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Wang W, Luo T, Zhao Y, Yang X, Wang D, Yang G, Jin Y. Antibiotic resistance gene distribution in Shine Muscat grapes and health risk assessment of streptomycin residues in mice. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133254. [PMID: 38103297 DOI: 10.1016/j.jhazmat.2023.133254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/05/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Antibiotic residues and antibiotic resistance genes (ARGs) in fruits and vegetables pose public health risks via the food chain, attracting increased attention. Antibiotics such as streptomycin, used directly on seedless grapes or introduced into vineyard soil through organic fertilizers. However, extensive data supporting the risk assessment of antibiotic residues and resistance in these produce remains lacking. Utilizing metagenomic sequencing, we characterized Shine Muscat grape antibiotic resistome and mobile genetic elements (MGEs). Abundant MGEs and ARGs were found in grapes, with 174 ARGs on the grape surface and 32 in the fruit. Furthermore, our data indicated that soil is not the primary source of these MGEs and ARGs. Escherichia was identified as an essential carrier and potential transmitter of ARGs. In our previous study, streptomycin residue was identified in grapes. Further short-term exposure experiments in mice revealed no severe physiological or histological damage at several environment-related concentrations. However, with increased exposure, some ARGs levels in mouse gut microbes increased, indicating a potential threat to animal health. Overall, this study provides comprehensive insights into the resistance genome and potential hosts in grapes, supporting the risk assessment of antibiotic resistance in fruits and vegetables.
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Affiliation(s)
- Weitao Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China; College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Ting Luo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China; Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, China, Hangzhou 310021, China
| | - Yao Zhao
- Xianghu Laboratory, Hangzhou 311231, China; State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Xinyuan Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China; College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, China
| | - Dou Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China; Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, China, Hangzhou 310021, China
| | - Guiling Yang
- Xianghu Laboratory, Hangzhou 311231, China; State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China.
| | - Yuanxiang Jin
- Xianghu Laboratory, Hangzhou 311231, China; College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China.
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Jia K, Qin X, Bu X, Zhu H, Liu Y, Wang X, Li Z, Dong Q. Prevalence, antibiotic resistance and molecular characterization of Staphylococcus aureus in ready-to-eat fruits and vegetables in Shanghai, China. Curr Res Food Sci 2023; 8:100669. [PMID: 38226140 PMCID: PMC10788225 DOI: 10.1016/j.crfs.2023.100669] [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: 09/09/2023] [Revised: 12/05/2023] [Accepted: 12/19/2023] [Indexed: 01/17/2024] Open
Abstract
Staphylococcus aureus (S. aureus) is one of the foodborne pathogens. This study aimed to investigate the prevalence of S. aureus in ready-to-eat (RTE) fruits and vegetables in Shanghai, China. We evaluated antibiotic resistance patterns and genetic diversity of isolates through whole genome sequencing. Our findings demonstrated that out of 143 market samples, 47 (32.87%) tested positive for S. aureus, with the prevalence rates ranging from 10% to 57.14% among 12 types of RTE fruits and vegetables. Most isolates were resistant to trimethoprim-sulphamethoxazole, oxacillin, and ampicillin. We identified a total of 15 antibiotic resistance genes associated with resistance to 6 antibiotics, such as fosfomycin, fluoroquinolone, and β-lactam. Adhesion genes and enterotoxin genes, including icaA, icaB, icaC, set, seg, and sec, were also identified. Seven multi-locus sequence types (MLST) were detected, two of which were novel (ST7208 and ST7986). Notably, ST705-t529 (34.04%) and ST6-t701 (27.79%) represented the predominant types of S. aureus. Furthermore, three of the isolates were confirmed to be methicillin-resistant S. aureus by mecA genes. Taken together, our results highlight the high prevalence of S. aureus in RTE fruits and vegetables, posing a potential threat to food safety, particularly due to its high level of antibiotic resistance.
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Affiliation(s)
| | | | - Xiangfeng Bu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
| | - Huajian Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
| | - Yangtai Liu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
| | - Xiang Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
| | - Zhuosi Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
| | - Qingli Dong
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Rd., Shanghai 200093, China
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Xedzro C, Shimamoto T, Yu L, Zuo H, Sugawara Y, Sugai M, Shimamoto T. Emergence of colistin-resistant Enterobacter cloacae and Raoultella ornithinolytica carrying the phosphoethanolamine transferase gene, mcr-9, derived from vegetables in Japan. Microbiol Spectr 2023; 11:e0106323. [PMID: 37909761 PMCID: PMC10714742 DOI: 10.1128/spectrum.01063-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 09/17/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE Plasmid-mediated mobile colistin-resistance genes have been recognized as a global threat because they jeopardize the efficacy of colistin in therapeutic practice. Here, we described the genetic features of two mcr-9.1-carrying Gram-negative bacteria with a colistin-resistant phenotype derived from vegetables in Japan. The colistin-resistant mcr-9.1, which has never been detected in vegetables, was located on a large plasmid in Enterobacter cloacae CST17-2 and Raoultella ornithinolytica CST129-1, suggesting a high chance of horizontal gene transfer. To the best of our knowledge, this is the first report of mcr-9 in R. ornithinolytica. This study indicates that fresh vegetables might be a potential source for the transmission of mcr-9 genes encoding resistance to frontline (colistin) and clinically relevant antimicrobials. The study also provides additional consideration for colistin use and the relevance of routine surveillance in epidemiological perspective to curb the continuous spread of mcr alleles.
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Affiliation(s)
- Christian Xedzro
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, Japan
| | - Toshi Shimamoto
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, Japan
| | - Liansheng Yu
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Hui Zuo
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Yo Sugawara
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Motoyuki Sugai
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Higashimurayama, Japan
| | - Tadashi Shimamoto
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, Japan
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Bai S, Fang L, Xiao H, Zhang Y, Guo W, Zhang J, Liu J, Zhang Y, Wang M, Sun R, Han L, Yu Y, Sun J, Liu Y, Liao X. Genomics analysis of KPC-2 and NDM-5-producing Enterobacteriaceae in migratory birds from Qinghai Lake, China. Appl Microbiol Biotechnol 2023; 107:7531-7542. [PMID: 37861819 DOI: 10.1007/s00253-023-12746-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 07/02/2023] [Accepted: 08/24/2023] [Indexed: 10/21/2023]
Abstract
The study examined the epidemiological characteristics of carbapenem-resistant Enterobacteriaceae (CRE) isolated from migratory birds and surroundings in Qinghai Lake, China. We identified 69 (15.7%) CRE isolates from a total of 439 samples including 29 (6.6%) blaNDM-5 Escherichia coli and 40 (9.1%) blaKPC-2 Klebsiella pneumoniae. WGS analysis indicated that ST746, ST48, ST1011, and ST167 were the primary sequence types (ST) for blaNDM-5 E. coli, while all blaKPC-2 K. pneumoniae were ST11 and harbored numerous antibiotic resistance gene types including blaCTX-M, qnrS, and rmtB. A phylogenetic tree based on core genomes revealed that blaNDM-5 E. coli was highly heterogeneous while the blaKPC-2 K. pneumoniae was highly genetically similar within the group and to human Chinese isolates. IncX3, IncHI2, and IncFIB-HI2 plasmid replicon types were associated with blaNDM-5 spread, while IncFII-R and IncFII plasmids mediated blaKPC-2 spread. We also identified IncFII-R hybrid plasmids most likely formed by IS26-mediated integration of IncFII into IncR plasmid backbones. This also facilitated the persistence of IncFII-R plasmids and antibiotic resistance genes including blaKPC-2. In addition, all of the blaKPC-2 K. pneumoniae isolates harbored a pLVKP-like virulence plasmid carrying a combination of two or more hypervirulence markers that included peg-344, iroB, iucA, rmpA, and rmpA2. This is the first description of ST11 K. pneumoniae that co-carried blaKPC-2- and pLVKP-like virulence plasmids from migratory birds. The blaKPC-2 K. pneumoniae carried by migratory birds displayed high genetic relatedness to human isolates highlighting a high risk of transmission of these K. pneumoniae. KEY POINTS: • Multidrug resistance plasmids (blaKPC-2, bla436NDM-5, bla CTX-M, qnrS, and rmtB). • Co-occurrence of plasmid-mediated resistance and virulence genes. • High similarity between migratory bird genomes and humans.
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Affiliation(s)
- Shuancheng Bai
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Liangxing Fang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Hongliang Xiao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yin Zhang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Wenying Guo
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Jixing Zhang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Juan Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yan Zhang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Minge Wang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Ruanyang Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Lu Han
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yang Yu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yahong Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Xiaoping Liao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China.
- Veterinary Pharmacology Department, College of Veterinary Medicine, National Reference Laboratory of Veterinary Drug Residues, South China Agricultural University, Guangzhou, China.
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China.
