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Guo K, Zhao Z, Yang Y, Jiang X, Xu H, Tao F, Xu Y, Liu W. Emergence of an Extensive Drug Resistant Citrobacter portucalensis Clinical Strain Harboring bla SFO-1, bla KPC-2, and bla NDM-1. Infect Drug Resist 2024; 17:2273-2283. [PMID: 38854780 PMCID: PMC11162216 DOI: 10.2147/idr.s461118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/30/2024] [Indexed: 06/11/2024] Open
Abstract
Background To explore the plasmid characteristics and transfer mechanisms of an extensive drug resistant (XDR) clinical isolate, Citrobacter portucalensis L2724hy, co-producing bla SFO-1, bla NDM-1, and bla KPC-2. Methods Species confirmation of L2724hy was achieved through 16S rRNA sequencing and Average Nucleotide Identity (ANI) analysis. Antimicrobial susceptibility testing (AST) employed the agar dilution and micro broth dilution methods. Identification of resistance genes was carried out by PCR and whole-genome sequencing (WGS). Essential resistance gene locations were verified by S1 nuclease pulsed-field gel electrophoresis (S1-PFGE) and southern hybridization experiments. Subsequent WGS data analysis delved into drug resistance genes and plasmids. Results The confirmation of the strain L2724hy as an extensive drug-resistant Citrobacter portucalensis, resistant to almost all antibiotics tested except polymyxin B and tigecycline, was achieved through 16S rRNA sequencing, ANI analysis and AST results. WGS and subsequent analysis revealed L2724hy carrying bla SFO-1, bla NDM-1, and bla KPC-2 on plasmids of various sizes. The uncommon ESBL gene bla SFO-1 coexists with the fosA3 gene on an IncFII plasmid, featuring the genetic environment IS26-fosA3-IS26-ampR-bla SFO-1-IS26. The bla NDM-1 was found on an IncX3 plasmid, coexisting with bla SHV-12, displaying the sequence IS5-IS3000-IS3000-Tn2-bla NDM-1-ble-trpF-dsbD-cutA-gros-groL, lacking ISAa125. The bla KPC-2 is located on an unclassified plasmid, exhibiting the sequence Tn2-tnpR-ISKpn27-bla KPC-2-ISKpn6-korC. Conjugation assays confirmed the transferability of both bla NDM-1 and bla KPC-2. Conclusion We discovered the coexistence of bla SFO-1, bla NDM-1, and bla KPC-2 in C. portucalensis for the first time, delving into plasmid characteristics and transfer mechanisms. Our finding highlights the importance of vigilant monitoring of drug-resistance genes and insertion elements in uncommon strains.
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Affiliation(s)
- Kexin Guo
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Zanzan Zhao
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Yu Yang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Xiawei Jiang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Hao Xu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People’s Republic of China
| | - Fangfang Tao
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Ye Xu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Wenhong Liu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
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Na IY, Seo J, Jin Y, Ko KS. Whole-plasmid analysis of NDM-1-producing Acinetobacter seifertii isolate and its fitness in several Acinetobacter species. J Glob Antimicrob Resist 2024; 38:223-226. [PMID: 38723713 DOI: 10.1016/j.jgar.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 03/24/2024] [Accepted: 05/01/2024] [Indexed: 08/02/2024] Open
Abstract
OBJECTIVES The aim of this study was to characterize an NDM-1-producing Acinetobacter seifertii isolates from a patient in South Korea. METHODS Antibiotic susceptibility testing and genotyping using multigene sequencing were performed and whole plasmid sequences were determined. RESULTS The genotype of A. seifertii was ST1899 and was resistant to ceftazidime, trimethoprim-sulfamethoxazole, and piperacillin-tazobactam, in addition to carbapenem. blaNDM-1 was surrounded by the ISAba125 insertion sequence within the structure of Tn125 in the 47 kb-sized plasmid. The plasmid exhibited a structure similar to that of other plasmids of diverse Acinetobacter sp. found worldwide. Transconjugation and the growth curve indicated that the plasmid was adapted to A. seifertii rather than other closely related Acinetobacter sp. CONCLUSIONS Acquisition of carbapenem resistance by horizontal transfer of the blaNDM-1-carrying plasmid from another Acinetobacter species was found with no growth defect.
