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Song H, Yoo JS, Unno T. Discerning the dissemination mechanisms of antibiotic resistance genes through whole genome sequencing of extended-spectrum beta-lactamase (ESBL)-producing E. coli isolated from veterinary clinics and farms in South Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172068. [PMID: 38554973 DOI: 10.1016/j.scitotenv.2024.172068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Extended-spectrum beta-lactamase (ESBL)-producing bacteria are resistant to most beta-lactams, including third-generation cephalosporins, limiting the treatment methods against the infections they cause. In this study, we performed whole genome sequencing of ESBL-producing E. coli to determine the mechanisms underlying the dissemination of antibiotic resistance genes. We analyzed 141 ESBL-producing isolates which had been collected from 16 veterinary clinics and 16 farms in South Korea. Long- and short-read sequencing platforms were used to obtain high-quality assemblies. The results showed that blaCTX-M is the dominant ESBL gene type found in South Korea. The spread of blaCTX-M appears to have been facilitated by both clonal spread between different host species and conjugation. Most blaCTX-M genes were found associated with diverse mobile genetic elements that may contribute to the chromosomal integration of the genes. Diverse incompatibility groups of blaCTX-M-harboring plasmids were also observed, which allows their spread among a variety of bacteria. Comprehensive whole genome sequence analysis was useful for the identification of the most prevalent types of ESBL genes and their dissemination mechanisms. The results of this study suggest that the propagation of ESBL genes can occur through clonal spread and plasmid-mediated dissemination, and that suitable action plans should be developed to prevent further propagation of these genes.
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Affiliation(s)
- Hokyung Song
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Seowon-Gu, Cheongju 28644, Republic of Korea
| | - Jung Sik Yoo
- Division of Antimicrobial Resistance Research, National Institute of Health, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju-si 28159, Republic of Korea
| | - Tatsuya Unno
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Seowon-Gu, Cheongju 28644, Republic of Korea.
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Smith CM, Anacker M, Bevis DL, Dutton NAM, Powell D, McLaughlin RW. Isolation of a CTX-M-55 (ESBL)-Producing Escherichia coli Strain of the Global ST6448 Clone from a Captive Orangutan in the USA. Curr Microbiol 2024; 81:177. [PMID: 38758473 DOI: 10.1007/s00284-024-03693-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 04/08/2024] [Indexed: 05/18/2024]
Abstract
The purpose of this study was to determine if orangutans (Pongo spp.) living in captivity at a zoo in Wisconsin were colonized with antimicrobial-resistant bacteria and, if found, to identify underlying genetic mechanisms contributing to their resistant phenotypes. We hypothesize that since antimicrobial-resistant bacteria are so prevalent within humans, the animals could also be carriers of such strains given the daily contact between the animals and the zoo staff that care for them. To test this theory, fecal samples from two orangutans were examined for resistant bacteria by inoculation on HardyCHROM™ ESBL and HardyCHROM™ CRE agars. Isolates were identified using MALDI-TOF mass spectrometry and antimicrobial susceptibility testing was performed using a Microscan autoSCAN-4 System. An isolate was selected for additional characterization, including whole genome sequencing (WGS). Using the Type (Strain) Genome Server (TYGS) the bacterium was identified as Escherichia coli. The sequence type identified was (ST/phylogenetic group/β-lactamase): ST6448/B1/CTX-M-55.