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Tan MF, Li HQ, Yang Q, Zhang FF, Tan J, Zeng YB, Wei QP, Huang JN, Wu CC, Li N, Kang ZF. Prevalence and antimicrobial resistance profile of bacterial pathogens isolated from poultry in Jiangxi Province, China from 2020 to 2022. Poult Sci 2023; 102:102830. [PMID: 37343345 PMCID: PMC10404785 DOI: 10.1016/j.psj.2023.102830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/22/2023] [Accepted: 05/31/2023] [Indexed: 06/23/2023] Open
Abstract
Poultry is one of the most commonly farmed species and the most widespread meat industries. However, numerous poultry flocks have been long threatened by pathogenic bacterial infections, especially antimicrobial resistant pathogens. Here the prevalence and the antimicrobial resistance (AMR) profiles of bacterial pathogens isolated from poultry in Jiangxi Province, China were investigated. From 2020 to 2022, 283 tissue and liquid samples were collected from clinically diseased poultry, including duck, chicken, and goose, with an overall positive isolation rate of 62.90%. Among all the 219 bacterial isolates, 29 strains were gram-positive and 190 strains were gram-negative. Major bacteria species involved were avian pathogenic Escherichia coli (APEC; 57.53%; 126/219), followed by Salmonella spp. (11.87%, 26/219), Pasteurella multocida (6.39%, 14/219), and Staphylococcus spp. (1.22%, 11/219). Antimicrobial susceptibility testing showed the APEC isolates displayed considerably higher levels of AMR than the Salmonella and P. multocida isolates. The APEC isolates showed high resistance rate to amoxicillin (89.68%), ampicillin (89.68%), and florfenicol (83.33%), followed by streptomycin (75.40%), cefradine (65.87%), and enrofloxacin (64.29%). Multidrug-resistant isolates were observed in APEC (99.21%), Salmonella spp. (96.16%), and P. multocida (85.71%), and nearly 3 quarters of the APEC strains were resistant to 7 or more categories of antimicrobial drugs. Moreover, blaNDM genes associated with carbapenemase resistance and mcr-1 associated with colisitin resistance were detected in the APEC isolates. Our findings could provide evidence-based guidance for veterinarians to prevent and control bacterial diseases, and be helpful for monitoring the emerging and development of AMR in poultry bacterial pathogens.
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Affiliation(s)
- Mei-Fang Tan
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Hai-Qin Li
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Qun Yang
- Institute of Agricultural Engineering, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Fan-Fan Zhang
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Jia Tan
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Yan-Bing Zeng
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Qi-Peng Wei
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Jiang-Nan Huang
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Cheng-Cheng Wu
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Na Li
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Zhao-Feng Kang
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China.
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KK S, Wranne MS, Sewunet T, Ekedahl E, Coorens M, Tangkoskul T, Thamlikitkul V, Giske CG, Westerlund F. Identification and characterization of plasmids carrying the mobile colistin resistance gene mcr-1 using optical DNA mapping. JAC Antimicrob Resist 2023; 5:dlad004. [PMID: 36743530 PMCID: PMC9891347 DOI: 10.1093/jacamr/dlad004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 01/05/2023] [Indexed: 02/04/2023] Open
Abstract
Objectives Colistin is a last-resort antibiotic, but there has been a rapid increase in colistin resistance, threatening its use in the treatment of infections with carbapenem-resistant Enterobacterales (CRE). Plasmid-mediated colistin resistance, in particular the mcr-1 gene, has been identified and WGS is the go-to method in identifying plasmids carrying mcr-1 genes. The goal of this study is to demonstrate the use of optical DNA mapping (ODM), a fast, efficient and amplification-free technique, to characterize plasmids carrying mcr-1. Methods ODM is a single-molecule technique, which we have demonstrated can be used for identifying plasmids harbouring antibiotic resistance genes. We here applied the technique to plasmids isolated from 12 clinical Enterobacterales isolates from patients at a major hospital in Thailand and verified our results using Nanopore long-read sequencing. Results We successfully identified plasmids encoding the mcr-1 gene and, for the first time, demonstrated the ability of ODM to identify resistance gene sites in small (∼30 kb) plasmids. We further identified bla CTX-M genes in different plasmids than the ones encoding mcr-1 in three of the isolates studied. Finally, we propose a cut-and-stretch assay, based on similar principles, but performed using surface-functionalized cover slips for DNA immobilization and an inexpensive microscope with basic functionalities, to identify the mcr-1 gene in a plasmid sample. Conclusions Both ODM and the cut-and-stretch assay developed could be very useful in identifying plasmids encoding antibiotic resistance in hospitals and healthcare facilities. The cut-and-stretch assay is particularly useful in low- and middle-income countries, where existing techniques are limited.
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Affiliation(s)
- Sriram KK
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Moa S Wranne
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Tsegaye Sewunet
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
| | - Elina Ekedahl
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Maarten Coorens
- Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | | | | | - Christian G Giske
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden,Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
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Mmatli M, Mbelle NM, Osei Sekyere J. Global epidemiology, genetic environment, risk factors and therapeutic prospects of mcr genes: A current and emerging update. Front Cell Infect Microbiol 2022; 12:941358. [PMID: 36093193 PMCID: PMC9462459 DOI: 10.3389/fcimb.2022.941358] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/01/2022] [Indexed: 12/28/2022] Open
Abstract
Background Mobile colistin resistance (mcr) genes modify Lipid A molecules of the lipopolysaccharide, changing the overall charge of the outer membrane. Results and discussion Ten mcr genes have been described to date within eleven Enterobacteriaceae species, with Escherichia coli, Klebsiella pneumoniae, and Salmonella species being the most predominant. They are present worldwide in 72 countries, with animal specimens currently having the highest incidence, due to the use of colistin in poultry for promoting growth and treating intestinal infections. The wide dissemination of mcr from food animals to meat, manure, the environment, and wastewater samples has increased the risk of transmission to humans via foodborne and vector-borne routes. The stability and spread of mcr genes were mediated by mobile genetic elements such as the IncHI2 conjugative plasmid, which is associated with multiple mcr genes and other antibiotic resistance genes. The cost of acquiring mcr is reduced by compensatory adaptation mechanisms. MCR proteins are well conserved structurally and via enzymatic action. Thus, therapeutics found effective against MCR-1 should be tested against the remaining MCR proteins. Conclusion The dissemination of mcr genes into the clinical setting, is threatening public health by limiting therapeutics options available. Combination therapies are a promising option for managing and treating colistin-resistant Enterobacteriaceae infections whilst reducing the toxic effects of colistin.
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Affiliation(s)
- Masego Mmatli
- Department of Medical Microbiology, School of Medicine, University of Pretoria, Pretoria, South Africa
| | - Nontombi Marylucy Mbelle
- Department of Medical Microbiology, School of Medicine, University of Pretoria, Pretoria, South Africa
| | - John Osei Sekyere
- Department of Medical Microbiology, School of Medicine, University of Pretoria, Pretoria, South Africa
- Department of Microbiology and Immunology, Indiana University School of Medicine-Northwest, Gary, IN, United States
- Department of Dermatology, School of Medicine, University of Pretoria, Pretoria, South Africa
- *Correspondence: John Osei Sekyere, ;
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Carbapenemase Production and Detection of Colistin-Resistant Genes in Clinical Isolates of Escherichia Coli from the Ho Teaching Hospital, Ghana. CANADIAN JOURNAL OF INFECTIOUS DISEASES AND MEDICAL MICROBIOLOGY 2022; 2022:1544624. [PMID: 35795863 PMCID: PMC9252719 DOI: 10.1155/2022/1544624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/17/2022]
Abstract
Background Effective and successful treatment of infectious diseases is a significant gain in clinical settings. However, resistance to antibiotics, especially the last-resort medicines, including carbapenems and colistin is on the rise. Aim The aim of this study was to detect carbapenemase production and colistin-resistant genes in clinical isolates of Escherichia coli. Method. The study was a cross-sectional study carried out from July 2018 to June 2019. One hundred and thirty-five nonrepetitive E. coli isolates obtained from various clinical samples were screened for carbapenemase production using meropenem (10 μg) and imipenem (10 μg) disks. Screened-positive isolates were further subjected to a confirmatory test using modified carbapenem inhibition method (mCIM). Deoxyribonucleic acid (DNA) was extracted from all the isolates to detect colistin-resistant genes by polymerase chain reaction. Data were analyzed using GraphPad Prism version 8.00 for Windows and IBM SPSS version 26 (IMB Corp. New York, USA). Results Of the 135 isolates, 2 were screened positive for carbapenemase production but tested negative to mCIM. With the colistin-resistant genes, only mcr-1 and mcr-2_700bp were detected in 3 of the E. coli isolates, representing 2.2%. The mcr-1 was detected in a high vaginal swab sample of a female aged between 65 and 84 years. Mcr-2_700bp was also detected in urine and blood samples of the patients. Conclusion The study investigated the presence of carbapenemase and colistin-resistant genes in E. coli organisms. The absence of carbapenemase in the isolates and the detection of colistin-genes call for strict infection prevention and control practices to prevent their introduction and spread to other bacterial species, respectively.
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Molecular Characteristics of Antimicrobial Resistance and Virulence in Klebsiella pneumoniae Strains Isolated from Goose Farms in Hainan, China. Appl Environ Microbiol 2022; 88:e0245721. [PMID: 35389252 DOI: 10.1128/aem.02457-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
We retrospectively investigated 326 samples that were collected from goose farms in Hainan Province, China, in 2017. A total of 33 carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates were identified from 326 samples, and the 33 CRKP isolates were characterized based on whole-genome sequencing (WGS) data from the Illumina and Oxford Nanopore Technologies (ONT) platforms. All of these 33 CRKP isolates possessed blaNDM-5, and a single isolate coharbored mcr-1 and blaNDM-5, while 4 isolates carried multiple virulence and metal tolerance gene clusters. One CRKP strain (CMG-35-2) was selected for long sequence reading. A hybrid plasmid carrying the virulence, resistance, and metal resistance gene in the strain was found. It possessed 2 backbones [IncFIB(K)-IncFII(K)] within a single plasmid that were closely related to K. pneumoniae plasmids from a human-associated habitat in the United States and from a human isolate in Hong Kong. A mouse abdominal infection model indicated that that strain was of the moderate virulence phenotype. This study revealed that K. pneumoniae on goose farms is an important reservoir for blaNDM-5 and these bacteria are represented by a diversity of sequence types. The heterozygous multiple drug resistance genes carried on plasmids highlighted the genetic complexity of CRKP and the urgent need for continued active surveillance. IMPORTANCE CRKP is one of the most important pathogens, which can cause infection not only in humans but also in waterfowl. The discovery of blaNDM-5-producing K. pneumoniae in waterfowl farms in recent years suggests that waterfowl are an important reservoir for blaNDM-5-producing Enterobacteriaceae. However, there are few studies on the spread of blaNDM-5-producing bacteria in waterfowl farms. Our study showed that the IncX3 plasmid carrying blaNDM-5 in goose farms is widely present in K. pneumoniae isolates and a large number of resistance genes are accumulated in it. We found a transferable IncFIB-FII hybrid plasmid that combines virulence, resistance, and metal resistance genes, which allow transfer of these traits between bacteria in different regions. The results of this study contribute to a better understanding of the prevalence and transmission of carbapenem-resistant K. pneumoniae in goose farms.