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Affiliation(s)
- In Young Na
- Department of Microbiology and Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Jungyu Seo
- Department of Microbiology and Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Yanhong Jin
- Department of Microbiology and Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Kwan Soo Ko
- Department of Microbiology and Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea.
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Sellera FP, Fuentes-Castillo D, Fuga B, Goldberg DW, Kolesnikovas CK, Lincopan N. New Delhi metallo-β-lactamase-1-producing Citrobacter portucalensis belonging to the novel ST264 causing fatal sepsis in a vulnerable migratory sea turtle. One Health 2023; 17:100590. [PMID: 37388191 PMCID: PMC10302118 DOI: 10.1016/j.onehlt.2023.100590] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/01/2023] Open
Abstract
Olive ridley (Lepidochelys olivacea) turtles migrate across tropical regions of the Atlantic, Pacific, and Indian Oceans. Worryingly, olive ridley populations have been declining substantially and is now considered a threatened species. In this regard, habitat degradation, anthropogenic pollution, and infectious diseases have been the most notorious threats for this species. We isolated a metallo-β-lactamase (NDM-1)-producing Citrobacter portucalensis from the blood sample of an infected migratory olive ridley turtle found stranded sick in the coast of Brazil. Genomic analysis of C. portucalensis confirmed a novel sequence type (ST), named ST264, and a wide resistome to broad-spectrum antibiotics. The production of NDM-1 by the strain contributed to treatment failure and death of the animal. Phylogenomic relationship with environmental and human strains from African, European and Asian countries confirmed that critical priority clones of C. portucalensis are spreading beyond hospital settings, representing an emerging ecological threat to marine ecosystems.
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Affiliation(s)
- Fábio P. Sellera
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
- School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil
| | - Danny Fuentes-Castillo
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil
- Departamento de Patología y Medicina Preventiva, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Bruna Fuga
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, São Paulo, Brazil
- Department of Microbiology, Instituto de Ciências Biomédicas, University of São Paulo, São Paulo, Brazil
| | | | | | - Nilton Lincopan
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, São Paulo, Brazil
- Department of Microbiology, Instituto de Ciências Biomédicas, University of São Paulo, São Paulo, Brazil
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Furlan JPR, da Silva Rosa R, Ramos MS, Dos Santos LDR, Savazzi EA, Stehling EG. Genomic features of an extensively drug-resistant and NDM-1-positive Klebsiella pneumoniae ST340 isolated from river water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:114678-114684. [PMID: 37845596 DOI: 10.1007/s11356-023-30374-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/06/2023] [Indexed: 10/18/2023]
Abstract
The environmental contamination plays a significant role in the emergence of antimicrobial resistance. In this study, we report a genomic analysis of an extensively drug-resistant and blaNDM-1-producing Klebsiella pneumoniae (EW807) strain recovered from a surface water sample. Strain EW807 belonged to sequence type (ST) 340 and serotype O4:KL15, a high-risk clone of the clonal group 258. This strain carried a broad resistome, including blaNDM-1 and blaCTX-M-15. The core genome multilocus sequence typing phylogenetic analysis revealed that the EW807 strain was most related to strains from Brazil and the USA. An IncX3 plasmid was identified harboring the blaNDM-1 gene, while an IncFIB(K) plasmid was detected carrying the blaCTX-M-15 in addition to multidrug resistance and multimetal tolerance regions. IncX3 and IncFIB(K) plasmids shared high similarity with plasmids from a human in China and a dog in Brazil, respectively. The regions harboring the blaNDM-1 and blaCTX-M-15 genes contained sequences from the Tn3 family. These findings suggest that IncX3 plasmid could play a role in the spread of NDM-1 in a post-pandemic scenario. To the best of our knowledge, this is the first report of blaNDM-1-producing K. pneumoniae ST340 O4:KL15 strain in the environment. Therefore, the presence of high-risk clones of K. pneumoniae carrying carbapenemases in the environment requires strict surveillance.
