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Jarocki VM, Li D, Bogema DR, Yam J, Jenkins C, Hai FI, Djordjevic SP. Comparative genomic analysis of ESBL-selected and non-selected Escherichia coli in Australian wastewater: Elucidating differences in diversity, antimicrobial resistance, and virulence profiles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 949:175079. [PMID: 39094658 DOI: 10.1016/j.scitotenv.2024.175079] [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: 03/13/2024] [Revised: 07/07/2024] [Accepted: 07/25/2024] [Indexed: 08/04/2024]
Abstract
Extended-spectrum β-lactamases (ESBLs)-producing E. coli have been proposed as an indicator bacterium for antimicrobial resistance (AMR) surveillance within a OneHealth framework. However, it is important to understand the effects and potential biases ESBL-selection has on E. coli populations. Utilising whole genome sequencing, this study compared 80 ESBL-selected E. coli isolates with 201 non-selected isolates from Australian wastewater. The findings revealed significant variations between these cohorts in genetic diversity, AMR profiles, and carriage of virulence-associated genes (VAGs), plasmids, and the transmissible Locus of Stress Tolerance (tLST), a genomic island that imparts resistance to extreme heat and chlorination. The study highlights the predominance of certain sequence types (STs), particularly ST131 (75 % clade A), in ESBL-selected isolates (40 % vs 2 %) and overall the ESBL-selected isolates were largely multidrug-resistant (MDR), predominantly carrying genes for resistance to aminoglycosides, extended-spectrum β-lactams, fluoroquinolone, macrolides, sulphonamides/trimethoprim, and tetracyclines. The ESBLs identified were almost exclusively blaCTX-M genes, most commonly blaCTX-M-15 > blaCTX-M-27 > blaCTX-M-14. These were predominately carried on IncF plasmids or chromosomally (always ISEcp1 associated), in equal numbers. In contrast, 80 % of non-selected isolates carried no acquired ARGs, and none carried blaCTX-M genes. In both cohorts, extraintestinal pathogenic E. coli (ExPEC) was the dominate pathotype (35 % total) with few (4 % total) intestinal pathogenic E. coli pathotypes identified (aEPEC > ETEC > EAEC). Nevertheless, some clinically important genes were only identified in the non-selected group, namely tigecycline-resistance gene tet(X4) and AmpC ESBL blaCMY-2. Additionally, the presence of tLST, associated with higher metal resistance gene carriage (Ag, As, Cu, Hg, Ni), in a substantial portion of non-selected isolates (20 % vs 0 %), underscores environmental pressures shaping bacterial populations in wastewater ecosystems. These insights are important for developing comprehensive, less biased genomic surveillance strategies to understand and manage public health threats posed by pathogenic E. coli and AMR.
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Affiliation(s)
- Veronica M Jarocki
- Australian Institute for Microbiology & Infection, University of Technology Sydney, NSW, Australia; Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, NSW, Australia; Cooperative Research Centre for Solving Antimicrobial resistance in Agribusiness, Food and Environment (CRC SAAFE), South Australia, Australia.
| | - Dmitriy Li
- Australian Institute for Microbiology & Infection, University of Technology Sydney, NSW, Australia; Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, NSW, Australia
| | - Daniel R Bogema
- Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, NSW, Australia; Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, NSW, Australia
| | - Jerald Yam
- Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, NSW, Australia
| | - Cheryl Jenkins
- Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, NSW, Australia; Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, NSW, Australia
| | - Faisal I Hai
- School of Civil, Mining, Environmental and Architectural Engineering, University of Wollongong, NSW, Australia
| | - Steven P Djordjevic
- Australian Institute for Microbiology & Infection, University of Technology Sydney, NSW, Australia; Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, NSW, Australia.
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2
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Kotzamanidis C, Malousi A, Paraskeva A, Vafeas G, Giantzi V, Hatzigiannakis E, Dalampakis P, Kinigopoulou V, Vrouhakis I, Zouboulis A, Yiangou M, Zdragas A. River waters in Greece: A reservoir for clinically relevant extended-spectrum-β-lactamases-producing Escherichia coli. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 941:173554. [PMID: 38823724 DOI: 10.1016/j.scitotenv.2024.173554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/10/2024] [Accepted: 05/24/2024] [Indexed: 06/03/2024]
Abstract
In the current study, the genotypic characteristics such as antimicrobial resistance and virulence genes, and plasmid replicons and phenotypic characteristics such as biofilm formation and antimicrobial resistance of 87 extended-spectrum beta-lactamase (ESBL)-producing E. coli (ESBL-Ec) isolated from 7 water bodies in northern Greece were investigated. Our data show a high prevalence (60.0 %) of ESBL-Ec in surface waters that exhibit high genetic diversity, suggesting multiple sources of their transmission into the aquatic environment. When evaluating the antimicrobial resistance of isolates, wide variation in their resistance profiles has been detected, with all isolates being multi-drug resistant (MDR). Regarding biofilm formation capacity and phylogenetic groups, the majority (54.0 %, 47/87) of ESBL-Ec were classified as no biofilm producers mainly assigned to phylogroup A (35.6 %; 31/87), followed by B2 (26.5 %; 23/87). PCR screening showed that a high proportion of the isolates tested positive for the blaCTX-M-1 group genes (69 %, 60/87), followed by blaTEM (55.2 %, 48/87), blaOXA (25.3 %, 22/87) and blaCTX-M-9 (17.2 %, 15/87). A subset of 28 ESBL-Ec strains was further investigated by applying whole genome sequencing (WGS), and among them, certain clinically significant sequence types were identified, such as ST131 and ST10. The corresponding in silico analysis predicted all these isolates as human pathogens, while a significant proportion of WGS-ESBL-Ec were assigned to extraintestinal pathogenic E. coli (ExPEC; 32.1 %), and urinary pathogenic E. coli (UPEC; 28.6 %) pathotypes. Comparative phylogenetic analysis, showed that the genomes of the ST131-O25:H4-H30 isolates are genetically linked to the human clinical strains. Here, we report for the first time the detection of a plasmid-mediated mobile colistin resistance gene in ESBL-Ec in Greece isolated from an environmental source. Overall, this study underlines the role of surface waters as a reservoir for antibiotic resistance genes and for presumptive pathogenic ESBL-Ec.
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Affiliation(s)
- Charalampos Kotzamanidis
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece.
| | - Andigoni Malousi
- School of Medicine, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Genomics and Epigenomics Translational Research Group, Center for Interdisciplinary Research and Innovation, Thessaloniki 57001, Greece
| | - Anastasia Paraskeva
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - George Vafeas
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
| | - Virginia Giantzi
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
| | - Evaggelos Hatzigiannakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Paschalis Dalampakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Vasiliki Kinigopoulou
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Ioannis Vrouhakis
- Soil & Water Resources Institute, Hellenic Agricultural Organisation-DEMETER, Sindos, Central Macedonia 57400, Greece
| | - Anastasios Zouboulis
- Department of Chemistry, Division of Chemical & Industrial Technology, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Minas Yiangou
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Antonios Zdragas
- Veterinary Research Institute of Thessaloniki, Hellenic Agricultural Organisation-DEMETER, Campus of Thermi, Thermi 570 01, Greece
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3
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Sarekoski A, Lipponen A, Hokajärvi AM, Räisänen K, Tiwari A, Paspaliari D, Lehto KM, Oikarinen S, Heikinheimo A, Pitkänen T. Simultaneous biomass concentration and subsequent quantitation of multiple infectious disease agents and antimicrobial resistance genes from community wastewater. ENVIRONMENT INTERNATIONAL 2024; 191:108973. [PMID: 39182255 DOI: 10.1016/j.envint.2024.108973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 07/01/2024] [Accepted: 08/19/2024] [Indexed: 08/27/2024]
Abstract
Wastewater-based surveillance (WBS) of infectious disease agents is increasingly seen as a reliable source of population health data. To date, wastewater-based surveillance efforts have largely focused on individual pathogens. However, given that wastewater contains a broad range of pathogens circulating in the population, a more comprehensive approach could enhance its usability. We focused on the simultaneous detection of SARS-CoV-2, sapovirus, Campylobacter jejuni, Campylobacter coli, Salmonella spp., pathogenic Escherichia coli, Cryptosporidium spp., Giardia spp. and antimicrobial resistance genes (ARGs) of clinical relevance. To achieve this goal, biomass concentration and nucleic acid extraction methods were optimized, and samples were analyzed by using a set of (RT)-qPCR and (HT)-qPCR methods. We determined the prevalence and the spatial and temporal trends of the targeted pathogens and collected novel information on ARGs in Finnish wastewater. In addition, the use of different wastewater concentrates, namely the ultrafiltered concentrate of the supernatant and the centrifuged pellet, and the effect of freezing and thawing wastewater prior to sample processing were investigated with the indicator microbe crAssphage. Freeze-thawing of wastewater decreased the gene copy count of crAssphage in comparison to analyzing fresh samples (p < 0.001). Campylobacters were most abundant in two of the four studied summer months (30 % detection rate) and in wastewaters from regions with intensive animal farming. Salmonella, however, was detected in 40 % of the samples without any clear seasonal trends, and the highest gene copy numbers were recorded from the largest wastewater treatment plants. Beta-lactamase resistance genes that have commonly been detected in bacteria isolated from humans in Finland, namely blaCTX-M, blaOXA48, blaNDM, and blaKPC, were also frequently detected in wastewaters (100, 98, 98, and 70 % detection rates, respectively). These results confirm the reliability of using wastewater in public health surveillance and demonstrate the possibility to simultaneously perform WBS of multiple pathogens.
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Affiliation(s)
- Anniina Sarekoski
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland; University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland.
| | - Anssi Lipponen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Anna-Maria Hokajärvi
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Kati Räisänen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Mannerheimintie 166, Helsinki FI-00271, Finland.
| | - Ananda Tiwari
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland.
| | - Dafni Paspaliari
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Mannerheimintie 166, Helsinki FI-00271, Finland.
| | - Kirsi-Maarit Lehto
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520 Tampere, Finland.
| | - Sami Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520 Tampere, Finland.
| | - Annamari Heikinheimo
- University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland; Finnish Food Authority, Alvar Aallon katu 5, FI-60100 Seinäjoki, Finland.
| | - Tarja Pitkänen
- Finnish Institute for Health and Welfare, Expert Microbiology Unit, Neulaniementie 4, Kuopio FI-70701, Finland; University of Helsinki, Faculty of Veterinary Medicine, Department of Food Hygiene and Environmental Health, Agnes Sjöbergin katu 2, Helsinki FI-00014, Finland.
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An L, Wu Y, Zhang B, Xu Q, Liao L, Wu S, Xu X, He Q, Pei X, Chen J. Transmission chains and molecular characterizations of extended-spectrum β-lactamase producing Enterobacteriaceae at a veterinary hospital in Chengdu, China. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024:105658. [PMID: 39168275 DOI: 10.1016/j.meegid.2024.105658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 08/15/2024] [Accepted: 08/17/2024] [Indexed: 08/23/2024]
Abstract
The rapid emergence of Extended-spectrum β-lactamase producing Enterobacteriaceae (ESBL-E) is a major global public health concern. Previous studies have identified that intensive medical care of dogs and cats in veterinary hospitals have accelerated the infections and spread of ESBL-E. To investigate the spread of ESBL-E in a veterinary hospital, a total of 202 samples including hospitalized animals, veterinary healthcare workers and environment were collected from a veterinary hospital in Chengdu, China. ESBL-E were identified by antimicrobial susceptibility testing and 16 s rRNA sequencing and were further conducted on ESBL gene detection and multilocus sequence typing (MLST). At last, strains with transmission potential were analyzed by whole genome sequencing (WGS). Our results showed that the overall prevalence of ESBL-positive isolates was 34.7% (70/202), with 55.3% (26/47) in animals, 29.3% (12/41) in healthcare workers and 28.1% (32/114) in environment swabs. Twenty diverse MLST types were detected, with ST744, ST231 as the most prevalent ones. Transmission chains of two ESBL-E.coli (ST744 blaCTX-M-18, blaTEM-1) from cat_21 to cat_14, and two ESBL-Kp (ST231 blaCTX-M-27, blaTEM-1, blaSHV-1) from cat_20 to cat_37 were further confirmed by WGS. Furthermore, interdisciplinary investigation and cooperation of AMR are needed to better limit the transmissions of high-risk strains and to implement effective public health interventions.
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Affiliation(s)
- Longyi An
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Yating Wu
- Beijing Tongzhou District Center for Disease Control and Prevention, Luhe Middle School, 1 North Street, Tongzhou District, Beijing, China
| | - Baochao Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Qiuhong Xu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Linxuan Liao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Shanshan Wu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Xin Xu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Qiurong He
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China
| | - Xiaofang Pei
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China; Non-Communicable Diseases Research Center, West China-PUMC C. C. Chen Institute of Health, Sichuan University, Chengdu 610041, China
| | - Jiayi Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, 16#, Section 3, Renmin Road South, Chengdu 610041, Sichuan, China.
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Komori K, Aoki K, Harada S, Ishii Y, Tateda K. Plasmid-mediated acquisition and chromosomal integration of blaCTX-M-14 in a subclade of Escherichia coli ST131- H30 clade C1. Antimicrob Agents Chemother 2024:e0081724. [PMID: 39133024 DOI: 10.1128/aac.00817-24] [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: 06/03/2024] [Accepted: 07/19/2024] [Indexed: 08/13/2024] Open
Abstract
Escherichia coli ST131 is a multidrug-resistant lineage associated with the global spread of extended-spectrum β-lactamase-producing organisms. Particularly, ST131 clade C1 is the most predominant clade in Japan, harboring blaCTX-M-14 at a high frequency. However, the process of resistance gene acquisition and spread remains unclear. Here, we performed whole-genome sequencing of 19 E. coli strains belonging to 12 STs and 12 fimH types collected between 1997 and 2016. Additionally, we analyzed the full-length genome sequences of 96 ST131-H30 clade C0 and C1 strains, including those obtained from this study and those registered in public databases, to understand how ST131 clade C1 acquired and spread blaCTX-M-14. We detected conjugative IncFII plasmids and IncB/O/K/Z plasmids carrying blaCTX-M-14 in diverse genetic lineages of E. coli strains from the 1990s to the 2010s, suggesting that these plasmids played an important role in the spread of blaCTX-M-14. Molecular phylogenetic and molecular clock analyses of the 96 ST131-H30 clade C0 and C1 strains identified 8 subclades. Strains harboring blaCTX-M-14 were clustered in subclades 4 and 5, and it was inferred that clade C1 acquired blaCTX-M-14 around 1993. All 34 strains belonging to subclade 5 possessed blaCTX-M-14 with ISEcp1 upstream at the same chromosomal position, indicating their common ancestor acquired blaCTX-M-14 in a single ISEcp1-mediated transposition event during the early formation of the subclade around 1999. Therefore, both the horizontal transfer of plasmids carrying blaCTX-M-14 to diverse genetic lineages and chromosomal integration in the predominant genetic lineage have contributed to the spread of blaCTX-M-14.
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Affiliation(s)
- Kohji Komori
- Department of Microbiology and Infectious Diseases, Toho University Graduate School of Medicine, Tokyo, Japan
| | - Kotaro Aoki
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Sohei Harada
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Yoshikazu Ishii
- Department of Microbiology and Infectious Diseases, Toho University Graduate School of Medicine, Tokyo, Japan
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
- Center for the Planetary Health and Innovation Science (PHIS), The IDEC Institute, Hiroshima University, Higashi-Hiroshima, Japan
| | - Kazuhiro Tateda
- Department of Microbiology and Infectious Diseases, Toho University Graduate School of Medicine, Tokyo, Japan
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
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Zdarska V, Kolar M, Mlynarcik P. Occurrence of beta-lactamases in bacteria. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 122:105610. [PMID: 38810790 DOI: 10.1016/j.meegid.2024.105610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 05/21/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Our study highlights the escalating issue of beta-lactam resistance in nosocomial pathogens, driven by the broad spectrum of antibiotic-degrading enzymes and plasmid exchange. We catalogued known beta-lactamases across 230 bacterial genera, identified 2349 potential beta-lactamases across over 673 genera, and anticipate discovering many new types, underscoring the need for targeted gene analysis in combating resistance. This study also elucidates the complex relationship between the diversity and frequency of beta-lactamase genes across bacterial genera, highlighting the need for genus-specific approaches in combating antibiotic resistance and emphasizing these genes' significant global distribution and host-specific prevalence. We report many transcriptional regulators, transposases and other factors in the genomes of 20 different bacterial isolates, some of which are consistent with the ability of these species to adapt to different environments. Although we could not determine precisely which factors regulate the presence of beta-lactamases in specific bacteria, we found that the proportion of regulatory genes, the size of the genome, and other factors are not decisive. Further studies are needed to elucidate key aspects of this process.
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Affiliation(s)
- Veronika Zdarska
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 775 15 Olomouc, Czechia.
| | - Milan Kolar
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 775 15 Olomouc, Czechia.
| | - Patrik Mlynarcik
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 775 15 Olomouc, Czechia.