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Brunn A, Kadri-Alabi Z, Moodley A, Guardabassi L, Taylor P, Mateus A, Waage J. Characteristics and Global Occurrence of Human Pathogens Harboring Antimicrobial Resistance in Food Crops: A Scoping Review. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.824714] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BackgroundThe role of the crop environment as a conduit for antimicrobial resistance (AMR) through soil, water, and plants has received less attention than other sectors. Food crops may provide a link between the agro-environmental reservoir of AMR and acquisition by humans, adding to existing food safety hazards associated with microbial contamination of food crops.ObjectivesThe objectives of this review were: (1) to use a systematic methodology to characterize AMR in food crop value chains globally, and (2) to identify knowledge gaps in understanding exposure risks to humans.MethodsFour bibliographic databases were searched using synonyms of AMR in food crop value chains. Following two-stage screening, phenotypic results were extracted and categorized into primary and secondary combinations of acquired resistance in microbes of concern based on established prioritization. Occurrence of these pathogen-AMR phenotype combinations were summarized by sample group, value chain stage, and world region. Sub-analyses on antimicrobial resistance genes (ARG) focused on extended-spectrum beta-lactamase and tetracycline resistance genes.ResultsScreening of 4,455 citations yielded 196 studies originating from 49 countries, predominantly in Asia (89 studies) and Africa (38). Observations of pathogen-phenotype combinations of interest were reported in a subset of 133 studies (68%). Primary combinations, which include resistance to antimicrobials of critical importance to human medicine varied from 3% (carbapenem resistance) to 13% (fluoroquinolones), whereas secondary combinations, which include resistance to antimicrobials also used in agriculture ranged from 14% (aminoglycoside resistance) to 20% (aminopenicillins). Salad crops, vegetables, and culinary herbs were the most sampled crops with almost twice as many studies testing post-harvest samples. Sub-analysis of ARG found similar patterns corresponding to phenotypic results.DiscussionThese results suggest that acquired AMR in opportunistic and obligate human pathogens is disseminated throughout food crop value chains in multiple world regions. However, few longitudinal studies exist and substantial heterogeneity in sampling methods currently limit quantification of exposure risks to consumers. This review highlights the need to include agriculturally-derived AMR in monitoring food safety risks from plant-based foods, and the challenges facing its surveillance.
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Rahman M, Alam MU, Luies SK, Kamal A, Ferdous S, Lin A, Sharior F, Khan R, Rahman Z, Parvez SM, Amin N, Hasan R, Tadesse BT, Taneja N, Islam MA, Ercumen A. Contamination of Fresh Produce with Antibiotic-Resistant Bacteria and Associated Risks to Human Health: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 19:360. [PMID: 35010620 PMCID: PMC8744955 DOI: 10.3390/ijerph19010360] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/19/2021] [Accepted: 12/22/2021] [Indexed: 02/06/2023]
Abstract
Fresh produce, when consumed raw, can be a source of exposure to antimicrobial residues, antimicrobial-resistant bacteria (ARB) and antimicrobial resistance genes (ARGs) of clinical importance. This review aims to determine: (1) the presence and abundance of antimicrobial residues, ARB and ARGs in fresh agricultural products sold in retail markets and consumed raw; (2) associated health risks in humans; and (3) pathways through which fresh produce becomes contaminated with ARB/ARGs. We searched the Ovid Medline, Web of Science and Hinari databases as well as grey literature, and identified 40 articles for inclusion. All studies investigated the occurrence of multidrug-resistant bacteria, and ten studies focused on ARGs in fresh produce, while none investigated antimicrobial residues. The most commonly observed ARB were E. coli (42.5%) followed by Klebsiella spp. (22.5%), and Salmonella spp. (20%), mainly detected on lettuce. Twenty-five articles mentioned health risks from consuming fresh produce but none quantified the risk. About half of the articles stated produce contamination occurred during pre- and post-harvest processes. Our review indicates that good agricultural and manufacturing practices, behavioural change communication and awareness-raising programs are required for all stakeholders along the food production and consumption supply chain to prevent ARB/ARG exposure through produce.
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Affiliation(s)
- Mahbubur Rahman
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Mahbub-Ul Alam
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Sharmin Khan Luies
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Abul Kamal
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Sharika Ferdous
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Audrie Lin
- Berkeley’s School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA;
| | - Fazle Sharior
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Rizwana Khan
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Ziaur Rahman
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Sarker Masud Parvez
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
- Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Nuhu Amin
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
- Institute for Sustainable Futures, University of Technology Sydney, 235 Jones St., Ultimo, NSW 2007, Australia
| | - Rezaul Hasan
- Environmental Interventions Unit, Infectious Disease Division, International Centre for Diarrhoeal Disease Research, Dhaka 1212, Bangladesh; (M.-U.A.); (S.K.L.); (A.K.); (S.F.); (F.S.); (R.K.); (Z.R.); (S.M.P.); (N.A.); (R.H.)
| | - Birkneh Tilahun Tadesse
- School of Medicine, Hawassa University, Shashemene, Awassa P.O. Box 5, Ethiopia;
- International Vaccine Institute, SNU Research Park, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Neelam Taneja
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India;
| | - Mohammad Aminul Islam
- Allen Center, Paul G. Allen School for Global Health, Washington State University, 240 SE Ott Road, Pullman, WA 99164, USA;
| | - Ayse Ercumen
- Department of Forestry and Environmental Resources, North Carolina State University, 2800 Faucette Drive, 3120 Jordan Hall, Raleigh, NC 27607, USA;
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Long Y, Lu X, Ni X, Liu J, Wang M, Li X, Li Z, Zhou H, Li Z, Wu K, Wang W, Yang L, Xu J, Chen H, Kan B. High Carriage Rate of the Multiple Resistant Plasmids Harboring Quinolone Resistance Genes in Enterobacter spp. Isolated from Healthy Individuals. Antibiotics (Basel) 2021; 11:antibiotics11010015. [PMID: 35052892 PMCID: PMC8773380 DOI: 10.3390/antibiotics11010015] [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: 11/05/2021] [Revised: 11/27/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial-resistant bacteria causing intractable and even fatal infections are a major health concern. Resistant bacteria residing in the intestinal tract of healthy individuals present a silent threat because of frequent transmission via conjugation and transposition. Plasmids harboring quinolone resistance genes are increasingly detected in clinical isolates worldwide. Here, we investigated the molecular epidemiology of plasmid-mediated quinolone resistance (PMQR) in Gram-negative bacteria from healthy service trade workers. From 157 rectal swab samples, 125 ciprofloxacin-resistant strains, including 112 Escherichia coli, 10 Klebsiella pneumoniae, two Proteus mirabilis, and one Citrobacter braakii, were isolated. Multiplex PCR screening identified 39 strains harboring the PMQR genes (including 17 qnr,19 aac(6')-Ib-cr, and 22 oqxA/oqxB). The genome and plasmid sequences of 39 and 31 strains, respectively, were obtained by short- and long-read sequencing. PMQR genes mainly resided in the IncFIB, IncFII, and IncR plasmids, and coexisted with 3-11 other resistance genes. The high PMQR gene carriage rate among Gram-negative bacteria isolated from healthy individuals suggests the high-frequency transmission of these genes via plasmids, along with other resistance genes. Thus, healthy individuals may spread antibiotic-resistant bacterial, highlighting the need for improved monitoring and control of the spread of antibiotic-resistant bacteria and genes in healthy individuals.
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Affiliation(s)
- Yongyan Long
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Xin Lu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Xiansheng Ni
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Jiaqi Liu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Mengyu Wang
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Xu Li
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Zhe Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Haijian Zhou
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Zhenpeng Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Kui Wu
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Wei Wang
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Liya Yang
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Jialiang Xu
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Haiying Chen
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
- Correspondence: (H.C.); (B.K.)
| | - Biao Kan
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- School of Public Health, Shandong University, Jinan 250012, China
- Correspondence: (H.C.); (B.K.)
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Vegetables and Fruit as a Reservoir of β-Lactam and Colistin-Resistant Gram-Negative Bacteria: A Review. Microorganisms 2021; 9:microorganisms9122534. [PMID: 34946136 PMCID: PMC8708060 DOI: 10.3390/microorganisms9122534] [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: 10/23/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 02/06/2023] Open
Abstract
Antibacterial resistance is one of the 2019 World Health Organization’s top ten threats to public health worldwide. Hence, the emergence of β-lactam and colistin resistance among Gram-negative bacteria has become a serious concern. The reservoirs for such bacteria are increasing not only in hospital settings but in several other sources, including vegetables and fruit. In recent years, fresh produce gained important attention due to its consumption in healthy diets combined with a low energy density. However, since fresh produce is often consumed raw, it may also be a source of foodborne disease and a reservoir for antibiotic resistant Gram-negative bacteria including those producing extended-spectrum β-lactamase, cephalosporinase and carbapenemase enzymes, as well as those harboring the plasmid-mediated colistin resistance (mcr) gene. This review aims to provide an overview of the currently available scientific literature on the presence of extended-spectrum β-lactamases, cephalosporinase, carbapenemase and mcr genes in Gram-negative bacteria in vegetables and fruit with a focus on the possible contamination pathways in fresh produce.
