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Liu L, Yi S, Xu X, Zheng L, Liu H, Zhou X. Prevalence and Characteristics of Plasmid-Mediated Fosfomycin Resistance Gene fosA3 among Salmonella Enteritidis Isolates from Retail Chickens and Children with Gastroenteritis in China. Pathogens 2024; 13:816. [PMID: 39339007 PMCID: PMC11434640 DOI: 10.3390/pathogens13090816] [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: 08/30/2024] [Revised: 09/14/2024] [Accepted: 09/20/2024] [Indexed: 09/30/2024] Open
Abstract
A total of 265 Salmonella Enteritidis isolates collected from retail markets and children's hospitals in Shanghai were used to investigate the prevalence and molecular epidemiology of plasmid-mediated fosfomycin resistance genes. Nine of the isolates-7 from the 146 (4.79%) retail chicken-related samples and 2 from the 119 (1.68%) samples from clinical children-were fosfomycin-resistant (FosR). The fosA3 gene was detected in all of the nine FosR isolates, which were located on Inc F-type (8/9, 88.9%) and unknown-type (1/9, 11.1%) transferable plasmids. In total, five plasmid types, namely Inc HI2 (1/9, 11.1%), Inc I1 (3/9, 33.3%), Inc X (8/9, 88.9%), Inc FIIs (9/9, 100%), and Inc FIB (9/9, 100%), were detected in these FosR isolates, which possessed five S1 nuclease pulsed-field gel electrophoresis (S1-PFGE) profiles. The extended-spectrum β-lactamase determinant blaCTX-M-14 subtype was identified in one FosRS. Enteritidis isolate, which was located in a transferable unknown-type plasmid co-carrying fosA3 and tetR genes. Sequence homology analysis showed that this plasmid possessed high sequence similarity to previously reported blaCTX-M-14- and fosA3-positive plasmids from E. coli strains, implying that plasmids carrying the fosA3 gene might be disseminated among Enterobacterales. These findings highlight further challenges in the prevention and treatment of Enterobacteriaceae infections caused by plasmids containing fosA3.
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Affiliation(s)
- Liyuan Liu
- College of Public Health, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Shanrong Yi
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuebin Xu
- Shanghai Center for Disease Control and Prevention, Shanghai 200336, China
| | - Liya Zheng
- College of Public Health, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Hong Liu
- Shanghai Center for Disease Control and Prevention, Shanghai 200336, China
| | - Xiujuan Zhou
- College of Public Health, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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Li X, Hu H, Zhu Y, Wang T, Lu Y, Wang X, Peng Z, Sun M, Chen H, Zheng J, Tan C. Population structure and antibiotic resistance of swine extraintestinal pathogenic Escherichia coli from China. Nat Commun 2024; 15:5811. [PMID: 38987310 PMCID: PMC11237156 DOI: 10.1038/s41467-024-50268-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 07/03/2024] [Indexed: 07/12/2024] Open
Abstract
Extraintestinal Pathogenic Escherichia coli (ExPEC) pose a significant threat to human and animal health. However, the diversity and antibiotic resistance of animal ExPEC, and their connection to human infections, remain largely unexplored. The study performs large-scale genome sequencing and antibiotic resistance testing of 499 swine-derived ExPEC isolates from China. Results show swine ExPEC are phylogenetically diverse, with over 80% belonging to phylogroups B1 and A. Importantly, 15 swine ExPEC isolates exhibit genetic relatedness to human-origin E. coli strains. Additionally, 49 strains harbor toxins typical of enteric E. coli pathotypes, implying hybrid pathotypes. Notably, 97% of the total strains are multidrug resistant, including resistance to critical human drugs like third- and fourth-generation cephalosporins. Correspondingly, genomic analysis unveils prevalent antibiotic resistance genes (ARGs), often associated with co-transfer mechanisms. Furthermore, analysis of 20 complete genomes illuminates the transmission pathways of ARGs within swine ExPEC and to human pathogens. For example, the transmission of plasmids co-harboring fosA3, blaCTX-M-14, and mcr-1 genes between swine ExPEC and human-origin Salmonella enterica is observed. These findings underscore the importance of monitoring and controlling ExPEC infections in animals, as they can serve as a reservoir of ARGs with the potential to affect human health or even be the origin of pathogens infecting humans.
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Affiliation(s)
- Xudong Li
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huifeng Hu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, China
- Centre for Microbiology and Environmental Systems Science, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria
| | - Yongwei Zhu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Taiquan Wang
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, China
| | - Youlan Lu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiangru Wang
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Zhong Peng
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Ming Sun
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Jinshui Zheng
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China.
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Chen Tan
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, China.
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China.
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Nasrollahian S, Graham JP, Halaji M. A review of the mechanisms that confer antibiotic resistance in pathotypes of E. coli. Front Cell Infect Microbiol 2024; 14:1387497. [PMID: 38638826 PMCID: PMC11024256 DOI: 10.3389/fcimb.2024.1387497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 03/15/2024] [Indexed: 04/20/2024] Open
Abstract
The dissemination of antibiotic resistance in Escherichia coli poses a significant threat to public health worldwide. This review provides a comprehensive update on the diverse mechanisms employed by E. coli in developing resistance to antibiotics. We primarily focus on pathotypes of E. coli (e.g., uropathogenic E. coli) and investigate the genetic determinants and molecular pathways that confer resistance, shedding light on both well-characterized and recently discovered mechanisms. The most prevalent mechanism continues to be the acquisition of resistance genes through horizontal gene transfer, facilitated by mobile genetic elements such as plasmids and transposons. We discuss the role of extended-spectrum β-lactamases (ESBLs) and carbapenemases in conferring resistance to β-lactam antibiotics, which remain vital in clinical practice. The review covers the key resistant mechanisms, including: 1) Efflux pumps and porin mutations that mediate resistance to a broad spectrum of antibiotics, including fluoroquinolones and aminoglycosides; 2) adaptive strategies employed by E. coli, including biofilm formation, persister cell formation, and the activation of stress response systems, to withstand antibiotic pressure; and 3) the role of regulatory systems in coordinating resistance mechanisms, providing insights into potential targets for therapeutic interventions. Understanding the intricate network of antibiotic resistance mechanisms in E. coli is crucial for the development of effective strategies to combat this growing public health crisis. By clarifying these mechanisms, we aim to pave the way for the design of innovative therapeutic approaches and the implementation of prudent antibiotic stewardship practices to preserve the efficacy of current antibiotics and ensure a sustainable future for healthcare.
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Affiliation(s)
- Sina Nasrollahian
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Jay P. Graham
- Environmental Health Sciences Division, School of Public Health, University of California, Berkeley, CA, United States
| | - Mehrdad Halaji
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
- Department of Medical Microbiology and Biotechnology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
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Attaallah Ibrahim A, Kadhim Mohammed R. Synergistic Antimicrobial Activity of Eugenol in Combination with Fosfomycin to Combat Escherichia coli and Potential Effect on Plasmid-Mediated Fosfomycin Resistance Genes. Chem Biodivers 2023; 20:e202301567. [PMID: 37956152 DOI: 10.1002/cbdv.202301567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 11/15/2023]
Abstract
The presence of multidrug-resistant pathogenic microorganisms makes it challenging to cure bacterial illnesses. Syzygium aromaticum has been used for medicinal purposes since ancient times. The objective of this study was to investigate the potential synergistic effect of the combination of Eugenol and Fosfomycin against clinically Uropathogenic Escherichia coli (UPEC) and their possible co-treatment as well as their contribution to plasmid-mediated Fosfomycin resistance (fosA3 and fosA4) genes using molecular assays. Eugenol was extracted from clove (Syzygium aromaticum) plants using steam distillation by Clevenger and analyzed by high-performance liquid chromatography (HPLC). UPEC accounted for 63.6 % of all isolates. Specifically, 99.3 % of the UPEC isolates exhibited resistance to multiple types of antibiotics [multidrug-resistant (MDR)]. The MIC for Eugenol was 1.25-5 μg/mL, and Fosfomycin was 512-1024 μg/mL, while the MBC for Eugenol was 5-10 μg/mL and Fosfomycin was 2048 μg/mL. The synergistic effects were considerable, with 1/4 MIC of Eugenol resulting in 1/8 MIC Fosfomycin. Eugenol inhibited most of the UPEC isolates at 4-8 hours, Fosfomycin at 8-12 hours, and co-treatment at 4-8 hours. The fosA3 and fosA4 genes were detected in 5.7 % and 2.9 % of the isolates, respectively. The results showed variable gene expression changes in response to the different treatments.
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Affiliation(s)
- Ali Attaallah Ibrahim
- Department of Biotechnology, College of Science, University of Baghdad, Baghdad, Iraq
- Abi Ghraib General Hospital, Baghdad Al-Karkh Health Directorate, Iraqi Ministry of Health, Baghdad, Iraq
| | - Rana Kadhim Mohammed
- Department of Biotechnology, College of Science, University of Baghdad, Baghdad, Iraq
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Mattioni Marchetti V, Hrabak J, Bitar I. Fosfomycin resistance mechanisms in Enterobacterales: an increasing threat. Front Cell Infect Microbiol 2023; 13:1178547. [PMID: 37469601 PMCID: PMC10352792 DOI: 10.3389/fcimb.2023.1178547] [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: 03/02/2023] [Accepted: 05/31/2023] [Indexed: 07/21/2023] Open
Abstract
Antimicrobial resistance is well-known to be a global health and development threat. Due to the decrease of effective antimicrobials, re-evaluation in clinical practice of old antibiotics, as fosfomycin (FOS), have been necessary. FOS is a phosphonic acid derivate that regained interest in clinical practice for the treatment of complicated infection by multi-drug resistant (MDR) bacteria. Globally, FOS resistant Gram-negative pathogens are raising, affecting the public health, and compromising the use of the antibiotic. In particular, the increased prevalence of FOS resistance (FOSR) profiles among Enterobacterales family is concerning. Decrease in FOS effectiveness can be caused by i) alteration of FOS influx inside bacterial cell or ii) acquiring antimicrobial resistance genes. In this review, we investigate the main components implicated in FOS flow and report specific mutations that affect FOS influx inside bacterial cell and, thus, its effectiveness. FosA enzymes were identified in 1980 from Serratia marcescens but only in recent years the scientific community has started studying their spread. We summarize the global epidemiology of FosA/C2/L1-2 enzymes among Enterobacterales family. To date, 11 different variants of FosA have been reported globally. Among acquired mechanisms, FosA3 is the most spread variant in Enterobacterales, followed by FosA7 and FosA5. Based on recently published studies, we clarify and represent the molecular and genetic composition of fosA/C2 genes enviroment, analyzing the mechanisms by which such genes are slowly transmitting in emerging and high-risk clones, such as E. coli ST69 and ST131, and K. pneumoniae ST11. FOS is indicated as first line option against uncomplicated urinary tract infections and shows remarkable qualities in combination with other antibiotics. A rapid and accurate identification of FOSR type in Enterobacterales is difficult to achieve due to the lack of commercial phenotypic susceptibility tests and of rapid systems for MIC detection.
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Affiliation(s)
- Vittoria Mattioni Marchetti
- Department of Microbiology, Faculty of Medicine, University Hospital in Pilsen, Charles University, Pilsen, Czechia
- Biomedical Center, Faculty of Medicine, Charles University, Pilsen, Czechia
- Unit of Microbiology and Clinical Microbiology, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Jaroslav Hrabak
- Department of Microbiology, Faculty of Medicine, University Hospital in Pilsen, Charles University, Pilsen, Czechia
- Biomedical Center, Faculty of Medicine, Charles University, Pilsen, Czechia
| | - Ibrahim Bitar
- Department of Microbiology, Faculty of Medicine, University Hospital in Pilsen, Charles University, Pilsen, Czechia
- Biomedical Center, Faculty of Medicine, Charles University, Pilsen, Czechia
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Lysitsas M, Chatzipanagiotidou I, Billinis C, Valiakos G. Fosfomycin Resistance in Bacteria Isolated from Companion Animals (Dogs and Cats). Vet Sci 2023; 10:vetsci10050337. [PMID: 37235420 DOI: 10.3390/vetsci10050337] [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: 03/31/2023] [Revised: 04/25/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Fosfomycin is an old antibacterial agent, which is currently used mainly in human medicine, in uncomplicated Urinary Tract Infections (UTIs). The purpose of this review is to investigate the presence and the characteristics of Fosfomycin resistance in bacteria isolated from canine or feline samples, estimate the possible causes of the dissemination of associated strains in pets, and underline the requirements of prospective relevant studies. Preferred Reporting Items for Systematic Reviews (PRISMA) guidelines were used for the search of current literature in two databases. A total of 33 articles were finally included in the review. Relevant data were tracked down, assembled, and compared. Referring to the geographical distribution, Northeast Asia was the main area of origin of the studies. E. coli was the predominant species detected, followed by other Enterobacteriaceae, Staphylococci, and Pseudomonas spp. FosA and fosA3 were the more frequently encountered Antimicrobial Resistance Genes (ARGs) in the related Gram-negative isolates, while fosB was regularly encountered in Gram-positive ones. The majority of the strains were multidrug-resistant (MDR) and co-carried resistance genes against several classes of antibiotics and especially β-Lactams, such as blaCTX-M and mecA. These results demonstrate the fact that the cause of the spreading of Fosfomycin-resistant bacteria among pets could be the extended use of other antibacterial agents, that promote the prevalence of MDR, epidemic strains among an animal population. Through the circulation of these strains into a community, a public health issue could arise. Further research is essential though, for the comprehensive consideration of the issue, as the current data are limited.