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Ali MS, Na SH, Moon BY, Kang HY, Kang HS, Kim SJ, Kim TS, Heo YE, Hwang YJ, Yoon SS, Lim SK. Antimicrobial Resistance Profiles and Molecular Characteristics of Extended-Spectrum β-Lactamase-Producing Salmonella enterica Serovar Typhimurium Isolates from Food Animals During 2010-2021 in South Korea. Foodborne Pathog Dis 2024. [PMID: 39029478 DOI: 10.1089/fpd.2023.0128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2024] Open
Abstract
Extended-spectrum β-lactamase (ESBL)-producing Salmonella is emerging as a worldwide public health concern. In this study, we aimed to investigate the antimicrobial resistance profiles and molecular characteristics of ESBL-producing Salmonella enterica serovar Typhimurium (S. Typhimurium). We obtained a total of 995 S. Typhimurium isolates from the feces and carcasses of pigs (n = 678), chickens (n = 202), and cattle (n = 115) during 2010-2021 in Korea. We found that 35 S. Typhimurium isolates (3.5%) showed resistance to ceftiofur: pigs (51.4%, 18/35) and cattle (42.9%, 15/35). All of the ceftiofur-resistant S. Typhimurium isolates demonstrated multidrug resistance. Moreover, ceftiofur-resistant S. Typhimurium isolates displayed significantly higher rates of resistance to chloramphenicol and trimethoprim/sulfamethoxazole than ceftiofur-susceptible S. Typhimurium isolates (p < 0.05). The ceftiofur-resistant S. Typhimurium isolates produced four different CTX-M-type β-lactamase, comprising blaCTX-M-55 in the majority (51.4%, 18/35), followed by blaCTX-M-65 (28.6%, 10/35), blaCTX-M-14 (17.1%, 6/35), and blaCTX-M-1 (2.9%, 1/35). Among the 35 ceftiofur-resistant S. Typhimurium isolates, 16 blaCTX-M-55-positive isolates and one blaCTX-M-1-positive isolate were transferred to recipient Escherichia coli RG488 by conjugation. The predominantly found transposable units were blaCTX-M-55-orf477 (45.7%, 16/35), followed by blaCTX-M-65-IS903 (28.6%, 10/35) and blaCTX-M-14-IS903 (17.1%, 6/35). Ceftiofur-resistant S. Typhimurium represented 19 types, with types P1-19 (22.9%, 8/35) and P12-34 (22.9%, 8/35) making up the majority and being found in most farms nationwide. Sequence types (STs) were different by animal species: ST19 (48.6%, 17/35) and ST34 (42.9%, 15/35) were mostly found STs in pigs and cattle, respectively. These findings showed that food animals, especially pigs and cattle, act as reservoirs of blaCTX-M-harboring S. Typhimurium that can potentially be spread to humans.
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Affiliation(s)
- Md Sekendar Ali
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Seok-Hyeon Na
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Bo-Youn Moon
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Hee Young Kang
- Centre for Infectious Diseases Research, Korea Centers for Disease Control and Prevention, Cheongju, Republic of Korea
| | - Hee-Seung Kang
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Su-Jeong Kim
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Tae-Sun Kim
- Public Health and Environment Institute of Gwangju, Gwangju, Republic of Korea
| | - Ye-Eun Heo
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Yu-Jeong Hwang
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Soon Seek Yoon
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
| | - Suk-Kyung Lim
- Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Gimcheon-si, Republic of Korea
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Liu T, Lee S, Kim M, Fan P, Boughton RK, Boucher C, Jeong KC. A study at the wildlife-livestock interface unveils the potential of feral swine as a reservoir for extended-spectrum β-lactamase-producing Escherichia coli. JOURNAL OF HAZARDOUS MATERIALS 2024; 473:134694. [PMID: 38788585 DOI: 10.1016/j.jhazmat.2024.134694] [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: 01/20/2024] [Revised: 05/19/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
Wildlife is known to serve as carriers and sources of antimicrobial resistance (AMR). Due to their unrestricted movements and behaviors, they can spread antimicrobial resistant bacteria among livestock, humans, and the environment, thereby accelerating the dissemination of AMR. Extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae is one of major concerns threatening human and animal health, yet transmission mechanisms at the wildlife-livestock interface are not well understood. Here, we investigated the mechanisms of ESBL-producing bacteria spreading across various hosts, including cattle, feral swine, and coyotes in the same habitat range, as well as from environmental samples over a two-year period. We report a notable prevalence and clonal dissemination of ESBL-producing E. coli in feral swine and coyotes, suggesting their persistence and adaptation within wildlife hosts. In addition, in silico studies showed that horizontal gene transfer, mediated by conjugative plasmids and insertion sequences elements, may play a key role in spreading the ESBL genes among these bacteria. Furthermore, the shared gut resistome of cattle and feral swine suggests the dissemination of antibiotic resistance genes at the wildlife-livestock interface. Taken together, our results suggest that feral swine may serve as a reservoir of ESBL-producing E. coli.
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Affiliation(s)
- Ting Liu
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611 USA; Department of Animal Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32611 USA
| | - Shinyoung Lee
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611 USA; Department of Animal Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32611 USA
| | - Miju Kim
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611 USA; Department of Animal Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32611 USA; Department of Food Science and Biotechnology, Kyung Hee University, Yongin, Republic of Korea
| | - Peixin Fan
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611 USA; Department of Animal Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32611 USA
| | - Raoul K Boughton
- Range Cattle Research and Education Center, Wildlife Ecology and Conservation, University of Florida, Ona, FL 33865, USA
| | - Christina Boucher
- Department of Computer and Information Science and Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL 32611 USA
| | - Kwangcheol C Jeong
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611 USA; Department of Animal Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32611 USA.
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9
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Crettels L, Burlion N, Habets A, Taminiau B, Daube G, Delrée E, Mouchette AF, Thiry D. Exploring the presence, genomic traits, and pathogenic potential of extended-spectrum β-lactamase Escherichia coli in freshwater, wastewater, and hospital effluents. J Appl Microbiol 2024; 135:lxae144. [PMID: 38906843 DOI: 10.1093/jambio/lxae144] [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: 11/16/2023] [Revised: 05/30/2024] [Accepted: 06/20/2024] [Indexed: 06/23/2024]
Abstract
AIMS The purpose of this work was to study extended-spectrum β-lactamase (ESBL)-producing Escherichia coli (ESBL-EC) in freshwaters, hospital effluents, and wastewaters during two sampling campaigns in 2021. METHODS AND RESULTS Water sampling was performed at 24 stations in the Ourthe watershed in Belgium. A total of 644 ESBL (n = 642) and AmpC (n = 2) E. coli strains were isolated. Disk-diffusion assays were performed following the EUCAST's recommendations. All strains were tested for the presence of blaCTX-M-1, blaCTX-M-2, and blaCTX-M-9 gene groups by PCR. Genes belonging to blaCTX-M-1 and blaCTX-M-9 groups were detected, respectively, in 73.6% and 14.9% of the strains. No blaCTX-M-2 group's gene was found. A subset of strains (n = 40) was selected for whole genome sequencing. Escherichia coli serotype O18: H7 ST 1463 was predominant (n = 14) in the sequenced strains and showed pathogenicity in the Galleria mellonella larvae model. β-lactamase genes identified were blaCTX-M (n = 21), with blaCTX-M-15 mostly represented (n = 15), as well as blaTEM (n = 11), blaOXA (n = 7), blaSHV (n = 9), and carbapenemase (CP) genes were observed in several strains-blaKPC-3 (n = 19), blaNDM-1 (n = 1), blaVIM-1 (n = 2), and blaOXA-244 (n = 2)-even from freshwaters. CONCLUSIONS ESBL-EC are widely distributed in the aquatic environment in Belgium and contain a variety of ESBL and CP genes.
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Affiliation(s)
- Leslie Crettels
- Department of Microbiology, Scientific Institute of Public Service (ISSeP), 4000 Liège, Belgium
- Veterinary bacteriology and bacterial animal diseases, Department of Parasitic and Infectious Diseases, Fundamental and Applied Research for Animals and Health Centre (FARAH), Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Nadine Burlion
- Department of Microbiology, Scientific Institute of Public Service (ISSeP), 4000 Liège, Belgium
| | - Audrey Habets
- Veterinary bacteriology and bacterial animal diseases, Department of Parasitic and Infectious Diseases, Fundamental and Applied Research for Animals and Health Centre (FARAH), Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Bernard Taminiau
- Department of Food Sciences-Microbiology, Fundamental and Applied Research for Animals and Health Centre (FARAH), Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Georges Daube
- Department of Food Sciences-Microbiology, Fundamental and Applied Research for Animals and Health Centre (FARAH), Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Elisa Delrée
- Department of Microbiology, Scientific Institute of Public Service (ISSeP), 4000 Liège, Belgium
| | | | - Damien Thiry
- Veterinary bacteriology and bacterial animal diseases, Department of Parasitic and Infectious Diseases, Fundamental and Applied Research for Animals and Health Centre (FARAH), Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
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10
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Uea-Anuwong T, Biggel M, Cernela N, Hung WW, Lugsomya K, Kiu LH, Gröhn YT, Boss S, Stephan R, Nüesch-Inderbinen M, Magouras I. Antimicrobial resistance and phylogenetic relatedness of extended-spectrum ß-lactamase (ESBL)-producing Escherichia coli in peridomestic rats (Rattus norvegicus and Rattus tanezumi) linked to city areas and animal farms in Hong Kong. ENVIRONMENTAL RESEARCH 2024; 251:118623. [PMID: 38462086 DOI: 10.1016/j.envres.2024.118623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/01/2024] [Accepted: 03/02/2024] [Indexed: 03/12/2024]
Abstract
Extended-spectrum β-lactamase-producing Escherichia (E.) coli (ESBL-EC) in the clinical setting have emerged as a major threat to public and animal health. Wildlife, including Rattus spp. may serve as reservoirs and spreaders of ESBL-EC in the environment. Peridomestic rats are well adapted to living in proximity to humans and animals in a variety of urban and agricultural environments and may serve as sentinels to identify variations of ESBL-EC within their different habitats. In this study, a set of 221 rats (Rattus norvegicus, R. tanezumi, R. andamanensis, and Niviventer huang) consisting of 104 rats from city areas, 44 from chicken farms, 52 from pig farms, and 21 from stables of horse-riding schools were screened for ESBL-EC. Overall, a total of 134 ESBL-EC were isolated from the caecal samples of 130 (59%) rats. The predominant blaESBL genes were blaCTX-M-14, blaCTX-M-15, blaCTX-M-55, and blaCTX-M-65. Phylogenetic analysis revealed a total of 62 sequence types (STs) and 17 SNP clusters. E. coli ST10 and ST155 were common to ESBL-EC from city areas and chicken farms, and ST44 were found among ESBL-EC from city areas and pig farms. Extra-intestinal pathogenic E. coli (ExPEC) ST69, ST131 and ST1193 were found exclusively among rats from city areas, and avian pathogenic E. coli (APEC) ST177 was restricted to ESBL-EC originating from chicken farms. Phylogenetic analysis showed that the populations of rodent ESBL-EC from city areas, chicken farms and pig farms were genetically different, suggesting a certain degree of partitioning between the human and animal locations. This study contributes to current understanding of ESBL-EC occurring in rats in ecologically diverse locations.
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Affiliation(s)
- Theethawat Uea-Anuwong
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Michael Biggel
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Nicole Cernela
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Wu Wai Hung
- Centre for Applied One Health Research and Policy Advice, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Kittitat Lugsomya
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Lam Hoi Kiu
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Yrjö Tapio Gröhn
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Sara Boss
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | | | - Ioannis Magouras
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China; Centre for Applied One Health Research and Policy Advice, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
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11
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Intuy R, Supa-Amornkul S, Jaemsai B, Ruangchai W, Wiriyarat W, Chaturongakul S, Palittapongarnpim P. A novel variant in Salmonella genomic island 1 of multidrug-resistant Salmonella enterica serovar Kentucky ST198. Microbiol Spectr 2024; 12:e0399423. [PMID: 38687075 PMCID: PMC11237444 DOI: 10.1128/spectrum.03994-23] [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: 11/20/2023] [Accepted: 04/09/2024] [Indexed: 05/02/2024] Open
Abstract
Salmonella enterica serovar Kentucky ST198 is a major health threat due to its resistance to ciprofloxacin and several other drugs, including third-generation cephalosporins. Many drug-resistant genes have been identified in the Salmonella genomic island 1 variant K (SGI1-K). In this study, we investigated the antimicrobial resistance (AMR) profile and genotypic relatedness of two isolates of ciprofloxacin-resistant (CIPR) S. Kentucky ST198 from poultry in Northeastern Thailand. We successfully assembled the complete genomes of both isolates, namely SSSE-01 and SSSE-03, using hybrid de novo assembly of both short- and long-read sequence data. The complete genomes revealed their highly similar genomic structures and a novel variant of SGI1-K underlying multidrug-resistant (MDR) patterns, including the presence of blaTEM-1b, which confers resistance to beta-lactams, including cephalosporins and lnu(F) which confers resistance to lincomycin and other lincosamides. In addition, the chromosomal mutations in the quinolone resistance-determining region (QRDR) were found at positions 83 (Ser83Phe) and 87 (Asp87Asn) of GyrA and at positions 57 (Thr57Ser) and 80 (Ser80Ile) of ParC suggesting high resistance to ciprofloxacin. We also compared SSSE-01 and SSSE-03 with publicly available complete genome data and revealed significant variations in SGI1-K genetic structures and variable relationships to antibiotic resistance. In comparison to the other isolates, SGI1-K of SSSE-01 and SSSE-03 had a relatively large deletion in the backbone, spanning from S011 (traG∆) to S027 (resG), and the inversion of the IS26-S044∆-yidY segment. Their MDR region was characterized by the inversion of a large segment, including the mer operon and the relocation of IntI1 and several resistance genes downstream of the IS26-S044∆-yidY segment. These structural changes were likely mediated by the recombination of IS26. The findings broaden our understanding of the possible evolution pathway of SGI1-K in fostering drug resistance, which may provide opportunities to control these MDR strains.IMPORTANCEThe emergence of ciprofloxacin-resistant (CIPR) Salmonella Kentucky ST198 globally has raised significant concerns. This study focuses on two poultry isolates from Thailand, revealing a distinct Salmonella genomic island 1 variant K (SGI1-K) genetic structure. Remarkably, multiple antibiotic resistance genes (ARGs) were identified within the SGI1-K as well as other locations in the chromosome, but not in plasmids. Comparing the SGI1-K genetic structures among global and even within-country isolates unveiled substantial variations. Intriguingly, certain isolates lacked ARGs within the SGI1-K, while others had ARGs relocated outside. The presence of chromosomal extended-spectrum β-lactamase (ESBL) genes and lincosamide resistance, lnu(F), gene, could potentially inform the choices of the treatment of CIPRS. Kentucky ST198 infections in humans. This study highlights the importance of understanding the diverse genetic structures of SGI1-K and emphasizes the role of animals and humans in the emergence of antimicrobial resistance.
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Affiliation(s)
- Rattanaporn Intuy
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Sirirak Supa-Amornkul
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Department of Oral Microbiology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Bharkbhoom Jaemsai
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Wuthiwat Ruangchai
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Witthawat Wiriyarat
- Department of Pre-Clinical and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Bangkok, Thailand
| | - Soraya Chaturongakul
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Molecular Medical Biosciences Cluster, Institute of Molecular Biosciences, Mahidol University, Bangkok, Thailand
| | - Prasit Palittapongarnpim
- Professor Pornchai Matangkasombut Center for Microbial Genomics (CENMIG), Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
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12
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Sivan G, V K H, Sukumaran DP, Abdulla MH. Exploring extended-spectrum beta lactamase resistance in Vibrio parahaemolyticus and Vibrio cholerae within the tropical mangrove ecosystem of southwest India. Braz J Microbiol 2024:10.1007/s42770-024-01404-z. [PMID: 38831174 DOI: 10.1007/s42770-024-01404-z] [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: 04/06/2024] [Accepted: 05/28/2024] [Indexed: 06/05/2024] Open
Abstract
Multidrug-resistant pathogenic vibrios are a crisis of concern as they cause multiple illnesses, including gastroenteritis in humans and acute hepatopancreatic necrosis in aquaculture. In the current study, we investigated the prevalence of the beta-lactamase gene CTX-M-group 1 in Vibrio spp. (Vibrio cholerae and Vibrio parahaemolyticus) from the water and sediment of urban tropical mangrove ecosystems of Kerala, southwest India. A total of 120 isolates of Vibrio spp. were tested for antibiotic susceptibility to 14 antibiotics. In water, ampicillin resistance was very high in isolates of V. cholerae (94.1%, n = 17) and V. parahaemolyticus (89.1%, n = 46). 26.9% of V. parahaemolyticus and 14.2% of V. cholerae harbored the CTX-M-group 1 gene in water samples. Compared to V. cholerae, the CTX-M-group 1 gene was exclusively hosted by V. parahaemolyticus (49%) in sediment samples. A significant difference in the prevalence of the CTX-M-group 1 gene was observed among Vibrio spp. in both water and sediment samples (p < 0.05). The results revealed the presence of multidrug-resistant and beta-lactamase harboring Vibrio spp. in mangrove ecosystems, which may have evolved as a consequence of the misuse and abuse of broad-spectrum antibiotics as prophylaxis in human health care and aquaculture.
