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Jinnai M, Yamaguchi T, Minh DTN, Hoang ON, Thi HL, Thanh PN, Hoai PH, Do PN, Van CD, Kumeda Y, Hase A, Nakayama T. ESBL-producing Atlantibacter hermannii harboring a plasmid encoding IS 26 up and down stream of blaCTX-M-27 , blaLAP-2, and qnrS1 isolated from an edible river Anabas testudineus fish. Microbiol Resour Announc 2024:e0005624. [PMID: 38682768 DOI: 10.1128/mra.00056-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 04/10/2024] [Indexed: 05/01/2024] Open
Abstract
Extended-spectrum β-lactamase-producing Atlantibacter hermannii was isolated from an edible river fish, Anabas testudineus, which was sold in a market located in Vietnam. The genome sequence was obtained by using next-generation sequencing, which involved Oxford Nanopore and Illumina technologies. The 92 kb plasmid encodes the gene blaCTX-M-27.
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Affiliation(s)
- Michio Jinnai
- Department of Microbiology, Kanagawa Prefectural Institute of Public Health, Chigasaki, Kanagawa, Japan
| | - Takahiro Yamaguchi
- Division of Microbiology, Osaka Institute of Public Health, Higashinari, Osaka, Japan
| | | | - Oanh Nguyen Hoang
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Hien Le Thi
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Phong Ngo Thanh
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Phuong Hoang Hoai
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Phuc Nguyen Do
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Chinh Dang Van
- Institute of Public Health Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Yuko Kumeda
- Research Center of Microorganism Control, Osaka Metropolitan University, Sakai, Osaka, Japan
| | - Astushi Hase
- Faculty of Contemporary Human Life Science, Tezukayama University, Nara, Japan
| | - Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life,, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
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Yamaguchi T, Yokota M, Jinnai M, Minh DTN, Hoang ON, Le Thi H, Thanh PN, Hoang Hoai P, Nguyen Do P, Van CD, Motooka D, Nakamura S, Kawahara R, Kumeda Y, Hase A, Nakayama T. Detection of chromosome-mediated bla NDM-1-carrying Aeromonas spp. in the intestinal contents of fresh water river fish in Ho Chi Minh City, Vietnam. MARINE POLLUTION BULLETIN 2024; 198:115812. [PMID: 38043208 DOI: 10.1016/j.marpolbul.2023.115812] [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: 04/26/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 12/05/2023]
Abstract
The spread of antibiotic-resistant bacteria is a global problem that should be addressed through the perspective of the "one health" concept. The purpose of this study was to determine the contamination rate of antibiotic-resistant Aeromonas spp. in fresh water river fish purchased from a fish market in Vietnam. We then defined the pattern of antibiotic resistance to assess antibiotic-resistant contamination. Antibiotic-resistant Aeromonas spp. were detected in the intestinal contents of 32 of 80 fish. blaNDM-1 was detected in seven strains. Extended-spectrum β-lactamase and AmpC β-lactamase-related genes were detected in 28 strains, including blaCTX-M-55, blaCTX-M-15, blaCTX-M-1, and blaDHA,blaFOX, and blaMOX. The blaNDM-1 detected in the seven Aeromonas spp. strains were found chromosomally. This finding suggests that the blaNDM gene is stable in the natural environment and may spread widely into animals and humans via Aeromonas spp. with a transposon. Our results suggest the importance of continuing to monitor carbapenemase genes in Aeromonas spp. to evaluate the possibility that they may spread in other Enterobacterales, and to elucidate the mechanism of spread.
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Affiliation(s)
| | - Masaharu Yokota
- Division of Microbiology Osaka Institute of Public Health, Osaka, Japan
| | - Michio Jinnai
- Kanagawa Prefectural Institute of Public Health, Kanagawa, Japan
| | | | | | - Hien Le Thi
- Institute of Public Health, Ho Chi Minh City, Viet Nam
| | | | | | | | | | - Daisuke Motooka
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Shota Nakamura
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Ryuji Kawahara
- Division of Microbiology Osaka Institute of Public Health, Osaka, Japan
| | | | | | - Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan.
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3
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Mumbo MT, Nyaboga EN, Kinyua JK, Muge EK, Mathenge SGK, Rotich H, Muriira G, Njiraini B, Njiru JM. Antimicrobial resistance profiles of salmonella spp. and escherichia coli isolated from fresh nile tilapia (oreochromis niloticus) fish marketed for human consumption. BMC Microbiol 2023; 23:306. [PMID: 37880584 PMCID: PMC10601154 DOI: 10.1186/s12866-023-03049-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 10/08/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Salmonella spp. and pathogenic strains of Escherichia coli are among the major foodborne zoonotic pathogens. These bacterial pathogens cause human illnesses characterized by hemorrhagic colitis, vomiting, nausea, and other agent-related symptoms. The increasing occurrence of antimicrobial resistance in these pathogens is also a serious public health concern globally. Regular surveillance of phenotypes and genotypes of Salmonella spp. and Escherichia coli from animal-derived foods is necessary for effective reduction and control of these foodborne pathogens. This study was conducted to assess the occurrence, antimicrobial resistance, virulence genes and genetic diversity of Salmonella spp. and E. coli isolates from fresh Nile tilapia obtained from retail markets in Nairobi, Kenya. METHODS A total of 68 fresh Nile tilapia fish samples were collected from retail markets and used for isolation of Salmonella spp. and E. coli. Antimicrobial susceptibilities of the isolates weretested by Kirby-Bauer agar disc diffusion method. According to the antimicrobial resistance profiles, the multi-drug resistant isolates were identified by 16 S rRNA sequencing and phylogenetic analysis using the Bayesian inference method. The MDR Salmonella spp. and E. coli isolates were subjected to PCR-based screening for the detection virulence and antibiotic resistance genes. RESULTS The prevalence of contamination of the fish samples with Salmonella spp. and E.coli was 26.47% and 35.29% respectively. Overall phenotypic resistance among the Salmonella spp. ranged from 5.5% for ceftazidime, chloramphenicol, meropenem, nitrofurantoin and streptomycin and 22.2% for penicillin-G. For E. coli phenotypic resistance ranged from 4.2% for ceftazidime and chloramphenicol and 25% for rifampicin. Multi-drug resistance was observed in three Salmonella spp. and two E. coli isolates. Results of 16 S rRNA sequences, sequence alignment and phylogenic trees confirmed the identified MDR isolates as S. typhymurium WES-09, S. typhymurium MAK-22, S. typhimurium EMB-32 and E. coli MAK-26 and E. coli LAN-35. The presence of antibiotic-resistance genes belonging to β-lactamases, tetracycline, sulfonamide, trimethoprim and aminoglycosides-resistant genes were detected in all the identified MDR isolates. CONCLUSIONS The findings from this study indicate that Nile tilapia (Oreochromis niloticus) sold in retail markets can acts as reservoirs of Salmonella spp. and E. coli pathogens linked to human disease, some of which were multidrug resistance to critically important antimicrobials. Both microorganisms are of zoonotic significance and represent a significant public health risk to the society.