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Affiliation(s)
- Marios Lysitsas
- Faculty of Veterinary Science, University of Thessaly, 43100 Karditsa, Greece
| | | | | | - George Valiakos
- Faculty of Veterinary Science, University of Thessaly, 43100 Karditsa, Greece
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Hu Y, Zhang W, Shen X, Qu Q, Li X, Chen R, Wang Z, Ma R, Xiong Z, Wang Y, Wang P. Tandem Repeat of bla NDM-1 and Clonal Dissemination of a fosA3 and bla KPC-2 Co-Carrying IncR-F33: A-: B- Plasmid in Klebsiella pneumoniae Isolates Collected in a Southwest Hospital in China, 2010-2013. Infect Drug Resist 2022; 15:7431-7447. [PMID: 36544990 PMCID: PMC9762261 DOI: 10.2147/idr.s391144] [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: 09/29/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Carbapenem-resistant Klebsiella pneumoniae (CRKP) has been widespread in coastal cities of eastern China since 2009. However, how CRKP spreads and evolves in southwest China is unclear. Aim We investigated the genetic characteristics and dissemination mechanisms of carbapenemase genes in forty-one non-repetitive CRKP isolates collected from a southwest hospital, Kunming, Yunnan, during 2010-2013. Methodology Drug susceptibilities were analyzed by using VITEK 2 compact system. Genetic relationships were ascertained based on multilocus sequence typing (MLST) and Pulsed-field gel electrophoresis (PFGE) analysis. Genetic backgrounds of bla KPC-2 and bla NDM-1 were revealed by DNA walking and high-throughput sequencing. Results All isolates were highly resistant to common antibiotics except for tigecycline. In total, 34 bla KPC-2, 3 bla NDM-1, 1 bla IMP-4 and 3 bla IMP-26 genes were identified and KP67 plasmid 1 co-harbored bla NDM-1 and bla IMP-26. Five sequence types, namely ST11, ST290, ST340, ST395 and ST437, were recognized by MLST. Surprisingly, bla KPC-2 was only detected in ST11 strains. We described a clonal dissemination of fosA3-positive IncR-IncF33:A-:B- multireplicon plasmid carrying the gene cassettes IS26-ΔTn3-ISKpn27-bla KPC-2-ΔISKpn6-korC-klcA-ΔrepB-Tn1721 in all ST11 isolates. Three bla NDM-1 positive isolates belonged to three different ST types and their bla NDM-1 genetic backgrounds were also distinct. Interestingly, the flanking regions of bla NDM-1 in KP67 and KP72 were duplicated into one to five copies in a form of tandem repeat by the transposition of IS91 like element. The bla NDM-1 of KP82 was carried on a common IncX3 plasmid. Conclusion This study described the early epidemiological characteristics of bla KPC-2/bla NDM-1-carrying CRKP, and reported a new tandem repeat pattern of bla NDM-1 cluster in Yunnan. These findings extend our knowledge on the carbapenemase gene evolutions.
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Affiliation(s)
- Ying Hu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Wei Zhang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Xiufen Shen
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Qiaoli Qu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Xiao Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, and Key Laboratory for Southwest Microbial Diversity of the Ministry of Education, Yunnan University, Kunming, People’s Republic of China
| | - Rucai Chen
- Department of Key Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Zhuo Wang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Run Ma
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Zaikun Xiong
- Department of Key Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
| | - Yuming Wang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China,Correspondence: Yuming Wang, Department of Clinical Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China, Tel +86 13708406058, Fax +86-0871-65334416, Email
| | - Pengfei Wang
- Department of Key Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China,Pengfei Wang, Department of Key Laboratory, The Second Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China, Tel +86 15288453604, Email
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Collis RM, Biggs PJ, Burgess SA, Midwinter AC, Brightwell G, Cookson AL. Prevalence and distribution of extended-spectrum β-lactamase and AmpC-producing Escherichia coli in two New Zealand dairy farm environments. Front Microbiol 2022; 13:960748. [PMID: 36033848 PMCID: PMC9403332 DOI: 10.3389/fmicb.2022.960748] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/25/2022] [Indexed: 11/13/2022] Open
Abstract
Antimicrobial resistance (AMR) is a global threat to human and animal health, with the misuse and overuse of antimicrobials being suggested as the main driver of resistance. In a global context, New Zealand (NZ) is a relatively low user of antimicrobials in animal production. However, the role antimicrobial usage on pasture-based dairy farms, such as those in NZ, plays in driving the spread of AMR within the dairy farm environment remains equivocal. Culture-based methods were used to determine the prevalence and distribution of extended-spectrum β-lactamase (ESBL)- and AmpC-producing Escherichia coli from farm environmental samples collected over a 15-month period from two NZ dairy farms with contrasting management practices. Whole genome sequencing was utilised to understand the genomic epidemiology and antimicrobial resistance gene repertoire of a subset of third-generation cephalosporin resistant E. coli isolated in this study. There was a low sample level prevalence of ESBL-producing E. coli (faeces 1.7%; farm dairy effluent, 6.7% from Dairy 4 and none from Dairy 1) but AmpC-producing E. coli were more frequently isolated across both farms (faeces 3.3% and 8.3%; farm dairy effluent 38.4%, 6.7% from Dairy 1 and Dairy 4, respectively). ESBL- and AmpC-producing E. coli were isolated from faeces and farm dairy effluent in spring and summer, during months with varying levels of antimicrobial use, but no ESBL- or AmpC-producing E. coli were isolated from bulk tank milk or soil from recently grazed paddocks. Hybrid assemblies using short- and long-read sequence data from a subset of ESBL- and AmpC-producing E. coli enabled the assembly and annotation of nine plasmids from six E. coli, including one plasmid co-harbouring 12 antimicrobial resistance genes. ESBL-producing E. coli were infrequently identified from faeces and farm dairy effluent on the two NZ dairy farms, suggesting they are present at a low prevalence on these farms. Plasmids harbouring several antimicrobial resistance genes were identified, and bacteria carrying such plasmids are a concern for both animal and public health. AMR is a burden for human, animal and environmental health and requires a holistic “One Health” approach to address.
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Affiliation(s)
- Rose M. Collis
- The Hopkirk Research Institute, AgResearch Ltd., Massey University, Palmerston North, New Zealand
- EpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
- Rose M. Collis,
| | - Patrick J. Biggs
- EpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
- School of Natural Sciences, Massey University, Palmerston North, New Zealand
- New Zealand Food Safety Science and Research Centre, Massey University, Palmerston North, New Zealand
| | - Sara A. Burgess
- EpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Anne C. Midwinter
- EpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Gale Brightwell
- The Hopkirk Research Institute, AgResearch Ltd., Massey University, Palmerston North, New Zealand
- New Zealand Food Safety Science and Research Centre, Massey University, Palmerston North, New Zealand
| | - Adrian L. Cookson
- The Hopkirk Research Institute, AgResearch Ltd., Massey University, Palmerston North, New Zealand
- EpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
- *Correspondence: Adrian L. Cookson,
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Güneri CÖ, Stingl K, Grobbel M, Hammerl JA, Kürekci C. Different fosA genes were found on mobile genetic elements in Escherichia coli from wastewaters of hospitals and municipals in Turkey. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153928. [PMID: 35182630 DOI: 10.1016/j.scitotenv.2022.153928] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 02/01/2022] [Accepted: 02/12/2022] [Indexed: 06/14/2023]
Abstract
AIMS The increasing number of globally established fosfomycin-resistant (FosR) Gram-negative bacteria inspired us to investigate the occurrence of FosREnterobacterales populations (esp. E. coli) in samples of city wastewater treatment plants (WWTPs) and hospital sewage in Hatay, Turkey. FosR target bacteria were further characterized for their clonal relatedness, resistomes and mobile genetic elements (MGEs) to evaluate their impact on fosfomycin resistance dissemination. METHODS A total of 44 samples from raw and treated waters of WWTPs as well as of two hospitals in the Hatay province were subjected to selective cultivation for recovering FosREnterobacterales. The presence of fosA was verified by PCR and Sanger amplicon sequencing. Detected E. coli were further evaluated against antimicrobial susceptibility-testing, macrorestriction profiling (PFGE) and whole-genome sequencing (WGS). Bioinformatics analysis was performed for genome subtyping (i.e., MLST, serotype), resistome/virulome determination and dissection of the genetic determinants of plasmidic fosA3/4 resistances. RESULTS Besides ten non-E. coli Enterobacterales, 29 E. coli were collected within this study. In silico-based subtyping revealed that E. coli isolates were assigned to six different serovars and 14 sequence types (ST), while O8:H21 and ST410 represented the major prevalent types, respectively. Fosfomycin resistance in the isolates was found to be mediated by the fosA4 (n = 18), fosA3 (n = 10) and fosA (n = 1), which are frequently associated with transmissible MGEs. Reconstruction of plasmid-associated fosA gene context revealed a linkage between the resistance cassette and IS6 (IS26 family) transposases, which might represent a major driver for the distribution of the genes and the generation of novel fosA-carrying plasmids. CONCLUSIONS The occurrence of plasmid-mediated, transmissible FosR in E. coli from wastewater pose a foreseeable threat to "One-Health". To minimize further spread of the resistances in bacterial populations associated with environmental, animal and human health further resistance monitoring and management strategies must be developed.
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Affiliation(s)
- Cansu Önlen Güneri
- Gulhane Vocational School of Health Services, University of Health Sciences, Ankara, Turkey
| | - Kerstin Stingl
- Unit of Campylobacter, Department of Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Mirjam Grobbel
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Jens Andre Hammerl
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Cemil Kürekci
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, Hatay, Turkey.
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10
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Liu F, Tian A, Wang J, Zhu Y, Xie Z, Zhang R, Jiang S. Occurrence and molecular epidemiology of fosA3-bearing Escherichia coli from ducks in Shandong province of China. Poult Sci 2022; 101:101620. [PMID: 34986446 PMCID: PMC8743214 DOI: 10.1016/j.psj.2021.101620] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 01/14/2023] Open
Abstract
The plasmid-borne fosfomycin resistance gene fosA3 has been identified in Escherichia coli (E. coli) from various animals but has rarely been reported in ducks. In this study, we investigated the fosA3 prevalence and molecular characteristics of fosA3-harboring E. coli strains from ducks in Shandong province of China. In 416 E. coli isolates, 91 (21.88%) were identified as fosA3-bearing strains, and the fosfomycin-resistant phenotype of 88 of the 91 fosA3-harboring strains was successfully transferred to the recipient strains. Seven different genetic structures surrounding the fosA3 gene were detected and 2 new contexts were discovered among the fosA3-carrying E. coli. Twenty fosA3-harboring isolates and their trans-conjugants were randomly selected for pulsed-field gel electrophoresis (PFGE) typing and S1-nuclease PFGE, respectively. The PFGE patterns revealed that the 20 randomly selected fosA3-bearing isolates were not a result of clonal dissemination. S1-PFGE showed that 15 of the 20 randomly selected trans-conjugants carried a single plasmid, and these 15 plasmids that harbored fosA3 (55-190 kb) were distributed into the following replicon types: IncF (n = 11), IncI1 (n = 1), IncN (n = 1), untypable (n = 1), and W-FIC (n = 1). Additionally, as vectors for fosA3 in E. coli, F-:A1:B6, N/ST1, IncI1/ST2, W-FIC, and one untypable plasmid had never been reported before. These observations highlighted the importance of ducks as a reservoir for multidrug-resistant fosA3-carrying E. coli.
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Affiliation(s)
- Fengzhi Liu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China
| | - Ang Tian
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China
| | - Jingyu Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China
| | - Yanli Zhu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China
| | - Zhijing Xie
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China
| | - Ruihua Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China.
| | - Shijin Jiang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271018, China.