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Affiliation(s)
- Gopika Sivan
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi-16, Kerala, India.
| | - Hridya V K
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi-16, Kerala, India
| | - Divya P Sukumaran
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi-16, Kerala, India
| | - Mohamed Hatha Abdulla
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi-16, Kerala, India
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13
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Parzygnat JL, Crespo R, Koci MD, Dunn RR, Harden L, Fosnaught M, Thakur S. Widespread prevalence of plasmid-mediated blaCTX-M type extended-spectrum beta-lactamase Escherichia coli in backyard broiler production systems in the United States. PLoS One 2024; 19:e0304599. [PMID: 38829840 PMCID: PMC11146730 DOI: 10.1371/journal.pone.0304599] [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: 01/18/2024] [Accepted: 05/14/2024] [Indexed: 06/05/2024] Open
Abstract
Extended-spectrum beta-lactamase (ESBL) Escherichia coli (E. coli) is an emerging pathogen of high concern given its resistance to extended-spectrum cephalosporins. Broiler chicken, which is the number one consumed meat in the United States and worldwide, can be a reservoir of ESBL E. coli. Backyard poultry ownership is on the rise in the United States, yet there is little research investigating prevalence of ESBL E. coli in this setting. This study aims to identify the prevalence and antimicrobial resistance profiles (phenotypically and genotypically) of ESBL E. coli in some backyard and commercial broiler farms in the U.S. For this study ten backyard and ten commercial farms were visited at three time-points across flock production. Fecal (n = 10), litter/compost (n = 5), soil (n = 5), and swabs of feeders and waterers (n = 6) were collected at each visit and processed for E. coli. Assessment of ESBL phenotype was determined through using disk diffusion with 3rd generation cephalosporins, cefotaxime and ceftazidime, and that with clavulanic acid. Broth microdilution and whole genome sequencing were used to investigate both phenotypic and genotypic resistance profiles, respectively. ESBL E. coli was more prevalent in backyard farms with 12.95% of samples testing positive whereas 0.77% of commercial farm samples were positive. All isolates contained a blaCTX-M gene, the dominant variant being blaCTX-M-1, and its presence was entirely due to plasmids. Our study confirms concerns of growing resistance to fourth generation cephalosporin, cefepime, as roughly half (51.4%) of all isolates were found to be susceptible dose-dependent and few were resistant. Resistance to non-beta lactams, gentamicin and ciprofloxacin, was also detected in our samples. Our study identifies prevalence of blaCTX-M type ESBL E. coli in U.S. backyard broiler farms, emphasizing the need for interventions for food and production safety.
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Affiliation(s)
- Jessica L. Parzygnat
- Department of Population Health and Pathobiology, North Carolina State University College of Veterinary Medicine, Raleigh, NC, United States of America
| | - Rocio Crespo
- Department of Population Health and Pathobiology, North Carolina State University College of Veterinary Medicine, Raleigh, NC, United States of America
| | - Matthew D. Koci
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, United States of America
| | - Robert R. Dunn
- Department of Applied Ecology, North Carolina State University, Raleigh, NC, United States of America
| | - Lyndy Harden
- Department of Population Health and Pathobiology, North Carolina State University College of Veterinary Medicine, Raleigh, NC, United States of America
| | - Mary Fosnaught
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, United States of America
| | - Siddhartha Thakur
- Department of Population Health and Pathobiology, North Carolina State University College of Veterinary Medicine, Raleigh, NC, United States of America
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14
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Banerjee J, Batabyal S, Biswas S, Bhattacharyya D, Habib M, Das AK, Nanda PK, Samanta I, Dandapat P, Bandyopadhyay S. Stray Dogs (Mongrels) Are Potent Reservoir of Drug-Resistant Pathogens: A Study in Peri-Urban Areas of Kolkata, India. Microb Drug Resist 2024; 30:215-230. [PMID: 38656133 DOI: 10.1089/mdr.2023.0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
This study depicts the drug-resistance and phylogenomic characteristics of 365 Escherichia coli (EC) and 76 Klebsiella pneumoniae (KP) isolated from stray dogs (293) in and around Kolkata, India. Initial screening found 59 isolates, including 48 E. coli and 11 KP multidrug resistant, which included 33 extended-spectrum β-lactamase, 41 AmpC β-lactamase and 18 metallo-β-lactamase producers carrying blaNDM-1 (11) and blaNDM-5 (7) genes. Majority of them had the resistant genes such as blaCTX-M (33), blaTEM (18), blaSHV (4), blaOXA (17), blaFOX (2), blaDHA (2), blaCITM (15), blaCMY-2 (13), blaGES (2) and blaVEB (2), qnrS (15), qnrB (3), aac-6'-Ib-cr (14), tetA (26), tetB (14), sul-1 (25), armA (2) and rmtB (6), in addition to adherence genes such as csgA (33), fimA (27), fliC (13), sdiA (33), rcsA (38), and rpoS (39). They also carried plasmid of diverse replicon types of which IncFIA and FIB were the most frequent. Phylogrouping categorized most of the MDR E. coli in phylogroup A (20), B1 (14), and B2 (6). Enterobacteriaceae repetitive intergenic consensus-polymerase chain reaction (ERIC-PCR) showed genetic diversity of multidrug resistant isolates irrespective of their origin, resistance, and virulence types, differentiating the EC in five clades (A-E) and KP in four clades (A-D). As these stray dogs, which had no history or scope of previous antimicrobial therapy, were found to have contracted potential antimicrobial resistance pathogens, the role of environment in spread of such pathogens and further possibility of human infections cannot be ruled out.
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Affiliation(s)
- Jaydeep Banerjee
- ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, India
| | - Subhasis Batabyal
- West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Suman Biswas
- West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | | | - Md Habib
- ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, India
| | - Arun K Das
- ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, India
| | - Pramod K Nanda
- ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, India
| | - Indranil Samanta
- West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Premanshu Dandapat
- ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, India
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15
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Singh G, Rana A, Smriti. Decoding antimicrobial resistance: unraveling molecular mechanisms and targeted strategies. Arch Microbiol 2024; 206:280. [PMID: 38805035 DOI: 10.1007/s00203-024-03998-2] [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: 03/31/2024] [Revised: 05/07/2024] [Accepted: 05/08/2024] [Indexed: 05/29/2024]
Abstract
Antimicrobial resistance poses a significant global health threat, necessitating innovative approaches for combatting it. This review explores various mechanisms of antimicrobial resistance observed in various strains of bacteria. We examine various strategies, including antimicrobial peptides (AMPs), novel antimicrobial materials, drug delivery systems, vaccines, antibody therapies, and non-traditional antibiotic treatments. Through a comprehensive literature review, the efficacy and challenges of these strategies are evaluated. Findings reveal the potential of AMPs in combating resistance due to their unique mechanisms and lower propensity for resistance development. Additionally, novel drug delivery systems, such as nanoparticles, show promise in enhancing antibiotic efficacy and overcoming resistance mechanisms. Vaccines and antibody therapies offer preventive measures, although challenges exist in their development. Non-traditional antibiotic treatments, including CRISPR-Cas systems, present alternative approaches to combat resistance. Overall, this review underscores the importance of multifaceted strategies and coordinated global efforts to address antimicrobial resistance effectively.
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Affiliation(s)
- Gagandeep Singh
- Department of Biosciences (UIBT), Chandigarh University, Punjab, 140413, India
| | - Anita Rana
- Department of Biosciences (UIBT), Chandigarh University, Punjab, 140413, India.
| | - Smriti
- Department of Biosciences (UIBT), Chandigarh University, Punjab, 140413, India
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16
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Wranne MS, Karami N, Kk S, Jaén-Luchoro D, Yazdanshenas S, Lin YL, Kabbinale A, Flach CF, Westerlund F, Åhrén C. Comparison of CTX-M encoding plasmids present during the early phase of the ESBL pandemic in western Sweden. Sci Rep 2024; 14:11880. [PMID: 38789462 PMCID: PMC11126669 DOI: 10.1038/s41598-024-62663-2] [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: 02/09/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024] Open
Abstract
Plasmids encoding blaCTX-M genes have greatly shaped the evolution of E. coli producing extended-spectrum beta-lactamases (ESBL-E. coli) and adds to the global threat of multiresistant bacteria by promoting horizontal gene transfer (HGT). Here we screened the similarity of 47 blaCTX-M -encoding plasmids, from 45 epidemiologically unrelated and disperse ESBL-E. coli strains, isolated during the early phase (2009-2014) of the ESBL pandemic in western Sweden. Using optical DNA mapping (ODM), both similar and rare plasmids were identified. As many as 57% of the plasmids formed five ODM-plasmid groups of at least three similar plasmids per group. The most prevalent type (28%, IncIl, pMLST37) encoded blaCTX-M-15 (n = 10), blaCTX-M-3 (n = 2) or blaCTX-M-55 (n = 1). It was found in isolates of various sequence types (STs), including ST131. This could indicate ongoing local HGT as whole-genome sequencing only revealed similarities with a rarely reported, IncIl plasmid. The second most prevalent type (IncFII/FIA/FIB, F1:A2:B20) harboring blaCTX-M-27, was detected in ST131-C1-M27 isolates, and was similar to plasmids previously reported for this subclade. The results also highlight the need for local surveillance of plasmids and the importance of temporospatial epidemiological links so that detection of a prevalent plasmid is not overestimated as a potential plasmid transmission event in outbreak investigations.
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Affiliation(s)
- Moa S Wranne
- Department of Life Sciences, Chalmers University of Technology, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Nahid Karami
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Guldhedsgatan 10A, 413 46, Gothenburg, Sweden.
- Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden.
| | - Sriram Kk
- Department of Life Sciences, Chalmers University of Technology, Gothenburg, Sweden
| | - Daniel Jaén-Luchoro
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Guldhedsgatan 10A, 413 46, Gothenburg, Sweden
- Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Shora Yazdanshenas
- Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden
| | - Yii-Lih Lin
- Department of Life Sciences, Chalmers University of Technology, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Arpitha Kabbinale
- Department of Life Sciences, Chalmers University of Technology, Gothenburg, Sweden
| | - Carl-Fredrik Flach
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Guldhedsgatan 10A, 413 46, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Fredrik Westerlund
- Department of Life Sciences, Chalmers University of Technology, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Christina Åhrén
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Guldhedsgatan 10A, 413 46, Gothenburg, Sweden
- Centre for Antibiotic Resistance Research in Gothenburg (CARe), University of Gothenburg, Gothenburg, Sweden
- Swedish Strategic Program Against Antimicrobial Resistance (Strama), Region Västra Götaland, Gothenburg, Sweden
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Sroithongkham P, Nittayasut N, Yindee J, Nimsamer P, Payungporn S, Pinpimai K, Ponglowhapan S, Chanchaithong P. Multidrug-resistant Escherichia coli causing canine pyometra and urinary tract infections are genetically related but distinct from those causing prostatic abscesses. Sci Rep 2024; 14:11848. [PMID: 38782931 PMCID: PMC11116460 DOI: 10.1038/s41598-024-62028-9] [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: 10/13/2023] [Accepted: 05/13/2024] [Indexed: 05/25/2024] Open
Abstract
Despite extensive characterisation of uropathogenic Escherichia coli (UPEC) causing urinary tract infections (UTIs), the genetic background of non-urinary extraintestinal pathogenic E. coli (ExPEC) in companion animals remains inadequately understood. In this study, we characterised virulence traits of 104 E. coli isolated from canine pyometra (n = 61) and prostatic abscesses (PAs) (n = 38), and bloodstream infections (BSIs) in dogs (n = 2), and cats (n = 3). A stronger association with UPEC of pyometra strains in comparison to PA strains was revealed. Notably, 44 isolates exhibited resistance to third-generation cephalosporins and/or fluoroquinolones, 15 were extended-spectrum ß-lactamase-producers. Twelve multidrug-resistant (MDR) strains, isolated from pyometra (n = 4), PAs (n = 5), and BSIs (n = 3), along with 7 previously characterised UPEC strains from dogs and cats, were sequenced. Genomic characteristics revealed that MDR E. coli associated with UTIs, pyometra, and BSIs belonged to international high-risk E. coli clones, including sequence type (ST) 38, ST131, ST617, ST648, and ST1193. However, PA strains belonged to distinct lineages, including ST12, ST44, ST457, ST744, and ST13037. The coreSNPs, cgMLST, and pan-genome illustrated intra-clonal variations within the same ST from different sources. The high-risk ST131 and ST1193 (phylogroup B2) contained high numbers of ExPEC virulence genes on pathogenicity islands, predominating in pyometra and UTI. Hybrid MDR/virulence IncF multi-replicon plasmids, containing aerobactin genes, were commonly found in non-B2 phylogroups from all sources. These findings offer genomic insights into non-urinary ExPEC, highlighting its potential for invasive infections in pets beyond UTIs, particularly with regards to high-risk global clones.
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Affiliation(s)
- Parinya Sroithongkham
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Naiyaphat Nittayasut
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Jitrapa Yindee
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pattaraporn Nimsamer
- Department of Biochemistry, Center of Excellence in Systems Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sunchai Payungporn
- Department of Biochemistry, Center of Excellence in Systems Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Komkiew Pinpimai
- Aquatic Resources Research Institute, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Suppawiwat Ponglowhapan
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pattrarat Chanchaithong
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Research Unit in Microbial Food Safety and Antimicrobial Resistance, Chulalongkorn University, Bangkok, 10330, Thailand.
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Song H, Yoo JS, Unno T. Discerning the dissemination mechanisms of antibiotic resistance genes through whole genome sequencing of extended-spectrum beta-lactamase (ESBL)-producing E. coli isolated from veterinary clinics and farms in South Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172068. [PMID: 38554973 DOI: 10.1016/j.scitotenv.2024.172068] [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: 01/22/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Extended-spectrum beta-lactamase (ESBL)-producing bacteria are resistant to most beta-lactams, including third-generation cephalosporins, limiting the treatment methods against the infections they cause. In this study, we performed whole genome sequencing of ESBL-producing E. coli to determine the mechanisms underlying the dissemination of antibiotic resistance genes. We analyzed 141 ESBL-producing isolates which had been collected from 16 veterinary clinics and 16 farms in South Korea. Long- and short-read sequencing platforms were used to obtain high-quality assemblies. The results showed that blaCTX-M is the dominant ESBL gene type found in South Korea. The spread of blaCTX-M appears to have been facilitated by both clonal spread between different host species and conjugation. Most blaCTX-M genes were found associated with diverse mobile genetic elements that may contribute to the chromosomal integration of the genes. Diverse incompatibility groups of blaCTX-M-harboring plasmids were also observed, which allows their spread among a variety of bacteria. Comprehensive whole genome sequence analysis was useful for the identification of the most prevalent types of ESBL genes and their dissemination mechanisms. The results of this study suggest that the propagation of ESBL genes can occur through clonal spread and plasmid-mediated dissemination, and that suitable action plans should be developed to prevent further propagation of these genes.
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Affiliation(s)
- Hokyung Song
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Seowon-Gu, Cheongju 28644, Republic of Korea
| | - Jung Sik Yoo
- Division of Antimicrobial Resistance Research, National Institute of Health, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju-si 28159, Republic of Korea
| | - Tatsuya Unno
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Seowon-Gu, Cheongju 28644, Republic of Korea.
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Lin Z, Zhou Z, Shuai X, Zeng G, Bao R, Chen H. Landscape of plasmids encoding β-lactamases in disinfection residual Enterobacteriaceae from wastewater treatment plants. WATER RESEARCH 2024; 255:121549. [PMID: 38564891 DOI: 10.1016/j.watres.2024.121549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/12/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024]
Abstract
Conventional disinfection processes, such as chlorination and UV radiation, are ineffective in controling antibiotic-resistant bacteria, especially disinfection residual Enterobacteriaceae (DRE) encoding β-lactamases, some of which have been classified as "critical priority pathogens" by the World Health Organization. However, few studies have focused on the transferability, phenotype, and genetic characteristics of DRE-derived plasmids encoding β-lactamases, especially extended-spectrum β-lactamases and carbapenemases. In this study, we isolated 10 typical DRE harboring plasmid-mediated blaNDM, blaCTX-M, or blaTEM in post-disinfection effluent from two wastewater treatment plants (WWTPs), with transfer frequency ranging from 1.69 × 10-6 to 3.02 × 10-5. According to genomic maps of plasmids, all blaNDM and blaTEM were cascaded with IS26, and blaCTX-M was adjacent to ISEcp1 or IS26, indicating the important role of these elements in the movement of β-lactamase-encoding genes. The presence of intact class 1 integrons on pWTPN-01 and pWTPC-03 suggested the ability of these DRE-derived plasmids to integrate other exogenous antibiotic resistance genes (ARGs). The coexistence of antibiotic, disinfectant, and heavy metal resistance genes on the same plasmid (e.g., pWTPT-03) implied the facilitating role of disinfectants and heavy metals in the transmission of DRE-derived ARGs. Notably, two plasmid transconjugants exhibited no discernible competitive fitness cost, suggesting a heightened environmental persistence. Furthermore, enhanced virulence induced by β-lactamase-encoding plasmids in their hosts was confirmed using Galleria mellonella infection models, which might be attributed to plasmid-mediated virulence genes. Overall, this study describes the landscape of β-lactamase-encoding plasmids in DRE, and highlights the urgent need for advanced control of DRE to keep environmental and ecological security.
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Affiliation(s)
- Zejun Lin
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhenchao Zhou
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xinyi Shuai
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Guangshu Zeng
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ruiqi Bao
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hong Chen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental Resource Sciences, Zhejiang University, Hangzhou 310058, China; International Cooperation Base of Environmental Pollution and Ecological Health, Science and Technology Agency of Zhejiang, Zhejiang University, China.