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Affiliation(s)
- Millicent T Mumbo
- Department of Biochemistry, University of Nairobi, Nairobi, Kenya
- Department of Biochemistry, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi, Kenya
- Department of Medical Laboratory Science, Kenyatta University, Nairobi, Kenya
| | - Evans N Nyaboga
- Department of Biochemistry, University of Nairobi, Nairobi, Kenya.
| | - Johnson K Kinyua
- Department of Biochemistry, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi, Kenya
| | - Edward K Muge
- Department of Biochemistry, University of Nairobi, Nairobi, Kenya
| | | | - Henry Rotich
- Research and development Department, Kenya Bureau of Standards, Nairobi, Kenya
| | - Geoffrey Muriira
- Research and development Department, Kenya Bureau of Standards, Nairobi, Kenya
| | - Bernard Njiraini
- Research and development Department, Kenya Bureau of Standards, Nairobi, Kenya
| | - Joshua M Njiru
- Research and development Department, Kenya Bureau of Standards, Nairobi, Kenya
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4
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Trang PN, Anh Ngoc TT, Masuda Y, Hohjoh KI, Miyamoto T. Antimicrobial resistance and biofilm formation of Escherichia coli in a Vietnamese Pangasius fish processing facility. Heliyon 2023; 9:e20727. [PMID: 37867806 PMCID: PMC10585221 DOI: 10.1016/j.heliyon.2023.e20727] [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: 06/08/2023] [Revised: 09/27/2023] [Accepted: 10/04/2023] [Indexed: 10/24/2023] Open
Abstract
This study aimed to investigate the occurrence, antibiotic resistance, and biofilm formation of Escherichia coli in the Vietnamese Pangasius fish processing facility. Among 144 samples including Pangasius fish, wash water, food contact surfaces, and personnel gloves, 18 E. coli isolates was detected and characterized. The E. coli was detected most frequently in wash water samples (22%, 8/36), followed by Pangasius fish (18%, 8/45). According to the antibiotic susceptibility test by the disc diffusion method, isolates showed the highest resistance against sulfamethoxazole/trimethoprim (45%), followed by tetracycline (39%), whereas all the E. coli isolates were susceptible to meropenem and fosfomycin. Notably, 39% of the isolates (7/18) were found to be multidrug resistant while no E. coli isolates were confirmed as extended-spectrum β-lactamase producers by the double-disk synergy test. The potency to form biofilm on the polystyrene surface of E. coli isolates indicated that 44% of the isolates (8/18) were classified as weak, 39% (7/18) as moderate, and 17% (3/18) as strong biofilm formers. Interestingly, multidrug resistant E. coli isolates were observed in moderate and strong biofilm producers. Additionally, either slightly acidic hypochlorous water with 40 mg/L of available chlorine or sodium hypochlorite with 100 mg/L of available chlorine exhibited a significant reduction in biofilm mass and biofilm cells of E. coli isolates. This study may provide helpful information about the actual state of E. coli isolates for effective control in the fish processing plant.
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Affiliation(s)
- Phan Nguyen Trang
- Department of Food Technology, Institute of Food and Biotechnology, Can Tho University, Campus II, 3/2 Street, Ninh Kieu District, Can Tho, Viet Nam
| | - Tong Thi Anh Ngoc
- Department of Food Technology, Institute of Food and Biotechnology, Can Tho University, Campus II, 3/2 Street, Ninh Kieu District, Can Tho, Viet Nam
| | - Yoshimitsu Masuda
- Division of Food Science and Biotechnology, Faculty of Agriculture, Kyushu University,744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Ken-ichi Hohjoh
- Division of Food Science and Biotechnology, Faculty of Agriculture, Kyushu University,744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Takahisa Miyamoto
- Division of Food Science and Biotechnology, Faculty of Agriculture, Kyushu University,744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
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Pearce R, Conrady B, Guardabassi L. Prevalence and Types of Extended-Spectrum β-Lactamase-Producing Bacteria in Retail Seafood. Foods 2023; 12:3033. [PMID: 37628032 PMCID: PMC10453871 DOI: 10.3390/foods12163033] [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: 02/01/2023] [Revised: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Objectives: To assess prevalence and types of extended-spectrum β-lactamase (ESBL)-producing bacteria in retail seafood. Methods: A literature review was completed according to international guidelines for systematic reviews, except for being performed by a single reviewer. Kruskal-Wallis and Dunn tests were used to determine statistical differences between continents or seafood types. Results: Among 12,277 hits, 42 publications from 2011 to 2023 were deemed relevant to the review's objectives. The median prevalence of ESBL-contaminated products was 19.4%. A significantly lower prevalence was observed in Europe (p = 0.006) and Africa (p = 0.004) compared to Asia. Amongst the 2053 isolates analyzed in the selected studies, 44.8% were ESBL-positive. The predominant type was CTX-M (93.6%), followed by TEM (6.7%) and SHV (5.0%). Only 32.6% and 18.5% of the CTX-M-positive isolates were typed to group and gene level, respectively. While group 1 (60.2%) was prevalent over group 9 (39.8%) among Enterobacterales, the opposite trend was observed in Vibrio spp. (60.0% vs. 40.0%). Information at gene level was limited to Enterobacterales, where CTX-M-15 was the most prevalent (79.2%). Conclusions: On average, one in five seafood products sold at retail globally is contaminated with ESBL-producing Enterobacterales of clinical relevance. Our findings highlight a potential risk for consumers of raw seafood, especially in Asia.
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Affiliation(s)
- Ryan Pearce
- Department of Pathobiology and Population Sciences, Royal Veterinary College, London NW1 0TU, UK;
- Department of Veterinary and Animal Sciences, University of Copenhagen, 2600 Copenhagen, Denmark;
| | - Beate Conrady
- Department of Veterinary and Animal Sciences, University of Copenhagen, 2600 Copenhagen, Denmark;
| | - Luca Guardabassi
- Department of Pathobiology and Population Sciences, Royal Veterinary College, London NW1 0TU, UK;
- Department of Veterinary and Animal Sciences, University of Copenhagen, 2600 Copenhagen, Denmark;
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Nakayama T, Shiori Yamamoto, Natsuki Ohata, Takahiro Yamaguchi, Michio Jinnai, Doan Tran Nguyen Minh, Oanh Nguyen Hoang, Hien LE Thi, Phong Ngo Thanh, Phuong Hoang Hoai, Phuc Nguyen DO, Chinh Dang VAN, Yuko Kumeda, Atsushi Hase. Common presence of plasmid encoding bla CTX-M-55 in extended-spectrum β-lactamase-producing Salmonella enterica and Escherichia coli isolates from the same edible river fish. JOURNAL OF MICROORGANISM CONTROL 2023; 28:49-56. [PMID: 37394527 DOI: 10.4265/jmc.28.2_49] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
The transmission of potentially life-threatening plasmid-mediated antibiotic-resistant bacteria poses a major threat to public health. This study aimed to determine the presence of commonly observed plasmids encoding plasmid-mediated antibiotic-resistance genes in Salmonella and Escherichia coli isolates from fishery products. Eighty river fishes were purchased from retail stores and supermarkets in Vietnam. Only Salmonella-positive fishes were used for antibiotic-resistant E. coli isolation. Salmonella serotyping was performed using Salmonella antisera. Isolated bacterial DNA was extracted, and antibiotic susceptibility, resistance genes, and replicon typing were determined. Our results showed that Salmonella was isolated from 12.5% (10/80) of the river fishes. Cefotaxime-resistant Salmonella was isolated from 3.8% (3/80) of the fishes and colistin-resistant Salmonella from 1.3% (1/80) . Salmonella serotyping revealed Potsdam, Schwarzengrund, Bardo/Newport, Give, Infantis, Kentucky, and Typhimurium. Multiplex polymerase chain reaction revealed the presence of extended-spectrum β-lactamase-related genes blaCTX-M-55 and blaCTX-M-65 and the colistin resistance gene mcr-1. To date, no study has reported an antibiotic-resistance plasmid present in multiple bacteria collected from the same food. Thus, horizontal transmission of antibiotic-resistance plasmids may occur at the food level.