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Montero L, Irazabal J, Cardenas P, Graham JP, Trueba G. Extended-Spectrum Beta-Lactamase Producing- Escherichia coli Isolated From Irrigation Waters and Produce in Ecuador. Front Microbiol 2021; 12:709418. [PMID: 34671324 PMCID: PMC8521160 DOI: 10.3389/fmicb.2021.709418] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022] Open
Abstract
In cities across the globe, the majority of wastewater – that includes drug resistant and pathogenic bacteria among other contaminants – is released into streams untreated. This water is often subsequently used for irrigation of pastures and produce. This use of wastewater-contaminated streams allows antibiotic-resistant bacteria to potentially cycle back to humans through agricultural products. In this study, we investigated the prevalence of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolated from produce and irrigation water across 17 provinces of Ecuador. A total of 117 vegetable samples, 119 fruit samples, and 38 irrigation water samples were analyzed. Results showed that 11% of the samples were positive for E. coli including 11 irrigation water samples (29%), and samples of 13 vegetables (11%), and 11 fruits (9%). Among the 165 E. coli isolates cultured, 96 (58%) had the ESBL phenotype, and 58% of ESBL producing E. coli came from irrigation water samples, 11% from vegetables, and 30% from fruits. The blaCTX–M–55, blaCTX–M 65, and blaCTX–M 15 genes were the most frequently found gene associated with the ESBL phenotype and coincided with the blaCTX–M alleles associated with human infections in Ecuador. Three isolates had the mcr-1 gene which is responsible for colistin resistance. This report provides evidence of the potential role of irrigation water in the growing antimicrobial resistance crisis in Ecuador.
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Affiliation(s)
- Lorena Montero
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Jorge Irazabal
- Agrocalidad, Agencia de Regulación y Control Fito y Zoosanitario, Quito, Ecuador
| | - Paul Cardenas
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
| | - Jay P Graham
- Environmental Health Sciences Division, University of California, Berkeley, Berkeley, CA, United States
| | - Gabriel Trueba
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
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Zhang Y, Kuang X, Liu J, Sun RY, Li XP, Sun J, Liao XP, Liu YH, Yu Y. Identification of the Plasmid-Mediated Colistin Resistance Gene mcr-1 in Escherichia coli Isolates From Migratory Birds in Guangdong, China. Front Microbiol 2021; 12:755233. [PMID: 34745062 PMCID: PMC8567052 DOI: 10.3389/fmicb.2021.755233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 09/23/2021] [Indexed: 01/10/2023] Open
Abstract
We determined the prevalence and transmission characteristics of mcr-1-positive Escherichia coli (MCRPEC) isolates from migratory birds Anser indicus in Guangdong, China. We identified 22 MCRPEC from 303 A. indicus fecal samples (7.3%) in Guangzhou, Zhaoqing, and Futian. The mcr-1 gene coexisted with 24 other types of antibiotic resistance genes (ARG), and 11 ARGs were highly prevalent at levels >50%. The MCRPEC displayed a diversity of sequence types (ST), and 19 distinct STs were identified with ST10, ST1146, and ST1147 as the most prevalent. In addition, these MCRPEC from birds were closely related phylogenetically to those from other sources in China. Whole-genome sequencing analysis demonstrated that mcr-1 was located on IncX4 (n=9, 40.9%), IncI2 (n=5, 22.7%) and IncP (n=1, 4.5%) plasmids and the latter shared an identical plasmid backbone with other sources. These results highlight the significance of migratory birds in the transmission of antibiotic resistance and provide powerful evidence that migratory birds are potential transmitters of antibiotic resistance.
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Affiliation(s)
- Yan Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Xu Kuang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Juan Liu
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Ruan-Yang Sun
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Xing-Ping Li
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Jian Sun
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Xiao-Ping Liao
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Ya-Hong Liu
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yang Yu
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
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Cao X, Zhong Q, Guo Y, Hang Y, Chen Y, Fang X, Xiao Y, Zhu H, Luo H, Yu F, Hu L. Emergence of the Coexistence of mcr-1, bla NDM-5, and bla CTX-M-55 in Klebsiella pneumoniae ST485 Clinical Isolates in China. Infect Drug Resist 2021; 14:3449-3458. [PMID: 34483670 PMCID: PMC8409518 DOI: 10.2147/idr.s311808] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/29/2021] [Indexed: 12/28/2022] Open
Abstract
Introduction Polymyxin resistance caused by the plasmid-mediated mcr-1 gene in gram-negative bacilli poses a huge threat to our health. In recent years, many regions have reported that mcr-1 and β-lactamase genes can coexist in a single strain. Methods In this study, 107 nonduplicate Klebsiella pneumoniae (K. pneumoniae) isolates were collected from a tertiary hospital in Jiangxi, China. Antimicrobial susceptibility testing of isolates was performed using gram-negative susceptibility cards on the VITEK system. The minimum inhibitory concentrations (MICs) of polymyxin B was detected using the microdilution broth method. The presence of resistance genes was assessed using polymerase chain reaction (PCR). We subjected isolates to genotyping using pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) and analyzed the transferability of plasmids with filter mating and electroporation. Subsequently, whole-genome sequencing was performed for plasmids. Results Of the 107 K. pneumoniae isolates, 15 (14.0%) were resistant to polymyxin B. All polymyxin B-resistant isolates harbored at least one of the extended-spectrum β-lactamase genes tested. Only one isolate simultaneously harbored mcr-1, blaNDM-5, blaCTX-M-55 , and blaSHV-27 genes. MLST results showed that 15 carbapenem-resistant K. pneumoniae isolates belonged to five sequence types (STs). PFGE results displayed nine different PFGE clusters. Conjugation and transformation experiments and sequencing analysis showed that the strain had three plasmids, and mcr-1, blaNDM-5 , and blaCTX-M-55 were located on different plasmids. Conclusion The present study demonstrated for the first time the coexistence of mcr-1, blaNDM-5 , and blaCTX-M-55 in a K. pneumoniae ST485 isolate. The three plasmids carrying the mcr-1, blaNDM-5 , and blaCTX-M-55 genes can be transmitted in Enterobacteriaceae strains, which may lead to more severe bacterial resistance.
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Affiliation(s)
- Xingwei Cao
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Qiaoshi Zhong
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Yinjuan Guo
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200082, People's Republic of China.,Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200082, People's Republic of China
| | - Yaping Hang
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Yanhui Chen
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Xueyao Fang
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Yanping Xiao
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Hongying Zhu
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Hong Luo
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Fangyou Yu
- Department of Clinical Laboratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200082, People's Republic of China.,Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200082, People's Republic of China
| | - Longhua Hu
- Jiangxi Provincial Key Laboratory of Medicine, Clinical Laboratory of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People's Republic of China
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Sun RY, Ke BX, Fang LX, Guo WY, Li XP, Yu Y, Zheng SL, Jiang YW, He DM, Sun J, Ke CW, Liu YH, Liao XP. Global clonal spread of mcr-3-carrying MDR ST34 Salmonella enterica serotype Typhimurium and monophasic 1,4,[5],12:i:- variants from clinical isolates. J Antimicrob Chemother 2021; 75:1756-1765. [PMID: 32274508 DOI: 10.1093/jac/dkaa115] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 02/28/2020] [Accepted: 03/03/2020] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES To investigate the prevalence and transmission of mcr-3 among Salmonella enterica serotype Typhimurium and 1,4,[5],12:i:-. METHODS A total of 4724 clinical Salmonella isolates were screened for the presence of mcr-3 in China during 2014-19. The clonal relationship of the mcr-3-positive isolates and their plasmid contents and complete sequence were also characterized based on WGS data from the Illumina and MinION platforms. RESULTS We identified 10 mcr-3-positive isolates, and all were MDR, mostly resistant to colistin, cefotaxime, ciprofloxacin, doxycycline and florfenicol. mcr-3 was co-present with blaCTX-M-55-qnrS1 on hybrid ST3-IncC-FII conjugatable plasmids (n = 6) and an ST3-IncC non-conjugatable plasmid (n = 1) and embedded into a pCHL5009T-like IncFII plasmid on the Salmonella chromosome (n = 3). Four distinctive genetic contexts surrounded mcr-3 and all but one were closely related to each other and to the corresponding region of IncFII plasmid pCHL5009T. IS15DI was most likely the vehicle for integration of mcr-3-carrying IncFII plasmids into ST3-IncC plasmids and the chromosome and for shaping the MDR regions. In addition, a phylogenetic tree based on the core genome revealed a unique Salmonella lineage (≤665 SNPs) that contained these 10 mcr-3-positive isolates and another 38 (33 from patients) mcr-3-positive Salmonella from five countries. In particular, most of the 51 mcr-3-positive isolates belonged to ST34 and harboured diverse antibiotic resistance genes (ARGs), including mcr-3-blaCTX-M-55-qnrS1, and possessed similar ARG profiles. CONCLUSIONS Our findings revealed global clonal spread of MDR ST34 Salmonella from clinical isolates co-harbouring mcr-3 with blaCTX-M-55 and qnrS1 and a flexibility of mcr-3 co-transmittance with other ARGs mediated by mobile genetic elements.