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20
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Jiang Y, Yang H, Wang ZY, Lin DC, Jiao X, Hu Y, Wang J. Persistent Colonization of Ciprofloxacin-Resistant and Extended-Spectrum β-Lactamase (ESBL)-Producing Salmonella enterica Serovar Kentucky ST198 in a Patient with Inflammatory Bowel Disease. Infect Drug Resist 2024; 17:1459-1466. [PMID: 38628240 PMCID: PMC11020243 DOI: 10.2147/idr.s447971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 04/01/2024] [Indexed: 04/19/2024] Open
Abstract
Objective Salmonella enterica serovar Kentucky ST198 has emerged as a global threat to humans. In this study, we aimed to characterize the prolonged carriage of ciprofloxacin-resistant and extended-spectrum β-lactamase (ESBL)-producing S. Kentucky ST198 in a single patient with inflammatory bowel disease (IBD). Methods Three S. Kentucky strains were collected from a single patient with IBD on 11th January, 23rd January, and 8th February, 2022, respectively. Antimicrobial susceptibility testing, whole-genome sequencing, and phylogenetic analysis with 38 previously described Chinese S. Kentucky ST198 strains from patients and food were performed. Results All three S. Kentucky isolates belonged to ST198. They carried identical 16 resistance genes, such as blaCTX-M-55, tet(A), and qnrS1, and had identical mutations within gyrA (S83F and D87N) and parC (S80I). Therefore, they exhibited identical multidrug-resistant profiles, including the clinically important antibiotics cephalosporins (ceftazidime and cefepime), fluoroquinolones (ciprofloxacin and levofloxacin), and third-generation tetracycline (tigecycline). Our three S. Kentucky strains were classified into the subclade ST198.2-2, and were genetically identical (2-6 SNPs) to each other. They exhibited a close genetic similarity (15-20 SNPs) to the isolate NT-h3189 from a patient and AH19MCS1 from chicken meat in China, indicating a possible epidemiological link between these S. Kentucky ST198 isolates from the patients and chicken meat. Conclusion Long-term colonization of ciprofloxacin-resistant and ESBL-producing S. Kentucky ST198 in a single patient is a matter of concern. Due to the potential transfer of S. Kentucky ST198 from food sources to humans, ongoing surveillance of this particular clone in animals, animal-derived food products, and humans should be strengthened.
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Affiliation(s)
- Yue Jiang
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, 225009, People’s Republic of China
| | - Huilin Yang
- Department of Clinical Laboratory, Peking University Shenzhen Hospital, Shenzhen, 518036, People’s Republic of China
| | - Zhen-Yu Wang
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, 225009, People’s Republic of China
| | - Da-Chuan Lin
- Guangdong Key Laboratory of Regional Immunity and Diseases, Shenzhen University School of Medicine, Shenzhen University, Shenzhen, 518060, People’s Republic of China
| | - Xinan Jiao
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, 225009, People’s Republic of China
| | - Yunlong Hu
- Department of Clinical Laboratory, Peking University Shenzhen Hospital, Shenzhen, 518036, People’s Republic of China
- Guangdong Key Laboratory of Regional Immunity and Diseases, Shenzhen University School of Medicine, Shenzhen University, Shenzhen, 518060, People’s Republic of China
| | - Jing Wang
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, 225009, People’s Republic of China
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21
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Ventura M, Oporto-Llerena R, Espinoza K, Guibert F, Quispe AM, Vilar N, López M, Rojo-Bezares B, Sáenz Y, Ruiz J, J. Pons M. Antimicrobial resistance and associated risk factors in Escherichia coli isolated from Peruvian dogs: A focus on extended-spectrum β-lactamases and colistin. Vet World 2024; 17:880-887. [PMID: 38798292 PMCID: PMC11111722 DOI: 10.14202/vetworld.2024.880-887] [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: 11/22/2023] [Accepted: 03/26/2024] [Indexed: 05/29/2024] Open
Abstract
Background and Aim Established antimicrobial resistance (AMR) surveillance in companion animals is lacking, particularly in low-middle-income countries. The aim of this study was to analyze AMR and its risk factors in Escherichia coli isolated from dogs at two veterinary centers in Lima (Peru). Materials and Methods Ninety dogs were included in the study. Antimicrobial susceptibility was established by disk diffusion, whereas microdilution was used to determine colistin susceptibility. Mechanisms related to extended-spectrum β-lactamases (ESBL) and colistin resistance were determined by polymerase chain reaction. Clonal relationships of colistin-resistant isolates were assessed by XbaI-pulsed-field gel electrophoresis. Results Thirty-five E. coli strains were isolated. High levels of resistance to ampicillin (57.1%), nalidixic acid (54.3%), tetracycline (48.6%), and azithromycin (25.7%) were detected. Cephalosporin resistance levels were ≥20% and those for colistin were 14.3%. Twelve (34.2%) isolates were ESBL producers; of these, six blaCTX-M-55 (50.0%), 2 (16.6%) blaCTX-M-15, and 2 (16.6%) blaCTX-M-8-like genes were found. The five colistin-resistant isolates were clonally unrelated, with four of them presenting amino acid codon substitutions in the mgrB gene (V8A) or mutations in the mgrB promoter (a12g, g98t, and c89t). Furthermore, dog age, <6 years (p = 0.027) and raw diet (p = 0.054) were associated with resistance to a greater number of antibiotic families. Conclusion Despite small number of samples included, the study found that dogs studied were carriers of multidrug-resistant E. coli, including last-resort antimicrobials, representing a public health problem due to close contact between dogs and humans. This issue suggests the need for larger studies addressed to design strategies to prevent the spread of resistant micro-organisms in small animal clinics and domestic settings.
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Affiliation(s)
- Margot Ventura
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | | | - Kathya Espinoza
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | - Fernando Guibert
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | | | - Nidia Vilar
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - María López
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Beatriz Rojo-Bezares
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Yolanda Sáenz
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Joaquim Ruiz
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | - Maria J. Pons
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
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22
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Wight J, Byrne AS, Tahlan K, Lang AS. Anthropogenic contamination sources drive differences in antimicrobial-resistant Escherichia coli in three urban lakes. Appl Environ Microbiol 2024; 90:e0180923. [PMID: 38349150 PMCID: PMC10952509 DOI: 10.1128/aem.01809-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/12/2024] [Indexed: 03/21/2024] Open
Abstract
Antimicrobial resistance (AMR) is an ever-present threat to the treatment of infectious diseases. However, the potential relevance of this phenomenon in environmental reservoirs still raises many questions. Detection of antimicrobial-resistant bacteria in the environment is a critical aspect for understanding the prevalence of resistance outside of clinical settings, as detection in the environment indicates that resistance is likely already widespread. We isolated antimicrobial-resistant Escherichia coli from three urban waterbodies over a 15-month time series, determined their antimicrobial susceptibilities, investigated their population structure, and identified genetic determinants of resistance. We found that E. coli populations at each site were composed of different dominant phylotypes and showed distinct patterns of antimicrobial and multidrug resistance, despite close geographic proximity. Many strains that were genome-sequenced belonged to sequence types of international concern, particularly the ST131 clonal complex. We found widespread resistance to clinically important antimicrobials such as amoxicillin, cefotaxime, and ciprofloxacin, but found that all strains were susceptible to amikacin and the last-line antimicrobials meropenem and fosfomycin. Resistance was most often due to acquirable antimicrobial resistance genes, while chromosomal mutations in gyrA, parC, and parE conferred resistance to quinolones. Whole-genome analysis of a subset of strains further revealed the diversity of the population of E. coli present, with a wide array of AMR and virulence genes identified, many of which were present on the chromosome, including blaCTX-M. Finally, we determined that environmental persistence, transmission between sites, most likely mediated by wild birds, and transfer of mobile genetic elements likely contributed significantly to the patterns observed.IMPORTANCEA One Health perspective is crucial to understand the extent of antimicrobial resistance (AMR) globally, and investigation of AMR in the environment has been increasing in recent years. However, most studies have focused on waterways that are directly polluted by sewage, industrial manufacturing, or agricultural activities. Therefore, there remains a lack of knowledge about more natural, less overtly impacted environments. Through phenotypic and genotypic investigation of AMR in Escherichia coli, this study adds to our understanding of the extent and patterns of resistance in these types of environments, including over a time series, and showed that complex biotic and abiotic factors contribute to the patterns observed. Our study further emphasizes the importance of incorporating the surveillance of microbes in freshwater environments in order to better comprehend potential risks for both human and animal health and how the environment may serve as a sentinel for potential future clinical infections.
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Affiliation(s)
- Jordan Wight
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Alexander S. Byrne
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Kapil Tahlan
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Andrew S. Lang
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
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Li Y, Kumar S, Zhang L. Mechanisms of Antibiotic Resistance and Developments in Therapeutic Strategies to Combat Klebsiella pneumoniae Infection. Infect Drug Resist 2024; 17:1107-1119. [PMID: 38525477 PMCID: PMC10960543 DOI: 10.2147/idr.s453025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 03/12/2024] [Indexed: 03/26/2024] Open
Abstract
Infections with drug-resistant bacteria have become one of the greatest public health challenges, and K. pneumoniae is among the top six drug-resistant bacteria. K. pneumoniae often causes nosocomial infections, leading to illnesses such as pneumonia, liver abscesses, soft tissue infections, urinary tract infections, bacteremia, and in some cases death. As the pathogen continues to evolve and its multidrug resistance increases, K. pneumoniae poses a direct threat to humans. Drug resistance in K. pneumoniae may occur due to the formation of biofilms, efflux pumps, and the production of β-lactamases. In many cases, resistance is further enhanced by enzymatic modification and loss of porins. Drug resistance to K. pneumoniae has led to a decline in the effectiveness of conventional therapies against this pathogen. Therefore, there is an urgent need to accelerate the development of new antibiotics and explore new therapeutic approaches such as antimicrobial peptides, phages, traditional Chinese medicine, immunotherapy, Antimicrobial nanoparticle technology, antisense oligonucleotides and gene editing technologies. In this review, we discuss the mechanisms of drug resistance in K. pneumoniae and compare several new potential therapeutic strategies to overcome drug resistance in the treatment of K. pneumoniae infections.
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Affiliation(s)
- Yanping Li
- Pharmacy Department, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu, People’s Republic of China
- Post Graduate Centre, Management and Science University, Shah Alam, Malaysia
| | - Suresh Kumar
- Department of Diagnostic and Allied Health Science, Faculty of Health and Life Sciences, Management and Science University, Shah Alam, Malaysia
| | - Lihu Zhang
- Pharmacy Department, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu, People’s Republic of China
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24
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Yu K, Huang Z, Xiao Y, Gao H, Bai X, Wang D. Global spread characteristics of CTX-M-type extended-spectrum β-lactamases: A genomic epidemiology analysis. Drug Resist Updat 2024; 73:101036. [PMID: 38183874 DOI: 10.1016/j.drup.2023.101036] [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: 07/13/2023] [Revised: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 01/08/2024]
Abstract
BACKGROUND Extended-spectrum β-lactamases (ESBLs) producing bacteria have spread worldwide and become a global public health concern. Plasmid-mediated transfer of ESBLs is an important route for resistance acquisition. METHODS We collected 1345 complete sequences of plasmids containing CTX-Ms from public database. The global transmission pattern of plasmids and evolutionary dynamics of CTX-Ms have been inferred. We applied the pan-genome clustering based on plasmid genomes and evolution analysis to demonstrate the transmission events. FINDINGS Totally, 48 CTX-Ms genotypes and 186 incompatible types of plasmids were identified. The geographical distribution of CTX-Ms showed significant differences across countries and continents. CTX-M-14 and CTX-M-55 were found to be the dominant genotypes in Asia, while CTX-M-1 played a leading role in Europe. The plasmids can be divided into 12 lineages, some of which forming distinct geographical clusters in Asia and Europe, while others forming hybrid populations. The Inc types of plasmids are lineage-specific, with the CTX-M-1_IncI1-I (Alpha) and CTX-M-65_IncFII (pHN7A8)/R being the dominant patterns of cross-host and cross-regional transmission. The IncI-I (Alpha) plasmids with the highest number, were presumed to form communication groups in Europe-Asia and Asia-America-Oceania, showing the transmission model as global dissemination and regional microevolution. Meanwhile, the main kinetic elements of blaCTX-Ms showed genotypic preferences. ISEcpl and IS26 were most frequently involved in the transfer of CTX-M-14 and CTX-M-65, respectively. IS15 has become a crucial participant in mediating the dissemination of blaCTX-Ms. Interestingly, blaTEM and blaCTX-Ms often coexisted in the same transposable unit. Furthermore, antibiotic resistance genes associated with aminoglycosides, sulfonamides and cephalosporins showed a relatively high frequency of synergistic effects with CTX-Ms. CONCLUSIONS We recognized the dominant blaCTX-Ms and mainstream plasmids of different continents. The results of this study provide support for a more effective response to the risks associated with the evolution of blaCTX-Ms-bearing plasmids, and lay the foundation for genotype-specific epidemiological surveillance of resistance, which are of important public health implications.
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Affiliation(s)
- Keyi Yu
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, China; Center for Human Pathogenic Culture Collection, China CDC, Beijing 102206, China
| | - Zhenzhou Huang
- Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang 310021, China
| | - Yue Xiao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, China; Center for Human Pathogenic Culture Collection, China CDC, Beijing 102206, China
| | - He Gao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, China; Center for Human Pathogenic Culture Collection, China CDC, Beijing 102206, China
| | - Xuemei Bai
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, China; Center for Human Pathogenic Culture Collection, China CDC, Beijing 102206, China
| | - Duochun Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing 102206, China; Center for Human Pathogenic Culture Collection, China CDC, Beijing 102206, China.
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25
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Silva-Sánchez J, Duran-Bedolla J, Lozano L, Reyna-Flores F, Barrios-Camacho H. Molecular characterization of Escherichia coli producing extended-spectrum β-lactamase CTX-M-14 and CTX-M-28 in Mexico. Braz J Microbiol 2024; 55:309-314. [PMID: 37978118 PMCID: PMC10920525 DOI: 10.1007/s42770-023-01183-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023] Open
Abstract
The spread of ESBL-producing Escherichia coli has constantly increased in both clinical and community infections. Actually, the main ESBL reported is the CTX-M family, which is widely disseminated between the Enterobacteriaceae family. The epidemiology of the CTX-M family shows the CTX-M-15 variant dominating worldwide, followed by CTX-M-14 and CTX-M-27. The specific ESBL-producing E. coli clones included mainly the sequence types ST131, ST405, and ST648. In this report, we present the molecular characterization of ESBL-producing E. coli clinical isolates from eight hospitals in Mexico. From a collection of 66 isolates, 39 (59%) were identified as blaCTX-M-14 and blaCTX-M-27 belonging to the group CTX-M-9. We identified 25 (38%) isolates, producing blaCTX-M-28 belonging to the group CTX-M-1. blaCTX-M-2 and blaTEM-55 were identified in one isolate, respectively. Fourteen isolates (21%) were positive for blaCTX-M-14 (13%) and blaCTX-M-28 (7.3%) that were selected for further analyses; the antimicrobial susceptibility showed resistance to ampicillin (> 256 µg/mL), cefotaxime (> 256 µg/mL), cefepime (> 64 µg/mL), and ceftazidime (16 µg/mL). The ResFinder analysis showed the presence of the antimicrobial resistance genes aacA4, aadA5, aac(3)lla, sul1, dfrA17, tet(A), cmlA1, and blaTEM-1B. PlasmidFinder analysis identified in all the isolates the replicons IncFIB, which were confirmed by PCR replicon typing. The MLST analysis identified isolates belonging to ST131, ST167, ST405, and ST648. The ISEcp1B genetic element was found at 250 pb upstream of blaCTX-M-14 and flanked by the IS903 genetic element at 35 pb downstream. The IS1380-like element ISEc9 family transposase was identified at 250 pb upstream of blaCTX-M-14 and flanked downstream by the IS5/IS1182 at 80 pb. Our study highlights the significant prevalence of CTX-M-14 and CTX-M-28 enzymes as the second-most common ESBL-producing E. coli among isolates in Mexican hospitals. The identification of specific sequence types in different regions provides valuable insights into the correlation between ESBL and E. coli strains. This contribution to understanding their epidemiology and potential transmission routes is crucial for developing effective strategies to mitigate the spread of ESBL-producing E. coli in healthcare settings.
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Affiliation(s)
- Jesús Silva-Sánchez
- Departamento de Diagnóstico Epidemiológico, Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Instituto Nacional de Salud Pública (INSP), Cuernavaca, Morelos, Mexico
| | - Josefina Duran-Bedolla
- Departamento de Diagnóstico Epidemiológico, Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Instituto Nacional de Salud Pública (INSP), Cuernavaca, Morelos, Mexico
| | - Luis Lozano
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico
| | - Fernando Reyna-Flores
- Departamento de Diagnóstico Epidemiológico, Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Instituto Nacional de Salud Pública (INSP), Cuernavaca, Morelos, Mexico
| | - Humberto Barrios-Camacho
- Departamento de Diagnóstico Epidemiológico, Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Instituto Nacional de Salud Pública (INSP), Cuernavaca, Morelos, Mexico.