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Affiliation(s)
- Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life
- Division of Biomedical Food Research, National Institute of Health Sciences
| | - Shiori Yamamoto
- Division of Biomedical Food Research, National Institute of Health Sciences
| | | | | | - Michio Jinnai
- Department of Microbiology, Kanagawa Prefectural Institute of Public Health
| | | | | | | | | | | | | | | | - Yuko Kumeda
- Research Center of Microorganism Control, Osaka Metropolitan University
| | - Atsushi Hase
- Faculty of Contemporary Human Life Science, Tezukayama University
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A scoping review of the distribution and frequency of extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae in shrimp and salmon. Epidemiol Infect 2022; 151:e1. [PMID: 36606359 PMCID: PMC9990388 DOI: 10.1017/s0950268822001819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Antimicrobial-resistant (AMR) bacteria are a threat to public health as they can resist treatment and pass along genetic material that allows other bacteria to become drug-resistant. To assess foodborne AMR risk, the Codex Guidelines for Risk Analysis of Foodborne AMR provide a framework for risk profiles and risk assessments. Several elements of a risk profile may benefit from a scoping review (ScR). To contribute to a larger risk profile structured according to the Codex Guidelines, our objective was to conduct a ScR of the current state of knowledge on the distribution, frequency and concentrations of extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae in salmon and shrimp. Articles were identified via a comprehensive search of five bibliographic databases. Two reviewers screened titles and abstracts for relevance and characterised full-text articles with screening forms developed a priori. Sixteen relevant studies were identified. This review found that there is a lack of Canadian data regarding ESBL-producing Enterobacteriaceae in salmon and shrimp. However, ESBL- producing Escherichia coli, Klebsiella pneumoniae and other Enterobacteriaceae have been isolated in multiple regions with a history of exporting seafood to Canada. The literature described herein will support future decision-making on this issue as research/surveillance and subsequent assessments are currently lacking.
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8
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Hoa TTT, Huyen HM, Nakayama T, Minh DTN, Hoang ON, Le Thi H, Thanh PN, Hoai PH, Yamaguchi T, Jinnai M, Do PN, Van CD, Kumeda Y, Hase A. Frequent contamination of edible freshwater fish with colistin-resistant Escherichia coli harbouring the plasmid-mediated mcr-1 gene. MARINE POLLUTION BULLETIN 2022; 184:114108. [PMID: 36166861 DOI: 10.1016/j.marpolbul.2022.114108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/09/2022] [Accepted: 09/03/2022] [Indexed: 06/16/2023]
Abstract
The threat of antimicrobial resistance is increasing. Microbial food contamination poses a serious public health risk; however, there are only a few studies on the prevalence of colistin-resistant Escherichia coli (COL-E) contamination in freshwater fish. This study aimed to characterise the antibiotic resistance genes and antibiotic susceptibility profiles of COL-E in freshwater fish in Vietnam. In total, 103 fish were collected and 63 COL-E were isolated. COL-E was investigated by genotyping mcr and AmpC/extended-spectrum β-lactamase (ESBL)-related genes. The results show that COL-E and AmpC/ESBL-producing COL-E were confirmed in 24.3 % and 14.6 % of the fish, respectively. Multiplex PCR for mcr-1-9 showed that all 63 COL-E harboured mcr-1, while mcr-3 was detected in 7.9 % of COL-E. The minimum inhibitory concentration of colistin ranged from 2 to 256 μg/mL. Meanwhile, antibiotic susceptibility results show that all COL-E were resistant to ampicillin, streptomycin, and chloramphenicol.
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Affiliation(s)
| | | | - Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life, Hiroshima University.
| | | | | | - Hien Le Thi
- Institute of Public Health, Ho Chi Minh City, Viet Nam
| | | | | | | | - Michio Jinnai
- Department of Microbiology, Kanagawa Prefectural Institute of Public Health, Japan
| | | | | | - Yuko Kumeda
- Research Center for Microorganism Control, Osaka Prefecture University, Japan
| | - Atsushi Hase
- Faculty of Contemporary Human Life Science, Tezukayama University, Japan
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On-Farm Practices Associated with Multi-Drug-Resistant Escherichia coli and Vibrio parahaemolyticus Derived from Cultured Fish. Microorganisms 2022; 10:microorganisms10081520. [PMID: 36013938 PMCID: PMC9414622 DOI: 10.3390/microorganisms10081520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 02/05/2023] Open
Abstract
Aquaculture activities have been implicated as responsible for the emergence of antimicrobial resistance (AMR), leading to broad dissemination and transference of antibiotic resistance to pathogens that affect humans and animals. The current study investigates the on-farm practices and environmental risk factors that can potentially drive the development and emergence of multi-drug-resistant (MDR) Escherichia coli and Vibrio parahaemolyticus in the aquaculture system. A cross-sectional study was conducted on 19 red hybrid tilapia (Oreochromis spp.) and 13 Asian seabass (Lates calcarifer, Bloch 1970) farms on the west coast of peninsular Malaysia. Data were collected using a structured questionnaire pertaining to farm demography, on-farm management practices and environmental characteristics. Multi-drug-resistant E. coli (n = 249) and V. parahaemolyticus (n = 162) isolates were analyzed using multi-level binary logistic regression to identify important drivers for the occurrence and proliferation of the MDR bacteria. On-farm practices such as manuring the pond (OR = 4.5; 95% CI = 1.21–16.57) were significantly associated with the occurrence of MDR E. coli, while earthen ponds (OR = 8.2; 95% CI = 1.47–45.2) and human activity adjacent to the farm (OR = 4.6; 95% CI = 0.75–27.98) were associated with an increased likelihood of MDR V. parahaemolyticus. Considering the paucity of information on the drivers of AMR in the aquaculture production in this region, these findings indicate the targeted interventions implementable at aquaculture farms to efficiently abate the risk of MDR amongst bacteria that affect fish that are of public health importance.
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Abdallah HM, Al Naiemi N, Elsohaby I, Mahmoud AFA, Salem GA, Vandenbroucke-Grauls CMJE. Prevalence of extended-spectrum β-lactamase-producing Enterobacterales in retail sheep meat from Zagazig city, Egypt. BMC Vet Res 2022; 18:191. [PMID: 35596221 PMCID: PMC9121610 DOI: 10.1186/s12917-022-03294-5] [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: 01/20/2022] [Accepted: 05/09/2022] [Indexed: 11/15/2022] Open
Abstract
Background The goal of this study was to investigate the prevalence of extended-spectrum β-lactamase production in Enterobacterales isolated from retail sheep meat in Zagazig, Egypt. Methods One hundred random samples of sheep meat were collected from different retail butcher shops (n = 5) in the city of Zagazig, Egypt. Bacterial isolates were identified by MALDI-TOF MS and screened for antibiotic susceptibility by disk diffusion; further genotypic characterization of β-lactamase-encoding genes was performed with Real-Time PCR. E. coli strains were phylotyped with the Clermont triplex PCR method. Results Of the total of 101 bacterial isolates recovered from retail sheep meat samples, 93 were E. coli, six were Enterobacter cloacae and two were Proteus mirabilis. As many as 17% of these 100 samples showed ESBL phenotypes, all were E. coli. The blaCTX-M genes were detected in seven isolates (six were blaCTX-M-15 and one was blaCTX-M-14), three isolates harboured blaTEM (all were blaTEM-one), and two carried genes of the blaSHV family (both were blaSHV-12). Eight E. coli isolates expressed ESBL phenotype but no blaTEM, blaSHV or blaCTX-M genes were detected by PCR. ESBL- positive E. coli isolates were nearly equally distributed over the commensal groups A/B1 and the virulent group D. Conclusion Nearly one in five sheep meat samples was contaminated with ESBL-E. coli. This further corroborates the potential role played by contaminated meat in the increasing resistance rates that have been reported worldwide.