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Affiliation(s)
- Ruan-Yang Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Bi-Xia Ke
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, P. R. China
| | - Liang-Xing Fang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Wen-Ying Guo
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Xing-Ping Li
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Yang Yu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Si-Lin Zheng
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Yu-Wei Jiang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Dong-Mei He
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, P. R. China
| | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Chang-Wen Ke
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, P. R. China
| | - Ya-Hong Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Xiao-Ping Liao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou, P. R. China.,Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
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A Bibliometric Meta-Analysis of Colistin Resistance in Klebsiella pneumoniae. Diseases 2021; 9:diseases9020044. [PMID: 34202931 PMCID: PMC8293170 DOI: 10.3390/diseases9020044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 11/16/2022] Open
Abstract
Colistin is a last resort antibiotic medication for the treatment of infections caused by carbapenem-resistant Klebsiella pneumoniae. In recent years, various mechanisms have been reported to mediate colistin resistance in K. pneumoniae. This study reports a bibliometric analysis of published articles retrieved from the Scopus database relating to colistin resistance in K. pneumoniae. The research trends in colistin resistance and mechanisms of resistance were considered. A total of 1819 research articles published between 1995 and 2019 were retrieved, and the results indicated that 50.19% of the documents were published within 2017–2019. The USA had the highest participation with 340 (14.31%) articles and 14087 (17.61%) citations. Classification based on the WHO global epidemiological regions showed that the European Region contributed 42% of the articles while the American Region contributed 21%. The result further indicated that 45 countries had published at least 10 documents with strong international collaborations amounting to 272 links and a total linkage strength of 735. A total of 2282 keywords were retrieved; however, 57 keywords had ≥15 occurrences with 764 links and a total linkage strength of 2388. Furthermore, mcr-1, colistin resistance, NDM, mgrB, ceftazidime-avibactam, MDR, combination therapy, and carbapenem-resistant Enterobacteriaceae were the trending keywords. Concerning funders, the USA National Institute of Health funded 9.1% of the total research articles, topping the list. The analysis indicated poor research output, collaboration, and funding from Africa and South-East Asia and demands for improvement in international research collaboration.
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19
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Barbieri NL, Pimenta RL, de Melo DA, Nolan LK, de Souza MMS, Logue CM. mcr-1 Identified in Fecal Escherichia coli and Avian Pathogenic E. coli (APEC) From Brazil. Front Microbiol 2021; 12:659613. [PMID: 33959114 PMCID: PMC8093808 DOI: 10.3389/fmicb.2021.659613] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/19/2021] [Indexed: 01/13/2023] Open
Abstract
Colisitin-associated resistance in bacteria of food producing animals has gained significant attention with the mcr gene being linked with resistance. Recently, newer variants of mcr have emerged with more than nine variants currently recognized. Reports of mcr associated resistance in Escherichia coli of poultry appear to be relatively limited, but its prevalence requires assessment since poultry is one of the most important and cheapest sources of the world’s protein and the emergence of resistance could limit our ability to treat disease outbreaks. Here, 107 E. coli isolates from production poultry were screened for the presence of mcr 1–9. The isolates were collected between April 2015 and June 2016 from broiler chickens and free-range layer hens in Rio de Janeiro, Brazil. All isolates were recovered from the trachea and cloaca of healthy birds and an additional two isolates were recovered from sick birds diagnosed with colibacillosis. All isolates were screened for the presence of mcr-1 to 9 using PCR and Sanger sequencing for confirmation of positive genes. Additionally, pulse field gel electrophoresis (PFGE) analysis, avian fecal E. coli (APEC) virulence associated gene screening, plasmid replicon typing and antimicrobial resistance phenotype and resistance gene screening, were also carried out to further characterize these isolates. The mcr-1 gene was detected in 62 (57.9%) isolates (61 healthy and 1 APEC) and the mcr-5 gene was detected in 3 (2.8%) isolates; mcr-2, mcr-3, mcr-4, mcr-6, mcr-7, mcr-8, and mcr-9 were not detected in any isolate. In addition, mcr 1 and 5 positive isolates were phenotypically resistant to colistin using the agar dilution assay (> 8ug/ml). PFGE analysis found that most of the isolates screened had unique fingerprints suggesting that the emergence of colistin resistance was not the result of clonal dissemination. Plasmid replicon types IncI2, FIB, and B/O were found in 38, 36, and 34% of the mcr positive isolates and were the most prevalent replicon types detected; tetA and tetB (32 and 26%, respectively) were the most prevalent antimicrobial resistance genes detected and iutA, was the most prevalent APEC virulence associated gene, detected in 50% of the isolates. Approximately 32% of the isolates examined could be classified as APEC-like, based on the presence of 3 or more genes of APEC virulence associated path panel (iroN, ompT, hlyF, iss, iutA). This study has identified a high prevalence of mcr-1 in poultry isolates in Brazil, suggesting that animal husbandry practices could result in a potential source of resistance to the human food chain in countries where application of colistin in animal health is practiced. Emergence of the mcr gene and associated colisitin resistance in production poultry warrants continued monitoring from the animal health and human health perspective.
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Affiliation(s)
- Nicolle Lima Barbieri
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Ramon Loureiro Pimenta
- Department of Veterinary Science, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Dayanne Araujo de Melo
- Department of Veterinary Science, Universidade Federal Rural do Rio de Janeiro, Seropedica, Brazil
| | - Lisa K Nolan
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | | | - Catherine M Logue
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
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20
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Yuan J, Wang X, Shi D, Ge Q, Song X, Hu W, Wei D, Ge C, Li X, Hu C. Extensive antimicrobial resistance and plasmid-carrying resistance genes in mcr-1-positive E. coli sampled in swine, in Guangxi, South China. BMC Vet Res 2021; 17:86. [PMID: 33602222 PMCID: PMC7893886 DOI: 10.1186/s12917-021-02758-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 01/12/2021] [Indexed: 11/16/2022] Open
Abstract
Background The discovery of the superbug mcr-1-positive Escherichia coli (MCRPEC) has drew greet attention. Swine-origin multi-drug resistant MCRPEC has been a potential threat to public health and safety. However, there were few detailed studies have been reported on swine MCRPEC in Guangxi, South China. Results In this study, thirty-three MCRPEC strains were detected from 142 E. coli strains from 116 samples in Guangxi in 2018. Which could be classified into eight unique STs and a total of six incompatibility plasmid groups (IncFI, IncHI1, IncY, IncN, IncI1 and IncX1). After that, the susceptibility of MCRPEC isolates to 27 antimicrobial agents belonging to 17 antimicrobial categories was tested. There were nineteen E. coli resistant to 3rd and 4th generation cephalosporins and twelve E. coli resistant to carbapenem resistan. Importantly, the MCRPEC showed high resistance highly resistance for imipenem and meropenem, which were forbidden to use in livestock production. Three MCRPEC strains were further proved to be extensively drug-resistant (XDR), and the other isolates were multi-drug-resistant (MDR). Furthermore, we found that the plasmid-carrying resistance genes coexisted with the mcr-1 gene of the MCRPEC isolates. Which were listed as follows: β-lactamase antimicrobial resistance genes e.g. ESBL genes (blaCTX-M14, blaCTX-M24, blaCTX-M123, blaOXA-1), plasmid-mediated AmpC (pAmpC) gene (blaCMY-2), the carbapenem resistance gene (blaNDM-5), and non-β-lactamase antimicrobial resistance genes (qnrA, qnrB, qnrS, aac (6′)-Ib-cr, tetA, tetB, sul1, sul2, floR, aadA). Conclusion Thirty-three mcr-1-positive E. coli isolates in Guangxi displayed a wide profile of antimicrobial resistance. Plasmid-carrying resistance genes might be the main cause of MCRPEC multidrug resistance. This study highlighted the necessity for long-term surveillance of mcr-1-positive E. coli in pigs. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-021-02758-4.
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Affiliation(s)
- Jingzhi Yuan
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Xiaoye Wang
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China.
| | - Dali Shi
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Qiang Ge
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Xingxing Song
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Wen Hu
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Deyuan Wei
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Chenling Ge
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Xun Li
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Chuanhuo Hu
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, P. R. China
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21
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Phenotypic and genotypic detection of antibiotic-resistant bacteria in fresh fruit juices from a public hospital in Rio de Janeiro. Arch Microbiol 2021; 203:1471-1475. [PMID: 33398401 DOI: 10.1007/s00203-020-02139-9] [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: 07/01/2020] [Revised: 11/11/2020] [Accepted: 12/03/2020] [Indexed: 10/22/2022]
Abstract
Gram-negative bacteria are worrisome because they are becoming resistant to many antibiotic available options, mainly in hospital environment. Several studies have noted the presence of bacteria producing extended-spectrum beta-lactamase, with the presence of antibiotic-resistance genes in fresh vegetables and fruits. This study aimed to detect the presence of phenotypic and genotypic resistance in eight samples of fresh fruit juices served to patients admitted to a hospital in Rio de Janeiro. The growth of microorganisms on MacConkey and XLD agar was carried out to obtain a "pool" of Gram-negative bacteria. The disk diffusion test and the polymerase chain reaction were performed to detect the phenotypic and genotypic resistance of Gram-negative bacteria to the tested antibiotics. The multidrug resistance was detected in all samples and the shv, tem, ctx, tetA, tetB and oxa- 48 genes were found in the samples, including the presence of class 2 and 3 integrons. We can conclude that the selection methodology allows the detection of a greater number of genes and this found warns about the risk of making these foods available to patients in hospitals.
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22
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El-Sayed Ahmed MAEG, Zhong LL, Shen C, Yang Y, Doi Y, Tian GB. Colistin and its role in the Era of antibiotic resistance: an extended review (2000-2019). Emerg Microbes Infect 2020; 9:868-885. [PMID: 32284036 PMCID: PMC7241451 DOI: 10.1080/22221751.2020.1754133] [Citation(s) in RCA: 324] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 03/28/2020] [Accepted: 04/04/2020] [Indexed: 12/17/2022]
Abstract
Increasing antibiotic resistance in multidrug-resistant (MDR) Gram-negative bacteria (MDR-GNB) presents significant health problems worldwide, since the vital available and effective antibiotics, including; broad-spectrum penicillins, fluoroquinolones, aminoglycosides, and β-lactams, such as; carbapenems, monobactam, and cephalosporins; often fail to fight MDR Gram-negative pathogens as well as the absence of new antibiotics that can defeat these "superbugs". All of these has prompted the reconsideration of old drugs such as polymyxins that were reckoned too toxic for clinical use. Only two polymyxins, polymyxin E (colistin) and polymyxin B, are currently commercially available. Colistin has re-emerged as a last-hope treatment in the mid-1990s against MDR Gram-negative pathogens due to the development of extensively drug-resistant GNB. Unfortunately, rapid global resistance towards colistin has emerged following its resurgence. Different mechanisms of colistin resistance have been characterized, including intrinsic, mutational, and transferable mechanisms.In this review, we intend to discuss the progress over the last two decades in understanding the alternative colistin mechanisms of action and different strategies used by bacteria to develop resistance against colistin, besides providing an update about what is previously recognized and what is novel concerning colistin resistance.