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Xu X, Peng M, Wang Y, Zhu F, Shen W, Bao D. Genomic and epidemiological characterization of a bla CTX-M-27-carrying ST34 Salmonella enterica serotype Typhimurium in China. J Glob Antimicrob Resist 2024; 36:345-349. [PMID: 38122981 DOI: 10.1016/j.jgar.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 11/27/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
OBJECTIVES Consuming contaminated food and water is a leading cause of food poisoning, with Salmonella being one of the primary culprits. The aim of this study is to elucidate the genomic characteristics of a blaCTX-M-27-carrying S. enterica strain recovered from a patient with diarrhoea in China. METHODS Antimicrobial susceptibility of S. enterica strain 123 was determined by microdilution broth assay. Whole-genome sequencing was performed using both long-read MinION and short-read Illumina platforms to fully characterize the genetic structure of the blaCTX-M-27-carrying plasmid of the S. enterica 123. In silico multilocus sequence typing (MLST), antimicrobial resistance genes and genomic epidemiological analysis of 69 Salmonella strains carrying the blaCTX-M-27 gene stored in NCBI GenBank were further analysed by BacWGSTdb 2.0 server. RESULTS The isolate was resistant to ampicillin, ampicillin/sulbactam, ceftazidime, ceftriaxone, cefepime, aztreonam, azithromycin, but still susceptible to ciprofloxacin, levofloxacin, imipenem, amikacin, trimethoprim-sulfamethoxazole and gentamicin. The complete genome sequence of Salmonella 123 is made up of one chromosome and three plasmids, which could be assigned as sequence type (ST)34. The blaCTX-M-27 gene was found in the 65 644 bp IncFII-type plasmid with IS26 and IS5 exist upstream of blaCTX-M-27 gene, and IS26 and IS1B are located downstream as a truncated fragment. The closest relative of Salmonella 123 was Salmonella strain La89, another ST34 strain recovered in 2011, which differed by only 52 SNPs. CONCLUSION This study reports the complete genome of a blaCTX-M-27-carrying S. enterica that can be used for gaining insights into the antimicrobial resistance mechanisms and dissemination patterns of the emerging pandemic lineage ST34.
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Affiliation(s)
- Xiaohong Xu
- Department of Clinical Laboratory, Sanmen People's Hospital, Sanmen Bay Branch of The First Affiliated Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Minfei Peng
- Department of Clinical Laboratory, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, China
| | - Yizhang Wang
- Department of Clinical Laboratory, Sanmen People's Hospital, Sanmen Bay Branch of The First Affiliated Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Fengjiao Zhu
- Department of Clinical Laboratory, Sanmen People's Hospital, Sanmen Bay Branch of The First Affiliated Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Weiwei Shen
- Taizhou Center for Disease Control and Prevention, Taizhou, Zhejiang, China.
| | - Danni Bao
- Department of Clinical Laboratory, Sanmen People's Hospital, Sanmen Bay Branch of The First Affiliated Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China.
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Rahman MK, Rodriguez-Mori H, Loneragan GH, Awosile B. Beta-lactamase genes in bacteria from food animals, retail meat, and human surveillance programs in the United States from 2002 to 2021. Comp Immunol Microbiol Infect Dis 2024; 106:102139. [PMID: 38325128 DOI: 10.1016/j.cimid.2024.102139] [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: 12/04/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
The spread of beta-lactamase-producing bacteria is a global public-health concern. This study aimed to explore the distribution of beta-lactamases reported in three sampling sources (cecal, retail meat, and human) collected as part of integrated surveillance in the United States. We retrieved and analyzed data from the United States National Antimicrobial Resistance Monitoring Systems (NARMS) from 2002 to 2021. A total of 115 beta-lactamase genes were detected in E. coli, Salmonella enterica, Campylobacter, Shigella and Vibrio: including 35 genes from cecal isolates, 32 genes from the retail meat isolates, and 104 genes from the human isolates. Three genes in E. coli (blaCMY-2,blaTEM-1A, and blaTEM-1B), 6 genes in Salmonella enterica (blaCARB-2, blaCMY-2, blaCTXM-65, blaTEM-1A, blaTEM-1B, and blaHERA-3), and 2 genes in Campylobacter spp. (blaOXA-61 and blaOXA-449) have been detected across food animals (cattle, chicken, swine, and turkey) and humans over the study period. blaCTXM-55 has been detected in E. coli isolates from the four food animal sources while blaCTXM-15 and blaCTXM-27 were found only in cattle and swine. In Salmonella enterica, blaCTXM-2, blaCTXM-9, blaCTXM-14, blaCTXM-15, blaCTXM-27, blaCTXM-55, and blaNDM-1 were only detected among human isolates. blaOXAs and blaCARB were bacteria-specific and the only beta-lactamase genes detected in Campylobacter spp. and Vibrio spp respectively. The proportions of beta-lactamase genes detected varies from bacteria to bacteria. This study provided insights on the beta-lactamase genes detected in bacteria in food animals and humans in the United States. This is necessary for better understanding the molecular epidemiology of clinically important beta-lactamases in one health interface.
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Affiliation(s)
- Md Kaisar Rahman
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA
| | | | - Guy H Loneragan
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA
| | - Babafela Awosile
- Texas Tech University School of Veterinary Medicine, Amarillo, TX 79106, USA.
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Lin FC, Ng WV, Wang HP, Hung CH, Chang JT, Yang CC, Liu PY, Cheng MF. Characterization of young infants with fecal carriage of multidrug-resistant Escherichia coli in Southern Taiwan. Pediatr Neonatol 2024; 65:138-144. [PMID: 37718133 DOI: 10.1016/j.pedneo.2023.04.014] [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: 12/01/2022] [Revised: 03/12/2023] [Accepted: 04/20/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND The accelerating prevalence of extended-spectrum β-lactamase (ESBL)-producing and multidrug-resistance (MDR) Escherichia coli(E. coli) become a public health challenge worldwide. This study aimed to discuss the prevalence of drug-resistant E. coli colonization and analyze its risk factors and clinical characteristics among young infants in Southern Taiwan. METHODS Stool samples were collected from young infants, aged less than three months, within three days of their hospitalization from September to December 2019 in a tertiary hospital. A questionnaire was designed for parents to complete. E. coli colonies were selected and analyzed for antimicrobial susceptibility. PCR-based multilocus sequence typing was to detect the presence of sequence type ST131 and blaCTX-M genes. RESULTS Among 100 enrolled infants, 36% had fecal carriage of E. coli isolates, of which twenty nine (80.5%) were MDR, thirteen (36.1%) were ESBL-producing isolates and five (13.8%) and ten (27.7%) were ST131 and strains carrying CTX-M-14 gene, respectively. Compared to non-ST131 and non-CTX-M-14 gene carrier, isolates of ST131 and CTX-M-14 gene carrier showed a significantly higher resistance rate to cefixime, ceftriaxone, and gentamycin, with p value all <0.05. CONCLUSION The prevalence of ESBL-producing and MDR E. coli fecal carriage were both high in young infants. The most common sequence type is ST131, of which all are strains carrying CTX-M-14. Further surveillance and investigation to control for the high prevalence of antimicrobial-resistant E. coli fecal carriage among infants in Taiwan are warranted.
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Affiliation(s)
- Fang-Chih Lin
- Division of Pediatric Neonatology, Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wailap Victor Ng
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsiao-Ping Wang
- Division of Pediatric Neonatology, Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chih-Hsin Hung
- Institute of Biotechnology and Chemical Engineering, I-Shou University, Kaohsiung, Taiwan
| | - Jenn-Tzong Chang
- Division of Pediatric Neonatology, Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chih-Chieh Yang
- Division of Pediatric Neonatology, Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Po-Yen Liu
- Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Ming-Fang Cheng
- Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Nursing, Fooyin University, Kaohsiung, Taiwan.
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Yuan Y, Hu Y, Zhang X, Zhong W, Pan S, Wang L, Zhou Z, Liu H, Zhang S, Peng G, Wang Y, Yan Q, Luo Y, Shi K, Zhong Z. Characteristics of MDR E. coli strains isolated from Pet Dogs with clinic diarrhea: A pool of antibiotic resistance genes and virulence-associated genes. PLoS One 2024; 19:e0298053. [PMID: 38416699 PMCID: PMC10901357 DOI: 10.1371/journal.pone.0298053] [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: 09/23/2023] [Accepted: 01/17/2024] [Indexed: 03/01/2024] Open
Abstract
The increasing number of multi-drug resistant (MDR) bacteria in companion animals poses a threat to both pet treatment and public health. To investigate the characteristics of MDR Escherichia coli (E. coli) from dogs, we detected the antimicrobial resistance (AMR) of 135 E. coli isolates from diarrheal pet dogs by disc diffusion method (K-B method), and screened antibiotic resistance genes (ARGs), virulence-associated genes (VAGs), and population structure (phylogenetic groups and MLST) by polymerase chain reaction (PCR) for 74 MDR strains, then further analyzed the association between AMRs and ARGs or VAGs. Our results showed that 135 isolates exhibited high resistance to AMP (71.11%, 96/135), TET (62.22%, 84/135), and SXT (59.26%, 80/135). Additionally, 54.81% (74/135) of the isolates were identified as MDR E. coli. In 74 MDR strains, a total of 12 ARGs in 6 categories and 14 VAGs in 4 categories were observed, of which tetA (95.95%, 71/74) and fimC (100%, 74/74) were the most prevalent. Further analysis of associations between ARGs and AMRs or VAGs in MDR strains revealed 23 significant positive associated pairs were observed between ARGs and AMRs, while only 5 associated pairs were observed between ARGs and VAGs (3 positive associated pairs and 2 negative associated pairs). Results of population structure analysis showed that B2 and D groups were the prevalent phylogroups (90.54%, 67/74), and 74 MDR strains belonged to 42 STs (6 clonal complexes and 23 singletons), of which ST10 was the dominant lineage. Our findings indicated that MDR E. coli from pet dogs carry a high diversity of ARGs and VAGs, and were mostly belong to B2/D groups and ST10. Measures should be taken to prevent the transmission of MDR E. coli between companion animals and humans, as the fecal shedding of MDR E. coli from pet dogs may pose a threat to humans.
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Affiliation(s)
- Yu Yuan
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Yan Hu
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | | | - Wenhao Zhong
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Shulei Pan
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Liqin Wang
- The Chengdu Zoo, Institute of Wild Animals, Chengdu, China
| | - Ziyao Zhou
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Haifeng Liu
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Shaqiu Zhang
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Guangneng Peng
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Ya Wang
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Qigui Yan
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Yan Luo
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
| | - Keyun Shi
- Jiangsu Yixing People’s Hospital, Yixing, China
| | - Zhijun Zhong
- College of Veterinary Medicine, Sichuan Agricultural University, Key Laboratory of Animal Disease and Human Health of Sichuan, Chengdu, China
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Elsayed AGA, Badr DF, El Kheir NYA, Zaki MES, Mossad AEM, Mahmoud EMF. Prevalence of extended-spectrum beta-lactamase and molecular detection of blaTEM, blaSHV, and blaCTX-M genotypes among gram-negative Bacilli isolates from hospital acquired infections in pediatrics, one institutional study. Ital J Pediatr 2024; 50:31. [PMID: 38402215 PMCID: PMC10893665 DOI: 10.1186/s13052-024-01599-9] [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: 09/20/2023] [Accepted: 01/27/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Gram-negative bacilli represents an important pathogen in hospital-acquired infections (HAIs) worldwide. The emergence of antibiotic resistance in these pathogens warrants attention for the proper management of infections. Extended-spectrum beta-lactamase (ESBL) resistance represents a major therapeutic problem in infections due to Gram-negative bacilli. The present study aimed to study the extended-spectrum beta-lactamase genes blaTEM, blaSHV, and blaCTX-M by multiplex polymerase reaction in isolated Gram-negative bacilli from HAIs in pediatric patients. METHODS The study included one hundred-five isolates of Gram-negative bacilli from pediatric patients with different types of HAIs. The isolates were subjected to full microbiological identification, antibiotics susceptibility by disc diffusion method, the phenotypic study of ESBL, and the genetic study of ESBL genes by multiplex PCR. RESULTS Fifty isolates of Gram-Negative bacilli showed ESBL activity by a phenotypic study by double disc diffusion method (50/105). All ESBL producers' isolates were positive by PCR for ESBL genes. The most frequent gene was blaTEM (64%), followed by blaSHV (30%) and CTX-M (22%). Mixed genes were found in 4 isolates (8%) for blaTEM and blaSHV, blaTEM and CTX-M. There was a significant association between PCR for ESBL genes and phenotypic ESBL detection (P = 0.001). There was significant detection of ESBL genes in E. coli (28%), followed by Enterobacter spp. (26%), Klebsiella spp. (24%), Serratia (14%), Pseudomonas spp. (6%) and Proteus (2%), P = 0.01. There Seventy percent of isolates positive for ESBL production had an insignificant association between MDR and PCR for ESBL genes (P = 0.23). CONCLUSION The present study highlights the prevalence of ESBL activity among clinical isolates of Gram-negative bacilli isolated from hospital-acquired infections in pediatric patients. The most common gene responsible for this activity was blaTEM gee followed by blaSHV and blaCTX-M. There was a high prevalence of multiple antibiotic resistance among isolates with ESBL activity. The finding of the present study denotes the importance of screening extended beta-lactamase among Gram-negative bacilli associated with HAIs in pediatric patients.
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Affiliation(s)
| | - Dina F Badr
- Medical Microbiology and Immunology, Mansoura Faculty of Medicine, Mansoura, Egypt
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Pitout JDD, Peirano G, Matsumura Y, DeVinney R, Chen L. Escherichia coli sequence type 410 with carbapenemases: a paradigm shift within E. coli toward multidrug resistance. Antimicrob Agents Chemother 2024; 68:e0133923. [PMID: 38193668 PMCID: PMC10869336 DOI: 10.1128/aac.01339-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024] Open
Abstract
Escherichia coli sequence type ST410 is an emerging carbapenemase-producing multidrug-resistant (MDR) high-risk One-Health clone with the potential to significantly increase carbapenem resistance among E. coli. ST410 belongs to two clades (ST410-A and ST410-B) and three subclades (ST410-B1, ST410-B2, and ST410-B3). After a fimH switch between clades ST410-A and ST410-B1, ST410-B2 and ST410-B3 subclades showed a stepwise progression toward developing MDR. (i) ST410-B2 initially acquired fluoroquinolone resistance (via homologous recombination) in the 1980s. (ii) ST410-B2 then obtained CMY-2, CTX-M-15, and OXA-181 genes on different plasmid platforms during the 1990s. (iii) This was followed by the chromosomal integration of blaCMY-2, fstl YRIN insertion, and ompC/ompF mutations during the 2000s to create the ST410-B3 subclade. (iv) An IncF plasmid "replacement" scenario happened when ST410-B2 transformed into ST410-B3: F36:31:A4:B1 plasmids were replaced by F1:A1:B49 plasmids (both containing blaCTX-M-15) followed by blaNDM-5 incorporation during the 2010s. User-friendly cost-effective methods for the rapid identification of ST410 isolates and clades are needed because limited data are available about the frequencies and global distribution of ST410 clades. Basic mechanistic, evolutionary, surveillance, and clinical studies are urgently required to investigate the success of ST410 (including the ability to acquire successive MDR determinants). Such information will aid with management and prevention strategies to curb the spread of carbapenem-resistant E. coli. The medical community can ill afford to ignore the spread of a global E. coli clone with the potential to end the carbapenem era.
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Affiliation(s)
- Johann D. D. Pitout
- Cummings School of Medicine, Calcary, Alberta, Canada
- University of Calgary, Alberta Precision Laboratories, Calgary, Alberta, Canada
- University of Pretoria, Pretoria, Gauteng, South Africa
| | - Gisele Peirano
- Cummings School of Medicine, Calcary, Alberta, Canada
- University of Calgary, Alberta Precision Laboratories, Calgary, Alberta, Canada
| | - Yasufumi Matsumura
- Kyoto University Graduate School of Medicine, Pretoria, Gauteng, South Africa
| | | | - Liang Chen
- Meridian Health Center for Discovery and Innovation, Kyoto, Japan
- Hackensack Meridian School of Medicine at Seton Hall University, Nutley, New Jersey, USA
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Cuicapuza D, Loyola S, Velásquez J, Fernández N, Llanos C, Ruiz J, Tsukayama P, Tamariz J. Molecular characterization of carbapenemase-producing Enterobacterales in a tertiary hospital in Lima, Peru. Microbiol Spectr 2024; 12:e0250323. [PMID: 38193666 PMCID: PMC10846045 DOI: 10.1128/spectrum.02503-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 11/26/2023] [Indexed: 01/10/2024] Open
Abstract
Carbapenemase-producing Enterobacterales (CPE) are a growing threat to global health and the economy. Understanding the interactions between resistance and virulence mechanisms of CPE is crucial for managing difficult-to-treat infections and informing outbreak prevention and control programs. Here, we report the characterization of 21 consecutive, unique clinical isolates of CPE collected in 2018 at a tertiary hospital in Lima, Peru. Isolates were characterized by phenotypic antimicrobial susceptibility testing and whole-genome sequencing to identify resistance determinants and virulence factors. Seven Klebsiella pneumoniae isolates were classified as extensively drug-resistant. The remaining Klebsiella, Enterobacter hormaechei, and Escherichia coli isolates were multidrug-resistant. Eighteen strains carried the metallo-β-lactamase NDM-1, two the serine-carbapenemase KPC-2, and one isolate had both carbapenemases. The blaNDM-1 gene was located in the truncated ΔISAba125 element, and the blaKPC-2 gene was in the Tn4401a transposon. ST147 was the most frequent sequence type among K. pneumoniae isolates. Our findings highlight the urgent need to address the emergence of CPE and strengthen control measures and antibiotic stewardship programs in low- and middle-income settings.IMPORTANCEGenomic surveillance of antimicrobial resistance contributes to monitoring the spread of resistance and informs treatment and prevention strategies. We characterized 21 carbapenemase-producing Enterobacterales collected at a Peruvian tertiary hospital in 2018, which exhibited very high levels of resistance and carried numerous resistance genes. We detected the coexistence of carbapenemase-encoding genes (blaNDM-1 and blaKPC-2) in a Klebsiella pneumoniae isolate that also had the PmrB(R256G) mutation associated with colistin resistance. The blaKPC-2 genes were located in Tn4401a transposons, while the blaNDM-1 genes were in the genetic structure Tn125 (ΔISAba125). The presence of high-risk clones among Klebsiella pneumoniae (ST11 and ST147) and Escherichia coli (ST410) isolates is also reported. The study reveals the emergence of highly resistant bacteria in a Peruvian hospital, which could compromise the effectiveness of current treatments and control.