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11
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Nagy BJ, Balázs B, Benmazouz I, Gyüre P, Kövér L, Kaszab E, Bali K, Lovas-Kiss Á, Damjanova I, Majoros L, Tóth Á, Bányai K, Kardos G. Comparison of Extended-Spectrum Beta-Lactamase-Producing Escherichia coli Isolates From Rooks (Corvus frugilegus) and Contemporary Human-Derived Strains: A One Health Perspective. Front Microbiol 2022; 12:785411. [PMID: 35095799 PMCID: PMC8792927 DOI: 10.3389/fmicb.2021.785411] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/09/2021] [Indexed: 12/14/2022] Open
Abstract
During winter, a large number of rooks gather and defecate at the park of a university clinic. We investigated the prevalence of extended-spectrum beta-lactamase (ESBL)–producing Escherichia coli in these birds and compared recovered isolates with contemporary human isolates. In 2016, fecal samples were collected from 112 trap-captured rooks and investigated for presence of ESBL producers using eosin methylene blue agar supplemented by 2 mg/L cefotaxime; 2,455 contemporary human fecal samples of patients of the clinics sent for routine culturing were tested similarly. In addition, 42 ESBL-producing E. coli isolates collected during the same period from inpatients were also studied. ESBL genes were sought for by PCR and were characterized by sequencing; E. coli ST131 clones were identified. Epidemiological relatedness was determined by pulsed-field gel electrophoresis and confirmed using whole genome sequencing in selected cases. Thirty-seven (33%) of sampled rooks and 42 (1.7%) of human stools yielded ESBL-producing E coli. Dominant genes were blaCTX–M–55 and blaCTX–M–27 in corvid, blaCTX–M–15 and blaCTX–M–27 in human isolates. ST162 was common among rooks. Two rook-derived E. coli belonged to ST131 C1-M27, which was also predominant (10/42) among human fecal and (15/42) human clinical isolates. Another potential link between rooks and humans was a single ST744 rook isolate grouped with one human fecal and three clinical isolates. Despite possible contact, genotypes shared between rooks and humans were rare. Thus, rooks are important as long-distance vectors and reservoirs of ESBL-producing E. coli rather than direct sources of infections to humans in our setting.
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Affiliation(s)
- Bálint József Nagy
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, Debrecen, Hungary
| | - Bence Balázs
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, Debrecen, Hungary
| | - Isma Benmazouz
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Nature Conservation, Zoology and Game Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Péter Gyüre
- Department of Nature Conservation, Zoology and Game Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - László Kövér
- Department of Nature Conservation, Zoology and Game Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Eszter Kaszab
- Institute for Veterinary Medical Research, Budapest, Hungary
| | - Krisztina Bali
- Institute for Veterinary Medical Research, Budapest, Hungary
| | - Ádám Lovas-Kiss
- Department for Tisza River Research, Centre for Ecological Research–DRI, Hungarian Academy of Sciences, Budapest, Hungary
| | | | - László Majoros
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Ákos Tóth
- National Public Health Center, Budapest, Hungary
| | - Krisztián Bányai
- Institute for Veterinary Medical Research, Budapest, Hungary
- Department of Pharmacology and Toxicology, University of Veterinary Medicine Budapest, Budapest, Hungary
| | - Gábor Kardos
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Pharmacology and Toxicology, University of Veterinary Medicine Budapest, Budapest, Hungary
- *Correspondence: Gábor Kardos,
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12
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Zhou W, Zhang E, Zhou J, He Z, Zhou Y, Han J, Qu D. Characterization and Comparative Genomics Analysis of lncFII Multi-Resistance Plasmids Carrying bla CTX - M and Type1 Integrons From Escherichia coli. Front Microbiol 2021; 12:753979. [PMID: 34867876 PMCID: PMC8637017 DOI: 10.3389/fmicb.2021.753979] [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: 08/05/2021] [Accepted: 10/29/2021] [Indexed: 11/25/2022] Open
Abstract
This research aimed to investigate the presence and transferability of the extended-spectrum β-lactamase resistance genes to identify the genetic context of multi-drug resistant (MDR) loci in two Escherichia coli plasmids from livestock and poultry breeding environment. MICs were determined by broth microdilution. A total of 137 E. coli resistant to extended-spectrum β-lactam antibiotics were screened for the presence of the ESBL genes by PCR. Only two E. coli out of 206 strains produced carbapenemases, including strain 11011 that produced enzyme A, and strain 417957 that produced enzyme B. The genes were blaKPC and blaNDM, respectively. The plasmids containing blaCTX–M were conjugatable, and the plasmids containing carbapenem resistance gene were not conjugatable. Six extended-spectrum β-lactamase resistance genes were detected in this research, including blaTEM, blaCTX–M, blaSHV, blaOAX–1, blaKPC, and blaNDM, and the detection rates were 94.89% (130/137), 92.7% (127/137), 24.81% (34/137), 20.43% (28/137), 0.72% (1/137), and 0.72% (1/137), respectively. Two conjugative lncFII multi-resistance plasmids carrying blaCTX–M, p11011-fosA and p417957-CTXM, were sequenced and analyzed. Both conjugative plasmids were larger than 100 kb and contained three accessory modules, including MDR region. The MDR region of the two plasmids contained many antibiotic resistance genes, including blaCTX–M, mph (A), dfrA17, aadA5, sul1, etc. After transfer, both the transconjugants displayed elevated MICs of the respective antimicrobial agents. A large number of resistance genes clusters in specific regions may contribute to the MDR profile of the strains. The presence of mobile genetic elements at the boundaries can possibly facilitate transfer among Enterobacteriaceae through inter-replicon gene transfer. Our study provides beta-lactam resistance profile of bacteria, reveals the prevalence of β-lactamase resistance genes in livestock and poultry breeding environment in Zhejiang Province, and enriches the research on IncFII plasmids containing blaCTX–M.
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Affiliation(s)
- Wei Zhou
- Zhejiang Provincial Center for Animal Disease Prevention and Control, Hangzhou, China
| | - Enbao Zhang
- Key Laboratory of Food Quality and Safety, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Jinzhi Zhou
- Zhejiang Provincial Center for Animal Disease Prevention and Control, Hangzhou, China
| | - Ze He
- Key Laboratory of Food Quality and Safety, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Yuqiao Zhou
- Key Laboratory of Food Quality and Safety, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Jianzhong Han
- Key Laboratory of Food Quality and Safety, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Daofeng Qu
- Key Laboratory of Food Quality and Safety, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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13
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Biggel M, Zurfluh K, Treier A, Nüesch-Inderbinen M, Stephan R. Characteristics of fosA-carrying plasmids in E. coli and Klebsiella spp. isolates originating from food and environmental samples. J Antimicrob Chemother 2021; 76:2004-2011. [PMID: 33842964 DOI: 10.1093/jac/dkab119] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/15/2021] [Indexed: 01/12/2023] Open
Abstract
OBJECTIVES Fosfomycin is an important antibiotic for the treatment of MDR Enterobacteriaceae infections. High susceptibility rates are, however, threatened by the spread of plasmids encoding fosfomycin-modifying enzymes. In this study, we sought to characterize the genetic context of fosA in plasmids from Escherichia coli and Klebsiella spp. isolates recovered from food, wastewater and surface water in Switzerland. METHODS E. coli and Klebsiella spp. isolates collected between 2012 and 2019 in Switzerland were screened for fosfomycin resistance. Presence of fosA was verified by PCR and sodium phosphonoformate (PPF) disc potentiation testing, and transferability was tested using conjugation assays. Whole-genome sequences including complete fosA-containing plasmids were determined using long- and short-read sequencing. RESULTS In 11 E. coli and two Klebsiella spp. isolates, high-level fosfomycin resistance was mediated by plasmids containing fosA3 (n = 12) or fosA8 (n = 1). Four isolates harboured a near-identical 45 kb IncN plasmid with fosA3, while replicon types varied in the remaining plasmids. The fosA genes were typically embedded in IS26-bounded transposition units and frequently located in the proximity of blaCTX-M transposition units. CONCLUSIONS Although fosfomycin resistance rates are currently low, the presence of fosA-encoding plasmids circulating in the Enterobacteriaceae population suggests that fosfomycin resistance may rapidly spread upon increased selection pressure. Transposition mobility of fosA and co-location on plasmids with other resistance genes may further promote its dissemination.
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Affiliation(s)
- Michael Biggel
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland
| | - Katrin Zurfluh
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland
| | - Andrea Treier
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland
| | - Magdalena Nüesch-Inderbinen
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland.,Swiss National Center for Enteropathogenic Bacteria and Listeria (NENT), University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 272, 8057 Zurich, Switzerland
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14
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Han L, Lu XQ, Liu XW, Liao MN, Sun RY, Xie Y, Liao XP, Liu YH, Sun J, Zhang RM. Molecular Epidemiology of Fosfomycin Resistant E. coli from a Pigeon Farm in China. Antibiotics (Basel) 2021; 10:antibiotics10070777. [PMID: 34202219 PMCID: PMC8300711 DOI: 10.3390/antibiotics10070777] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/23/2021] [Accepted: 06/23/2021] [Indexed: 01/08/2023] Open
Abstract
We determined the prevalence and molecular characteristics of fosfomycin-resistant Escherichia coli from a domestic pigeon farm. A total of 79 samples collected from pigeons and their surrounding environments were screened for the presence of fosfomycin resistant isolates and these included 49 E. coli isolates that displayed high-level resistance (MIC ≥ 256 mg L−1) and carried the fosA3 gene on plasmids with sizes ranging from 80 to 370 kb. MLST analysis of these fosA3-positive E. coli isolates indicated the presence of nine sequence types (ST6856, ST8804, ST457, ST746, ST533, ST165, ST2614, ST362 and ST8805) of which ST6856 was the most prevalent (24.5%, 12/49). PFGE combined with genomic context comparative analyses indicated that the fosA3 gene was spread by horizontal transfer as well as via clonal transmission between E. coli in the pigeon farm, and IS26 played an important role in fosA3 transmission. The high prevalence of fosA3 in the pigeon farm and the high similarity of the fosA3 genomic environment between E. coli isolates from humans and pigeons indicated that the pigeon farm served as a potential reservoir for human infections. The pigeon farm was found to be an important reservoir for the fosA3 gene and this should be further monitored.
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Affiliation(s)
- Lu Han
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Xiao-Qing Lu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Xu-Wei Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Mei-Na Liao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Ruan-Yang Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yao Xie
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Xiao-Ping Liao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Ya-Hong Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Rong-Min Zhang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (L.H.); (X.-Q.L.); (X.-W.L.); (M.-N.L.); (R.-Y.S.); (Y.X.); (X.-P.L.); (Y.-H.L.); (J.S.)
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Correspondence:
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15
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Zhang Z, Chang J, Xu X, Zhou M, Shi C, Liu Y, Shi X. Dissemination of IncFII plasmids carrying fosA3 and bla CTX-M-55 in clinical isolates of Salmonella enteritidis. Zoonoses Public Health 2021; 68:760-768. [PMID: 34089241 DOI: 10.1111/zph.12825] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 11/28/2022]
Abstract
Multidrug-resistant Salmonella Enteritidis (S. Enteritidis) isolates have become a significant threat to public health, and fosfomycin has been proposed as one of the therapeutic antibiotics for serious infections by resistant pathogens. In this study, a total of 501 clinical S. Enteritidis isolates were screened and 14 (2.8%) isolates exhibited resistance to fosfomycin (MIC ≥ 1,024 μg/mL) as well as ceftriaxone (MIC ≥ 128 μg/mL). The fosA3 gene was identified in these 14 isolates. The fosA3 gene that co-transferred with blaCTX-M-55 was observed on the IncFII plasmids with sizes of ~ 78 (n = 7) or ~ 111 (n = 2) kbp in 9 transconjugants. The fosA3-bearing plasmid p12367A is 111,764 bp in length and possessed a typical IncFII backbone. A 7.6-kbp multidrug resistance region (MRR) was identified in p12367A, which was comprised of fosA3 and blaCTX-M-55 genes interspersed with ΔISEcp1 and three copies of IS26. Two typical antibiotic resistance determinants (IS26-orf3-orf2-orf1-fosA3-IS26 and IS26-orf477-blaCTX-M-55 -ΔISEcp1-IS26) shared one IS26 in the MRR. The genetic arrangement of the MRR may have resulted from the stepwise integration of IS26 mobile elements via homologous recombination. Horizontal transfer of IncFII plasmids might contribute to the dissemination of fosA3 and blaCTX-M-55 resistance genes in S. Enteritidis interspecies. These findings underline further challenges for the prevention and treatment of Enterobacteriaceae infections posed by epidemic IncFII plasmids bearing fosA3-blaCTX-M-55 .