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Affiliation(s)
- Mohamed Abd El-Gawad El-Sayed Ahmed
- Department of Microbiology, Zhongshan School of
Medicine, Sun Yat-sen University, Guangzhou, People’s Republic of
China
- Key Laboratory of Tropical Diseases Control, Sun
Yat-sen University, Ministry of Education, Guangzhou, People’s
Republic of China
- Department of Microbiology and Immunology,
Faculty of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science
and Technology (MUST), Cairo, Egypt
| | - Lan-Lan Zhong
- Department of Microbiology, Zhongshan School of
Medicine, Sun Yat-sen University, Guangzhou, People’s Republic of
China
- Key Laboratory of Tropical Diseases Control, Sun
Yat-sen University, Ministry of Education, Guangzhou, People’s
Republic of China
| | - Cong Shen
- Department of Microbiology, Zhongshan School of
Medicine, Sun Yat-sen University, Guangzhou, People’s Republic of
China
- Key Laboratory of Tropical Diseases Control, Sun
Yat-sen University, Ministry of Education, Guangzhou, People’s
Republic of China
| | - Yongqiang Yang
- Department of Microbiology, Zhongshan School of
Medicine, Sun Yat-sen University, Guangzhou, People’s Republic of
China
- Key Laboratory of Tropical Diseases Control, Sun
Yat-sen University, Ministry of Education, Guangzhou, People’s
Republic of China
| | - Yohei Doi
- University of Pittsburgh School of
Medicine, Pittsburgh, PA, USA
- Department of Microbiology and Infectious
Diseases, Fujita Health University, School of Medicine, Aichi,
Japan
| | - Guo-Bao Tian
- Department of Microbiology, Zhongshan School of
Medicine, Sun Yat-sen University, Guangzhou, People’s Republic of
China
- Key Laboratory of Tropical Diseases Control, Sun
Yat-sen University, Ministry of Education, Guangzhou, People’s
Republic of China
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Hu Y, Anes J, Devineau S, Fanning S. Klebsiella pneumoniae: Prevalence, Reservoirs, Antimicrobial Resistance, Pathogenicity, and Infection: A Hitherto Unrecognized Zoonotic Bacterium. Foodborne Pathog Dis 2020; 18:63-84. [PMID: 33124929 DOI: 10.1089/fpd.2020.2847] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Klebsiella pneumoniae is considered an opportunistic pathogen, constituting an ongoing health concern for immunocompromised patients, the elderly, and neonates. Reports on the isolation of K. pneumoniae from other sources are increasing, many of which express multidrug-resistant (MDR) phenotypes. Three phylogroups were identified based on nucleotide differences. Niche environments, including plants, animals, and humans appear to be colonized by different phylogroups, among which KpI (K. pneumoniae) is commonly associated with human infection. Infections with K. pneumoniae can be transmitted through contaminated food or water and can be associated with community-acquired infections or between persons and animals involved in hospital-acquired infections. Increasing reports are describing detections along the food chain, suggesting the possibility exists that this could be a hitherto unexplored reservoir for this opportunistic bacterial pathogen. Expression of MDR phenotypes elaborated by these bacteria is due to the nature of various plasmids carrying antimicrobial resistance (AMR)-encoding genes, and is a challenge to animal, environmental, and human health alike. Raman spectroscopy has the potential to provide for the rapid identification and screening of antimicrobial susceptibility of Klebsiella isolates. Moreover, hypervirulent isolates linked with extraintestinal infections express phenotypes that may support their niche adaptation. In this review, the prevalence, reservoirs, AMR, Raman spectroscopy detection, and pathogenicity of K. pneumoniae are summarized and various extraintestinal infection pathways are further narrated to extend our understanding of its adaptation and survival ability in reservoirs, and associated disease risks.
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Affiliation(s)
- Yujie Hu
- UCD-Centre for Food Safety, UCD School of Public Health, Physiotherapy and Sports Science, Science Centre South, College of Health and Agricultural Sciences, University College Dublin (UCD), Dublin, Ireland.,Key Laboratory of Food Safety Risk Assessment, Ministry of Health, China National Center for Food Safety Risk Assessment, Beijing, China
| | - João Anes
- UCD-Centre for Food Safety, UCD School of Public Health, Physiotherapy and Sports Science, Science Centre South, College of Health and Agricultural Sciences, University College Dublin (UCD), Dublin, Ireland
| | | | - Séamus Fanning
- UCD-Centre for Food Safety, UCD School of Public Health, Physiotherapy and Sports Science, Science Centre South, College of Health and Agricultural Sciences, University College Dublin (UCD), Dublin, Ireland.,Key Laboratory of Food Safety Risk Assessment, Ministry of Health, China National Center for Food Safety Risk Assessment, Beijing, China.,Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
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24
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The Mobile Colistin Resistance Gene, mcr-1.1, Is Carried on IncX4 Plasmids in Multidrug Resistant E. coli Isolated from Rainbow Trout Aquaculture. Microorganisms 2020; 8:microorganisms8111636. [PMID: 33113918 PMCID: PMC7690709 DOI: 10.3390/microorganisms8111636] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/13/2020] [Accepted: 10/21/2020] [Indexed: 12/22/2022] Open
Abstract
Colistin, a last resort antibiotic, is important for controlling infections with carbapenem-resistant Enterobacteriaceae. The recent emergence of mobile-colistin-resistance (mcr) genes has threatened the effectiveness of colistin. Aquaculture is hypothesized to be a major contributor to the evolution and dissemination of mcr. However, data on mcr in aquaculture are limited. Here, the occurrence of mcr-1 was assessed in Rainbow Trout in Lebanon, a country with developing antimicrobial stewardship and an established use of colistin for medical and farming purposes. mcr-1 was detected in 5 Escherichia coli isolated from fish guts. The isolates were classified as multidrug-resistant and their colistin minimum inhibitory concentration ranged between 16 and 32 μg/mL. Whole genome sequencing analysis showed that mcr-1 was carried on transmissible IncX4 plasmids and that the isolates harbored more than 14 antibiotic resistance genes. The isolates belonged to ST48 and ST101, which have been associated with mcr and can occur in humans and fish. The mcr-1-positive E. coli persisted in 6-day biofilms, but there was a potential fitness cost. Given the status of infrastructure in Lebanon, there is a high potential for the dissemination of mcr via aquatic environments. Urgent actions are needed to control mcr and to enhance antimicrobial stewardship in Lebanon.
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Flores C, Bianco K, de Filippis I, Clementino MM, Romão CMC. Genetic Relatedness of NDM-Producing Klebsiella pneumoniae Co-Occurring VIM, KPC, and OXA-48 Enzymes from Surveillance Cultures from an Intensive Care Unit. Microb Drug Resist 2020; 26:1219-1226. [DOI: 10.1089/mdr.2019.0483] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Claudia Flores
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | - Kayo Bianco
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | - Ivano de Filippis
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
| | | | - Célia Maria C.P.A. Romão
- Fundação Oswaldo Cruz, Instituto Nacional de Controle de Qualidade em Saúde, Rio de Janeiro, Brazil
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Liu F, Zhang R, Yang Y, Li H, Wang J, Lan J, Li P, Zhu Y, Xie Z, Jiang S. Occurrence and Molecular Characteristics of Mcr-1-Positive Escherichia coli from Healthy Meat Ducks in Shandong Province of China. Animals (Basel) 2020; 10:ani10081299. [PMID: 32751361 PMCID: PMC7459970 DOI: 10.3390/ani10081299] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/30/2020] [Accepted: 07/24/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Colistin has been used as a growth promotant in livestock feed for many years. To date, there are few reports about the prevalence and molecular characteristics of fecal Escherichia coli bearing mcr-1 in the meat ducks. In this study, among 120 fecal Escherichia coli strains isolated from healthy meat ducks, a total of nine mcr-1-containing E. coli strains were identified and two were identified as extra-intestinal pathogenic E. coli. The 9 mcr-1-bearing E. coli isolates were clonally unrelated, carried two different genetic contexts of mcr-1, and the colistin-resistant phenotype of them was successfully transferred to the recipient strains. These results highlight that healthy meat duck is a potential reservoir for multidrug resistant mcr-1-containing E. coli strains. Abstract Colistin has been used as a growth promotant in livestock feed for many years. In China, mcr-1-positive Escherichia coli strains have been isolated from humans, chickens, and pigs. To date, there are few reports about the prevalence and molecular characteristics of fecal E. coli bearing mcr-1 in the meat ducks. In this study, the prevalence of mcr-1 gene was investigated among 120 fecal E. coli strains isolated from healthy meat ducks in Shandong province of China between October 2017 and February 2018. A total of nine mcr-1-containing E. coli strains were identified and two were identified as extra-intestinal pathogenic E. coli (ExPEC) among them. The clonal relationship of the nine E. coli strains was determined by multilocus sequencing typing (MLST) and pulsed field gel electrophoresis (PFGE), and the results indicated that all mcr-1-carrying isolates were clonally unrelated. Two different genetic contexts of mcr-1 were identified among these isolates. Colistin-resistant phenotype of all the isolates was successfully transferred to the recipient strains by conjugation experiments and seven transconjugants carried a single plasmid. The mcr-1 was located on three replicon plasmids: IncI2 (n = 4), IncFII (n = 2) and IncN (n = 1). Complete sequence analysis of a representative plasmid pTA9 revealed that it was strikingly similar with plasmid pMCR1-IncI2 of E. coli, plasmid pHNSHP45 of E. coli, and plasmid pWF-5-19C of Cronobacter sakazakii, implying that pTA9-like plasmids may be epidemic plasmids that mediate the spread of mcr-1 among Enterobacteriaceae. These results highlight that healthy meat duck is a potential reservoir for multidrug resistant mcr-1-containing E. coli strains.