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Affiliation(s)
- Carly M Smith
- School of Liberal Arts and Sciences, Gateway Technical College, Kenosha, WI, 53144, USA
| | - Melissa Anacker
- Minnesota Department of Health, Public Health Laboratory - Infectious Disease Laboratory, St. Paul, MN, 55155, USA
| | - Durward L Bevis
- School of Liberal Arts and Sciences, Gateway Technical College, Kenosha, WI, 53144, USA
| | - Nicole A M Dutton
- School of Liberal Arts and Sciences, Gateway Technical College, Kenosha, WI, 53144, USA
| | - Dan Powell
- Racine Zoo, 2131 North Main Street Racine, Racine, WI, 53402, USA
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Hasib FMY, Magouras I, St-Hilaire S, Paudel S, Kamali M, Lugsomya K, Lam HK, Elsohaby I, Butaye P, Nekouei O. Prevalence and characterization of antimicrobial-resistant Escherichia coli in chicken meat from wet markets in Hong Kong. Front Vet Sci 2024; 11:1340548. [PMID: 38288141 PMCID: PMC10822974 DOI: 10.3389/fvets.2024.1340548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 01/04/2024] [Indexed: 01/31/2024] Open
Abstract
Given the close contact between animals, animal products, and consumers in wet markets, fresh meat products are considered a potential source and disseminator of antimicrobial-resistant (AMR) bacteria near the end of the food chain. This cross-sectional study was conducted to estimate the prevalence of select AMR-E. coli in fresh chicken meat collected from wet markets in Hong Kong and to determine target genes associated with the observed resistance phenotypes. Following a stratified random sampling design, 180 fresh half-chickens were purchased from 29 wet markets across Hong Kong in 2022 and immediately processed. After incubation, selective isolation was performed for extended-spectrum β-lactamase producing (ESBL), carbapenem-resistant (CRE), and colistin-resistant (CSR) E. coli. The bacterial isolates were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Disc Diffusion was used to determine the susceptibility of ESBL- and CRE-E. coli isolates. The broth microdilution method was used to determine the minimum inhibitory concentration of CSR-E. coli. Targeted resistance genes were then detected by PCR. The prevalence of ESBL-E. coli and CSR-E. coli were estimated at 88.8% (95% CI: 83.4-93.1%) and 6.7% (95% CI: 3.5-11.4%), respectively. No CRE-E. coli isolate was detected. The blaCTX-M-1 gene was the most common β-lactamase group in isolated E. coli (80%), followed by blaTEM (63.7%); no blaSHV gene was detected. Forty-five percent of the isolates had blaTEM and blaCTX-M-1 simultaneously. The mcr-1 gene was detected in all 12 CSR isolates. Of 180 meat samples, 59 were from Mainland China, and 121 were locally sourced. There was no statistically significant difference in the prevalence of ESBL- and CSR-E. coli between the two sources. Our findings can be used to inform food safety risk assessments and set the stage for adopting targeted control and mitigation measures tailored to the local wet markets.
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Affiliation(s)
- F. M. Yasir Hasib
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
| | - Ioannis Magouras
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Veterinary Public Health Institute, Department of Clinical Research and Veterinary Public Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Sophie St-Hilaire
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Surya Paudel
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Maedeh Kamali
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Kittitat Lugsomya
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Hoi Kiu Lam
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Ibrahim Elsohaby
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
| | - Patrick Butaye
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Omid Nekouei
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China
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Liang C, Cui H, Chen L, Zhang H, Zhang C, Liu J. Identification, Typing, and Drug Resistance Analysis of Escherichia coli in Two Different Types of Broiler Farms in Hebei Province. Animals (Basel) 2023; 13:3194. [PMID: 37893917 PMCID: PMC10603750 DOI: 10.3390/ani13203194] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/07/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Hebei Province is an important area for breeding broiler chickens in China, but the antimicrobial resistance and prevalence of Escherichia coli (E. coli) are still unclear. A total of 180 cloacal samples from broiler farms in Hebei Province were collected and used for the isolation and identification of E. coli. The isolates were subjected to resistance phenotyping, resistance profiling, and genotyping, and some multiresistant strains were subjected to multilocus sequence typing (MLST). The results showed that 175 strains were isolated. Among both types of broiler farms, the ampicillin resistance rate was the highest, and the meropenem resistance rate was the lowest. Serious multiresistance was present in both types of broiler farms. Thirty strains of multidrug-resistant E. coli were typed by MLST to obtain a total of 18 ST types, with ST10 being the most prevalent. This study was to simply analyze the antimicrobial resistance and prevalence of E. coli in broiler chickens in Hebei Province after the implementation of the pilot work program of action to reduce the use of veterinary antimicrobials in standard farms (SFs) and nonstandard farms (NSFs). This study will provide a research basis and data support for the prevention and control of E. coli in Hebei.