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Affiliation(s)
- Zengfeng Zhang
- Department of Food Science & Technology, School of Agriculture and Biology, State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China
| | - Jiang Chang
- Department of Food Science & Technology, School of Agriculture and Biology, State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China
| | - Xuebin Xu
- Laboratory of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Min Zhou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Chunlei Shi
- Department of Food Science & Technology, School of Agriculture and Biology, State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China
| | - Yanhong Liu
- Molecular Characterization of Foodborne Pathogens Research Unit, Eastern Regional Research Center, ARS-USDA, PA, USA
| | - Xianming Shi
- Department of Food Science & Technology, School of Agriculture and Biology, State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China
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16
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Burgess SA, Aplin J, Biggs PJ, Breckell G, Benschop J, Fayaz A, Toombs-Ruane LJ, Midwinter AC. Characterisation of AmpC and extended-spectrum beta-lactamase producing E. coli from New Zealand dairy farms. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.104998] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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17
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Zurfluh K, Treier A, Schmitt K, Stephan R. Mobile fosfomycin resistance genes in Enterobacteriaceae-An increasing threat. Microbiologyopen 2020; 9:e1135. [PMID: 33128341 PMCID: PMC7755807 DOI: 10.1002/mbo3.1135] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/25/2020] [Accepted: 10/12/2020] [Indexed: 01/01/2023] Open
Abstract
Antimicrobial resistance is one of the major threats to the health and welfare of both humans and animals. The shortage of new antimicrobial agents has led to the re-evaluation of old antibiotics such as fosfomycin as a potential regimen for treating multidrug-resistant bacteria especially extended-spectrum-beta-lactamase- and carbapenemase-producing Enterobacteriaceae. Fosfomycin is a broad-spectrum bactericidal antibiotic that inhibits the initial step of the cell wall biosynthesis. Fosfomycin resistance can occur due to mutation in the drug uptake system or by the acquisition of fosfomycin-modifying enzymes. In this review, we focus on mobile fosfomycin-resistant genes encoding glutathione-S-transferase which are mainly responsible for fosfomycin resistance in Enterobacteriaceae, that is, fosA and its subtypes, fosC2, and the recently described fosL1-L2. We summarized the proposed origins of the different resistance determinants and highlighted the different plasmid types which are attributed to the dissemination of fosfomycin-modifying enzymes. Thereby, IncF and IncN plasmids play a predominant role. The detection of mobile fosfomycin-resistant genes in Enterobacteriaceae has increased in recent years. Similar to the situation in (East) Asia, the most frequently detected fosfomycin-resistant gene in Europe is fosA3. Mobile fosfomycin-resistant genes have been detected in isolates of human, animal, food, and environmental origin which leads to a growing concern regarding the risk of spread of such bacteria, especially Escherichia coli and Salmonella, at the human-animal-environment interface.
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Affiliation(s)
- Katrin Zurfluh
- Institute for Food Safety and HygieneVetsuisse FacultyUniversity of ZurichZurichSwitzerland
| | - Andrea Treier
- Institute for Food Safety and HygieneVetsuisse FacultyUniversity of ZurichZurichSwitzerland
| | - Kira Schmitt
- Institute for Food Safety and HygieneVetsuisse FacultyUniversity of ZurichZurichSwitzerland
| | - Roger Stephan
- Institute for Food Safety and HygieneVetsuisse FacultyUniversity of ZurichZurichSwitzerland
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Yin D, Lin Y, Li Z, Ma H, Lu L, Wang K, Yang L, Du X, Li P, Qi K, Song H. Characterization of a Novel NDM-5-Harboring Plasmid from a Carbapenem-Resistant Escherichia coli Isolate from China. Infect Drug Resist 2020; 13:3929-3935. [PMID: 33173318 PMCID: PMC7646509 DOI: 10.2147/idr.s277997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/15/2020] [Indexed: 11/23/2022] Open
Abstract
Background A carbapenem-resistant Escherichia coli (sequence type 5415) strain was isolated from a male patient through routine surveillance in 2018 in Guangzhou, China. Materials and Methods Bacteria were isolated from a sputum culture and identified by using the Vitek 2 compact system. The blaNDM-5 gene was amplified and confirmed by sequencing. Antimicrobial susceptibility testing was determined by a Vitek 2 compact system. The blaNDM-5 gene was located by Southern blotting. Whole-genome sequencing was carried out using both Illumina MiSeq and Oxford Nanopore MinION. Results S1-PFGE and Southern blotting showed that the bla NDM-5 gene was located on a novel 66-kb IncFII [F2:A-:B-] plasmid. Conjugation assays revealed that the bla NDM-5-bearing plasmid was self-transferrable. Genomic sequencing and comparative analysis suggested that plasmid p2947-NDM5 likely originated from a combination of an IncFII-type backbone and the bla NDM-5 flanking genetic elements. Conclusion This is the first report of an ST5414 E. coli strain expressing an NDM-5 β-lactamase. This study highlights the genetic complexity of bla NDM-5 carrying plasmids and the urgent need for continuous active monitoring.
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Affiliation(s)
- Dongdong Yin
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China.,Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control College of Animal Science and Technology, Anhui Agricultural University, Hefei, People's Republic of China
| | - Yanfeng Lin
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China.,Institute for Disease Control and Prevention, AMMS, Beijing, People's Republic of China
| | - Zhonghong Li
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China.,College of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, People's Republic of China
| | - Hui Ma
- The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Lanfen Lu
- Department of Laboratory Diagnosis, Sun Yat-Sen University Affiliated Zhongshan Hospital, Zhongshan, People's Republic of China
| | - Kaiying Wang
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China.,Institute for Disease Control and Prevention, AMMS, Beijing, People's Republic of China
| | - Lang Yang
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China.,Institute for Disease Control and Prevention, AMMS, Beijing, People's Republic of China
| | - Xinying Du
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China
| | - Peng Li
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China
| | - Kezong Qi
- Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control College of Animal Science and Technology, Anhui Agricultural University, Hefei, People's Republic of China
| | - Hongbin Song
- Center for Disease Control and Prevention of PLA, Beijing, People's Republic of China
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19
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Zhang LJ, Gu XX, Zhang J, Yang L, Lu YW, Fang LX, Jiang HX. Characterization of a fosA3 Carrying IncC-IncN Plasmid From a Multidrug-Resistant ST17 Salmonella Indiana Isolate. Front Microbiol 2020; 11:1582. [PMID: 32793137 PMCID: PMC7385254 DOI: 10.3389/fmicb.2020.01582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 06/17/2020] [Indexed: 11/13/2022] Open
Abstract
The aim of this study was to investigate the characteristics of a fosA3 carrying IncC-IncN plasmid from a multidrug-resistant Salmonella isolate HNK130. HNK130 was isolated from a chicken and identified as ST17 Salmonella enterica serovar Indiana and exhibited resistance to 13 antibiotics including the cephalosporins and fosfomycin. S1 nuclease pulsed-field gel electrophoresis and Southern blot assays revealed that HNK130 harbored only one ∼180-kb plasmid carrying fosA3 and bla CTX-M-14, which was not transferable via conjugation. We further examined 107 Escherichia coli electro-transformants and identified 3 different plasmid variants, pT-HNK130-1 (69), pT-HNK130-2 (15), and pT-HNK130-3 (23), in which pT-HNK130-1 seemed to be the same as the plasmid harbored in HNK130. We completely sequenced an example of each of these variants, and all three variants were IncC-IncN multi-incompatible plasmid and showed a mosaic structure. The fosA3 gene was present in all three and bounded by IS26 elements in the same orientation (IS26-322bp-fosA3-1758bp-IS26) that could form a minicircle containing fosA3. The bla CTX-M-14 gene was located within an IS15DI-ΔIS15DI-iroN-IS903B-bla CTX-M-14 -ΔISEcp1-IS26 structure separated from the fosA3 gene in pT-HNK130-1, but was adjacent to fosA3 in pT-HNK130-3 in an inverted orientation. Linear comparison of the three variants showed that pT-HNK130-2 and pT-HNK130-3 resulted from the sequence deletion and inversion of pT-HNK130-1. Stability tests demonstrated that pT-HNK130-1 and pT-HNK130-3 could be stably maintained in the transformants without antibiotic selection but pT-HNK130-2 was unstable. This is the first description of an IncC-IncN hybrid plasmid from an ST17 S. Indiana strain and indicates that this plasmid may further facilitate dissemination of fosfomycin and cephalosporin resistance in Salmonella.
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Affiliation(s)
- Li-Juan Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Xi-Xi Gu
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jie Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ling Yang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yue-Wei Lu
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Liang-Xing Fang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Hong-Xia Jiang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
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20
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He DD, Zhao SY, Wu H, Hu GZ, Zhao JF, Zong ZY, Pan YS. Antimicrobial resistance-encoding plasmid clusters with heterogeneous MDR regions driven by IS26 in a single Escherichia coli isolate. J Antimicrob Chemother 2020; 74:1511-1516. [PMID: 30820562 DOI: 10.1093/jac/dkz044] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 12/27/2018] [Accepted: 01/08/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND IS26-flanked transposons played an increasingly important part in the mobilization and development of resistance determinants. Heterogeneous resistance-encoding plasmid clusters with polymorphic MDR regions (MRRs) conferred by IS26 in an individual Escherichia coli isolate have not yet been detected. OBJECTIVES To characterize the complete sequence of a novel blaCTX-M-65- and fosA3-carrying IncZ-7 plasmid with dynamic MRRs from an E. coli isolate, and to depict the mechanism underlying the spread of resistance determinants and genetic polymorphisms. METHODS The molecular characterization of a strain carrying blaCTX-M-65 and fosA3 was analysed by antimicrobial susceptibility testing and MLST. The transferability of a plasmid bearing blaCTX-M-65 and fosA3 was determined by conjugation assays, and the complete structure of the plasmid was obtained by Illumina, PacBio and conventional PCR mapping, respectively. The circular forms derived from IS26-flanked transposons were detected by reverse PCR and sequencing. RESULTS A novel IncZ-7 plasmid pEC013 (∼118kb) harbouring the blaCTX-M-65 and fosA3 genes was recovered from E. coli isolate EC013 belonging to D-ST117. The plasmid was found to have heterogeneous and dynamic MRRs in an individual strain and the IS26-flanked composite transposon-derived circular intermediates were identified and characterized in pEC013. CONCLUSIONS The heterogeneous MRRs suggested that a single plasmid may actually be a cluster of plasmids with the same backbone but varied MRRs, reflecting the plasmid's heterogeneity and the survival benefits of having a response to antimicrobial-related threatening conditions in an individual strain.
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Affiliation(s)
- Dan Dan He
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Shi Yu Zhao
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Hua Wu
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Gong Zheng Hu
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Jin Feng Zhao
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Zhi Yong Zong
- West China Hospital, Sichuan University, Chengdu, China
| | - Yu Shan Pan
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
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21
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Chen L, Ou B, Zhang M, Chou CH, Chang SK, Zhu G. Coexistence of Fosfomycin Resistance Determinant fosA and fosA3 in Enterobacter cloacae Isolated from Pets with Urinary Tract Infection in Taiwan. Microb Drug Resist 2020; 27:415-423. [PMID: 32667841 DOI: 10.1089/mdr.2020.0077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
To analyze the characteristics of fosA and fosA3 in Enterobacter cloacae isolated from aspirated and catheterized urine culture specimens of companion pets in Taiwan. A total of 19 E. cloacae isolates from pets with urinary tract infection were screened for the presence of fosA, fosA3, and fosC2 and for the genetic context of them by PCR amplification and sequencing. The transferability, resistance phenotypes, plasmid replicon typing properties and genetic environments of fosA- and/or fosA3-positive strains were characterized. Five E. cloacae isolates were positive for fosA and three coharbored fosA and fosA3. No fosC determinant was detected. Transconjugants of fosA3 were successfully acquired, while the acquisition of fosA transconjugants was failed. The minimum inhibitory concentrations (MICs) of the three fosA3-positive isolates and their transconjugants were ≥256 mg/L, whereas the MICs of the five fosA-positive isolates ranged from 64 mg/L to 256 mg/L. Three plasmid replicons (InCFrepB, InCL/M, and InCHI2) were identified in fosA- and fosA3-positive E. cloacae isolates. Different genetic contexts lay in the downstream region of fosA and fosA3, respectively. Eight distinct patterns based on the similarity value of more than 80% were typed for all the 8 fosA-positive isolates. In conclusion, the fosA concomitant with fosA3 were found in E. cloacae isolates. The fosA3 not only exhibits stronger activity of inactivating fosfomycin than fosA but also possesses stronger potential to spread than fosA. Different genetic backgrounds exist in these fosA- and fosA3-positive isolates, and different mobile elements may confer the dissemination of fosA and fosA3.