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Affiliation(s)
- Fengzhi Liu
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Ruihua Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Yupeng Yang
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Hanqing Li
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Jingyu Wang
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Jingjing Lan
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Pengfei Li
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
| | - Yanli Zhu
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Zhijing Xie
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
| | - Shijin Jiang
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271000, China; (F.L.); (R.Z.); (Y.Y.); (H.L.); (J.W.); (J.L.); (P.L.); (Y.Z.); (Z.X.)
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 271000, China
- Correspondence: ; Tel.: +86-538-8245799
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Adiguzel MC, Baran A, Wu Z, Cengiz S, Dai L, Oz C, Ozmenli E, Goulart DB, Sahin O. Prevalence of Colistin Resistance in Escherichia coli in Eastern Turkey and Genomic Characterization of an mcr-1 Positive Strain from Retail Chicken Meat. Microb Drug Resist 2020; 27:424-432. [PMID: 32721263 DOI: 10.1089/mdr.2020.0209] [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: 10/23/2022] Open
Abstract
Colistin is one of the most effective antibiotics against multidrug resistant Gram-negative bacteria. However, the recent emergence of plasmid-borne mobilized colistin resistance (mcr) genes is considered a serious antimicrobial resistance challenge worldwide. In this study, we report detection of an mcr-1 carrying Escherichia coli isolate (named ATAVET mcr-1 Turkey) from retail raw chicken meat in Turkey. Of the 11 (from 500 total tested) phenotypically colistin-resistant isolates, 1 was shown to carry the mcr-1 gene by PCR. Whole-genome sequencing indicated that mcr-1 was located on a ∼13 kb-long contig that was almost identical to the corresponding part in pZJ1635, an IncI2 plasmid encoding mcr-1 in the same genetic context in another E. coli strain. In addition, ATAVET mcr-1 Turkey harbored blaCTX-M-8, qnrB19, mdf(A), tet(A), sul2, aph(3″)-Ib, aph(6)-Id, and floR resistance genes. Phylogenetic analysis based on whole genome and multilocus sequence typing indicated that ATAVET mcr-1 Turkey was more closely related to mcr-1 carrying E. coli isolates from food and human clinical samples previously reported from different parts of the world than to those from Turkey. These findings further emphasize the worldwide emergence and spread of mcr meditated colistin resistance in bacteria with zoonotic potential within animals and the food chain.
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Affiliation(s)
- Mehmet Cemal Adiguzel
- Department of Microbiology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey.,Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
| | - Alper Baran
- Department of Food Quality Control and Analysis, Erzurum Vocational School, Ataturk University, Erzurum, Turkey
| | - Zuowei Wu
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
| | - Seyda Cengiz
- Department of Microbiology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Lei Dai
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
| | - Cihan Oz
- Department of Microbiology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Esma Ozmenli
- Department of Microbiology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Debora Brito Goulart
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
| | - Orhan Sahin
- Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
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Acquired Genetic Elements that Contribute to Antimicrobial Resistance in Frequent Gram-Negative Causative Agents of Healthcare-Associated Infections. Am J Med Sci 2020; 360:631-640. [PMID: 32747008 DOI: 10.1016/j.amjms.2020.06.028] [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] [Received: 12/17/2019] [Revised: 04/26/2020] [Accepted: 06/29/2020] [Indexed: 12/12/2022]
Abstract
Antimicrobial resistance (AMR) is a worldwide public health problem that reduces therapeutic options and increases the risk of death. The causative agents of healthcare-associated infections (HAIs) are drug-resistant microorganisms of the nosocomial environment, which have developed different mechanisms of AMR. The hospital-associated microbiota has been proposed to be a reservoir of genes associated with AMR and an environment where the transfer of genetic material among organisms may occur. The ESKAPE group (Enterococcus faecalis and Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter aerogenes and Escherichia coli) is a frequent causative agents of HAIs. In this review, we address the issue of acquired genetic elements that contribute to AMR in the most frequent Gram-negative of ESKAPE, with a focus on last resort antimicrobial agents and the role of transference of genetic elements for the development of AMR.
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Luo Q, Wang Y, Xiao Y. Prevalence and transmission of mobilized colistin resistance (mcr) gene in bacteria common to animals and humans. BIOSAFETY AND HEALTH 2020. [DOI: 10.1016/j.bsheal.2020.05.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Rodriguez-Manzano J, Moser N, Malpartida-Cardenas K, Moniri A, Fisarova L, Pennisi I, Boonyasiri A, Jauneikaite E, Abdolrasouli A, Otter JA, Bolt F, Davies F, Didelot X, Holmes A, Georgiou P. Rapid Detection of Mobilized Colistin Resistance using a Nucleic Acid Based Lab-on-a-Chip Diagnostic System. Sci Rep 2020; 10:8448. [PMID: 32439986 PMCID: PMC7242339 DOI: 10.1038/s41598-020-64612-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/13/2020] [Indexed: 11/30/2022] Open
Abstract
The increasing prevalence of antimicrobial resistance is a serious threat to global public health. One of the most concerning trends is the rapid spread of Carbapenemase-Producing Organisms (CPO), where colistin has become the last-resort antibiotic treatment. The emergence of colistin resistance, including the spread of mobilized colistin resistance (mcr) genes, raises the possibility of untreatable bacterial infections and motivates the development of improved diagnostics for the detection of colistin-resistant organisms. This work demonstrates a rapid response for detecting the most recently reported mcr gene, mcr−9, using a portable and affordable lab-on-a-chip (LoC) platform, offering a promising alternative to conventional laboratory-based instruments such as real-time PCR (qPCR). The platform combines semiconductor technology, for non-optical real-time DNA sensing, with a smartphone application for data acquisition, visualization and cloud connectivity. This technology is enabled by using loop-mediated isothermal amplification (LAMP) as the chemistry for targeted DNA detection, by virtue of its high sensitivity, specificity, yield, and manageable temperature requirements. Here, we have developed the first LAMP assay for mcr−9 - showing high sensitivity (down to 100 genomic copies/reaction) and high specificity (no cross-reactivity with other mcr variants). This assay is demonstrated through supporting a hospital investigation where we analyzed nucleic acids extracted from 128 carbapenemase-producing bacteria isolated from clinical and screening samples and found that 41 carried mcr−9 (validated using whole genome sequencing). Average positive detection times were 6.58 ± 0.42 min when performing the experiments on a conventional qPCR instrument (n = 41). For validating the translation of the LAMP assay onto a LoC platform, a subset of the samples were tested (n = 20), showing average detection times of 6.83 ± 0.92 min for positive isolates (n = 14). All experiments detected mcr−9 in under 10 min, and both platforms showed no statistically significant difference (p-value > 0.05). When sample preparation and throughput capabilities are integrated within this LoC platform, the adoption of this technology for the rapid detection and surveillance of antimicrobial resistance genes will decrease the turnaround time for DNA detection and resistotyping, improving diagnostic capabilities, patient outcomes, and the management of infectious diseases.
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Affiliation(s)
- Jesus Rodriguez-Manzano
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom. .,Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom.
| | - Nicolas Moser
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
| | - Kenny Malpartida-Cardenas
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
| | - Ahmad Moniri
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
| | - Lenka Fisarova
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
| | - Ivana Pennisi
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
| | - Adhiratha Boonyasiri
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Elita Jauneikaite
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom.,Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, United Kingdom
| | - Alireza Abdolrasouli
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Jonathan A Otter
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom.,Imperial College Healthcare NHS Trust, St Mary's Hospital, London, United Kingdom
| | - Frances Bolt
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Frances Davies
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Xavier Didelot
- School of Life Sciences and Department of Statistics, University of Warwick, Coventry, United Kingdom
| | - Alison Holmes
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Pantelis Georgiou
- Centre for Bio-Inspired Technology, Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, United Kingdom
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Amin MB, Sraboni AS, Hossain MI, Roy S, Mozmader TAU, Unicomb L, Rousham EK, Islam MA. Occurrence and genetic characteristics of mcr-1-positive colistin-resistant E. coli from poultry environments in Bangladesh. J Glob Antimicrob Resist 2020; 22:546-552. [PMID: 32344122 DOI: 10.1016/j.jgar.2020.03.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES Colistin is one of the last-resort antibiotics for the treatment of multidrug-resistant (MDR) Gram-negative bacterial infections. We determined the occurrence and characteristics of mcr-1-producing Escherichia coli obtained from live bird markets (LBMs), rural poultry farms (RPFs) and rural household backyard poultry environments (HBPs) in Bangladesh. METHODS We tested 104 extended-spectrum β-lactamase (ESBL)-producing E. coli isolated during 2017-2018 from poultry sources for colistin resistance. We analysed the resistant isolates for the mcr genes and characterized mcr-positive isolates for antibiotic susceptibility, antibiotic resistance genes, transmissible plasmids and clonal diversity. RESULTS Of 104 isolates, 98 (94%) had MICcolistin ≥4 μg/mL and 14 (13.5%) were positive for mcr-1, of which 10 were from LBMs (n = 10), 3 were from RPFs and 1 was from an HBP. All 14 mcr-1 E. coli were resistant to third-generation cephalosporin and tetracycline, whereas 12 were resistant to fluoroquinolone and sulfamethoxazole, 10 were resistant to aminoglycosides and 3 were resistant to nitrofurantoin. Four isolates carried conjugative mcr-1 plasmid of 23-55 MDa in size. The 55 MDa plasmid found in two isolates carried additional resistant genes including blaCTX-M-group-1 and blaTEM-1 (ESBL), qnrB (fluoroquinolone), and rmtB (aminoglycoside). These plasmids belong to the IncF family with additional replicons: HI1 and N. Enterobacterial repetitive intergenic consensus-polymerase chain reaction revealed a heterogeneous banding pattern of mcr-1-positive isolates. CONCLUSION We report a 13.5% prevalence of mcr-1-positive MDR E. coli in poultry faecal samples predominantly from LBMs in Bangladesh accentuating the need for safe disposal of poultry faeces and hygiene practices among people exposed to poultry.