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Affiliation(s)
- Diego Cuicapuza
- Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Laboratorio de Resistencia Antibiótica e Inmunopatología, Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Laboratorio de Genómica Microbiana, Facultad de Ciencias e Ingeniería, Universidad Peruana Cayetano Heredia, Lima, Peru
- Emerge (Emerging Diseases and Climate Change Research Unit), Facultad de Salud Pública y Administración, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Steev Loyola
- Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Laboratorio de Resistencia Antibiótica e Inmunopatología, Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Grupo de Investigación UNIMOL, Facultad de Medicina, Universidad de Cartagena, Cartagena de Indias, Colombia
| | - Jorge Velásquez
- Departamento de Patología Clínica y Banco de Sangre, Hospital Nacional Arzobispo Loayza, Lima, Peru
| | - Nathaly Fernández
- Departamento de Patología Clínica y Banco de Sangre, Hospital Nacional Arzobispo Loayza, Lima, Peru
| | - Carlos Llanos
- Laboratorio de Resistencia Antibiótica e Inmunopatología, Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Joaquim Ruiz
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos-“One Health”, Universidad Científica de Sur, Lima, Peru
| | - Pablo Tsukayama
- Laboratorio de Genómica Microbiana, Facultad de Ciencias e Ingeniería, Universidad Peruana Cayetano Heredia, Lima, Peru
- Emerge (Emerging Diseases and Climate Change Research Unit), Facultad de Salud Pública y Administración, Universidad Peruana Cayetano Heredia, Lima, Peru
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
- Parasites and Microbes Programme, Wellcome Sanger Institute, Hinxton, United Kingdom
| | - Jesús Tamariz
- Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Laboratorio de Resistencia Antibiótica e Inmunopatología, Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
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Garcia CR, Norfolk WA, Howard AK, Glatter AL, Beaudry MS, Mallis NA, Welton M, Glenn TC, Lipp EK, Ottesen EA. Long-term gut colonization with ESBL-producing Escherichia coli in participants without known risk factors from the southeastern United States. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.02.03.24302254. [PMID: 38370669 PMCID: PMC10871458 DOI: 10.1101/2024.02.03.24302254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
We evaluated gut carriage of extended spectrum beta lactamase producing Enterobacteriaceae (ESBL-E) in southeastern U.S. residents without recent in-patient healthcare exposure. Study enrollment was January 2021-February 2022 in Athens, Georgia, U.S. and included a diverse population of 505 adults plus 50 child participants (age 0-5). Based on culture-based screening of stool samples, 4.5% of 555 participants carried ESBL-Es. This is slightly higher than reported in studies conducted 2012-2015, which found carriage rates of 2.5-3.9% in healthy U.S. residents. All ESBL-E confirmed isolates (n=25) were identified as Escherichia coli. Isolates belonged to 11 sequence types, with 48% classified as ST131. Ninety six percent of ESBL-E isolates carried a blaCTX-M gene. Isolated ESBL-Es frequently carried virulence genes as well as multiple classes of antibiotic resistance genes. Long-term colonization was common, with 64% of ESBL-E positive participants testing positive when rescreened three months later. One participant yielded isolates belonging to two different E. coli sequence types that carried blaCTX-M-1 genes on near-identical plasmids, suggesting intra-gut plasmid transfer. Isolation of E. coli on media without antibiotics revealed that ESBL-E. coli typically made up a minor fraction of the overall gut E. coli population, although in some cases they were the dominant strain. ESBL-E carriage was not associated with a significantly different stool microbiome composition. However, some microbial taxa were differentially abundant in ESBL-E carriers. Together, these results suggest that a small subpopulation of US residents are long-term, asymptomatic carriers of ESBL-Es, and may serve as an important reservoir for community spread of these ESBL genes.
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Affiliation(s)
| | - William A. Norfolk
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
- Center for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Amanda K. Howard
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
- Institute of Bioinformatics, University of Georgia, Athens, GA, USA
| | - Amanda L. Glatter
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA
| | - Megan S. Beaudry
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
- Daicel Arbor Biosciences, Ann Arbor, MI, USA
| | - Nicholas A. Mallis
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA, USA
| | - Michael Welton
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA, USA
| | - Travis C. Glenn
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
| | - Erin K. Lipp
- Department of Environmental Health Sciences, University of Georgia, Athens, GA, USA
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The European Union summary report on antimicrobial resistance in zoonotic and indicator bacteria from humans, animals and food in 2021-2022. EFSA J 2024; 22:e8583. [PMID: 38419967 PMCID: PMC10900121 DOI: 10.2903/j.efsa.2024.8583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024] Open
Abstract
This report by the European Food Safety Authority and the European Centre for Disease prevention and Control, provides an overview of the main findings of the 2021-2022 harmonised Antimicrobial Resistance (AMR) monitoring in Salmonella spp., Campylobacter jejuni and C. coli from humans and food-producing animals (broilers, laying hens and fattening turkeys, fattening pigs and cattle under one year of age) and relevant meat thereof. For animals and meat thereof, AMR data on indicator commensal Escherichia coli, presumptive extended-spectrum beta-lactamases (ESBL)-/AmpC beta-lactamases (AmpC)-/carbapenemase (CP)-producing E. coli, and the occurrence of methicillin-resistant Staphylococcus aureus (MRSA) are also analysed. Generally, resistance levels differed greatly between reporting countries and antimicrobials. Resistance to commonly used antimicrobials was frequently found in Salmonella and Campylobacter isolates from humans and animals. In humans, increasing trends in resistance to one of two critically antimicrobials (CIA) for treatment was observed in poultry-associated Salmonella serovars and Campylobacter, in at least half of the reporting countries. Combined resistance to CIA was however observed at low levels except in some Salmonella serovars and in C. coli from humans and animals in some countries. While CP-producing Salmonella isolates were not detected in animals in 2021-2022, nor in 2021 for human cases, in 2022 five human cases of CP-producing Salmonella were reported (four harbouring bla OXA-48 or bla OXA-48-like genes). The reporting of a number of CP-producing E. coli isolates (harbouring bla OXA-48, bla OXA-181, bla NDM-5 and bla VIM-1 genes) in fattening pigs, cattle under 1 year of age, poultry and meat thereof by a limited number of MSs (5) in 2021 and 2022, requires a thorough follow-up. The temporal trend analyses in both key outcome indicators (rate of complete susceptibility and prevalence of ESBL-/AmpC-producers in E. coli) showed an encouraging progress in reducing AMR in food-producing animals in several EU MSs over the last 7 years.
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Wang L, Guan Y, Lin X, Wei J, Zhang Q, Zhang L, Tan J, Jiang J, Ling C, Cai L, Li X, Liang X, Wei W, Li RM. Whole-Genome Sequencing of an Escherichia coli ST69 Strain Harboring blaCTX-M-27 on a Hybrid Plasmid. Infect Drug Resist 2024; 17:365-375. [PMID: 38318209 PMCID: PMC10840416 DOI: 10.2147/idr.s427571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/29/2023] [Indexed: 02/07/2024] Open
Abstract
Objective Escherichia coli is a common Gram-negative human pathogen. The emergence of E. coli with multiple-antibiotic-resistant phenotypes has become a serious health concern. This study reports the whole-genome sequences of third-generation cephalosporin-resistant (3GC-R) and multidrug-resistant (MDR) E. coli EC6868 and explores the acquired antibiotic-resistance genes (ARGs) as well as their genetic contexts. Methods E. coli EC6868 was isolated from a vaginal secretion sample of a pregnant patient in China. The antimicrobial susceptibility was assessed, and whole-genome sequencing was conducted. The acquired ARGs, insertion sequence (IS) elements, and integrons within the genome of E. coli EC6868 were identified, and the genetic contexts associated with the ARGs were analyzed systematically. Results E. coli EC6868 was determined to belong to ST69 and harbored a 144.9-kb IncF plasmid (pEC6868-1) with three replicons (Col156, IncFIBAP001918, and IncFII). The ESBL gene blaCTX-M-27 was located on the structure "∆ISEcp1-blaCTX-M-27-IS903B", which was widely present in the species of Enterobacteriales. Other ARGs carried by plasmid pEC6868-1 were mainly located on the 18.9-kb IS26-composite transposon (five copies of intact IS26 and one copy of truncated IS26) composing of IS26-mphA-mrx(A)-mphR(A)-IS6100, ∆TnAs3-eamA-tet(A)-tetR(A)-aph(6)-Id-aph(3")-Ib-sul2-IS26, and a class 1 integron, which was widely present on IncF plasmids of E. coli, mainly distributed in ST131, ST38, and ST405. Notably, pEC6868 in our study was the first report on a plasmid harboring the 18.9-kb structure in E. coli ST69 in China. Conclusion The 3GC-R E. coli ST69 strain with an MDR IncF plasmid carrying blaCTX-M-27 and other ARGs, conferring resistance to aminoglycosides, macrolides, sulfonamides, tetracycline, and trimethoprim, was identified in a hospital in China. Mobile genetic elements including ISEcp1, IS903B, IS26, Tn3, IS6100 and class 1 integron were found within the MDR region, which could play important roles in the global dissemination of these resistance genes.
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Affiliation(s)
- Ling Wang
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Yuee Guan
- Department of Cardiology, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Xu Lin
- Department of Gastrointestinal Surgery, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Jie Wei
- Department of Clinical Laboratory, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Qinghuan Zhang
- Department of Clinical Laboratory, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Limei Zhang
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Jing Tan
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Jie Jiang
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Caiqin Ling
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Lei Cai
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Xiaobin Li
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Xiong Liang
- Department of Obstetrics, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Wei Wei
- Department of Cardiothoracic Surgery, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, 519000, People’s Republic of China
| | - Rui-Man Li
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, People’s Republic of China
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Wolde D, Eguale T, Alemayehu H, Medhin G, Haile AF, Pirs M, Strašek Smrdel K, Avberšek J, Kušar D, Cerar Kišek T, Janko T, Steyer A, Starčič Erjavec M. Antimicrobial Susceptibility and Characterization of Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolated from Stools of Primary Healthcare Patients in Ethiopia. Antibiotics (Basel) 2024; 13:93. [PMID: 38247652 PMCID: PMC10812509 DOI: 10.3390/antibiotics13010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
Antimicrobial resistance of Escherichia coli is a growing problem in both developed and developing countries. This study aimed to investigate the phenotypic antimicrobial resistance of E. coli isolates (n = 260) isolated from the stool specimen of patients attending public health facilities in Addis Ababa and Hossana. This study also aimed to characterize phenotypically confirmed extended-spectrum beta-lactamase (ESBL)-producing E. coli isolates (n = 22) using whole-genome sequencing. Resistance to 18 different antimicrobials was assessed using the disc diffusion method according to the European Committee on Antimicrobial Susceptibility Testing (EUCAST) guidelines. The highest resistance rate among the E. coli isolates was found for ampicillin (52.7%), followed by trimethoprim-sulfamethoxazole (29.6%). Of all isolates, 50 (19.2%) were multidrug-resistant and 22 (8.5%) were ESBL producers. ESBL genes were detected in 94.7% of the sequenced E. coli isolates, and multiple β-lactamase genes were detected in 57.9% of the isolates. The predominant ESBL gene identified was blaCTX-M-15 (78.9%). The blaTEM-1B gene was detected in combination with other ESBL genes in 57.9% of the isolates, while only one of the sequenced isolates contained the blaTEM-1B gene alone. The blaCTX-M-3 gene was detected in three isolates. The genes blaCTX-M-15 and blaTEM-1B as well as blaCTX-M-15 and blaTEM-169 were confirmed to coexist in 52.6% and 10.5% of the sequenced E. coli isolates, respectively. In addition, blaOXA-1 was identified together with blaCTX-M-15 and blaTEM-1B in one isolate, and in one isolate, blaTEM-169 together with blaCTX-M-15 and blaTEM-1B was found. The results obtained show that measures need to be taken to reduce the spread of drug resistance and ensure the long-term use of available antimicrobials.
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Affiliation(s)
- Deneke Wolde
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Wachemo University, Hossana P.O. Box 667, Ethiopia;
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (T.E.); (H.A.); (G.M.); (A.F.H.)
- Department of Microbiology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Tadesse Eguale
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (T.E.); (H.A.); (G.M.); (A.F.H.)
| | - Haile Alemayehu
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (T.E.); (H.A.); (G.M.); (A.F.H.)
| | - Girmay Medhin
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (T.E.); (H.A.); (G.M.); (A.F.H.)
| | - Aklilu Feleke Haile
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (T.E.); (H.A.); (G.M.); (A.F.H.)
| | - Mateja Pirs
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.P.); (K.S.S.)
| | - Katja Strašek Smrdel
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.P.); (K.S.S.)
| | - Jana Avberšek
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia; (J.A.); (D.K.)
| | - Darja Kušar
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia; (J.A.); (D.K.)
| | - Tjaša Cerar Kišek
- National Laboratory of Health, Environment and Food, 2000 Maribor, Slovenia; (T.C.K.); (T.J.); (A.S.)
| | - Tea Janko
- National Laboratory of Health, Environment and Food, 2000 Maribor, Slovenia; (T.C.K.); (T.J.); (A.S.)
| | - Andrej Steyer
- National Laboratory of Health, Environment and Food, 2000 Maribor, Slovenia; (T.C.K.); (T.J.); (A.S.)
| | - Marjanca Starčič Erjavec
- Department of Microbiology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
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Castañeda-Meléndrez AM, Magaña-Lizárraga JA, Martínez-Valenzuela M, Clemente-Soto AF, García-Cervantes PC, Delgado-Vargas F, Bernal-Reynaga R. Genomic characterization of a multidrug-resistant uropathogenic Escherichia coli and evaluation of Echeveria plant extracts as antibacterials. AIMS Microbiol 2024; 10:41-61. [PMID: 38525046 PMCID: PMC10955171 DOI: 10.3934/microbiol.2024003] [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: 10/27/2023] [Revised: 12/22/2023] [Accepted: 01/10/2024] [Indexed: 03/26/2024] Open
Abstract
Uropathogenic Escherichia coli (UPEC) is the most common bacterial agent associated with urinary tract infections, threatening public health systems with elevated medical costs and high morbidity rates. The successful establishment of the infection is associated with virulence factors encoded in its genome, in addition to antibacterial resistance genes, which could limit the treatment and resolution of the infection. In this sense, plant extracts from the genus Echeveria have traditionally been used to treat diverse infectious diseases. However, little is known about the effects of these extracts on bacteria and their potential mechanisms of action. This study aims to sequence a multidrug-resistant UPEC isolate (UTI-U7) and assess the multilocus sequence typing (MLST), virulence factors, antimicrobial resistance profile, genes, serotype, and plasmid content. Antimicrobial susceptibility profiling was performed using the Kirby-Bauer disk diffusion. The antibacterial and anti-adherent effects of the methanol extracts (ME) of Echeveria (E. craigiana, E. kimnachii, and E. subrigida) against UTI-U7 were determined. The isolate was characterized as an O25:H4-B2-ST2279-CH40 subclone and had resistant determinants to aminoglycosides, β-lactams, fluoroquinolones/quinolones, amphenicols, and tetracyclines, which matched with the antimicrobial resistance profile. The virulence genes identified encode adherence factors, iron uptake, protectins/serum resistance, and toxins. Identified plasmids belonged to the IncF group (IncFIA, IncFIB, and IncFII), alongside several prophage-like elements. After an extensive genome analysis that confirmed the pathogenic status of UTI-U7 isolate, Echeveria extracts were tested to determine their antibacterial effects; as an extract, E. subrigida (MIC, 5 mg/mL) displayed the best inhibitory effect. However, the adherence between UTI-U7 and HeLa cells was unaffected by the ME of the E. subrigida extract.
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Affiliation(s)
| | | | | | | | | | | | - Rodolfo Bernal-Reynaga
- Unidad de Investigaciones en Salud Pública “Dra. Kaethe Willms”, Facultad de Ciencias Químico-Biológicas. Universidad Autónoma de Sinaloa. Ciudad Universitaria, Culiacán, Sinaloa, México
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Hasib FMY, Magouras I, St-Hilaire S, Paudel S, Kamali M, Lugsomya K, Lam HK, Elsohaby I, Butaye P, Nekouei O. Prevalence and characterization of antimicrobial-resistant Escherichia coli in chicken meat from wet markets in Hong Kong. Front Vet Sci 2024; 11:1340548. [PMID: 38288141 PMCID: PMC10822974 DOI: 10.3389/fvets.2024.1340548] [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: 11/18/2023] [Accepted: 01/04/2024] [Indexed: 01/31/2024] Open
Abstract
Given the close contact between animals, animal products, and consumers in wet markets, fresh meat products are considered a potential source and disseminator of antimicrobial-resistant (AMR) bacteria near the end of the food chain. This cross-sectional study was conducted to estimate the prevalence of select AMR-E. coli in fresh chicken meat collected from wet markets in Hong Kong and to determine target genes associated with the observed resistance phenotypes. Following a stratified random sampling design, 180 fresh half-chickens were purchased from 29 wet markets across Hong Kong in 2022 and immediately processed. After incubation, selective isolation was performed for extended-spectrum β-lactamase producing (ESBL), carbapenem-resistant (CRE), and colistin-resistant (CSR) E. coli. The bacterial isolates were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Disc Diffusion was used to determine the susceptibility of ESBL- and CRE-E. coli isolates. The broth microdilution method was used to determine the minimum inhibitory concentration of CSR-E. coli. Targeted resistance genes were then detected by PCR. The prevalence of ESBL-E. coli and CSR-E. coli were estimated at 88.8% (95% CI: 83.4-93.1%) and 6.7% (95% CI: 3.5-11.4%), respectively. No CRE-E. coli isolate was detected. The blaCTX-M-1 gene was the most common β-lactamase group in isolated E. coli (80%), followed by blaTEM (63.7%); no blaSHV gene was detected. Forty-five percent of the isolates had blaTEM and blaCTX-M-1 simultaneously. The mcr-1 gene was detected in all 12 CSR isolates. Of 180 meat samples, 59 were from Mainland China, and 121 were locally sourced. There was no statistically significant difference in the prevalence of ESBL- and CSR-E. coli between the two sources. Our findings can be used to inform food safety risk assessments and set the stage for adopting targeted control and mitigation measures tailored to the local wet markets.