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Affiliation(s)
- H M Abdallah
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt.
| | - N Al Naiemi
- Medical Microbiology and Infection Control, VU University Medical Center, Amsterdam, The Netherlands
| | - Ibrahim Elsohaby
- Department of Infectious Diseases and Public Health, Jockey Club of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong, China.,Department of Animal Medicine, Division of Infectious Diseases, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Abdallah F A Mahmoud
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Gamal A Salem
- Department of Pharmacology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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11
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Prevalence and Antimicrobial Resistance of Escherichia coli, Salmonella and Vibrio Derived from Farm-Raised Red Hybrid Tilapia (Oreochromis spp.) and Asian Sea Bass (Lates calcarifer, Bloch 1970) on the West Coast of Peninsular Malaysia. Antibiotics (Basel) 2022; 11:antibiotics11020136. [PMID: 35203739 PMCID: PMC8868497 DOI: 10.3390/antibiotics11020136] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 02/05/2023] Open
Abstract
Antibiotics are widely used in intensive fish farming, which in turn increases the emergence of antimicrobial-resistant (AMR) bacteria in the aquatic environment. The current study investigates the prevalence and determines the antimicrobial susceptibility of E. coli, Salmonella, and Vibrio in farmed fishes on the west coast of Peninsular Malaysia. Over a period of 12 months, 32 aquaculture farms from the Malaysian states of Selangor, Negeri Sembilan, Melaka, and Perak were sampled. Both E. coli and Salmonella were highly resistant to erythromycin, ampicillin, tetracycline, and trimethoprim, while Vibrio was highly resistant to ampicillin and streptomycin. Resistance to the antibiotics listed as the highest priority and critically important for human therapy, such as colistin in E. coli (18.1%) and Salmonella (20%) in fish, is a growing public health concern. The multi-drug resistance (MDR) levels of E. coli and Salmonella in tilapia were 46.5% and 77.8%, respectively. Meanwhile, the MDR levels of E. coli, Salmonella, V. parahaemolyticus, V. vulnificus and V. cholerae in Asian seabass were 34%, 100%, 21.6%, 8.3% and 16.7%, respectively. Our findings provide much-needed information on AMR in aquaculture settings that can be used to tailor better strategies for the use of antibiotics in aquaculture production at the local and regional levels.
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12
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Nakayama T, Le Thi H, Thanh PN, Minh DTN, Hoang ON, Hoai PH, Yamaguchi T, Jinnai M, Do PN, Van CD, Kumeda Y, Hase A. Abundance of colistin-resistant Escherichia coli harbouring mcr-1 and extended-spectrum β-lactamase-producing E. coli co-harbouring bla CTX-M-55 or -65 with bla TEM isolates from chicken meat in Vietnam. Arch Microbiol 2022; 204:137. [PMID: 35032196 DOI: 10.1007/s00203-021-02746-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/15/2021] [Accepted: 12/28/2021] [Indexed: 11/26/2022]
Abstract
Although the spread of plasmid-mediated antibiotic-resistant bacteria is a public health concern, food contamination with plasmid-mediated antibiotic-resistant Escherichia coli in Vietnam has not been well investigated. This study aimed to describe the prevalence of colistin-resistant, carbapenem-resistant, and endemic blaCTX-M in extended-spectrum β-lactamase (ESBL) producing E. coli isolates. Colistin and carbapenem-resistant ESBL-producing E. coli were isolated from chickens in Vietnam and Japan. Colistin-resistant and AmpC/ESBL-producing E. coli (52% and 93%, respectively) were detected in chickens from Vietnam, in comparison to 52.7%, AmpC/ESBL-producing E. coli found in chicken from Japan. Carbapenem-resistant E. coli has not been isolated in Vietnam and Japan. Genotyping revealed that colistin-resistant E. coli harboured mcr-1, and most of the AmpC/ESBL-related genes were blaCTX-M-55 and blaCTX-M-65 together with blaTEM in Vietnamese chickens and blaCMY-2 in Japanese chickens. Multi-drug resistance analysis showed that ESBL-producing E. coli isolates had greater resistance to quinolones, streptomycin, and chloramphenicol than colistin-resistant E. coli isolates from Vietnam, suggesting the selection of multiple antibiotic resistance genes in ESBL-producing E. coli. In conclusion, colistin-resistant E. coli was detected in approximately half of the chicken samples, the majority of which harboured mcr-1. The high prevalence of ESBL-producing E. coli has remained constant in the last 5 years. The predominant blaCTX-M in ESBL-producing E. coli was blaCTX-M-55 or blaCTX-M-65, with the coexistence of blaTEM in Vietnam. These results can be implemented in monitoring systems to overcome the development of antimicrobial resistance.
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Affiliation(s)
- Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, Hiroshima, Japan.
- Division of Biomedical Food Research, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan.
| | - Hien Le Thi
- Institute of Public Health, Ho Chi Minh City, Vietnam
| | | | | | | | | | - Takahiro Yamaguchi
- Department of Microbiology, Osaka Institute of Public Health, Higashinari-ku, Osaka, Japan
| | - Michio Jinnai
- Department of Microbiology, Kanagawa Prefecture Institute of Public Health, Chigasaki, Kanagawa, Japan
| | | | | | - Yuko Kumeda
- Research Center for Microorganism Control, Osaka Prefecture University, Sakai, Osaka, Japan
| | - Atsushi Hase
- Faculty of Contemporary Human Life Science, Tezukayama University, Nara, Japan
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13
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Nakayama T, Yamaguchi T, Jinnai M, Yamamoto S, Li HT, Ngo PT, Tran DNM, Nguyen OTH, Hoang PH, Do Nguyen P, Van Dang C, Kumeda Y, Hase A. Untargeted Phylogenetic Group III of Multi-drug-Resistant Bacillus cereus Isolated Using Fraser Medium from Retail Chickens in Ho Chi Minh City. Curr Microbiol 2021; 78:3115-3123. [PMID: 34173839 DOI: 10.1007/s00284-021-02562-1] [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: 08/04/2020] [Accepted: 05/31/2021] [Indexed: 11/26/2022]
Abstract
The prevalence of food-borne bacteria in developing countries is less well understood than in developed countries. The ISO11290-1 isolation method is commonly used to study Listeria contamination in chicken; however, all isolates are identified as untargeted Bacillus cereus. This study aimed to determine the classification, antibiotic susceptibility, and virulence genes of B. cereus isolated from retail chickens in Vietnam. Bacterial isolation using the ISO11290-1 method yielded 12 strains of B. cereus from seven out of 60 chickens. For determining bacterial diversity, panC and multilocus sequence typing (MLST) analyses were performed. PanC analysis showed that all seven strains belong to the phylogenetic group III, to which the highest risk of foodborne illnesses was associated. MLST analysis showed that most strains contained a ST205 complex; further, all strains were found to be resistant to ampicillin, ciprofloxacin, and tetracycline. Virulence genes were also investigated. ces, a cereulide-related gene, was detected in 50% of the isolated strains, followed by cytK, nheA, and hblA enterotoxins in 41.7%, 16.7%, and 25% of the strains, respectively. In conclusion, B. cereus may be erroneously detected when attempting to detect Listeria in food using the ISO11290-1 method. Further study of the prevalence of B. cereus in Vietnamese food is needed to improve food safety.
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Affiliation(s)
- Tatsuya Nakayama
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, Hiroshima, Japan.
