Reclaimed wastewater (reclaimed wastewater, RWW) from municipal wastewater treatment plants for paddy irrigation is a well-established practice to alleviate water scarcity. However, the reuse may result in the persistent exposure of the paddy to residual antibiotics in RWW. Continuous presence of even low-level antibiotics can exert selective pressure on microbiota, resulting in the proliferation and dissemination of antibiotic resistance genes (ARGs) in paddy. In this study, metagenomic analysis was applied to firstly deciphered the effects of residual antibiotics on microbiome and resistome in constructed mesocosm-scale paddy soils. The diversity and abundance of ARG have remarkably risen with the increasing antibiotic concentration in RWW. Network analysis revealed that 28 genera belonging to six phyla were considered as the potential ARG hosts, and their abundances were enhanced with increasing antibiotic concentrations. A partial least-squares path model indicated that the microbial community was the principal direct driver of the ARG abundance and the resistome alteration in paddy soil under long-term RWW irrigation. Microbes may acquire ARGs via horizontal gene transfer. IntI1 could play an essential role in the propagation and spread of ARGs. Functional analysis suggested that enhanced SOS response and T4SSs (Type IV secretion systems) modules could stimulate horizontal transfer potential and promote the ARG abundance. The obtained results provide a scientific decision for assessing the ecological risk of RWW application.
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Affiliation(s)
- Qing Yan
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China.
| | - Yufeng Xu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Zhengzheng Zhong
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China
| | - Yuan Xu
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China
| | - Xiaoyan Lin
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China
| | - Zhaoyun Cao
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China
| | - Guozhong Feng
- China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 311400, China.
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Hallal Ferreira Raro O, Poirel L, Tocco M, Nordmann P. Impact of veterinary antibiotics on plasmid-encoded antibiotic resistance transfer. J Antimicrob Chemother 2023; 78:2209-2216. [PMID: 37486104 PMCID: PMC10477142 DOI: 10.1093/jac/dkad226] [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: 02/09/2023] [Accepted: 06/29/2023] [Indexed: 07/25/2023] Open
Abstract
OBJECTIVES Resistance genes can be genetically transmitted and exchanged between commensal and pathogenic bacterial species, and in different compartments including the environment, or human and animal guts (One Health concept). The aim of our study was to evaluate whether subdosages of antibiotics administered in veterinary medicine could enhance plasmid transfer and, consequently, resistance gene exchange in gut microbiota. METHODS Conjugation frequencies were determined with Escherichia coli strains carrying IncL- (blaOXA-48) or IncI1-type (blaCTX-M-1) plasmids subjected to a series of subinhibitory concentrations of antibiotics used in veterinary medicine, namely amoxicillin, ceftiofur, apramycin, neomycin, enrofloxacin, colistin, erythromycin, florfenicol, lincomycin, oxytetracycline, sulfamethazine, tiamulin and the ionophore narasin. Treatments with subinhibitory dosages were performed with and without supplementation with the antioxidant edaravone, known as a mitigator of the inducibility effect of several antibiotics on plasmid conjugation frequency (PCF). Expression of SOS-response associated genes and fluorescence-based reactive oxygen species (ROS) detection assays were performed to evaluate the stress oxidative response. RESULTS Increased PCFs were observed for both strains when treating with florfenicol and oxytetracycline. Increased expression of the SOS-associated recA gene also occurred concomitantly, as well as increased ROS production. Addition of edaravone to the treatments reduced their PCF and also showed a decreasing effect on SOS and ROS responses for both plasmid scaffolds. CONCLUSIONS We showed here that some antibiotics used in veterinary medicine may induce transfer of plasmid-encoded resistance and therefore may contribute to the worldwide spread of antibiotic resistance genes.