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Affiliation(s)
- Lin Chen
- School of Veterinary Medicine, Jiangsu Agri-animal Husbandry Vocational College, Taizhou, China
| | - Bingming Ou
- College of Life Science, Zhaoqing University, Zhaoqing, China.,College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Minyu Zhang
- College of Life Science, Zhaoqing University, Zhaoqing, China
| | - Chung-Hsi Chou
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Shao-Kuang Chang
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Guoqiang Zhu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
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22
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Williams PC. Potential of fosfomycin in treating multidrug-resistant infections in children. J Paediatr Child Health 2020; 56:864-872. [PMID: 32294306 DOI: 10.1111/jpc.14883] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/11/2020] [Accepted: 03/15/2020] [Indexed: 01/12/2023]
Abstract
In an era of increasing antimicrobial resistance, there are limited treatment options available to treat multidrug-resistant organisms in paediatric patients. Fosfomycin is an antibiotic defined as 'critically important' by The World Health Organization due to its potential efficacy against multidrug-resistant bacteria and is increasingly cited in the international literature as a promising antimicrobial for combating sepsis in an era of increasing antimicrobial resistance. With broad-spectrum cover that includes both Gram-positive and Gram-negative organisms and both parenteral and oral formulations available, fosfomycin provides a promising treatment option for paediatric patients. This review summarises fosfomycin's spectrum of activity, published efficacy in paediatric patients, safety considerations and pharmacokinetic data, as well as identifying current clinical trials delineating pharmacokinetic parameters and safety parameters in neonatal sepsis which will provide further information regarding the use of fosfomycin in neonatal and paediatric infections. Limitations regarding the current standards for fosfomycin susceptibility definitions, variations in dosing regimens and the potential mechanisms for resistance are also discussed.
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Affiliation(s)
- Phoebe Cm Williams
- Department of Infectious Diseases and Immunology, Sydney Children's Hospital, Sydney, New South Wales, Australia.,Nuffield Department of Medicine, The University of Oxford, Headington, UK
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23
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Dantas Palmeira J, Ferreira HMN. Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae in cattle production - a threat around the world. Heliyon 2020; 6:e03206. [PMID: 32042963 PMCID: PMC7002838 DOI: 10.1016/j.heliyon.2020.e03206] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/01/2019] [Accepted: 01/09/2020] [Indexed: 01/19/2023] Open
Abstract
Food producing animal is a global challenge in terms of antimicrobial resistance spread. Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae are relevant opportunistic pathogens that may spread in many ecological niches of the One Health approach as human, animal and environment due to intestinal selection of antimicrobial resistant commensals in food production animals. Cattle production is a relevant ecological niche for selection of commensal bacteria with antimicrobial resistance from microbiota. Enterobacteriaceae show importance in terms of circulation of resistant-bacteria and antimicrobial resistance genes via food chain creating a resistance reservoir, setting up a threat for colonization of humans and consequent health risk. ESBL-producing Enterobacteriaceae are a threat in terms of human health responsible for life threatening outbreaks and silent enteric colonization of community populations namely the elder population. Food associated colonization is a risk difficult to handle and control. In a time of globalization of food trading, population intestinal colonization is a mirror of food production and in that sense this work aims to make a picture of ESBL-producing Enterobacteriaceae in animal production for food over the world in order to make some light in this reality of selection of resistant threats in food producing animal.
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Affiliation(s)
- Josman Dantas Palmeira
- Microbiology - Biological Sciences Department, Faculty of Pharmacy, University of Porto, Porto, Portugal.,UCIBIO - Research Unit on Applied Molecular Biosciences, REQUIMTE, Portugal
| | - Helena Maria Neto Ferreira
- Microbiology - Biological Sciences Department, Faculty of Pharmacy, University of Porto, Porto, Portugal.,UCIBIO - Research Unit on Applied Molecular Biosciences, REQUIMTE, Portugal
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24
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Bogomazova AN, Gordeeva VD, Krylova EV, Soltynskaya IV, Davydova EE, Ivanova OE, Komarov AA. Mega-plasmid found worldwide confers multiple antimicrobial resistance in Salmonella Infantis of broiler origin in Russia. Int J Food Microbiol 2019; 319:108497. [PMID: 31927155 DOI: 10.1016/j.ijfoodmicro.2019.108497] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 11/08/2019] [Accepted: 12/20/2019] [Indexed: 01/06/2023]
Abstract
Plasmids which are the mobile part of the bacterial genome can acquire and carry over genes conferring antimicrobial resistance, thus contributing to rapid adaptation of bacterial community to human-defined environment. In 2014, Israeli scientists have reported a large conjugative mega-plasmid pESI (plasmid for emerging S. Infantis) that provides multiple drug resistance (MDR) of Salmonella Infantis isolated from broilers. Later, very similar pESI-like plasmids have been found in Salmonella isolated from poultry in the United States, Italy, Switzerland, Hungary, and Japan. Here we report detection of pESI-like plasmids in Salmonella Infantis isolated from chicken food products in Russia. Whole genome sequencing of three MDR isolates revealed pESI-like plasmids in all three cases. These plasmids have such typical pESI features as a locus for siderophore yersiniabactin, a cluster of IncI1 conjugative genes, a cluster of type IV pilus genes, and three toxin-antitoxin modules. The pESI-like plasmids carry from two to five resistance genes in each isolate. In total, we observed six antimicrobial resistance genes associated with pESI-like plasmids (aadA1, blaCTX-M-14, dfrA14, sul1, tetA/tetR, tetM). Besides plasmid genes of antimicrobial resistance, all three MDR isolates of S. Infantis harbor a mutation in chromosomal gene gyrA (p.S83Y or p.D87Y) that is associated with resistance to fluoroquinolones. In addition, we performed a comparative bioinformatics meta-analysis of 25 pESI-like plasmids hosted by S. Infantis from the USA, Europe, Latin America, Israel, and Japan. This analysis identified a 173 kB sequence that is common for all pESI-like plasmids and carries virulence operons and toxin-antitoxin modules.
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Affiliation(s)
- Alexandra N Bogomazova
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia.
| | - Veronika D Gordeeva
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
| | - Ekaterina V Krylova
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
| | - Irina V Soltynskaya
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
| | - Ekaterina E Davydova
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
| | - Olga E Ivanova
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
| | - Alexander A Komarov
- The Russian State Center for Animal Feed and Drug Standardization and Quality (FGBU "VGNKI"), Zvenigorodskoe shosse 5, Moscow 132022, Russia
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25
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Gardiner BJ, Stewardson AJ, Abbott IJ, Peleg AY. Nitrofurantoin and fosfomycin for resistant urinary tract infections: old drugs for emerging problems. Aust Prescr 2019; 42:14-19. [PMID: 30765904 DOI: 10.18773/austprescr.2019.002] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Uncomplicated urinary tract infection is one of the most common indications for antibiotic use in the community However the Gram-negative organisms that can cause the infection are becoming more resistant to antibiotics Many multidrug resistant organisms retain susceptibility to two old antibiotics nitrofurantoin and fosfomycin Advantages over newer drugs include their high urinary concentrations and minimal toxicity Fosfomycin is a potential treatment option for patients with uncomplicated urinary tract infection due to resistant organisms Nitrofurantoin may be more effective and can be used for urinary infections in pregnant women
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Affiliation(s)
- Bradley J Gardiner
- Department of Infectious Disease, Alfred Health and Central Clinical School, Monash University, Melbourne.,Department of Medical Microbiology and Infectious Diseases, Research and Development Unit, Erasmus Medical Centre, Rotterdam, The Netherlands.,Biomedicine Discovery Institute, Department of Microbiology, Monash University, Melbourne
| | - Andrew J Stewardson
- Department of Infectious Disease, Alfred Health and Central Clinical School, Monash University, Melbourne.,Department of Medical Microbiology and Infectious Diseases, Research and Development Unit, Erasmus Medical Centre, Rotterdam, The Netherlands.,Biomedicine Discovery Institute, Department of Microbiology, Monash University, Melbourne
| | - Iain J Abbott
- Department of Infectious Disease, Alfred Health and Central Clinical School, Monash University, Melbourne.,Department of Medical Microbiology and Infectious Diseases, Research and Development Unit, Erasmus Medical Centre, Rotterdam, The Netherlands.,Biomedicine Discovery Institute, Department of Microbiology, Monash University, Melbourne
| | - Anton Y Peleg
- Department of Infectious Disease, Alfred Health and Central Clinical School, Monash University, Melbourne.,Department of Medical Microbiology and Infectious Diseases, Research and Development Unit, Erasmus Medical Centre, Rotterdam, The Netherlands.,Biomedicine Discovery Institute, Department of Microbiology, Monash University, Melbourne
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26
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Abstract
Multidrug resistance in Escherichia coli has become a worrying issue that is increasingly observed in human but also in veterinary medicine worldwide. E. coli is intrinsically susceptible to almost all clinically relevant antimicrobial agents, but this bacterial species has a great capacity to accumulate resistance genes, mostly through horizontal gene transfer. The most problematic mechanisms in E. coli correspond to the acquisition of genes coding for extended-spectrum β-lactamases (conferring resistance to broad-spectrum cephalosporins), carbapenemases (conferring resistance to carbapenems), 16S rRNA methylases (conferring pan-resistance to aminoglycosides), plasmid-mediated quinolone resistance (PMQR) genes (conferring resistance to [fluoro]quinolones), and mcr genes (conferring resistance to polymyxins). Although the spread of carbapenemase genes has been mainly recognized in the human sector but poorly recognized in animals, colistin resistance in E. coli seems rather to be related to the use of colistin in veterinary medicine on a global scale. For the other resistance traits, their cross-transfer between the human and animal sectors still remains controversial even though genomic investigations indicate that extended-spectrum β-lactamase producers encountered in animals are distinct from those affecting humans. In addition, E. coli of animal origin often also show resistances to other-mostly older-antimicrobial agents, including tetracyclines, phenicols, sulfonamides, trimethoprim, and fosfomycin. Plasmids, especially multiresistance plasmids, but also other mobile genetic elements, such as transposons and gene cassettes in class 1 and class 2 integrons, seem to play a major role in the dissemination of resistance genes. Of note, coselection and persistence of resistances to critically important antimicrobial agents in human medicine also occurs through the massive use of antimicrobial agents in veterinary medicine, such as tetracyclines or sulfonamides, as long as all those determinants are located on the same genetic elements.
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27
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Cyoia PS, Koga VL, Nishio EK, Houle S, Dozois CM, de Brito KCT, de Brito BG, Nakazato G, Kobayashi RKT. Distribution of ExPEC Virulence Factors, bla CTX-M, fosA3, and mcr-1 in Escherichia coli Isolated From Commercialized Chicken Carcasses. Front Microbiol 2019; 9:3254. [PMID: 30692971 PMCID: PMC6339928 DOI: 10.3389/fmicb.2018.03254] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 12/14/2018] [Indexed: 12/22/2022] Open
Abstract
Pathogenic Escherichia coli found in humans and poultry carcasses harbor similar virulence and resistance genes. The present study aimed to analyze the distribution of extraintestinal pathogenic E. coli (ExPEC) virulence factors (VF), blaCTX−M groups, fosA3, and mcr-1 genes in E. coli isolated from commercialized chicken carcasses in southern Brazil and to evaluate their pathogenic risk. A total of 409 E. coli strains were isolated and characterized for genes encoding virulence factors described in ExPEC. Results of antimicrobial susceptibility testing confirmed that the strains were resistant to β-lactams, fosfomycin, colistin, and others resistance groups. The highest prevalence of VFs was observed in isolates belonging to the CTX-M groups, especially the CTX-M-2 group, when compared to those in other susceptible strains or strains with different mechanisms of resistance. Furthermore, ESBL strains were found to be 1.40 times more likely to contain three to five ExPEC virulence genes than non-ESBL strains. Our findings revealed the successful conjugation between ESBL-producing E. coli isolated from chicken carcass and the E. coli recipient strain J53, which suggested that genetic determinants encoding CTX-M enzymes may have originated from animals and could be transmitted to humans via food chain. In summary, chicken meat is a potential reservoir of MDR E. coli strains harboring resistance and virulence genes that could pose serious risks to human public health.