- Division of Biomedical Food Research, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan.
| | - Takahiro Yamaguchi
- Department of Microbiology, Osaka Institute of Public Health, Higashinari-ku, Osaka, Japan
| | - Michio Jinnai
- Department of Microbiology, Kanagawa Prefecture Institute of Public Health, Chigasaki, Kanagawa, Japan
| | - Shiori Yamamoto
- Division of Biomedical Food Research, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Hien Thi Li
- Ho Chi Minh Institute of Public Health, Ho Chi Minh City, Vietnam
| | - Phong Thanh Ngo
- Ho Chi Minh Institute of Public Health, Ho Chi Minh City, Vietnam
| | | | | | | | - Phuc Do Nguyen
- Ho Chi Minh Institute of Public Health, Ho Chi Minh City, Vietnam
| | - Chinh Van Dang
- Ho Chi Minh Institute of Public Health, Ho Chi Minh City, Vietnam
| | - Yuko Kumeda
- Center for Microorganism Control, Osaka Prefecture University, Sakai, Osaka, Japan
| | - Atsushi Hase
- Faculty of Contemporary Human Life Science, Tezukayama University, Nara, Japan
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14
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Junaid K, Ejaz H, Asim I, Younas S, Yasmeen H, Abdalla AE, Abosalif KOA, Alameen AAM, Ahmad N, Bukhari SNA, Rehman A. Heavy Metal Tolerance Trend in Extended-Spectrum β-Lactamase Encoding Strains Recovered from Food Samples. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18094718. [PMID: 33925201 PMCID: PMC8124721 DOI: 10.3390/ijerph18094718] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/27/2021] [Accepted: 04/27/2021] [Indexed: 02/06/2023]
Abstract
This study evaluates bacteriological profiles in ready-to-eat (RTE) foods and assesses antibiotic resistance, extended-spectrum β-lactamase (ESBL) production by gram-negative bacteria, and heavy metal tolerance. In total, 436 retail food samples were collected and cultured. The isolates were screened for ESBL production and molecular detection of ESBL-encoding genes. Furthermore, all isolates were evaluated for heavy metal tolerance. From 352 culture-positive samples, 406 g-negative bacteria were identified. Raw food samples were more often contaminated than refined food (84.71% vs. 76.32%). The predominant isolates were Klebsiella pneumoniae (n = 76), Enterobacter cloacae (n = 58), and Escherichia coli (n = 56). Overall, the percentage of ESBL producers was higher in raw food samples, although higher occurrences of ESBL-producing E. coli (p = 0.01) and Pseudomonas aeruginosa (p = 0.02) were observed in processed food samples. However, the prevalence of ESBL-producing Citrobacter freundii in raw food samples was high (p = 0.03). Among the isolates, 55% were blaCTX-M, 26% were blaSHV, and 19% were blaTEM. Notably, heavy metal resistance was highly prevalent in ESBL producers. These findings demonstrate that retail food samples are exposed to contaminants including antibiotics and heavy metals, endangering consumers.
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Affiliation(s)
- Kashaf Junaid
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Skaka 72388, Saudi Arabia; (H.E.); (A.E.A.); (K.O.A.A.); (A.A.M.A.)
- Correspondence: ; Tel.: +966-55-237-8576
| | - Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Skaka 72388, Saudi Arabia; (H.E.); (A.E.A.); (K.O.A.A.); (A.A.M.A.)
| | - Iram Asim
- Department of Microbiology and Molecular Genetics, The Women University, Multan 66000, Pakistan; (I.A.); (H.Y.)
| | - Sonia Younas
- Department of Pathology, Tehsil Headquarter Hospital Kamoke, Kamoke 50661, Pakistan;
| | - Humaira Yasmeen
- Department of Microbiology and Molecular Genetics, The Women University, Multan 66000, Pakistan; (I.A.); (H.Y.)
| | - Abualgasim Elgaili Abdalla
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Skaka 72388, Saudi Arabia; (H.E.); (A.E.A.); (K.O.A.A.); (A.A.M.A.)
| | - Khalid Omer Abdalla Abosalif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Skaka 72388, Saudi Arabia; (H.E.); (A.E.A.); (K.O.A.A.); (A.A.M.A.)
| | - Ayman Ali Mohammed Alameen
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Skaka 72388, Saudi Arabia; (H.E.); (A.E.A.); (K.O.A.A.); (A.A.M.A.)
| | - Naveed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Syed Nasir Abbas Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Abdul Rehman
- Department of Microbiology and Molecular Genetics, University of the Punjab, Lahore 54590, Pakistan;
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15
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Kurittu P, Khakipoor B, Aarnio M, Nykäsenoja S, Brouwer M, Myllyniemi AL, Vatunen E, Heikinheimo A. Plasmid-Borne and Chromosomal ESBL/AmpC Genes in Escherichia coli and Klebsiella pneumoniae in Global Food Products. Front Microbiol 2021; 12:592291. [PMID: 33613476 PMCID: PMC7886708 DOI: 10.3389/fmicb.2021.592291] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 01/14/2021] [Indexed: 01/09/2023] Open
Abstract
Plasmid-mediated extended-spectrum beta-lactamase (ESBL), AmpC, and carbapenemase producing Enterobacteriaceae, in particular Escherichia coli and Klebsiella pneumoniae, with potential zoonotic transmission routes, are one of the greatest threats to global health. The aim of this study was to investigate global food products as potential vehicles for ESBL/AmpC-producing bacteria and identify plasmids harboring resistance genes. We sampled 200 food products purchased from Finland capital region during fall 2018. Products originated from 35 countries from six continents and represented four food categories: vegetables (n = 60), fruits and berries (n = 50), meat (n = 60), and seafood (n = 30). Additionally, subsamples (n = 40) were taken from broiler meat. Samples were screened for ESBL/AmpC-producing Enterobacteriaceae and whole genome sequenced to identify resistance and virulence genes and sequence types (STs). To accurately identify plasmids harboring resistance and virulence genes, a hybrid sequence analysis combining long- and short-read sequencing was employed. Sequences were compared to previously published plasmids to identify potential epidemic plasmid types. Altogether, 14 out of 200 samples were positive for ESBL/AmpC-producing E. coli and/or K. pneumoniae. Positive samples were recovered from meat (18%; 11/60) and vegetables (5%; 3/60) but were not found from seafood or fruit. ESBL/AmpC-producing E. coli and/or K. pneumoniae was found in 90% (36/40) of broiler meat subsamples. Whole genome sequencing of selected isolates (n = 21) revealed a wide collection of STs, plasmid replicons, and genes conferring multidrug resistance. blaCTX–M–15-producing K. pneumoniae ST307 was identified in vegetable (n = 1) and meat (n = 1) samples. Successful IncFII plasmid type was recovered from vegetable and both IncFII and IncI1-Iγ types from meat samples. Hybrid sequence analysis also revealed chromosomally located beta-lactamase genes in two of the isolates and indicated similarity of food-derived plasmids to other livestock-associated sources and also to plasmids obtained from human clinical samples from various countries, such as IncI type plasmid harboring blaTEM–52C from a human urine sample obtained in the Netherlands which was highly similar to a plasmid obtained from broiler meat in this study. Results indicate certain foods contain bacteria with multidrug resistance and pose a possible risk to public health, emphasizing the importance of surveillance and the need for further studies on epidemiology of epidemic plasmids.