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Affiliation(s)
- Mohammed Badrul Amin
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh.
| | - Ajrin Sultana Sraboni
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Muhammed Iqbal Hossain
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Subarna Roy
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Tim Amin Uddin Mozmader
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Leanne Unicomb
- Environmental Intervention Unit, Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Emily K Rousham
- Centre for Global Health and Human Development, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Mohammad Aminul Islam
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh; Paul G. Allen School for Global Animal Health, Washington State University, Pullman, WA, USA.
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First Indian report on genome-wide comparison of multidrug-resistant Escherichia coli from blood stream infections. PLoS One 2020; 15:e0220428. [PMID: 32101543 PMCID: PMC7043739 DOI: 10.1371/journal.pone.0220428] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 02/07/2020] [Indexed: 12/28/2022] Open
Abstract
Background Multidrug-resistant (MDR) E. coli with extended-spectrum β-lactamases (ESBLs) is becoming endemic in health care settings around the world. Baseline data on virulence and antimicrobial resistance (AMR) of specific lineages of E. coli circulating in developing countries like India is currently lacking. Methods Whole-genome sequencing was performed for 60 MDR E. coli isolates. The analysis was performed at single nucleotide polymorphism (SNP) level resolution to identify the presence of their virulence and AMR genes. Results Genome comparison revealed the presence of ST-131 global MDR and ST410 as emerging-MDR clades of E. coli in India. AMR gene profile for cephalosporin and carbapenem resistance differed between the clades. Genotypes blaCTX-M-15 and blaNDM-5 were common among cephalosporinases and carbapenemases, respectively. For aminoglycoside resistance, rmtB was positive for 31.7% of the isolates, of which 95% were co-harboring carbapenemases. In addition, the FimH types and virulence gene profile positively correlated with the SNP based phylogeny, and also revealed the evolution of MDR clones among the study population with temporal accumulation of SNPs. The predominant clone was ST167 (blaNDM lineage) followed by ST405 (global clone ST131 equivalent) and ST410 (fast spreading high risk clone). Conclusions This is the first report on the whole genome analysis of MDR E. coli lineages circulating in India. Data from this study will provide public health agencies with baseline information on AMR and virulent genes in pathogenic E. coli in the region.
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Fan R, Li C, Duan R, Qin S, Liang J, Xiao M, Lv D, Jing H, Wang X. Retrospective Screening and Analysis of mcr-1 and bla NDM in Gram-Negative Bacteria in China, 2010-2019. Front Microbiol 2020; 11:121. [PMID: 32117144 PMCID: PMC7026248 DOI: 10.3389/fmicb.2020.00121] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 01/20/2020] [Indexed: 01/17/2023] Open
Abstract
Currently, Gram-negative bacteria have developed multidrug and broad-spectrum drug resistance, and the numbers of species and strains carrying mcr or blaNDM genes are increasing. In this study, mcr-1 and blaNDM distribution of 12,858 Gram-negative bacteria isolated from wildlife, patients, livestock, poultry and environment in 14 provinces of China from 2010 to 2019 and the antibiotics resistance in regard to polymyxins (polymyxin B and colistin) and carbapenems of positive strains were investigated. A total of 70 strains of 10 species carried the mcr-1 gene, positive rates of patients, livestock and poultry, and environmental strains were 0.62% (36/5,828), 4.07% (29/712), 5.43% (5/92), respectively. Six strains of 3 species carrying the blaNDM gene all came from patients 0.10% (6/5,828). Two new mcr-1 gene variants (GenBank: MK965883, MK965884) were identified, one of which contains premature stop codon. The drug susceptibility results showed that all mcr-1 carriers were sensitive to carbapenems, among which, 66 strains were resistant and 4 were sensitive to polymyxins. The strains with the blaNDM gene had different degrees of resistance to carbapenems and were sensitive to polymyxins. The findings that species carrying mcr-1 or blaNDM genes were limited and mostly normal flora of opportunistic or low pathogenic organisms indicated that transfer of mcr-1 and blaNDM genes between bacteria was relatively limited in China. The none detection among wildlife compared with other sources supports the speculation that the emergence of and increase in polymyxins and carbapenem-resistant strains was mainly related to the selective pressure of antibiotics.
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Affiliation(s)
- Rong Fan
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Chuchu Li
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Department of Acute Infectious Disease Control and Prevention, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
| | - Ran Duan
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Shuai Qin
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Junrong Liang
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Meng Xiao
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Dongyue Lv
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Huaiqi Jing
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xin Wang
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases - National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Occurrence and Characteristics of Mobile Colistin Resistance ( mcr) Gene-Containing Isolates from the Environment: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17031028. [PMID: 32041167 PMCID: PMC7036836 DOI: 10.3390/ijerph17031028] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 01/09/2020] [Accepted: 01/20/2020] [Indexed: 01/04/2023]
Abstract
The emergence and spread of mobile colistin (COL) resistance (mcr) genes jeopardize the efficacy of COL, a last resort antibiotic for treating deadly infections. COL has been used in livestock for decades globally. Bacteria have mobilized mcr genes (mcr-1 to mcr-9). Mcr-gene-containing bacteria (MGCB) have disseminated by horizontal/lateral transfer into diverse ecosystems, including aquatic, soil, botanical, wildlife, animal environment, and public places. The mcr-1, mcr-2, mcr-3, mcr-5, mcr-7, and mcr-8 have been detected in isolates from and/or directly in environmental samples. These genes are harboured by Escherichia coli, Enterobacter, Klebsiella, Proteus, Salmonella, Citrobacter, Pseudomonas, Acinetobacter, Kluyvera, Aeromonas, Providencia, and Raulotella isolates. Different conjugative and non-conjugative plasmids form the backbones for mcr in these isolates, but mcr have also been integrated into the chromosome of some strains. Insertion sequences (IS) (especially ISApl1) located upstream or downstream of mcr, class 1–3 integrons, and transposons are other drivers of mcr in the environment. Genes encoding multi-/extensive-drug resistance and virulence are often co-located with mcr on plasmids in environmental isolates. Transmission of mcr to/among environmental strains is clonally unrestricted. Contact with the mcr-containing reservoirs, consumption of contaminated animal-/plant-based foods or water, international animal-/plant-based food trades and travel, are routes for transmission of MGCB.
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Acquired Resistance to Colistin via Chromosomal And Plasmid-Mediated Mechanisms in Klebsiella pneumoniae. ACTA ACUST UNITED AC 2019. [DOI: 10.1097/im9.0000000000000002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Aeksiri N, Toanan W, Sawikan S, Suwannarit R, Pungpomin P, Khieokhajonkhet A, Niumsup PR. First Detection and Genomic Insight into mcr-1 Encoding Plasmid-Mediated Colistin-Resistance Gene in Escherichia coli ST101 Isolated from the Migratory Bird Species Hirundo rustica in Thailand. Microb Drug Resist 2019; 25:1437-1442. [PMID: 31334682 DOI: 10.1089/mdr.2019.0020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background: This study aimed to investigate the occurrence of mcr-1 encoding plasmid-mediated colistin-resistance gene in Escherichia coli isolated from migratory birds in Thailand. Materials and Methods: A total of 178 cloacal swabs from migratory birds was sampled and isolated from 2016 to 2017 in Nan, Trang, and Bangkok, Thailand. The multiplex polymerase chain reaction was used to screen the resistance genes. After screening, a disk diffusion assay and the minimum inhibitory concentration were investigated. The draft genome sequence of isolate 2A85589 was obtained using an Illumina HiSeq X-Ten platform. The genome was assembled using SPAdes 3.0.0. Antimicrobial resistance genes were identified using ResFinder 3.1. Results: We reported E. coli ST101 of isolate 2A85589, an mcr-1-carrying resistance gene isolated from the migratory bird species Hirundo rustica in Thailand. The draft genome of 2A85589 was 4,621,016 bp in size. IncHI1A plasmid was identified using PlasmidFinder with high coverage. In silico analysis detected the presence of eight putative acquired resistance genes, namely blaTEM-1B, mcr-1, mef(A), mef(B), QnrS1, sul3, tet(A), and tet(B), which conferred resistance to β-lactam, colistin, macrolide, quinolone, sulfonamide, and tetracycline. Conclusion: This study underlines the potential risk of the environmental contamination of mcr-1-carrying E. coli isolated from the migratory bird. The long range migration of birds can result in dissemination of mcr-1-carrying bacteria globally. Therefore, plasmid-mediated colistin is an urgent need to be addressed in both human and veterinary medicine for disease control and prevention.
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Affiliation(s)
- Niran Aeksiri
- Center for Agriculture Biotechnology, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
- Department of Agricultural Science, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
| | - Wansane Toanan
- Wildlife Conservation Office, Department of National Park, Wildlife and Plant Conservation, Bangkok, Thailand
| | - Sirinan Sawikan
- Department of Agricultural Science, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
| | - Rujikorn Suwannarit
- Department of Agricultural Science, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
| | - Prompong Pungpomin
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand
| | - Anurak Khieokhajonkhet
- Center for Agriculture Biotechnology, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
- Department of Agricultural Science, Faculty of Agriculture, Natural Resources, and Environment, Naresuan University, Phitsanulok, Thailand
| | - Pannika R Niumsup
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
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