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Affiliation(s)
- João Pedro Rueda Furlan
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, S/N, Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Rafael da Silva Rosa
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, S/N, Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Micaela Santana Ramos
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, S/N, Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Lucas David Rodrigues Dos Santos
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, S/N, Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | | | - Eliana Guedes Stehling
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, S/N, Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil.
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Tang B, Wang C, Sun D, Lin H, Ma J, Guo H, Yang H, Li X. In Silico Characterization of blaNDM-Harboring Conjugative Plasmids in Acinetobacter Species. Microbiol Spectr 2022; 10:e0210222. [PMID: 36301090 PMCID: PMC9769834 DOI: 10.1128/spectrum.02102-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 09/28/2022] [Indexed: 01/06/2023] Open
Abstract
New Delhi metallo-β-lactamase (NDM)-producing clinical strains in Acinetobacter spp. have been recently reported in many countries and have received considerable attention. The vast majority of blaNDM cases occur on conjugative plasmids, which play a vital role in disseminating blaNDM. To characterize the conjugative plasmids bearing blaNDM genes in Acinetobacter spp., we analyzed the variants of blaNDM, conjugative transfer regions, genetic contexts of blaNDM, and the phylogenetic pattern of the 62 predicted blaNDM-positive plasmids, which were selected from 1,191 plasmids of Acinetobacter species from GenBank. We identified 30 conjugative plasmids from the 62 blaNDM-harboring plasmids in Acinetobacter species, with the oriT sites similar to plasmid pNDM-YR7 in our study, genes coding for relaxases of the MOBQ family, genes encoding type IV coupling proteins (T4CPs) of the TrwB/TraD subfamily, and VirB-like type IV secretion system (T4SS) gene clusters. The genome sizes of all 30 pNDM-YR7-like plasmids ranged from 39.36 kb to 49.65 kb, with a median size of 44.56 kb. The most common species of Acinetobacter containing the blaNDM-positive conjugative plasmids was A. baumannii, followed by Acinetobacter lwoffii and Acinetobacter indicus. Notably, pNDM-YR7 is the first report on a blaNDM-positive conjugative plasmid in Acinetobacter junii. Moreover, all 30 blaNDM-positive conjugative plasmids in Acinetobacter species were found to contain genetic contexts with the structure ISAba14-aph(3')-VI-ISAba125-blaNDM-ble. Our findings provide important insights into the phylogeny and evolution of blaNDM-positive plasmids of Acinetobacter species and further address their role in acquiring and spreading blaNDM genes in Acinetobacter species. IMPORTANCE Conjugative plasmids harboring the blaNDM gene play a vital role in disseminating carbapenem resistance. In this study, we first report a conjugative plasmid, pNDM-YR7, in Acinetobacter junii. Based on the genomic characteristics of the blaNDM-positive pNDM-YR7, we performed in silico typing and comparative analysis of blaNDM-positive plasmids using the 1,191 plasmids of Acinetobacter species available in the NCBI RefSeq database. We analyzed the characteristics of blaNDM-positive plasmids, including the variants of blaNDM, genetic features associated with blaNDM, conjugative transfer regions, and the phylogenetic pattern of the blaNDM-positive plasmids. All 30 blaNDM-positive conjugative plasmids were found to contain an ISAba14-aph(3')-VI-ISAba125-blaNDM-ble region. This study provides novel insights into the phylogeny and evolution of blaNDM-harboring conjugative plasmids and contributes to the repertoire of knowledge surrounding blaNDM-positive plasmids in the genus Acinetobacter.