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Affiliation(s)
- Paula Kurittu
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Banafsheh Khakipoor
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | | | | | | | | | | | - Annamari Heikinheimo
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland.,Finnish Food Authority, Seinäjoki, Finland
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16
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Nakayama T, Kumeda Y, Kawahara R, Yamamoto Y. Quantification and long-term carriage study of human extended-spectrum/AmpC β-lactamase-producing Escherichia coli after international travel to Vietnam. J Glob Antimicrob Resist 2020; 21:229-234. [DOI: 10.1016/j.jgar.2019.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 08/05/2019] [Accepted: 11/01/2019] [Indexed: 10/25/2022] Open
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17
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Abayneh M, Tesfaw G, Woldemichael K, Yohannis M, Abdissa A. Assessment of extended-spectrum β-lactamase (ESBLs) - producing Escherichia coli from minced meat of cattle and swab samples and hygienic status of meat retailer shops in Jimma town, Southwest Ethiopia. BMC Infect Dis 2019; 19:897. [PMID: 31660887 PMCID: PMC6819479 DOI: 10.1186/s12879-019-4554-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 10/10/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The impact of animals sources of food as a possible reservoir for extended-spectrum β-lactamase (ESBL) - Producing E. coli, and the dissemination of such strains into the food production chain need to be assessed. This study was aimed to assess the presence and antimicrobial susceptibility patterns of ESBLs - producing E. coli isolates from minced meat and environmental swab samples at meat retailer shops of Jimma town, Southwest Ethiopia. METHODOLOGY A cross-sectional descriptive study was conducted from March to June, 2016. A total of 168 minced meat and swab samples were first enriched by buffered peptone water (BPW) for overnight and streaked onto MacConkey agar. Double disk synergy (DDS) method was used for detection of ESBL-producing strains. A disk of amoxicillin + clavulanic acid (20/10 μg) was placed in the center of Mueller-Hinton agar plate, and cefotaxime (30 μg) and ceftazidime (30 μg) were placed at a distance of 20 mm from the central disk. Checklist was used to assess hygienic status of butcher shops and practices meat handlers. RESULTS A total of 35 (20.80%) biochemically confirmed E. coli were obtained from 168 samples. Of these, 21 (23.9%) of them were detected from 88 minced meat and the other 14 (17.5%) from 80 swab samples taken from butcher's hand, knives, chopping board and protective clothing. From 35 E. coli isolates, 7(20%) of them were confirmed as ESBL- producers. Among ESBL- producing strains, 85.7% were resistant for cefotaxime and ceftriaxone and 71.4% for ceftazidime. Among non-ESBLs-producing strains only seven isolates were resistant to third generation cephalosporin. All E. coli isolates were resistant to ampicillin, penicillin and erythromycin, and susceptible to amikacin. Poor hygienic status of butcher shops and unhygienic practice of meat handlers were observed. CONCLUSION The detections of ESBLs- producing strains could be contributed for the increment of multi drug resistant isolates. This study also concluded that, unhygienic meat handling and processing practice can contribute for contaminations of meat. Thus, strategies should be planned and implemented to improve the knowledge and practice of butchers about handling and processing of meat.
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Affiliation(s)
- Mengistu Abayneh
- School of Medical Laboratory Sciences, Mizan-Tepi University, PO Box 260, Mizan-Aman, Ethiopia
| | - Getnet Tesfaw
- School of Medical Laboratory Sciences, Jimma University, Jimma, Ethiopia
| | | | - Moti Yohannis
- Schools of Veterinary Medicine, Jimma University, PO Box 378, Jimma, Ethiopia
| | - Alemseged Abdissa
- School of Medical Laboratory Sciences, Jimma University, Jimma, Ethiopia
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18
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Hoa TTT, Nakayama T, Huyen HM, Harada K, Hinenoya A, Phuong NT, Yamamoto Y. Extended-spectrum beta-lactamase-producing Escherichia coli harbouring sul and mcr-1 genes isolates from fish gut contents in the Mekong Delta, Vietnam. Lett Appl Microbiol 2019; 71:78-85. [PMID: 31529721 DOI: 10.1111/lam.13222] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/12/2019] [Accepted: 09/12/2019] [Indexed: 12/26/2022]
Abstract
This study investigated the existence of sulfonamides and colistin resistance genes among extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli recovered from fish gut in Vietnam and evaluated the susceptibility patterns of the ESBL-producing E. coli to relevant antimicrobials. A total of 88 ESBL-producing E. coli isolates were analysed for the presence of the ESBLs, sul (1, 2, 3) and mcr (1-3) genes by PCR. Antimicrobial resistance phenotypes of isolates were determined by disc diffusion. Results showed that: (i) A high prevalence of 94·3% of sulfonamide resistance was observed in 88 isolates. Moreover, the existence of 2·3% of ESBL-producing E. coli harbouring mcr-1 gene were detected; (ii) The phylogenetic types A and B1 were most frequent, and the blaCTX-M group1 and blaTEM genes encoding ESBL were detected in 47·7% of the isolates; (iii) ESBL-producing E. coli harbouring mcr-1 gene exhibited resistance to 11 antibiotics. The existence of mcr-1 and sul1,2,3 genes and the extremely high level of multiple drug resistance in all ESBL-producing E. coli isolates obtained from sampled fish in Vietnam is a major concern. Therefore, it is imperative to monitor ESBL-producing E. coli in the river waters of Vietnam.
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Affiliation(s)
- T T T Hoa
- College of Aquaculture and Fisheries, Can Tho University, Can Tho, Vietnam
| | - T Nakayama
- Division of Biomedical Food Research, National Institute of Health Sciences, Kawasaki, Japan.,Center for Global Initiatives, Osaka University, Suita, Japan
| | - H M Huyen
- College of Aquaculture and Fisheries, Can Tho University, Can Tho, Vietnam
| | - K Harada
- Graduate School of Medicine, Osaka University, Suita, Japan
| | - A Hinenoya
- Graduate School of Life and Environmental Science, Osaka Prefecture University, Izumisano, Japan
| | - N T Phuong
- College of Aquaculture and Fisheries, Can Tho University, Can Tho, Vietnam
| | - Y Yamamoto
- Life Science Research Center, Gifu University, Gifu, Japan
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19
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Silva V, Nunes J, Gomes A, Capita R, Alonso-Calleja C, Pereira JE, Torres C, Igrejas G, Poeta P. Detection of Antibiotic Resistance in Escherichia coli Strains: Can Fish Commonly Used in Raw Preparations such as Sushi and Sashimi Constitute a Public Health Problem? J Food Prot 2019; 82:1130-1134. [PMID: 31225976 DOI: 10.4315/0362-028x.jfp-18-575] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
HIGHLIGHTS Forty-five E. coli isolates were recovered from fresh fish. Three of the E. coli isolates produced ESBL. ESBL-producing E. coli isolates harbored the blaCTX-M-1 and blaTEM genes. The presence of ESBL-producing E. coli may represent a serious public health problem.
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Affiliation(s)
- Vanessa Silva
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - João Nunes
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Anícia Gomes
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Rosa Capita
- 4 Associated Laboratory for Green Chemistry, University NOVA of Lisboa, Lisboa, Caparica, Portugal
| | - Carlos Alonso-Calleja
- 4 Associated Laboratory for Green Chemistry, University NOVA of Lisboa, Lisboa, Caparica, Portugal
| | - José Eduardo Pereira
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,5 Department of Food Hygiene and Technology, Veterinary Faculty and Institute of Food Science and Technology, University of León, León, Spain
| | - Carmen Torres
- 7 Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, La Rioja, Spain
| | - Gilberto Igrejas
- 2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Patrícia Poeta
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
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Emergence and Spread of Extended Spectrum β-Lactamase Producing Enterobacteriaceae (ESBL-PE) in Pigs and Exposed Workers: A Multicentre Comparative Study between Cameroon and South Africa. Pathogens 2019; 8:pathogens8010010. [PMID: 30654509 PMCID: PMC6470761 DOI: 10.3390/pathogens8010010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 11/20/2022] Open
Abstract
Extended spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE) represent a significant public health concern globally and are recognized by the World Health Organization as pathogens of critical priority. However, the prevalence of ESBL-PE in food animals and humans across the farm-to-plate continuum is yet to be elucidated in Sub-Saharan countries including Cameroon and South Africa. This work sought to determine the risk factors, carriage, antimicrobial resistance profiles and genetic relatedness of extended spectrum β-lactamase producing Enterobacteriaceae (ESBL-PE) amid pigs and abattoir workers in Cameroon and South Africa. ESBL-PE from pooled samples of 432 pigs and nasal and hand swabs of 82 humans were confirmed with VITEK 2 system. Genomic fingerprinting was performed by ERIC-PCR. Logistic regression (univariate and multivariate) analyses were carried out to identify risk factors for human ESBL-PE carriage using a questionnaire survey amongst abattoir workers. ESBL-PE prevalence in animal samples from Cameroon were higher than for South Africa and ESBL-PE carriage was observed in Cameroonian workers only. Nasal ESBL-PE colonization was statistically significantly associated with hand ESBL-PE (21.95% vs. 91.67%; p = 0.000; OR = 39.11; 95% CI 2.02–755.72; p = 0.015). Low level of education, lesser monthly income, previous hospitalization, recent antibiotic use, inadequate handwashing, lack of training and contact with poultry were the risk factors identified. The study highlights the threat posed by ESBL-PE in the food chain and recommends the implementation of effective strategies for antibiotic resistance containment in both countries.