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Affiliation(s)
- Otávio Hallal Ferreira Raro
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, CH-1700 Fribourg, Switzerland
| | - Laurent Poirel
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, CH-1700 Fribourg, Switzerland
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), University of Fribourg, Fribourg, Switzerland
| | - Maurine Tocco
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, CH-1700 Fribourg, Switzerland
| | - Patrice Nordmann
- Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, CH-1700 Fribourg, Switzerland
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), University of Fribourg, Fribourg, Switzerland
- Institute for Microbiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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OXA-48-Like β-Lactamases: Global Epidemiology, Treatment Options, and Development Pipeline. Antimicrob Agents Chemother 2022; 66:e0021622. [PMID: 35856662 PMCID: PMC9380527 DOI: 10.1128/aac.00216-22] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Modern medicine is threatened by the rising tide of antimicrobial resistance, especially among Gram-negative bacteria, where resistance to β-lactams is most often mediated by β-lactamases. The penicillin and cephalosporin ascendancies were, in their turn, ended by the proliferation of TEM penicillinases and CTX-M extended-spectrum β-lactamases. These class A β-lactamases have long been considered the most important. For carbapenems, however, the threat is increasingly from the insidious rise of a class D carbapenemase, OXA-48, and its close relatives. Over the past 20 years, OXA-48 and "OXA-48-like" enzymes have proliferated to become the most prevalent enterobacterial carbapenemases across much of Europe, Northern Africa, and the Middle East. OXA-48-like enzymes are notoriously difficult to detect because they often cause only low-level in vitro resistance to carbapenems, meaning that the true burden is likely underestimated. Despite this, they are associated with carbapenem treatment failures. A highly conserved incompatibility complex IncL plasmid scaffold often carries blaOXA-48 and may carry other antimicrobial resistance genes, leaving limited treatment options. High conjugation efficiency means that this plasmid is sometimes carried by multiple Enterobacterales in a single patient. Producers evade most β-lactam-β-lactamase inhibitor combinations, though promising agents have recently been licensed, notably ceftazidime-avibactam and cefiderocol. The molecular machinery enabling global spread, current treatment options, and the development pipeline of potential new therapies for Enterobacterales that produce OXA-48-like β-lactamases form the focus of this review.
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Li J, Huang Z, Tang M, Min C, Xia F, Hu Y, Wang H, Zhou H, Zou M. Clonal Dissemination of Multiple Carbapenemase Genes in Carbapenem-Resistant Enterobacterales Mediated by Multiple Plasmids in China. Infect Drug Resist 2021; 14:3287-3295. [PMID: 34434053 PMCID: PMC8382312 DOI: 10.2147/idr.s327273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 07/30/2021] [Indexed: 11/23/2022] Open
Abstract
Background Carbapenem-resistant Enterobacterales (CRE) are rapidly increasing worldwide in last two decades and lead few antibiotics for treatment. The molecular epidemiology of CRE in China was investigated to provide basis for clinical rational use of antibiotics and prevent its spread. Methods All CRE isolates in this study were collected from 11 hospitals from October 2015 to July 2018. The isolates were subjected to antimicrobial susceptibility tests, PCR molecular identification, pulsed-field gel electrophoresis, and multilocus sequence typing. Results Among the 399 CRE isolates, 51.6% (206/399) harbored carbapenemase genes. Three carbapenemase genes were detected, namely bla KPC-2, bla NDM-1, and bla IMP at rates of 29.8% (119/399), 17.5% (70/399), and 4.0% (16/399), respectively. In Klebsiella pneumoniae (350) and Escherichia coli (26), bla KPC-2 (33.4%, 117/350) and bla NDM-1 (61.5%, 16/26) were the predominant genes. The most common genes in the CRE isolates were bla KPC (85.5%) and bla NDM-1 (76.5%) from adults and children, respectively. Particularly, ST11 K. pneumoniae with bla KPC-2 harbored by IncFII plasmids were distributed in both general and primary hospitals, suggesting a clonal transmission pattern at these sites. In addition, the clonal distribution of ST2407 K. pneumoniae with bla NDM-1 located on IncX3 plasmids and bla IMP-38-positive ST307 K. pneumoniae were detected in a children's hospital. Conclusion The distribution of carbapenemase genes differed among strains and age groups. Multiple carbapenemase genes in the CRE strains were clonally disseminated in the tested regions mediated by multiple plasmids. Therefore, CRE monitoring should be increased and measures should be adopted to prevent its transmission.