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Affiliation(s)
- Biao Tang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Chenyu Wang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Dongchang Sun
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Hui Lin
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Jiangang Ma
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Hengzhao Guo
- Department of Radiation Oncology, Zhuhai People’s Hospital (Zhuhai Hospital affiliated with Jinan University), Zhuhai, Guangdong, China
| | - Hua Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Xiaobin Li
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital affiliated with Jinan University), Zhuhai, Guangdong, China
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Sellera FP, Cardoso B, Fuentes-Castillo D, Esposito F, Sano E, Fontana H, Fuga B, Goldberg DW, Seabra LAV, Antonelli M, Sandri S, Kolesnikovas CKM, Lincopan N. Genomic Analysis of a Highly Virulent NDM-1-Producing Escherichia coli ST162 Infecting a Pygmy Sperm Whale ( Kogia breviceps) in South America. Front Microbiol 2022; 13:915375. [PMID: 35755998 PMCID: PMC9231830 DOI: 10.3389/fmicb.2022.915375] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/18/2022] [Indexed: 11/29/2022] Open
Abstract
Carbapenemase-producing Enterobacterales are rapidly spreading and adapting to different environments beyond hospital settings. During COVID-19 lockdown, a carbapenem-resistant NDM-1-positive Escherichia coli isolate (BA01 strain) was recovered from a pygmy sperm whale (Kogia breviceps), which was found stranded on the southern coast of Brazil. BA01 strain belonged to the global sequence type (ST) 162 and carried the blaNDM–1, besides other medically important antimicrobial resistance genes. Additionally, genes associated with resistance to heavy metals, biocides, and glyphosate were also detected. Halophilic behavior (tolerance to > 10% NaCl) of BA01 strain was confirmed by tolerance tests of NaCl minimal inhibitory concentration, whereas halotolerance associated genes katE and nhaA, which encodes for catalase and Na+/H+ antiporter cytoplasmic membrane, respectively, were in silico confirmed. Phylogenomics clustered BA01 with poultry- and human-associated ST162 lineages circulating in European and Asian countries. Important virulence genes, including the astA (a gene encoding an enterotoxin associated with human and animal infections) were detected, whereas in vivo experiments using the Galleria mellonella infection model confirmed the virulent behavior of the BA01 strain. WHO critical priority carbapenemase-producing pathogens in coastal water are an emerging threat that deserves the urgent need to assess the role of the aquatic environment in its global epidemiology.
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Affiliation(s)
- Fábio P Sellera
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.,One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil
| | - Brenda Cardoso
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Danny Fuentes-Castillo
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Departamento de Patología y Medicina Preventiva, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Fernanda Esposito
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Elder Sano
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Herrison Fontana
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Bruna Fuga
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil.,Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | | | - Lourdes A V Seabra
- School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil
| | | | | | | | - Nilton Lincopan
- One Health Brazilian Resistance Project (OneBR), São Paulo, Brazil.,Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil.,Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
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Ranjan R, Thatikonda S. β-Lactam Resistance Gene NDM-1 in the Aquatic Environment: A Review. Curr Microbiol 2021; 78:3634-3643. [PMID: 34410464 DOI: 10.1007/s00284-021-02630-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 08/05/2021] [Indexed: 11/29/2022]
Abstract
New Delhi Metallo-β-lactamase-1 (NDM-1) offers carbapenem antibiotics resistance that creates an evolving challenge in treating bacterial infections. NDM-1-bearing strains were observed in surface waters around New Delhi in 2010 and after then identified globally. The usage of antibiotics may hasten the growth of the NDM-1-producing bacteria, which pose severe hazards to human and animal health. The emergence of the NDM-1 in the aquatic environment is turning out to be a growing concern worldwide. NDM-1 gene conferring resistance to a widespread class of antibiotics has been observed in bacteria disseminated in animal production wastewaters, hospital sewage, domestic sewage, industrial effluents, wastewater treatment plants, drinking water, surface water, and even in groundwater. This review recapitulates the currently published research studies on the prevalence and geographical distribution of the NDM-1 gene in the aquatic environment, its habitats, and healthcare risk associated with NDM-1-producing bacteria, in addition to molecular techniques employed to reveal the occurrence of the NDM-1 in the aquatic environment, including conventional polymerase chain reaction, real-time qPCR, DNA hybridization, and microarray-based methods.
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Affiliation(s)
- Rajeev Ranjan
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Sangareddy, Kandi, Telangana, 502285, India
| | - Shashidhar Thatikonda
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Sangareddy, Kandi, Telangana, 502285, India.
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