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21
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Dang STT, Bortolaia V, Tran NT, Le HQ, Dalsgaard A. Cephalosporin-resistant Escherichia coli isolated from farm workers and pigs in northern Vietnam. Trop Med Int Health 2019; 23:415-424. [PMID: 29575455 DOI: 10.1111/tmi.13054] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Antimicrobial-resistant bacteria may be transmitted between farm workers and livestock. This study aimed to determine and compare the prevalence and the genetic determinants of cefotaxime-resistant and ESBL-producing Escherichia coli in faecal isolates from workers and pigs at 100 farms in northern Vietnam. METHODS Farmers were interviewed about antimicrobial usage in livestock. Escherichia coli isolated on MacConkey agar containing 2 mg/l of cefotaxime (CTX) were tested for susceptibility to different cephalosporins by disc diffusion and screened for occurrence of ESBL-encoding genes by PCR. RESULTS Antimicrobial usage was widespread and included classes regarded of critical or high importance in human medicine. Dosages were 0.5-2 times higher than recommended, and antimicrobials were often administered right until slaughter. Prevalence of CTX-resistant E. coli was 86% in farm workers and 89% in pigs. In 76% of farms, CTX-resistant E. coli were shared by pigs and farm workers. ESBL-producing E. coli were detected from pigs and workers at 66 and 69 farms, respectively. The ESBL phenotype was mainly mediated by CTX-M and to a lesser extent by TEM. Occurrence of blaCTX-M was similar in E. coli from pigs (66.7%) and humans (68.5%). CONCLUSION The high occurrence of ESBL-producing E. coli in pig farmers and pigs could present a risk for spillover of these bacteria from pig farms into the community. Genomic studies are needed to elucidate reservoirs and transmission routes of ESBL-producing E. coli at livestock farms.
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Affiliation(s)
- Son T T Dang
- Veterinary Hygiene Department, National Institute of Veterinary Research, Hanoi, Vietnam
| | - Valeria Bortolaia
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Nhat T Tran
- Veterinary Hygiene Department, National Institute of Veterinary Research, Hanoi, Vietnam
| | - Huan Q Le
- Animal Cell Biotechnology Lab, Institute of Biotechnology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Anders Dalsgaard
- Department of Veterinary and Animal Sciences, University of Copenhagen, Copenhagen, Denmark
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22
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Vitas AI, Naik D, Pérez-Etayo L, González D. Increased exposure to extended-spectrum β-lactamase-producing multidrug-resistant Enterobacteriaceae through the consumption of chicken and sushi products. Int J Food Microbiol 2018; 269:80-86. [PMID: 29421362 DOI: 10.1016/j.ijfoodmicro.2018.01.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 12/19/2017] [Accepted: 01/30/2018] [Indexed: 10/18/2022]
Abstract
The aim of this study was to determine the occurrence and patterns of resistance of extended-spectrum β-lactamase (ESBL) producing Enterobacteriaceae in food products purchased in Navarra, northern Spain. A total of 174 samples of fish and chicken were analyzed from September 2015 to September 2016, including raw and ready-to-eat products: trout (n = 25), salmon (n = 28), panga (n = 13), chicken nuggets and chicken scalopes (n = 32), sushi (n = 31) and sliced cooked poultry (n = 45). Cefpodoxime-resistant strains were isolated on ChromID ESBL agar and further phenotypic (antimicrobial study on MicroScan© NM37 panel) and genotypic characterization (multiplex PCR, sequencing and multi-locus sequence typing, MLST) was performed to confirm and characterize ESBL producers. Raw chicken and sushi have been determined as the most risky products regarding transmission of ESBL-producing Enterobacteriaceae (occurrence 53.1% and 19.4%, respectively), while sliced cooked poultry products appear to be a safe product in this aspect. With regard to raw fish, prevalence in salmon was lower (3.6%) than in trout and panga (16.0%). Ninety-eight per cent of ESBL isolates (n = 50) show multidrug-resistant profiles, highlighting the high resistances against quinolones and tetracyclines observed in chicken isolates, as well as against ertapenem and chloramphenicol in sushi strains. Predominant β-lactamase type was SHV-12 (50.1%), followed by TEM-type (24.5%) and CTX-M (20.8%). In addition, CTX-M type was only detected in chicken products. The phylogenetic study showed the prevalence of groups A (35%), F (25%) and B1 (15%), usually related to nonvirulent strains. MLST E. coli isolates (n = 20) were grouped into 5 clonal complexes (CC) and 15 sequence types (ST), showing high clonal diversity. ST117 was the prevalent sequence type, while the human pathogen ST131 was not detected in this study. The high prevalence of ESBL-producing multidrug-resistant Enterobacteriaceae detected in products of widespread consumption such as chicken and sushi, increases the concern regarding human exposure to superbugs and encourages the need to improve surveillance of this public health issue.
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Affiliation(s)
- Ana Isabel Vitas
- Department of Microbiology and Parasitology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain; IDISNA, Navarra Health Research Institute, Pamplona, Spain.
| | - Dixita Naik
- Department of Microbiology and Parasitology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain; IDISNA, Navarra Health Research Institute, Pamplona, Spain
| | - Lara Pérez-Etayo
- Department of Microbiology and Parasitology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain; IDISNA, Navarra Health Research Institute, Pamplona, Spain
| | - David González
- Department of Microbiology and Parasitology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain; IDISNA, Navarra Health Research Institute, Pamplona, Spain
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Said LB, Hamdaoui M, Jouini A, Boudabous A, Slama KB, Torres C, Klibi N. First Detection of CTX-M-1 in Extended-Spectrum β-Lactamase-Producing Escherichia coli in Seafood from Tunisia. J Food Prot 2017; 80:1877-1881. [PMID: 29039707 DOI: 10.4315/0362-028x.jfp-16-324] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 01/17/2017] [Indexed: 11/11/2022]
Abstract
The purpose of this study was to determine the carriage rate of Escherichia coli isolates in seafood, to analyze the phenotype and genotype of antimicrobial resistance in the recovered isolates, and to characterize extended-spectrum β-lactamase (ESBL) E. coli producers. E. coli isolates were recovered from 24 (34.3%) of the 70 seafood samples analyzed, and one isolate per sample was further characterized. Antibiotic resistance was determined by the disk diffusion method in the 24 isolates, with the following results (number of resistant isolates): tetracycline (8), streptomycin (7), ampicillin (6), trimethoprim-sulfamethoxazole (4), chloramphenicol (4), ciprofloxacin (3), cefotaxime (2), and ceftazidime (2). Six isolates showed a multiresistant phenotype (including at least three families of antibiotics). Among tetracycline-resistant E. coli isolates, tet(A) was detected in five isolates and tet(B) in two isolates. The qnr(A) or aac(6')-1b-cr genes were detected in two ciprofloxacin-resistant E. coli isolates, and the sul2 gene in two trimethoprim-sulfamethoxazole-resistant isolates. ESBL-containing E. coli isolates, carrying the blaCTX-M-1 gene, were detected in 2 of the 70 seafood samples, obtained from gilt-head bream aquaculture. The ESBL isolates were typed phylogenetically and by multilocus sequence typing, and they were ascribed to lineage ST48/A and to the new ST3497/B1; these isolates carried the fimA, aer, and papGIII virulence genes. One of the ESBL-producing E. coli isolates carried an unusual class 1 integron (with the array dfr32-ereA-aadA1). Seafood could be a source of multiresistant E. coli isolates for the aquatic environment, and these could enter the food chain.