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Affiliation(s)
- Paula Signolfi Cyoia
- Department of Microbiology, Center of Sciences Biological, Universidade Estadual de Londrina, Londrina, Brazil
| | - Vanessa Lumi Koga
- Department of Microbiology, Center of Sciences Biological, Universidade Estadual de Londrina, Londrina, Brazil
| | - Erick Kenji Nishio
- Department of Microbiology, Center of Sciences Biological, Universidade Estadual de Londrina, Londrina, Brazil
| | - Sébastien Houle
- Institut Armand-Frappier, Institut National de la Recherche Scientifique, Laval, QC, Canada
| | - Charles M Dozois
- Institut Armand-Frappier, Institut National de la Recherche Scientifique, Laval, QC, Canada
| | - Kelly Cristina Tagliari de Brito
- Avian Health Laboratory & Technical Innovation, Institute of Veterinary Research Desiderio Finamor (IPVDF), Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Benito Guimarães de Brito
- Avian Health Laboratory & Technical Innovation, Institute of Veterinary Research Desiderio Finamor (IPVDF), Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Gerson Nakazato
- Department of Microbiology, Center of Sciences Biological, Universidade Estadual de Londrina, Londrina, Brazil
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28
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Aghamali M, Sedighi M, Zahedi Bialvaei A, Mohammadzadeh N, Abbasian S, Ghafouri Z, Kouhsari E. Fosfomycin: mechanisms and the increasing prevalence of resistance. J Med Microbiol 2019; 68:11-25. [PMID: 30431421 DOI: 10.1099/jmm.0.000874] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
There are challenges regarding increased global rates of microbial resistance and the emergence of new mechanisms that result in microorganisms becoming resistant to antimicrobial drugs. Fosfomycin is a broad-spectrum bactericidal antibiotic effective against Gram-negative and certain Gram-positive bacteria, such as Staphylococci, that interfere with cell wall synthesis. During the last 40 years, fosfomycin has been evaluated in a wide range of applications and fields. Although numerous studies have been done in this area, there remains limited information regarding the prevalence of resistance. Therefore, in this review, we focus on the available data concerning the mechanisms and increasing resistance regarding fosfomycin.
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Affiliation(s)
- Mina Aghamali
- 1Department of Microbiology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mansour Sedighi
- 2Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abed Zahedi Bialvaei
- 2Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nima Mohammadzadeh
- 2Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sara Abbasian
- 2Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Ghafouri
- 3Department of Biochemistry, Biophysics and Genetics, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ebrahim Kouhsari
- 2Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Collis RM, Burgess SA, Biggs PJ, Midwinter AC, French NP, Toombs-Ruane L, Cookson AL. Extended-Spectrum Beta-Lactamase-Producing Enterobacteriaceae in Dairy Farm Environments: A New Zealand Perspective. Foodborne Pathog Dis 2018; 16:5-22. [PMID: 30418042 DOI: 10.1089/fpd.2018.2524] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Antimicrobial resistance (AMR) is a global issue for both human and animal health. Infections caused by antimicrobial-resistant bacteria present treatment option challenges and are often associated with heightened severity of infection. Antimicrobial use (AMU) in human and animal health is a main driver for the development of antimicrobial-resistant bacteria. Increasing levels of AMU and the development and spread of AMR in food-producing animals, especially in poultry and swine production, has been identified as a food safety risk, but dairy production systems have been less studied. A number of farm management practices may impact on animal disease and as a result can influence the use of antimicrobials and subsequently AMR prevalence. However, this relationship is multifactorial and complex. Several AMR transmission pathways between dairy cattle, the environment, and humans have been proposed, including contact with manure-contaminated pastures, direct contact, or through the food chain from contaminated animal-derived products. The World Health Organization has defined a priority list for selected bacterial pathogens of concern to human health according to 10 criteria relating to health and AMR. This list includes human pathogens such as the extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E), which can be associated with dairy cattle, their environment, as well as animal-derived food products. ESBL-E represent a potential risk to human and animal health and an emerging food safety concern. This review addresses two areas; first, the current understanding of the role of dairy farming in the prevalence and spread of AMR is considered, highlighting research gaps using ESBL-E as an exemplar; and second, a New Zealand perspective is taken to examine how farm management practices may contribute to on-farm AMU and AMR in dairy cattle.
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Affiliation(s)
- Rose M Collis
- 1 AgResearch Ltd, Hopkirk Research Institute, Massey University, Palmerston North, New Zealand.,2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Sara A Burgess
- 2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Patrick J Biggs
- 2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand.,3 Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand. Massey University, Palmerston North, New Zealand.,4 New Zealand Food Safety Science and Research Centre, Massey University, Palmerston North, New Zealand
| | - Anne C Midwinter
- 2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Nigel P French
- 2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand.,4 New Zealand Food Safety Science and Research Centre, Massey University, Palmerston North, New Zealand
| | - Leah Toombs-Ruane
- 2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Adrian L Cookson
- 1 AgResearch Ltd, Hopkirk Research Institute, Massey University, Palmerston North, New Zealand.,2 Molecular Epidemiology and Veterinary Public Health Laboratory (mEpiLab), Infectious Disease Research Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand
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Hayashi W, Ohsaki Y, Taniguchi Y, Koide S, Kawamura K, Suzuki M, Kimura K, Wachino JI, Nagano Y, Arakawa Y, Nagano N. High prevalence of blaCTX-M-14 among genetically diverse Escherichia coli recovered from retail raw chicken meat portions in Japan. Int J Food Microbiol 2018; 284:98-104. [DOI: 10.1016/j.ijfoodmicro.2018.08.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 07/31/2018] [Accepted: 08/03/2018] [Indexed: 01/27/2023]
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Shi L, Feng J, Zhan Z, Zhao Y, Zhou H, Mao H, Gao Y, Zhang Y, Yin Z, Gao B, Tong Y, Luo Y, Zhang D, Zhou D. Comparative analysis of bla KPC-2- and rmtB-carrying IncFII-family pKPC-LK30/pHN7A8 hybrid plasmids from Klebsiella pneumoniae CG258 strains disseminated among multiple Chinese hospitals. Infect Drug Resist 2018; 11:1783-1793. [PMID: 30349335 PMCID: PMC6188201 DOI: 10.2147/idr.s171953] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Background We recently reported the complete sequence of a blaKPC-2- and rmtB-carrying IncFII-family plasmid p675920-1 with the pKPC-LK30/pHN7A8 hybrid structure. Comparative genomics of additional sequenced plasmids with similar hybrid structures and their prevalence in blaKPC-carrying Klebsiella pneumoniae strains from China were investigated in this follow-up study. Methods A total of 51 blaKPC-carrying K. pneumoniae strains were isolated from 2012 to 2016 from five Chinese hospitals and genotyped by multilocus sequence typing. The blaKPC-carrying plasmids from four representative strains were sequenced and compared with p675920-1 and pCT-KPC. Plasmid transfer, carbapenemase activity determination, and bacterial antimicrobial susceptibility test were performed to characterize resistance phenotypes mediated by these plasmids. The prevalence of pCT-KPC-like plasmids in these blaKPC-carrying K. pneumoniae strains was screened by PCR. Result The six KPC-encoding plasmids p1068-KPC, p20049-KPC, p12139-KPC and p64917-KPC (sequenced in this study) and p675920-1 and pCT-KPC slightly differed from one another due to deletion and acquisition of various backbone and accessory regions. Two major accessory resistance regions, which included the blaKPC-2 region harboring blaKPC-2 (carbapenem resistance) and blaSHV-12 (β-lactam resistance), and the MDR region carrying rmtB (aminoglycoside resistance), fosA3 (fosfomycin resistance), blaTEM-1B (β-lactam resistance) and blaCTX-M-65 (β-lactam resistance), were found in each of these six plasmids and exhibited several parallel evolution routes. The pCT-KPC-like plasmids were present in all the 51 K. pneumoniae isolates, all of which belonged to CG258. Conclusion There was clonal dissemination of K. pneumoniae CG258 strains, harboring blaKPC-2- and rmtB-carrying IncFII-family pKPC-LK30/pHN7A8 hybrid plasmids, among multiple Chinese hospitals.
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Affiliation(s)
- Lining Shi
- Institute of Medical Laboratory Sciences, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Jiao Feng
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
| | - Zhe Zhan
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
| | - Yuzong Zhao
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, , .,College of Food Science & Project Engineering, Bohai University, Jinzhou 121013, China,
| | - Haijian Zhou
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Haifeng Mao
- Department of Laboratory Medicine, The First People's Hospital of Lianyungang, Lianyungang 222002, China
| | - Yingjie Gao
- College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Ying Zhang
- Medical Laboratory Center, Chinese People's Liberation Army General Hospital, Beijing 100085, China
| | - Zhe Yin
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
| | - Bo Gao
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
| | - Yigang Tong
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
| | - Yanping Luo
- Medical Laboratory Center, Chinese People's Liberation Army General Hospital, Beijing 100085, China
| | - Defu Zhang
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, , .,College of Food Science & Project Engineering, Bohai University, Jinzhou 121013, China,
| | - Dongsheng Zhou
- State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China, ,
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Madec JY, Haenni M. Antimicrobial resistance plasmid reservoir in food and food-producing animals. Plasmid 2018; 99:72-81. [PMID: 30194944 DOI: 10.1016/j.plasmid.2018.09.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/24/2018] [Accepted: 09/03/2018] [Indexed: 02/07/2023]
Abstract
Antimicrobial resistance (AMR) plasmids have been recognized as important vectors for efficient spread of AMR phenotypes. The food reservoir includes both food-producing animals and food products, and a huge diversity of AMR plasmids have been reported in this sector. Based on molecular typing methods and/or whole genome sequencing approaches, certain AMR genes/plasmids combinations were found more frequently in food compared to other settings. However, the food source of a definite AMR plasmid is highly complex to confirm due to cross-sectorial transfers and international spread of AMR plasmids. For risk assessment purposes related to human health, AMR plasmids found in food and bearing genes conferring resistances to critically important antibiotics in human medicine - such as to extended-spectrum cephalosporins, carbapenems or colistin - have been under specific scrutiny these last years. Those plasmids are often multidrug resistant and their dissemination can be driven by the selective pressure exerted by any of the antibiotics concerned. Also, AMR plasmids carry numerous other genes conferring vital properties to the bacterial cell and are recurrently subjected to evolutionary steps such as hybrid plasmids, making the epidemiology of AMR plasmids in food a moving picture.
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Affiliation(s)
- Jean-Yves Madec
- Unité Antibiorésistance et Virulence Bactériennes, Anses Laboratoire de Lyon - Université de Lyon, Lyon, France
| | - Marisa Haenni
- Unité Antibiorésistance et Virulence Bactériennes, Anses Laboratoire de Lyon - Université de Lyon, Lyon, France.
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Chen J, Wang D, Ding Y, Zhang L, Li X. Molecular Epidemiology of Plasmid-Mediated Fosfomycin Resistance Gene Determinants in Klebsiella pneumoniae Carbapenemase-Producing Klebsiella pneumoniae Isolates in China. Microb Drug Resist 2018; 25:251-257. [PMID: 30113251 DOI: 10.1089/mdr.2018.0137] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae has become a serious problem because the species is wide ranging and there are few treatment options. Fosfomycin has attracted renewed interest in combination therapy for infections caused by KPC-producing K. pneumoniae isolates. Because of the increasing use of fosfomycin, resistant isolates have been continually reported in carbapenem-resistant K. pneumoniae (CRKP). At present, multiple mechanisms can result in fosfomycin resistance. However, there is limited knowledge with respect to plasmid-mediated fosfomycin resistance gene (fosA3) determinants in KPC-producing K. pneumoniae isolates. In this study, a total of 101 CRKP strains were collected from four hospitals in Zhejiang province from January 2013 to August 2014; 28.7% (29/101) of CRKP isolates were resistant to fosfomycin. Gene fosA3 was detected in 29 fosfomycin-resistant KPC-producing K. pneumoniae isolates, whereas genes fosA, fosB, fosB2, fosC, fosC2, and fosX were all negative among the resistant isolates. In addition, among 29 fosfomycin-resistant KPC-producing K. pneumoniae isolates, pulsed-field gel electrophoresis (PFGE) analysis revealed five pulsotypes. S1-PFGE and Southern blot showed that the fosA3 gene was located on an approximately 140-kb plasmid in all isolates. Eight of the 29 isolates (27.6%) tested could successfully transfer their fosfomycin-resistant phenotype to Escherichia coli strain J53. All fosA3-positive isolates were determined to have an identical genetic background, IS26-tetR-cadC-orf1-fosA3-IS26, which is the same as that of the fosA3-positive plasmid pFOS18 in China. The primary resistance mechanism to fosfomycin was caused by a plasmid-mediated fosA3. Furthermore, it is noteworthy that the plasmid genetically carrying a combination of the fosA3 and blaKPC-2 genes could accelerate the spread of antibiotic resistance. Effective and persistent monitoring and surveillance will be vital to prevent further dissemination of these resistance genes.