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Affiliation(s)
- F. M. Yasir Hasib
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
| | - Ioannis Magouras
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Veterinary Public Health Institute, Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Sophie St-Hilaire
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Surya Paudel
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Maedeh Kamali
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Kittitat Lugsomya
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Hoi Kiu Lam
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Ibrahim Elsohaby
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Patrick Butaye
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Omid Nekouei
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
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Hrovat K, Molan K, Seme K, Ambrožič Avguštin J. Molecular characterization of extended-spectrum β-lactamase-producing Escherichia coli isolated from lower respiratory tract samples between 2002 and 2019 in the Central Slovenia region. Ann Clin Microbiol Antimicrob 2024; 23:6. [PMID: 38218869 PMCID: PMC10790261 DOI: 10.1186/s12941-023-00664-1] [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: 02/06/2023] [Accepted: 12/21/2023] [Indexed: 01/15/2024] Open
Abstract
BACKGROUND Antibiotic resistance is one of the most serious global health problems and threatens the effective treatment of bacterial infections. Of greatest concern are infections caused by extended-spectrum β-lactamase-producing Escherichia coli (ESBL-EC). The aim of our study was to evaluate the prevalence and molecular characteristics of ESBL-EC isolated over an 18-year pre-COVID period from lower respiratory tract (LRT) samples collected from selected Slovenian hospitals. OBJECTIVES AND METHODS All isolates were identified by MALDI-TOF and phenotypically confirmed as ESBLs by a disk diffusion assay. Using a PCR approach, 487 non-repetitive isolates were assigned to phylogroups, sequence type groups, and clonal groups. Isolates were also screened for virulence-associated genes (VAGs) and antimicrobial resistance genes. RESULTS The prevalence of ESBL-EC isolates from LRT in a large university hospital was low (1.4%) in 2005 and increased to 10.8% by 2019. The resistance profile of 487 non-repetitive isolates included in the study showed a high frequency of group 1 blaCTX-M (77.4%; n = 377), blaTEM (54.4%; n = 265) and aac(6')-Ib-cr (52%; n = 253) genes and a low proportion of blaSHV and qnr genes. Isolates were predominantly assigned to phylogroup B2 (73.1%; n = 356), which was significantly associated with clonal group ST131. The ST131 group accounted for 67.6% (n = 329) of all isolates and had a higher number of virulence factor genes than the non-ST131 group. The virulence gene profile of ST131 was consistent with that of other extraintestinal pathogenic E. coli (ExPEC) strains and was significantly associated with ten of sixteen virulence factor genes tested. Using ERIC-PCR fingerprinting, isolates with the same ERIC-profile in samples from different patients, and at different locations and sampling dates were confirmed, indicating the presence of "hospital-adapted" strains. CONCLUSION Our results suggest that the ESBL-EC isolates from LRT do not represent a specific pathotype, but rather resemble other ExPEC isolates, and may be adapted to the hospital environment. To our knowledge, this is the first study of ESBL-EC isolated from LRT samples collected over a long period of time.
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Affiliation(s)
- Katja Hrovat
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Katja Molan
- Department of Microbiology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Katja Seme
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Kar B, Kundu CN, Singh MK, Dehury B, Pati S, Bhattacharya D. Identification of potential inhibitor against CTX-M-3 and CTX-M-15 proteins: an in silico and in vitro study. J Biomol Struct Dyn 2024; 42:177-193. [PMID: 36995090 DOI: 10.1080/07391102.2023.2192811] [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: 01/19/2023] [Accepted: 03/10/2023] [Indexed: 03/31/2023]
Abstract
Extended-spectrum beta-lactamase (ESBL) producing Enterobacteriaceae infection is a serious global threat. ESBLs target 3rd generation cephalosporin antibiotics, the most commonly prescribed medicine for gram-negative bacterial infections. As bacteria are prone to develop resistance against market-available ESBL inhibitors, finding a novel and effective inhibitor has become mandatory. Among ESBL, the worldwide reported two enzymes, CTX-M-15 and CTX-M-3, are selected for the present study. CTX-M-3 protein was modeled, and two thousand phyto-compounds were virtually screened against both proteins. After filtering through docking and pharmacokinetic properties, four phyto-compounds (catechin gallate, silibinin, luteolin, uvaol) were further selected for intermolecular contact analysis and molecular dynamics (MD) simulation. MD trajectory analysis results were compared, revealing that both catechin gallate and silibinin had a stabilizing effect against both proteins. Silibinin having the lowest docking score, also displayed the lowest MIC (128 µg/mL) against the bacterial strains. Silibinin was also reported to have synergistic activity with cefotaxime and proved to have bactericidal effect. Nitrocefin assay confirmed that silibinin could inhibit beta-lactamase enzyme only in living cells, unlike clavulanic acid. Thus the present study validated the CTX-M inhibitory activity of silibinin both in silico and in vitro and suggested its promotion for further studies as a potential lead. The present study adopted a protocol through the culmination of bioinformatics and microbiological analyses, which will help future researchers identify more potential leads and design new effective drugs.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Bipasa Kar
- Department of Health Research, Ministry of Health & Family Welfare, Govt. of India, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha, India
| | - Chanakya Nath Kundu
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha, India
| | - Mahender Kumar Singh
- Data Science Laboratory, National Brain Research Centre, Gurgaon, Haryana, India
| | - Budheswar Dehury
- Bioinformatics Division, ICMR-Regional Medical Research Centre, Nalco Square, Bhubaneswar, Odisha, India
| | - Sanghamitra Pati
- Department of Health Research, Ministry of Health & Family Welfare, Govt. of India, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
| | - Debdutta Bhattacharya
- Department of Health Research, Ministry of Health & Family Welfare, Govt. of India, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
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Castañeda-Barba S, Top EM, Stalder T. Plasmids, a molecular cornerstone of antimicrobial resistance in the One Health era. Nat Rev Microbiol 2024; 22:18-32. [PMID: 37430173 DOI: 10.1038/s41579-023-00926-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/08/2023] [Indexed: 07/12/2023]
Abstract
Antimicrobial resistance (AMR) poses a substantial threat to human health. The widespread prevalence of AMR is, in part, due to the horizontal transfer of antibiotic resistance genes (ARGs), typically mediated by plasmids. Many of the plasmid-mediated resistance genes in pathogens originate from environmental, animal or human habitats. Despite evidence that plasmids mobilize ARGs between these habitats, we have a limited understanding of the ecological and evolutionary trajectories that facilitate the emergence of multidrug resistance (MDR) plasmids in clinical pathogens. One Health, a holistic framework, enables exploration of these knowledge gaps. In this Review, we provide an overview of how plasmids drive local and global AMR spread and link different habitats. We explore some of the emerging studies integrating an eco-evolutionary perspective, opening up a discussion about the factors that affect the ecology and evolution of plasmids in complex microbial communities. Specifically, we discuss how the emergence and persistence of MDR plasmids can be affected by varying selective conditions, spatial structure, environmental heterogeneity, temporal variation and coexistence with other members of the microbiome. These factors, along with others yet to be investigated, collectively determine the emergence and transfer of plasmid-mediated AMR within and between habitats at the local and global scale.
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Affiliation(s)
- Salvador Castañeda-Barba
- Department of Biological Sciences, University of Idaho, Moscow, ID, USA
- Bioinformatics and Computational Biology Graduate Program, University of Idaho, Moscow, ID, USA
- Institute for Interdisciplinary Data Sciences, University of Idaho, Moscow, ID, USA
| | - Eva M Top
- Department of Biological Sciences, University of Idaho, Moscow, ID, USA
- Bioinformatics and Computational Biology Graduate Program, University of Idaho, Moscow, ID, USA
- Institute for Interdisciplinary Data Sciences, University of Idaho, Moscow, ID, USA
- Institute for Modelling Collaboration and Innovation, University of Idaho, Moscow, ID, USA
| | - Thibault Stalder
- Department of Biological Sciences, University of Idaho, Moscow, ID, USA.
- Institute for Interdisciplinary Data Sciences, University of Idaho, Moscow, ID, USA.
- Institute for Modelling Collaboration and Innovation, University of Idaho, Moscow, ID, USA.
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42
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Gomi R, Matsumura Y, Yamamoto M, Tanaka M, Komakech AJ, Matsuda T, Harada H. Genomic surveillance of antimicrobial-resistant Escherichia coli in fecal sludge and sewage in Uganda. WATER RESEARCH 2024; 248:120830. [PMID: 37979567 DOI: 10.1016/j.watres.2023.120830] [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: 05/23/2023] [Revised: 10/24/2023] [Accepted: 11/03/2023] [Indexed: 11/20/2023]
Abstract
The global increase of antimicrobial resistance (AMR) is a major public health concern. An effective AMR surveillance tool is needed to track the emergence and spread of AMR. Wastewater surveillance has been proposed as a resource-efficient tool for monitoring AMR carriage in the community. Here, we performed genomic surveillance of antimicrobial-resistant Escherichia coli obtained from fecal sludge and sewage in Uganda to gain insights into E. coli epidemiology and AMR burden in the underlying population. Selective media containing different antibiotic combinations (cefotaxime, ciprofloxacin, cefotaxime + ciprofloxacin + gentamicin) were used to obtain antimicrobial-resistant E. coli from fecal sludge and sewage. Short-read sequencing was performed for the obtained isolates, and a subset of isolates (selected from predominant sequence types (STs)) was also subjected to long-read sequencing. Genomic analysis of the obtained E. coli isolates (n = 181) revealed the prevalence of clonal complex 10, including ST167 (n = 43), ST10 (n = 28), ST1284 (n = 17), and ST617 (n = 4), in both fecal sludge and sewage, irrespective of antibiotics used for selection. We also detected global high-risk clones ST1193 (n = 10) and ST131 (n = 2 clade A, n = 3 subclade C1-M27, and n = 1 subclade C2). Diverse AMR determinants, including extended-spectrum β-lactamase genes (mostly blaCTX-M-15) and mutations in gyrA and parC, were identified. Analysis of the completed genomes revealed that diverse IncF plasmids and chromosomal integration were the major contributors to the spread of AMR genes in the predominant STs. This study showed that a combination of sewage surveillance (or fecal sludge surveillance) and whole-genome sequencing can be a powerful tool for monitoring AMR carriage in the underlying population.
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Affiliation(s)
- Ryota Gomi
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8540, Japan.
| | - Yasufumi Matsumura
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin-kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Masaki Yamamoto
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoin-kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Mai Tanaka
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8540, Japan
| | - Allan John Komakech
- Department of Agricultural and Biosystems Engineering, College of Agricultural and Environmental Sciences, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Tomonari Matsuda
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8540, Japan
| | - Hidenori Harada
- Graduate School of Asian and African Area Studies, Kyoto University, Yoshida-Shimoadachi, Sakyo-ku, Kyoto 606-8501, Japan.
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Wang W, Wei X, Zhu Z, Wu L, Zhu Q, Arbab S, Wang C, Bai Y, Wang Q, Zhang J. Tn3-like structures co-harboring of bla CTX-M-65, bla TEM-1 and bla OXA-10 in the plasmids of two Escherichia coli ST1508 strains originating from dairy cattle in China. BMC Vet Res 2023; 19:279. [PMID: 38110972 PMCID: PMC10729465 DOI: 10.1186/s12917-023-03847-2] [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: 02/16/2023] [Accepted: 12/05/2023] [Indexed: 12/20/2023] Open
Abstract
The purpose of this study was to determine the level of horizontal transmission of the blaCTX-M-65 gene and the role of its associated mobile genetic elements (MGEs) in the bovine-derived Escherichia coli. After PCR identification, two plasmids carrying blaCTX-M-65 were successfully transferred to the recipient E. coli J53 Azr through conjugation assays and subsequently selected for Whole-Genome sequencing (WGS) analysis. The resistance profiles of these two positive strains and their transconjugants were also determined through antimicrobial susceptibility tests. Whole genome data were acquired using both the PacBio sequencing platform and the Illumina data platform. The annotated results were then submitted to the Genbank database for accession number recording. For comparison, the genetic environment of plasmids carrying the resistance gene blaCTX-M-65 was mapped using the Easyfig software. WGS analysis revealed Tn3-like composite transposons bearing blaCTX-M-65, blaTEM-1, and blaOXA-10 in the IncHI2-type plasmids of these two E. coli ST1508 strains. A phylogenetic tree was generated from all 48 assembled E. coli isolates blaCTX-M-65, blaTEM-1, and blaOXA-10 from the NCBI Pathogen Detection database with our two isolates, showing the relationships and the contribution of SNPs to the diversity between genetic samples. This study suggests that the transmissibility of blaCTX-M-65 on Tn3-like composite transposons contributes to an increased risk of its transmission in E. coli derived from dairy cattle.
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Affiliation(s)
- Weiwei Wang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
| | - Xiaojuan Wei
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
| | - Zhen Zhu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
- College of Life Science and Food Engineering, Hebei University of Engineering, Handan, Hebei Province, 056038, People's Republic of China
| | - Lingyu Wu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
| | - Qiqi Zhu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
- College of Life Science and Food Engineering, Hebei University of Engineering, Handan, Hebei Province, 056038, People's Republic of China
| | - Safia Arbab
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
| | - Chengye Wang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
- College of Life Science and Food Engineering, Hebei University of Engineering, Handan, Hebei Province, 056038, People's Republic of China
| | - Yubin Bai
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
| | - Qing Wang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China
- College of Veterinary Medicines, Gansu Agriculture University, Lanzhou, Gansu Province, 730070, People's Republic of China
| | - Jiyu Zhang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, Gansu Province, 730050, People's Republic of China.
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, Gansu Province, 730050, People's Republic of China.
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Jiangouyan, Qilihe District, Lanzhou, Gansu Province, 730050, People's Republic of China.
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Valenzuela X, Hedman H, Villagomez A, Cardenas P, Eisenberg JN, Levy K, Zhang L, Trueba G. Distribution of blaCTX-M-gene variants in E. coli from different origins in Ecuador. MEDICINE IN MICROECOLOGY 2023; 18:100092. [PMID: 38148908 PMCID: PMC10751039 DOI: 10.1016/j.medmic.2023.100092] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023] Open
Abstract
The increasing abundance of extended spectrum (β-lactamase (ESBL) genes in E. coli, and other commensal and pathogenic bacteria, endangers the utility of third or more recent generation cephalosporins, which are major tools for fighting deadly infections. The role of domestic animals in the transmission of ESBL carrying bacteria has been recognized, especially in low- and middle-income countries, however the horizontal gene transfer of these genes is difficult to assess. Here we investigate blaCTX-M gene diversity (and flanking nucleotide sequences) in E. coli from chicken and humans, in an Ecuadorian rural community and from chickens in another location in Ecuador. The blaCTX-M associated sequences in isolates from humans and chickens in the same remote community showed greater similarity than those found in E. coli in a chicken industrial operation 200 km away. Our study may provide evidence of blaCTX-M transfer between chickens and humans in the community.
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Affiliation(s)
- Xavier Valenzuela
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
- Facultad de Medicina, Universidad de la Americas (UDLA), Quito, Ecuador
| | - Hayden Hedman
- School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, 48109, United States
| | - Alma Villagomez
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Paul Cardenas
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Joseph N.S. Eisenberg
- Department of Epidemiology, University of Michigan, Ann Arbor, MI, 48109, United States
| | - Karen Levy
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Lixin Zhang
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, 48824, United States
| | - Gabriel Trueba
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
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Kim J, Cho Y, Lim SK, Seo MR, Sohn JW, Kim B, Rho M, Pai H. Comparative analyses of the faecal resistome against β-lactam and quinolone antibiotics in humans and livestock using metagenomic sequencing. Sci Rep 2023; 13:20993. [PMID: 38017092 PMCID: PMC10684531 DOI: 10.1038/s41598-023-48221-2] [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: 02/23/2023] [Accepted: 11/23/2023] [Indexed: 11/30/2023] Open
Abstract
To assess the prevalence and abundance of antibiotic resistance genes in human and livestock gut microbiomes, 87 humans (healthy individuals and patients with Clostridioides difficile infection (CDI)) and 108 livestock (swine, cattle, and chickens) were enrolled. Gut microbiomes and fluoroquinolone-resistant Escherichia coli isolates were sequenced, and mobile genetic elements adjacent to the β-lactamase (bla) and transferable quinolone resistance (qnr) genes were compared using metagenomic contigs. Each group of humans and livestock exhibited distinctive microbiota and resistome compositions in the gut. Concerning the resistome of bla and qnr, the prevalence rates between chickens and patients with CDI were the most similar (R2 = 0.46); blaTEM, blaOXA, blaCTX-M, and qnrS were highly prevalent in both groups. According to genomic and phylogenetic analyses, blaCTX-M and blaOXA expressed lineage specificity to either humans or livestock, while qnrS and blaTEM displayed a shared lineage between humans and livestock. A qnrS1 mobilome comprising five genes, including two recombinases, a transposase, and a plasmid gene, is commonly found in human and chicken gut microbiomes. Humans and chickens showed the most similar gut resistomes to β-lactams and quinolones. QnrS and blaTEM displayed especially strong co-occurrence between the guts of humans and livestock.