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Affiliation(s)
| | | | | | | | - Cheng Zhang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Juxiang Liu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
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Ullah N, Assawakongkarat T, Akeda Y, Chaichanawongsaroj N. Detection of Extended-spectrum β-lactamase-producing Escherichia coli isolates by isothermal amplification and association of their virulence genes and phylogroups with extraintestinal infection. Sci Rep 2023; 13:12022. [PMID: 37491387 PMCID: PMC10368679 DOI: 10.1038/s41598-023-39228-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 07/21/2023] [Indexed: 07/27/2023] Open
Abstract
Extraintestinal pathogenic Escherichia coli (ExPEC) producing extended-spectrum β-lactamases (ESBL) cause serious human infections due to their virulence and multidrug resistance (MDR) profiles. We characterized 144 ExPEC strains (collected from a tertiary cancer institute) in terms of antimicrobial susceptibility spectrum, ESBL variants, virulence factors (VF) patterns, and Clermont's phylogroup classification. The developed multiplex recombinase polymerase amplification and thermophilic helicase-dependent amplification (tHDA) assays for blaCTX-M, blaOXA, blaSHV, and blaTEM detection, respectively, were validated using PCR-sequencing results. All ESBL-ExPEC isolates carried blaCTX-M genes with following prevalence frequency of variants: blaCTX-M-15 (50.5%) > blaCTX-M-55 (17.9%) > blaCTX-M-27 (16.8%) > blaCTX-M-14 (14.7%). The multiplex recombinase polymerase amplification assay had 100% sensitivity, and specificity for blaCTX-M, blaOXA, blaSHV, while tHDA had 86.89% sensitivity, and 100% specificity for blaTEM. The VF genes showed the following prevalence frequency: traT (67.4%) > ompT (52.6%) > iutA (50.5%) > fimH (47.4%) > iha (33.7%) > hlyA (26.3%) > papC (12.6%) > cvaC (3.2%), in ESBL-ExPEC isolates which belonged to phylogroups A (28.4%), B2 (28.4%), and F (22.1%). The distribution of traT, ompT, and hlyA and phylogroup B2 were significantly different (P < 0.05) between ESBL-ExPEC and non-ESBL-ExPEC isolates. Thus, these equipment-free isothermal resistance gene amplification assays contribute to effective treatment and control of virulent ExPEC, especially antimicrobial resistance strains.
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Affiliation(s)
- Naeem Ullah
- Research Unit of Innovative Diagnosis of Antimicrobial Resistance, Department of Transfusion Medicine and Clinical Microbiology, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Thadchaporn Assawakongkarat
- Program of Molecular Sciences in Medical Microbiology and Immunology, Department of Transfusion Medicine and Clinical Microbiology, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases (NIID), Tokyo, Japan
| | - Nuntaree Chaichanawongsaroj
- Research Unit of Innovative Diagnosis of Antimicrobial Resistance, Department of Transfusion Medicine and Clinical Microbiology, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.
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Shao J, Dai H, Xu L, Zhu S, Zhu J, Fu H, Ge M, He X. Genomic Characteristics of Extended Spectrum β-Lactamase Producing Escherichia coli Isolates Recovered from a District Hospital in China. Infect Drug Resist 2023; 16:3589-3600. [PMID: 37309377 PMCID: PMC10257927 DOI: 10.2147/idr.s415373] [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: 04/01/2023] [Accepted: 06/02/2023] [Indexed: 06/14/2023] Open
Abstract
Purpose The isolation rate of extended spectrum β-lactamase (ESBL)-producing Escherichia coli is increasing, posing a challenge to clinical anti-infective therapy. This study aims to provide new insight into the genomic characteristics and antimicrobial resistance mechanisms of extended spectrum β-lactamase producing E. coli isolates recovered from a district hospital in China. Methods A total of 36 ESBL-producing E. coli isolates were collected from body fluid samples from a Chinese district hospital. All isolates were subjected to whole genome sequencing to identify their antimicrobial resistance genes, virulence genes, serotypes, sequence types, and phylogenetic relationships by BacWGSTdb 2.0 webserver. Results Among these isolates, all were resistant to cefazolin, cefotaxime, ceftriaxone, ampicillin, 24 (66.7%) were resistant to aztreonam, 16 (44.4%) were resistant to cefepime, and 15 were resistant (41.7%) to ceftazidime. The blaCTX-M gene was detected in all ESBL-producing E. coli isolates. Two isolates carrying two different types of blaCTX-M genes simultaneously. The carbapenem resistance gene blaKPC-2 was detected in one (2.8%) isolate. A total of 17 sequence types (STs) were found, with ST131 accounting for the majority (n =13; 36.1%). The most common serotype was O16:H5 associated with seven ST131 strains, followed by O25:H4/ST131 (n = 5) and O75:H5/ST1193 (n = 5). Evaluation of clonal relatedness revealed that all blaCTX-M gene-carrying E. coli had a difference of SNPs range from 7 to 79,198, which could be divided into four clusters. Only 7 SNPs could be found between EC266 and EC622, indicating that they are variants of the same clonal lineage. Conclusion This study investigated the genomic characteristics of ESBL-producing E. coli isolates recovered from a district hospital in China. Continuous surveillance of ESBL-producing E. coli infections is imperative to create efficient strategies for controlling the transmission of these multi-drug resistant bacteria in clinical and community settings.
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Affiliation(s)
- Jiayu Shao
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Hangdong Dai
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Liwei Xu
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Shuilong Zhu
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Jufang Zhu
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Hangyu Fu
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Minxia Ge
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
| | - Xianhong He
- Department of Clinical Laboratory, the Third People’s Hospital of Xiaoshan, Hangzhou, People’s Republic of China
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