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Affiliation(s)
- Jinyun Chen
- 1 Clinical Laboratory, The First People's Hospital of Fuyang , Hangzhou, China
| | - Dairong Wang
- 2 Blood Center of Zhejiang Province , Hangzhou, China
| | - Yueping Ding
- 3 Department of Intensive Care Unit, The Second Affiliated Hospital of Zhejiang Chinese Medical University , Hangzhou, China
| | - Lei Zhang
- 4 Centre of Laboratory Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College , Hangzhou, China
| | - Xi Li
- 4 Centre of Laboratory Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College , Hangzhou, China
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Occurrence and characterisation of ESBL-encoding plasmids among Escherichia coli isolates from fresh vegetables. Vet Microbiol 2018; 219:63-69. [PMID: 29778206 DOI: 10.1016/j.vetmic.2018.03.028] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/22/2018] [Accepted: 03/28/2018] [Indexed: 01/11/2023]
Abstract
Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates have been increasingly reported in different reservoirs. The aims of this study were to investigate the presence of ESBL-producing E. coli in fresh vegetables and to characterise their ESBL gene-carrying plasmids. Among the 245 samples from vegetables investigated during 2011-2013, seven putative ESBL-producing E. coli (salad n = 2, sprouts n = 5) were found. They were subjected to ESBL phenotypic confirmatory tests, detection/sequencing of ESBL genes, antimicrobial susceptibility testing (AST), phylotyping, XbaI-macrorestriction analysis, multilocus sequence typing and transformation. Transformants were characterised by AST, S1-nuclease PFGE, replicon typing, conjugation and investigated for co-located antimicrobial resistance genes. Two ESBL gene-carrying plasmids were sequenced using a HiSeq 2500 system. The seven isolates were confirmed as ESBL producers, displayed unrelated XbaI-patterns and unique sequence types (STs) and belonged to the phylogroups A, B1 or D. The ESBL genes were located on plasmids. Two plasmids carrying blaCTX-M-14 genes (incompatibility group IncK or IncHI2) were seen in isolates from salad (ST973) and sprout (ST527). Two blaCTX-M-15- (IncFIB; non-typeable) and the IncN blaCTX-M-65- and IncHI2 blaCTX-M-125-carrying plasmids were found in isolates from sprouts (ST410, ST847, ST10, ST542). All plasmids were conjugative, except for the IncFIA-FIB blaCTX-M-2-carrying plasmid. Sequence analysis of two plasmids identified the ESBL genes in close location to other resistance genes: sulfonamide resistance gene sul2, streptomycin resistance genes strA and strB, the plasmid-mediated quinolone resistance gene qnrS1 and blaTEM-1 (sul2-strA-strB-IS66-blaTEM-1-tnpR-ΔtnpA-ISEcp1-blaCTX-M-15-Δorf477-ΔtnpA-qnrS1) or the fosfomycin resistance gene fosA3 (ΔISEcp1-blaCTX-M-125-ΔIS903B-fosA3). These observations underline the importance of vegetables as reservoirs for multidrug resistant ESBL-producing E. coli.
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Yang TY, Lu PL, Tseng SP. Update on fosfomycin-modified genes in Enterobacteriaceae. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2017; 52:9-21. [PMID: 29198952 DOI: 10.1016/j.jmii.2017.10.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/17/2017] [Accepted: 10/09/2017] [Indexed: 11/29/2022]
Abstract
The long-used antibiotic fosfomycin has recently been re-evaluated as a potential regimen for treating extended-spectrum β-lactamases (ESBLs) and carbapenem-resistant Enterobacteriaceae (CRE). Fosfomycin is known for its robust bactericidal effect against ESBL-producing Enterobacteriaceae and CRE. However, fosfomycin-modified genes have been reported in transposon elements and conjugative plasmids, resulting in fosfomycin resistance in parts of East Asia. Here we review reports of fosfomycin-modified (fos) genes in Enterobacteriaceae and assess the efficacy of fosfomycin against multidrug-resistant Enterobacteriaceae infections. At least 10 kinds of fos genes have been identified in the past decade; of these, fosA (and fosA subtypes) and fosC2 are primarily found in Enterobacteriaceae. All fosA subtypes except fosA2 are found in plasmids and transposons, nearby insertion sequence elements, or integrons, indicating that mobilizing elements also play an important role in plasmid-mediated fos genes in Enterobacteriaceae. fosA3, which is prevalent in East Asia, has been transmitted (mostly by animals) within and across continents via IS26 mobile elements. The acquisition of multiple antibiotic resistance genes via plasmids and mobile elements has resulted in a need for combined treatments for Enterobacteriaceae cases. The combination of fosfomycin and carbapenem has been the focus of many in vitro studies, but there is a clear need for additional in vivo investigations involving pharmacokinetics.
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Affiliation(s)
- Tsung-Ying Yang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Po-Liang Lu
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Sung-Pin Tseng
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan.
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Bi W, Li B, Song J, Hong Y, Zhang X, Liu H, Lu H, Zhou T, Cao J. Antimicrobial susceptibility and mechanisms of fosfomycin resistance in extended-spectrum β-lactamase-producing Escherichia coli strains from urinary tract infections in Wenzhou, China. Int J Antimicrob Agents 2017; 50:29-34. [DOI: 10.1016/j.ijantimicag.2017.02.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 01/31/2017] [Accepted: 02/04/2017] [Indexed: 10/19/2022]
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Tseng SP, Wang SF, Ma L, Wang TY, Yang TY, Siu LK, Chuang YC, Lee PS, Wang JT, Wu TL, Lin JC, Lu PL. The plasmid-mediated fosfomycin resistance determinants and synergy of fosfomycin and meropenem in carbapenem-resistant Klebsiella pneumoniae isolates in Taiwan. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2017; 50:653-661. [PMID: 28705769 DOI: 10.1016/j.jmii.2017.03.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 02/13/2017] [Accepted: 03/13/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND Epidemiology of fosfomycin susceptibility and the plasmid-mediated fosfomycinase genes of carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates in Taiwan remain unclear. METHODS 642 CRKP clinical isolates were collected from a nation-wide surveillance study (16 hospitals) in Taiwan in 2012-2013. Antimicrobial susceptibilities were determined. PFGE and MLST determined the clonal relatedness. Carbapenemases and fosfomycinases genes were detected by PCR, and their flanking regions were determined by PCR and sequencing. Synergistic activity of meropenem with fosfomycin was examined by the checkerboard method. RESULTS In total, 36.4% (234/642) of CRKP isolates in Taiwan were resistant to fosfomycin. Among 234 fosfomycin-resistant CRKP isolates, PFGE analysis revealed 81 pulsotypes. Pulsotype XXIII (n = 63) was predominant and belonged to ST11. 71 had carbapnemases (65 blaKPC-2-positive, 1 blaVIM-1-positive and 5 blaIMP-8-positive) and 62 had fosfomycinases (35 fosA3-positive and 27 foskp96-positive). Only 18.5% (5/27) of foskp96-positive isolates carried foskp96 and blaKPC-2, while 71.4% (25/35) of fosA3-positive isolates contained fosA3 and blaKPC-2. There were five types of flanking sequences for fosA3, and 85.7% (30/35) of fosA3 genes were flanked by IS26, suggesting possible horizontal gene transfer. Synergistic effect of fosfomycin and meropenem was observed in all 25 randomly selected pulsotype XXIII strains (100%; 25/25), even those containing fosfomycinase (48%, 12/25) or carbapnemase (96%, 24/25). CONCLUSIONS A clone (pulsotype XXIII, ST11) has been found to be prevailing among fosfomycin-resistant CRKP in Taiwan. According to the in vitro data, the combination of fosfomycin and meropenem is a potentially alternative choice.
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Affiliation(s)
- Sung-Pin Tseng
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Sheng-Fan Wang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ling Ma
- National Institutes of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Ting-Yin Wang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsung-Ying Yang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - L Kristopher Siu
- National Institutes of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Yin-Ching Chuang
- Department of Internal Medicine and Medical Research, Chi Mei Medical Center, Tainan, Taiwan; Department of Internal Medicine, Chi Mei Medical Center, Liouying, Tainan, Taiwan
| | - Pei-Shan Lee
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Jann-Tay Wang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Tsu-Lan Wu
- Department of Clinical Pathology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jung-Chung Lin
- Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Po-Liang Lu
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Liang Q, Yin Z, Zhao Y, Liang L, Feng J, Zhan Z, Wang H, Song Y, Tong Y, Wu W, Chen W, Wang J, Jiang L, Zhou D. Sequencing and comparative genomics analysis of the IncHI2 plasmids pT5282-mphA and p112298-catA and the IncHI5 plasmid pYNKP001-dfrA. Int J Antimicrob Agents 2017; 49:709-718. [DOI: 10.1016/j.ijantimicag.2017.01.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 12/09/2016] [Accepted: 01/22/2017] [Indexed: 01/16/2023]
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Jiang W, Men S, Kong L, Ma S, Yang Y, Wang Y, Yuan Q, Cheng G, Zou W, Wang H. Prevalence of Plasmid-Mediated Fosfomycin Resistance Gene fosA3 Among CTX-M-Producing Escherichia coli Isolates from Chickens in China. Foodborne Pathog Dis 2017; 14:210-218. [PMID: 28379732 DOI: 10.1089/fpd.2016.2230] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The aim of this study was to investigate the prevalence of fosfomycin resistance gene fosA3 and characterize plasmids harboring fosA3 among CTX-M-producing Escherichia coli from chickens in China. A total of 234 CTX-M-producing E. coli isolates collected from chickens from 2014 to 2016 were screened for the presence of plasmid-mediated fosfomycin resistance genes (fosA, fosA3, and fosC2). Clonal relatedness of fosA3-positive isolates was determined by pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST). The genetic environment of fosA3 was analyzed by polymerase chain reaction (PCR) mapping. Plasmids were studied by using conjugation experiments, PCR-based replicon typing and plasmid MLST. Sixty-four (27.4%) fosA3-positive E. coli isolates were identified in this study. The gene blaCTX-M-55 (31/64) was predominant among these strains, followed by blaCTX-M-14 (18/64) and blaCTX-M-65 (14/64). Various PFGE patterns and sequence types (STs) indicated that these isolates were clonally unrelated. Seven different genetic environments of fosA3 were identified and two new combinations (ISEcp1-blaCTX-M-65-ΔIS903D-IS26-fosA3-orf1-orf2-Δorf3-IS26 and IS26-ISEcp1-blaCTX-M-3-orf477-blaTEM-1-IS26-fosA3-orf1-orf2-Δorf3-IS26) were discovered for the first time. Conjugation experiments were successful for 47 isolates and 33 transconjugants harbored a single plasmid. Plasmids carrying fosA3 belonged to incompatibility group IncFII (17/33), IncI1 (2/33), IncHI2 (3/33), and IncB/O (1/33). F33:A-:B- plasmids carrying blaCTX-M-55, IncHI2/ST3 plasmids carrying blaCTX-M-65, and F2:A-:B-plasmids carrying blaCTX-M-55 were found in E. coli isolates from different provinces. Our results revealed a considerable prevalence of fosA3 gene among CTX-M-producing E. coli with clonal diversity from chickens in China. The transmission of different kinds of plasmids is responsible for the dissemination of fosA3 in chicken farms in China.
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Affiliation(s)
- Wei Jiang
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Shuai Men
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Linghan Kong
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Suzhen Ma
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Yongqiang Yang
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Yongxiang Wang
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Qiwu Yuan
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Guangyang Cheng
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Wencheng Zou
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China
| | - Hongning Wang
- 1 Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Science, Sichuan University , Chengdu, China .,2 Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province , Chengdu, China .,3 "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, Sichuan University , Chengdu, China
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40
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High prevalence of fosfomycin resistance gene fosA3 in bla CTX-M-harbouring Escherichia coli from urine in a Chinese tertiary hospital during 2010-2014. Epidemiol Infect 2016; 145:818-824. [PMID: 27938421 DOI: 10.1017/s0950268816002879] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Fosfomycin has become a therapeutic option in urinary tract infections. We identified 57 fosfomycin-resistant Escherichia coli from 465 urine-derived extended-spectrum β-lactamase (ESBL)-producing isolates from a Chinese hospital during 2010-2014. Of the 57 fosfomycin-resistant isolates, 51 (89·5%) carried fosA3, and one carried fosA1. Divergent pulsed-field gel electrophoresis profiles and multi-locus sequence typing results revealed high clonal diversity in the fosA3-positive isolates. Conjugation experiments showed that the fosA3 genes from 50 isolates were transferable, with IncFII or IncI1 being the most prevalent types of plasmids. The high prevalence of fosA3 was closely associated with that of bla CTX-M. Horizontal transfer, rather than clonal expansion, might play a central role in dissemination. Such strains may constitute an important reservoir of fosA3 and bla CTX-M, which may well be readily disseminated to other potential human pathogens. Since most ESBL-producing E. coli have acquired resistance to fluoroquinolones worldwide, further spread of fosA3 in such E. coli isolates should be monitored closely.