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Affiliation(s)
- Jieun Kim
- Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Youna Cho
- Department of Computer Science and Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Suk-Kyung Lim
- Bacterial Disease Division, Animal and Plant Quarantine Agency, 177 Hyeokin 8-ro, Gimcheon-si, Gyeongsangbuk-do, 39660, Republic of Korea
| | - Mi-Ran Seo
- ConnectaGen Inc., F 203, MisaCentumbiz 2F, Jojeong-Dearo, Hanam-si, Gyeonggi-do, 12918, Republic of Korea
| | - Jang Won Sohn
- Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Bongyoung Kim
- Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Mina Rho
- Department of Computer Science and Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
- Department of Biomedical Informatics, Hanyang University, Seoul, 04763, Republic of Korea.
| | - Hyunjoo Pai
- Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea.
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Guibert F, Espinoza K, Taboada-Blanco C, Alonso CA, Oporto R, Castillo AK, Rojo-Bezares B, López M, Sáenz Y, Pons MJ, Ruiz J. Traditional marketed meats as a reservoir of multidrug-resistant Escherichia coli. Int Microbiol 2023:10.1007/s10123-023-00445-y. [PMID: 37995017 DOI: 10.1007/s10123-023-00445-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/24/2023]
Abstract
This study aimed to analyze Escherichia coli from marketed meat samples in Peru. Sixty-six E. coli isolates were recovered from 21 meat samples (14 chicken, 7 beef), and antimicrobial resistance levels and the presence of mechanisms of antibiotic resistance, as well as clonal relationships and phylogeny of colistin-resistant isolates, were established. High levels of antimicrobial resistance were detected, with 93.9% of isolates being multi-drug resistant (MDR) and 76.2% of samples possessing colistin-resistant E. coli; of these, 6 samples from 6 chicken samples presenting mcr-1-producer E. coli. Colistin-resistant isolates were classified into 22 clonal groups, while phylogroup A (15 isolates) was the most common. Extended-spectrum β-lactamase- and pAmpC-producing E. coli were found in 18 and 8 samples respectively, with blaCTX-M-55 (28 isolates; 16 samples) and blaCIT (8 isolates; 7 samples) being the most common of each type. Additionally, blaCTX-M-15, blaCTX-M-65, blaSHV-27, blaOXA-5/10-like, blaDHA, blaEBC and narrow-spectrum blaTEM were detected. In addition, 5 blaCTX-M remained unidentified, and no sought ESBL-encoding gene was detected in other 6 ESBL-producer isolates. The tetA, tetE and tetX genes were found in tigecycline-resistant isolates. This study highlights the presence of MDR E. coli in Peruvian food-chain. The high relevance of CTX-M-55, the dissemination through the food-chain of pAmpC, as well as the high frequency of unrelated colistin-resistant isolates is reported.
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Affiliation(s)
- Fernando Guibert
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru
| | - Kathya Espinoza
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru
| | - Clara Taboada-Blanco
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja, Logroño, Spain
| | - Carla A Alonso
- Servicio de Análisis Clínicos, Laboratorio de Microbiología, Hospital San Pedro, Logroño, Spain
| | - Rosario Oporto
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru
| | - Angie K Castillo
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru
| | - Beatriz Rojo-Bezares
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja, Logroño, Spain
| | - María López
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja, Logroño, Spain
| | - Yolanda Sáenz
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja, Logroño, Spain
| | - Maria J Pons
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru.
| | - Joaquim Ruiz
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Antigua Panamericana Sur Km 19, Villa El Salvador, 15067, Lima, Peru.
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Daaboul D, Oueslati S, Rima M, Kassem II, Mallat H, Birer A, Girlich D, Hamze M, Dabboussi F, Osman M, Naas T. The emergence of carbapenemase-producing Enterobacterales in hospitals: a major challenge for a debilitated healthcare system in Lebanon. Front Public Health 2023; 11:1290912. [PMID: 38074718 PMCID: PMC10699444 DOI: 10.3389/fpubh.2023.1290912] [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: 09/08/2023] [Accepted: 10/26/2023] [Indexed: 12/18/2023] Open
Abstract
Background Carbapenem- and extended-spectrum cephalosporin-resistant Enterobacterales (CR-E and ESCR-E, respectively) are increasingly isolated worldwide. Information about these bacteria is sporadic in Lebanon and generally relies on conventional diagnostic methods, which is detrimental for a country that is struggling with an unprecedented economic crisis and a collapsing public health system. Here, CR-E isolates from different Lebanese hospitals were characterized. Materials and methods Non-duplicate clinical ESCR-E or CR-E isolates (N = 188) were collected from three hospitals from June 2019 to December 2020. Isolates were identified by MALDI-TOF, and their antibiotic susceptibility by Kirby-Bauer disk diffusion assay. CR-E isolates (n = 33/188) were further analyzed using Illumina-based WGS to identify resistome, MLST, and plasmid types. Additionally, the genetic relatedness of the CR-E isolates was evaluated using an Infrared Biotyper system and compared to WGS. Results Using the Kirby-Bauer disk diffusion assay, only 90 isolates out of the 188 isolates that were collected based on their initial routine susceptibility profile by the three participating hospitals could be confirmed as ESCR-E or CR-E isolates and were included in this study. This collection comprised E. coli (n = 70; 77.8%), K. pneumoniae (n = 13; 14.4%), Enterobacter spp. (n = 6; 6.7%), and Proteus mirabilis (n = 1; 1.1%). While 57 were only ESBL producers the remaining 33 isolates (i.e., 26 E. coli, five K. pneumoniae, one E. cloacae, and one Enterobacter hormaechei) were resistant to at least one carbapenem, of which 20 were also ESBL-producers. Among the 33 CR-E, five different carbapenemase determinants were identified: blaNDM-5 (14/33), blaOXA-244 (10/33), blaOXA-48 (5/33), blaNDM-1 (3/33), and blaOXA-181 (1/33) genes. Notably, 20 CR-E isolates were also ESBL-producers. The analysis of the genetic relatedness revealed a substantial genetic diversity among CR-E isolates, suggesting evolution and transmission from various sources. Conclusion This study highlighted the emergence and broad dissemination of blaNDM-5 and blaOXA-244 genes in Lebanese clinical settings. The weak AMR awareness in the Lebanese community and the ongoing economic and healthcare challenges have spurred self-medication practices. Our findings highlight an urgent need for transformative approaches to combat antimicrobial resistance in both community and hospital settings.
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Affiliation(s)
- Dina Daaboul
- Faculty of Medicine, Team "Resist" UMR1184, "Immunology of Viral, Auto-Immune, Hematological and Bacterial Diseases (IMVA-HB)," INSERM, Université Paris-Saclay, CEA, Health and Therapeutic Innovation (HEALTHI), Le Kremlin-Bicêtre, France
- Laboratoire Microbiologie Santé et Environment (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Saoussen Oueslati
- Faculty of Medicine, Team "Resist" UMR1184, "Immunology of Viral, Auto-Immune, Hematological and Bacterial Diseases (IMVA-HB)," INSERM, Université Paris-Saclay, CEA, Health and Therapeutic Innovation (HEALTHI), Le Kremlin-Bicêtre, France
- Bacteriology-Hygiene Unit, Assistance Publique-Hôpitaux de Paris, AP-HP Paris-Saclay, Bicêtre Hospital Le Kremlin-Bicêtre, Paris, France
| | - Mariam Rima
- Faculty of Medicine, Team "Resist" UMR1184, "Immunology of Viral, Auto-Immune, Hematological and Bacterial Diseases (IMVA-HB)," INSERM, Université Paris-Saclay, CEA, Health and Therapeutic Innovation (HEALTHI), Le Kremlin-Bicêtre, France
| | - Issmat I. Kassem
- Center for Food Safety and Department of Food Science and Technology, University of Georgia, Griffin, GA, United States
| | - Hassan Mallat
- Laboratoire Microbiologie Santé et Environment (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Aurélien Birer
- French National Reference Center for Antibiotic Resistance, Clermont-Ferrand, France
| | - Delphine Girlich
- Faculty of Medicine, Team "Resist" UMR1184, "Immunology of Viral, Auto-Immune, Hematological and Bacterial Diseases (IMVA-HB)," INSERM, Université Paris-Saclay, CEA, Health and Therapeutic Innovation (HEALTHI), Le Kremlin-Bicêtre, France
| | - Monzer Hamze
- Laboratoire Microbiologie Santé et Environment (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Fouad Dabboussi
- Laboratoire Microbiologie Santé et Environment (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Marwan Osman
- Cornell Atkinson Center for Sustainability, Cornell University, Ithaca, NY, United States
- Department of Public and Ecosystem Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
- Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, United States
| | - Thierry Naas
- Faculty of Medicine, Team "Resist" UMR1184, "Immunology of Viral, Auto-Immune, Hematological and Bacterial Diseases (IMVA-HB)," INSERM, Université Paris-Saclay, CEA, Health and Therapeutic Innovation (HEALTHI), Le Kremlin-Bicêtre, France
- Bacteriology-Hygiene Unit, Assistance Publique-Hôpitaux de Paris, AP-HP Paris-Saclay, Bicêtre Hospital Le Kremlin-Bicêtre, Paris, France
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Wang W, Wei X, Arbab S, Wu L, Lu N, Zhu Q, Bai Y, Zhang J. Multidrug-Resistant Escherichia coli Isolate of Chinese Bovine Origin Carrying the blaCTX-M-55 Gene Located in IS 26-Mediated Composite Translocatable Units. Microorganisms 2023; 11:2795. [PMID: 38004806 PMCID: PMC10673294 DOI: 10.3390/microorganisms11112795] [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: 10/19/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Elevated detection rates of the blaCTX-M-55 gene in animals have been reported as a result of antibiotic misuse in clinics. To investigate the horizontal transfer mechanism of blaCTX-M-55 and its associated mobile genetic elements (MGEs), we isolated 318 nonrepetitive strains of Escherichia coli (E. coli) from bovine samples in Xinjiang and Gansu provinces, China. All E. coli strains were screened for the CTX-M-55 gene using PCR. The complete genomic data were sequenced using the PacBio triplet sequencing platform and corrected using the Illumina data platform. The genetic environment of the plasmids carrying the resistance blaCTX-M-55 gene was mapped using the software Easyfig2.2.3 for comparison. The results showed that all blaCTX-M-55-positive strains were resistant to multiple antibiotics. Five strains of Escherichia coli carry the blaCTX-M-55 gene, which is adjacent to other resistance genes and is located on the IncHI2-type plasmid. Four of the five blaCTX-M-55-harbor strains carried translocatable units (TUs). All the donor bacteria carrying the blaCTX-M-55 genes could transfer horizontally to the recipient (E. coli J53 Azr). This study demonstrates that the transmission of blaCTX-M-55 is localized on IS26-flanked composite transposons. The cotransmission and prevalence of blaCTX-M-55 with other MDR resistance genes on epidemic plasmids require enhanced monitoring and control.
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Affiliation(s)
- Weiwei Wang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Xiaojuan Wei
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Safia Arbab
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Lingyu Wu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Ningning Lu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Qiqi Zhu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Yubin Bai
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Jiyu Zhang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
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O’Neill L, Manzanilla EG, Ekhlas D, Leonard FC. Antimicrobial Resistance in Commensal Escherichia coli of the Porcine Gastrointestinal Tract. Antibiotics (Basel) 2023; 12:1616. [PMID: 37998818 PMCID: PMC10669415 DOI: 10.3390/antibiotics12111616] [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: 09/18/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023] Open
Abstract
Antimicrobial resistance (AMR) in Escherichia coli of animal origin presents a threat to human health. Although animals are not the primary source of human infections, humans may be exposed to AMR E. coli of animal origin and their AMR genes through the food chain, direct contact with animals, and via the environment. For this reason, AMR in E. coli from food producing animals is included in most national and international AMR monitoring programmes and is the subject of a large body of research. As pig farming is one of the largest livestock sectors and the one with the highest antimicrobial use, there is considerable interest in the epidemiology of AMR in E. coli of porcine origin. This literature review presents an overview and appraisal of current knowledge of AMR in commensal E. coli of the porcine gastrointestinal tract with a focus on its evolution during the pig lifecycle and the relationship with antimicrobial use. It also presents an overview of the epidemiology of resistance to extended spectrum cephalosporins, fluoroquinolones, and colistin in pig production. The review highlights the widespread nature of AMR in the porcine commensal E. coli population, especially to the most-used classes in pig farming and discusses the complex interplay between age and antimicrobial use during the pig lifecycle.
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Affiliation(s)
- Lorcan O’Neill
- Pig Development Department, Teagasc, The Irish Food and Agriculture Authority, Moorepark, Fermoy, Co Cork P61 C996, Ireland; (E.G.M.); (D.E.)
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin D04 V1W8, Ireland;
| | - Edgar García Manzanilla
- Pig Development Department, Teagasc, The Irish Food and Agriculture Authority, Moorepark, Fermoy, Co Cork P61 C996, Ireland; (E.G.M.); (D.E.)
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin D04 V1W8, Ireland;
| | - Daniel Ekhlas
- Pig Development Department, Teagasc, The Irish Food and Agriculture Authority, Moorepark, Fermoy, Co Cork P61 C996, Ireland; (E.G.M.); (D.E.)
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin D04 V1W8, Ireland;
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin D15 DY05, Ireland
| | - Finola C. Leonard
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin D04 V1W8, Ireland;
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50
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Torres A, Wible M, Tawadrous M, Irani P, Stone GG, Quintana A, Debabov D, Burroughs M, Bradford PA, Kollef M. Efficacy and safety of ceftazidime/avibactam in patients with infections caused by β-lactamase-producing Gram-negative pathogens: a pooled analysis from the Phase 3 clinical trial programme. J Antimicrob Chemother 2023; 78:2672-2682. [PMID: 37700689 PMCID: PMC11157139 DOI: 10.1093/jac/dkad280] [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: 09/21/2021] [Accepted: 08/25/2023] [Indexed: 09/14/2023] Open
Abstract
OBJECTIVES This post hoc pooled analysis evaluated clinical and microbiological outcomes and safety in patients with infections caused by β-lactamase-producing Gram-negative pathogens across five Phase 3, randomized, controlled, multicentre trials of ceftazidime/avibactam in adults with complicated intra-abdominal infection (cIAI), complicated urinary tract infection (cUTI)/pyelonephritis and nosocomial pneumonia (NP), including ventilator-associated pneumonia (VAP). METHODS In each trial, RECLAIM/RECLAIM 3 (cIAI), REPRISE (cIAI/cUTI), RECAPTURE (cUTI) and REPROVE (NP, including VAP) patients were randomized 1:1 to IV ceftazidime/avibactam (plus metronidazole for patients with cIAI) or comparators (carbapenems in >97% patients) for 5-21 days. Clinical and microbiological responses at the test-of-cure visit were assessed for patients with ESBLs, and/or plasmidic and/or overexpression of chromosomal AmpC, and/or serine carbapenemases without MBLs identified in baseline Gram-negative isolates by phenotypic screening and molecular characterization in the pooled microbiological modified ITT (mMITT) population. RESULTS In total, 813 patients (ceftazidime/avibactam, n = 389; comparator, n = 424) had ≥1 β-lactamase-producing baseline pathogen identified, amongst whom 792 patients (ceftazidime/avibactam, n = 379; comparator, n = 413) had no MBLs. The most frequent β-lactamase-producing pathogens across treatment groups were Escherichia coli (n = 381), Klebsiella pneumoniae (n = 261) and Pseudomonas aeruginosa (n = 53). Clinical cure rates in the pooled non-MBL β-lactamase-producing mMITT population were 88.1% (334/379) for ceftazidime/avibactam and 88.1% (364/413) for comparators; favourable microbiological response rates were 76.5% (290/379) and 68.8% (284/413), respectively. The safety profile of ceftazidime/avibactam was consistent with previous observations. CONCLUSIONS This analysis provides supportive evidence of the efficacy and safety of ceftazidime/avibactam in patients with infections caused by ESBLs, AmpC and serine carbapenemase-producing Gram-negative pathogens. TRIAL REGISTRATION NCT01499290; NCT01726023; NCT01644643; NCT01595438/NCT01599806; NCT01808092.
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Affiliation(s)
- Antoni Torres
- Servei de Pneumologia, Hospital Clinic, University of Barcelona, Villarroel 170, 08036, Barcelona, Spain
| | | | | | - Paurus Irani
- Hospital Business Unit, Pfizer, Tadworth, Surrey, UK
| | | | | | - Dmitri Debabov
- Non-clinical Development Microbiology, AbbVie, Irvine, CA, USA
| | | | | | - Marin Kollef
- Division of Pulmonary & Critical Care Medicine, Institute of Clinical and Translational Sciences, Washington University School of Medicine, St Louis, MO, USA
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