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Affiliation(s)
- Jun Li
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Ziyan Huang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Mengli Tang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Changhang Min
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Fengjun Xia
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Yongmei Hu
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Haichen Wang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Haijian Zhou
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People's Republic of China
| | - Mingxiang Zou
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
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Wang L, Guo L, Ye K, Yang J. Genetic characteristics of OXA-48-producing Enterobacterales from China. J Glob Antimicrob Resist 2021; 26:285-291. [PMID: 34284128 DOI: 10.1016/j.jgar.2021.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/29/2021] [Accepted: 07/07/2021] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES In China, OXA-48-producing Enterobacterales have been identified sporadically, causing small-scale regional outbreaks. This study investigated the molecular epidemiology, transmission and evolution of OXA-48-producing Enterobacterales and pOXA48 from mainland China. METHODS We conducted a multicentre resistance monitoring project from 2013-2018. Genome sequencing of OXA-48-produicng isolates was performed. SNPs were analysed. Eleven isolates were selected for subsequent SMRT sequencing. Genome sequences were annotated, and alignment of the complete sequences of blaOXA-48-carrying plasmids from a subset of isolates that underwent long-read sequencing was performed. RESULTS In total, 41 OXA-48-producing Enterobacterales were included in this study (34 Klebsiella pneumoniae, 3 Escherichia coli, 3 Enterobacter cloacae complex and 1 Klebsiella oxytoca). OXA-48-produicng K. pneumoniae (OXAKp) ST383, ST147 and ST11 caused outbreaks of different scales in our hospital. OXA-48-producing E. coli ST156 and ST648, E. cloacae complex ST414 and ST418, and K. oxytoca ST34 were also identified. blaOXA-48 was embedded in a Tn1999.2 structure located in IncL plasmids with different sizes (63.58-109.14 kb). Importantly, K. pneumoniae ST11 co-producing KPC-2 and OXA-48 was identified in our hospital and it is possible that KPC-2-producing K. pneumoniae ST11 obtained the blaOXA-48-carrying plasmid during its spread. A novel 109-kb blaOXA-48-carrying IncL plasmid was identified from OXAKp ST11. Possibly, two plasmids in OXAKp ST383 were integrated to form this larger plasmid. CONCLUSION OXA-48-produicng Enterobacterales were sporadic in China. Importantly, K. pneumoniae ST11 co-producing KPC-2 and OXA-48 has emerged causing an outbreak in China. This high-risk multidrug-resistant clone exhibited high compatibility and strong integration ability with foreign resistance plasmids.
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Affiliation(s)
- Lifeng Wang
- Department of Laboratory Medicine, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Ling Guo
- Department of Laboratory Medicine, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Kun Ye
- Department of Laboratory Medicine, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Jiyong Yang
- Department of Laboratory Medicine, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China.
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Vrancianu CO, Gheorghe I, Dobre EG, Barbu IC, Cristian RE, Popa M, Lee SH, Limban C, Vlad IM, Chifiriuc MC. Emerging Strategies to Combat β-Lactamase Producing ESKAPE Pathogens. Int J Mol Sci 2020; 21:E8527. [PMID: 33198306 PMCID: PMC7697847 DOI: 10.3390/ijms21228527] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 02/06/2023] Open
Abstract
Since the discovery of penicillin by Alexander Fleming in 1929 as a therapeutic agent against staphylococci, β-lactam antibiotics (BLAs) remained the most successful antibiotic classes against the majority of bacterial strains, reaching a percentage of 65% of all medical prescriptions. Unfortunately, the emergence and diversification of β-lactamases pose indefinite health issues, limiting the clinical effectiveness of all current BLAs. One solution is to develop β-lactamase inhibitors (BLIs) capable of restoring the activity of β-lactam drugs. In this review, we will briefly present the older and new BLAs classes, their mechanisms of action, and an update of the BLIs capable of restoring the activity of β-lactam drugs against ESKAPE (Enterococcus spp., Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.) pathogens. Subsequently, we will discuss several promising alternative approaches such as bacteriophages, antimicrobial peptides, nanoparticles, CRISPR (clustered regularly interspaced short palindromic repeats) cas technology, or vaccination developed to limit antimicrobial resistance in this endless fight against Gram-negative pathogens.
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Affiliation(s)
- Corneliu Ovidiu Vrancianu
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
| | - Irina Gheorghe
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
| | - Elena-Georgiana Dobre
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
| | - Ilda Czobor Barbu
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
| | - Roxana Elena Cristian
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania;
| | - Marcela Popa
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
| | - Sang Hee Lee
- Department of Biological Sciences, Myongji University, 03674 Myongjiro, Yongin 449-728, Gyeonggido, Korea;
- National Leading Research Laboratory, Department of Biological Sciences, Myongji University, 116 Myongjiro, Yongin 17058, Gyeonggido, Korea
| | - Carmen Limban
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia no.6, 020956 Bucharest, Romania; (C.L.); (I.M.V.)
| | - Ilinca Margareta Vlad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, Traian Vuia no.6, 020956 Bucharest, Romania; (C.L.); (I.M.V.)
| | - Mariana Carmen Chifiriuc
- Microbiology Immunology Department and The Research Institute of the University of Bucharest, Faculty of Biology, University of Bucharest, 020956 Bucharest, Romania; (C.O.V.); (E.-G.D.); (I.C.B.); (M.P.); (M.C.C.)
- Academy of Romanian Scientists, 030167 Bucharest, Romania
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