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41
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Wong MH, Xie M, Xie L, Lin D, Li R, Zhou Y, Chan EW, Chen S. Complete Sequence of a F33:A-:B- Conjugative Plasmid Carrying the oqxAB, fosA3, and blaCTX-M-55 Elements from a Foodborne Escherichia coli Strain. Front Microbiol 2016; 7:1729. [PMID: 27833607 PMCID: PMC5081371 DOI: 10.3389/fmicb.2016.01729] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/17/2016] [Indexed: 11/13/2022] Open
Abstract
This study reports the complete sequence of pE80, a conjugative IncFII plasmid recovered from an Escherichia coli strain isolated from chicken meat. This plasmid harbors multiple resistance determinants including oqxAB, fosA3, blaCTX-M-55, and blaTEM-1, and is a close variant of the recently reported p42-2 element, which was recovered from E. coli of veterinary source. Recovery of pE80 constitutes evidence that evolution or genetic re-arrangement of IncFII type plasmids residing in animal-borne organisms is an active event, which involves acquisition and integration of foreign resistance elements into the plasmid backbone. Dissemination of these plasmids may further compromise the effectiveness of current antimicrobial strategies.
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Affiliation(s)
- Marcus H Wong
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
| | - Miaomiao Xie
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen, China
| | - Liqi Xie
- Division of Food Inspection and Supervision, Shenzhen Entry-Exit Inspection and Quarantine Bureau Shenzhen, China
| | - Dachuan Lin
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
| | - Ruichao Li
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
| | - Yuanjie Zhou
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
| | - Edward W Chan
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
| | - Sheng Chen
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research Centre, Shenzhen Research Institute, The Hong Kong Polytechnic UniversityShenzhen, China; State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic UniversityKowloon, Hong Kong
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42
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Abstract
The treatment of bacterial infections suffers from two major problems: spread of multidrug-resistant (MDR) or extensively drug-resistant (XDR) pathogens and lack of development of new antibiotics active against such MDR and XDR bacteria. As a result, physicians have turned to older antibiotics, such as polymyxins, tetracyclines, and aminoglycosides. Lately, due to development of resistance to these agents, fosfomycin has gained attention, as it has remained active against both Gram-positive and Gram-negative MDR and XDR bacteria. New data of higher quality have become available, and several issues were clarified further. In this review, we summarize the available fosfomycin data regarding pharmacokinetic and pharmacodynamic properties, the in vitro activity against susceptible and antibiotic-resistant bacteria, mechanisms of resistance and development of resistance during treatment, synergy and antagonism with other antibiotics, clinical effectiveness, and adverse events. Issues that need to be studied further are also discussed.
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43
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Mendes AC, Rodrigues C, Pires J, Amorim J, Ramos MH, Novais Â, Peixe L. Importation of Fosfomycin Resistance fosA3 Gene to Europe. Emerg Infect Dis 2016; 22:346-8. [PMID: 26812028 PMCID: PMC4734505 DOI: 10.3201/eid2202.151301] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Yao H, Wu D, Lei L, Shen Z, Wang Y, Liao K. The detection of fosfomycin resistance genes in Enterobacteriaceae from pets and their owners. Vet Microbiol 2016; 193:67-71. [DOI: 10.1016/j.vetmic.2016.07.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Revised: 07/12/2016] [Accepted: 07/24/2016] [Indexed: 10/21/2022]
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45
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Pitout JD, Chan WW, Church DL. Tackling antimicrobial resistance in lower urinary tract infections: treatment options. Expert Rev Anti Infect Ther 2016; 14:621-32. [DOI: 10.1080/14787210.2016.1188004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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46
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Molecular Characterization of Escherichia coli Strains Isolated from Retail Meat That Harbor blaCTX-M and fosA3 Genes. Antimicrob Agents Chemother 2016; 60:2450-5. [PMID: 26856843 DOI: 10.1128/aac.03101-15] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Accepted: 02/04/2016] [Indexed: 11/20/2022] Open
Abstract
A total of 55 cefotaxime-resistantEscherichia coliisolates were obtained from retail meat products purchased in Shenzhen, China, during the period November 2012 to May 2013. Thirty-seven of these 55 isolates were found to harbor ablaCTX-Mgene, with theblaCTX-M-1group being the most common type.blaCMY-2was detected in 16 isolates, alone or in combination with other extended-spectrum β-lactamase (ESBL) determinants. Importantly, thefosA3gene, which encodes fosfomycin resistance, was detected in 12 isolates, with several being found to reside in the conjugative plasmid that harbored theblaCTX-Mgene. The insertion sequence IS26was observed upstream of some of theblaCTX-M-55andfosA3genes. Conjugation experiments showed thatblaCTX-Mgenes from 15 isolates were transferrable, with Inc I1 and Inc FII being the most prevalent replicons. High clonal diversity was observed among theblaCTX-Mproducers, suggesting that horizontal transfer of theblaCTX-Mgenes amongE. colistrains in retail meats is a common event and that such strains may constitute an important reservoir ofblaCTX-Mgenes, which may be readily disseminated to other potential human pathogens.
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47
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Fosfomycin: Resurgence of an old companion. J Infect Chemother 2016; 22:273-80. [PMID: 26923259 DOI: 10.1016/j.jiac.2016.01.010] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 01/18/2016] [Indexed: 11/20/2022]
Abstract
Fosfomycin was discovered over four decades ago, yet has drawn renewed interest as an agent active against a range of multidrug-resistant (MDR) and extensively drug-resistant (XDR) pathogens. Its unique mechanism of action and broad spectrum of activity makes it a promising candidate in the treatment of various MDR/XDR infections. There has been a surge of in vitro data on its activity against MDR/XDR organisms, both when used as a single agent and in combination with other agents. In the United States, fosfomycin is only approved in an oral formulation for the treatment of acute uncomplicated urinary tract infections (UTIs), whereas in some countries both oral and intravenous formulations are available for various indications. Fosfomycin has minimal interactions with other medications and has a relatively favorable safety profile, with diarrhea being the most common adverse reaction. Fosfomycin has low protein binding and is excreted primarily unchanged in the urine. The clinical outcomes of patients treated with fosfomycin are favorable for uncomplicated UTIs, but data are limited for use in other conditions. Fosfomycin maintains activity against most Enterobacteriaceae including Escherichia coli, but plasmid-mediated resistance due to inactivation have appeared in recent years, which has the potential to compromise its use in the future. In this review, we summarize the current knowledge of this resurgent agent and its role in our antimicrobial armamentarium.
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Plasmid-Mediated OqxAB Is an Important Mechanism for Nitrofurantoin Resistance in Escherichia coli. Antimicrob Agents Chemother 2015; 60:537-43. [PMID: 26552976 DOI: 10.1128/aac.02156-15] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 11/03/2015] [Indexed: 11/20/2022] Open
Abstract
Increasing consumption of nitrofurantoin (NIT) for treatment of acute uncomplicated urinary tract infections (UTI) highlights the need to monitor emerging NIT resistance mechanisms. This study investigated the molecular epidemiology of the multidrug-resistant efflux gene oqxAB and its contribution to nitrofurantoin resistance by using Escherichia coli isolates originating from patients with UTI (n = 205; collected in 2004 to 2013) and food-producing animals (n = 136; collected in 2012 to 2013) in Hong Kong. The oqxAB gene was highly prevalent among NIT-intermediate (11.5% to 45.5%) and -resistant (39.2% to 65.5%) isolates but rare (0% to 1.7%) among NIT-susceptible (NIT-S) isolates. In our isolates, the oqxAB gene was associated with IS26 and was carried by plasmids of diverse replicon types. Multilocus sequence typing revealed that the clones of oqxAB-positive E. coli were diverse. The combination of oqxAB and nfsA mutations was found to be sufficient for high-level NIT resistance. Curing of oqxAB-carrying plasmids from 20 NIT-intermediate/resistant UTI isolates markedly reduced the geometric mean MIC of NIT from 168.9 μg/ml to 34.3 μg/ml. In the plasmid-cured variants, 20% (1/5) of isolates with nfsA mutations were NIT-S, while 80% (12/15) of isolates without nfsA mutations were NIT-S (P = 0.015). The presence of plasmid-based oqxAB increased the mutation prevention concentration of NIT from 128 μg/ml to 256 μg/ml and facilitated the development of clinically important levels of nitrofurantoin resistance. In conclusion, plasmid-mediated oqxAB is an important nitrofurantoin resistance mechanism. There is a great need to monitor the dissemination of this transferable multidrug-resistant efflux pump.
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Tseng SP, Wang SF, Kuo CY, Huang JW, Hung WC, Ke GM, Lu PL. Characterization of Fosfomycin Resistant Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolates from Human and Pig in Taiwan. PLoS One 2015; 10:e0135864. [PMID: 26280832 PMCID: PMC4539220 DOI: 10.1371/journal.pone.0135864] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 07/27/2015] [Indexed: 11/23/2022] Open
Abstract
To investigate the efficacy of fosfomycin against extended-spectrum β-lactamases (ESBL) producing Escherichia coli in Taiwan and the resistance mechanisms and characterization of human and pig isolates, we analyzed 145 ESBL-producing isolates collected from two hospitals (n = 123) and five farms (n = 22) in Taiwan from February to May, 2013. Antimicrobial susceptibilities were determined. Clonal relatedness was determined by PFGE and multi-locus sequence typing. ESBLs, ampC, and fosfomycin resistant genes were detected by PCR, and their flanking regions were determined by PCR mapping and sequencing. The fosfomycin resistant mechanisms, including modification of the antibiotic target (MurA), functionless transporters (GlpT and UhpT) and their regulating genes such as uhpA, cyaA, and ptsI, and antibiotic inactivation by enzymes (FosA and FosC), were examined. The size and replicon type of plasmids carrying fosfomycin resistant genes were analyzed. Our results revealed the susceptibility rates of fosfomycin were 94% for human ESBL-producing E. coli isolates and 77% for pig isolates. The PFGE analysis revealed 79 pulsotypes. No pulsotype was found existing in both human and pig isolates. Three pulsotypes were distributed among isolates from two hospitals. ISEcp1 carrying blaCTX-M-group 9 was the predominant transposable elements of the ESBL genes. Among the thirteen fosfomycin resistant isolates, functionless transporters were identified in 9 isolates. Three isolates contained novel amino acid substitutions (Asn67Ile, Phe151Ser and Trp164Ser, Val146Ala and His159Tyr, respectively) in MurA (the target of fosfomycin). Four isolates had fosfomycin modified enzyme (fosA3) in their plasmids. The fosA3 gene was harboured in an IncN-type plasmid (101 kbp) in the three pig isolates and an IncB/O-type plasmid (113 kbp) in the human isolate. In conclusion, we identified that 6% and 23% of the ESBL-producing E. coli from human and pigs were resistant to fosfomycin, respectively, in Taiwan. No clonal spread was found between human and pig isolates. Functionless transporters were the major cause of fosfomycin resistance, and the fosA3-transferring plasmid between isolates warrants further monitoring.
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Affiliation(s)
- Sung-Pin Tseng
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan, ROC
| | - Sheng-Fan Wang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
| | - Cheng-Yu Kuo
- Division of Infectious Diseases, Kaohsiung Medical University Chung-Ho Memorial hospital, Kaohsiung, Taiwan, ROC
- Department of Internal Medicine, Ministry of Health and Welfare Pingtung Hospital, Kaohsiung, Taiwan, ROC
| | - Jun-Wei Huang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
| | - Wei-Chun Hung
- Department of Microbiology and Immunology, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
| | - Guan-Ming Ke
- Graduate Institute of Animal Vaccine Technology, National Pingtung University of Science and Technology, Neipu, Pingtung, Taiwan, ROC
| | - Po-Liang Lu
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, ROC
- College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
- Department of Internal Medicine, Kaohsiung Medical University Hospital, Taiwan, Kaohsiung, ROC
- * E-mail:
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50
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IncA/C Plasmid Carrying bla(NDM-1), bla(CMY-16), and fosA3 in a Salmonella enterica Serovar Corvallis Strain Isolated from a Migratory Wild Bird in Germany. Antimicrob Agents Chemother 2015; 59:6597-600. [PMID: 26169417 DOI: 10.1128/aac.00944-15] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 07/08/2015] [Indexed: 02/05/2023] Open
Abstract
A Salmonella enterica serovar Corvallis strain was isolated from a wild bird in Germany. This strain carried the IncA/C2 pRH-1238 plasmid. Complete sequencing of the plasmid was performed, identifying the blaNDM-1, blaCMY-16, fosA3, sul1, sul2, strA, strB, aac(6')-Ib, aadA5, aphA6, tetA(A), mphA, floR, dfrA7, and merA genes, which confer clinically relevant resistance to most of the antimicrobial classes, including β-lactams with carbapenems, fosfomycin, aminoglycosides, co-trimoxazole, tetracyclines, and macrolides. The strain likely originated from the Asiatic region and was transferred to Germany through the Milvus migrans migratory route.
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