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Affiliation(s)
- Leila Ben Said
- Laboratoire des Microorganismes et Biomolécules actives, Faculté de Sciences de Tunis
| | - Mouna Hamdaoui
- Laboratoire des Microorganismes et Biomolécules actives, Faculté de Sciences de Tunis
| | - Ahlem Jouini
- Laboratory of Epidemiology and Veterinary Microbiology, Pasteur Institute of Tunis, Tunisia
| | - Abdellatif Boudabous
- Laboratoire des Microorganismes et Biomolécules actives, Faculté de Sciences de Tunis
| | - Karim Ben Slama
- Laboratoire des Microorganismes et Biomolécules actives, Faculté de Sciences de Tunis.,Institut Supérieur des Sciences Biologiques Appliquées de Tunis, Université de Tunis El Manar, 2092 Tunis, Tunisia
| | - Carmen Torres
- Area de Bioquímica y Biología Molecular, Universidad de La Rioja, 26006 Logroño, Spain
| | - Naouel Klibi
- Laboratoire des Microorganismes et Biomolécules actives, Faculté de Sciences de Tunis
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Potential transmission opportunity of CTX-M-producing Escherichia coli on a large-scale chicken farm in Vietnam. J Glob Antimicrob Resist 2017; 13:1-6. [PMID: 29030311 DOI: 10.1016/j.jgar.2017.09.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 08/28/2017] [Accepted: 09/21/2017] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli have disseminated worldwide. This study investigated blaCTX-M-positive E. coli on a large-scale Vietnamese chicken farm and analysed whether there was any difference in prevalence and molecular characteristics of blaCTX-M-positive E. coli between the farm and the Vietnamese community. METHODS Faecal samples were collected from 24 human individuals and 38 chickens from the large-scale chicken farm as well as 51 humans and 36 chickens from the community. All samples were collected between June 2013 and June 2014 in Bavi Province in the Red River Delta region of Vietnam. Molecular characterisation of CTX-M-producing E. coli and genetic relatedness among the isolates were evaluated by conventional typing methods. Antimicrobial susceptibility of the isolates was evaluated by the disk diffusion method. RESULTS The prevalence of blaCTX-M-positive E. coli was 83.3%, 71.1%, 54.9% and 13.9% in farm workers, farm chickens, community individuals and community backyard chickens, respectively. On average, blaCTX-M-positive E. coli isolates from farm chickens were resistant to 8.3 different antibiotics. The average number of detected aminoglycoside-modifying enzyme genes (3.4 genes) and the detection rate of the plasmid-mediated colistin resistance gene mcr-1 (33.3%) were higher in blaCTX-M-positive E. coli isolated from farm chickens compared with other sampling groups. In addition, two types of indistinguishable pulsed-field gel electrophoresis (PFGE) patterns were observed in six blaCTX-M-65-positive E. coli and three blaCTX-M-55-positive E. coli from farm chickens. CONCLUSIONS These results suggest a more frequent transmission opportunity of blaCTX-M-positive E. coli on the large-scale Vietnamese chicken farm.
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Sudarwanto MB, Lukman DW, Purnawarman T, Latif H, Pisestyani H, Sukmawinata E. Multidrug resistance extended spectrum β-lactamase and AmpC producing Escherichia coli isolated from the environment of Bogor Slaughterhouse, Indonesia. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.07.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Nakayama T, Tuyet Hoa TT, Harada K, Warisaya M, Asayama M, Hinenoya A, Lee JW, Phu TM, Ueda S, Sumimura Y, Hirata K, Phuong NT, Yamamoto Y. Water metagenomic analysis reveals low bacterial diversity and the presence of antimicrobial residues and resistance genes in a river containing wastewater from backyard aquacultures in the Mekong Delta, Vietnam. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 222:294-306. [PMID: 28062224 DOI: 10.1016/j.envpol.2016.12.041] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Revised: 12/12/2016] [Accepted: 12/17/2016] [Indexed: 06/06/2023]
Abstract
The environmental pathways for the dissemination of antibiotic resistance have recently received increased attention. Aquatic environments act as reservoirs or sources of antimicrobial-resistant bacteria, antimicrobial residues, and antimicrobial resistance genes (ARGs). Therefore, it is imperative to identify the role of polluted water in the dissemination of antimicrobial resistance. The aim of this study was to evaluate the antimicrobial residues, ARGs, and microbiota in the freshwater systems of the Mekong Delta. We selected 12 freshwater sites from aquacultures and rivers in Can Tho, Vietnam and analyzed them for 45 antimicrobial residues and 8 ARGs by LC/MS/MS and real-time PCR, respectively. A 16S rDNA-based metagenomic analysis was conducted to characterize the water microbiota. Residues of sulfamethoxazole (10/12) and sulfadimidine (7/12) were widely detected, together with the sulfa-resistance genes sul1 (11/12) and sul2 (9/12). Additionally, sulfamethoxazole residues and the β-lactamase-resistance gene blaCTX-M-1 were detected in eight freshwater systems (8/12), suggesting that these freshwater systems may have been polluted by human activity. The metagenomic analysis showed that all the tested freshwater systems contained the phyla Proteobacteria, Actinobacteria, and Bacteroidetes, representing 64% of the total microbiota. Moreover, the Cai Rang River site (Ri-E), which is located at the merge point of wastewaters from backyard-based aquacultures, contained the genera Polynucleobacter, Variovorax, and Limnohabitans, representing more than 78.4% of the total microbiota. Bacterial diversity analysis showed that the Ri-E exhibited the lowest diversity compared with other regions. Principal coordinate analysis showed that the differences among water microbiotas in backyard-based aquacultures could be explained by the farmers' aquaculture techniques. In conclusion, this study demonstrated a collapse of bacterial diversity at the merge point of wastewaters from backyard-based aquacultures in the Mekong Delta.
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Affiliation(s)
- Tatsuya Nakayama
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan; Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-58, Rinku Ourai Kita, Izumisano, Osaka, 598-8531, Japan; Graduate School of Pharmaceutical Science, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tran Thi Tuyet Hoa
- College of Aquaculture and Fisheries, Can Tho University, Campus II, 3/2 Street, Ninh Kieu, Can Tho, Viet Nam
| | - Kazuo Harada
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan; Graduate School of Pharmaceutical Science, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Minae Warisaya
- Graduate School of Pharmaceutical Science, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Megumi Asayama
- Graduate School of Pharmaceutical Science, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Atsushi Hinenoya
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-58, Rinku Ourai Kita, Izumisano, Osaka, 598-8531, Japan
| | - Joon Won Lee
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tran Minh Phu
- College of Aquaculture and Fisheries, Can Tho University, Campus II, 3/2 Street, Ninh Kieu, Can Tho, Viet Nam
| | - Shuhei Ueda
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yoshinori Sumimura
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kazumasa Hirata
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan; Graduate School of Pharmaceutical Science, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Nguyen Thanh Phuong
- College of Aquaculture and Fisheries, Can Tho University, Campus II, 3/2 Street, Ninh Kieu, Can Tho, Viet Nam
| | - Yoshimasa Yamamoto
- Global Collaboration Center, Osaka University, 2-7, Yamadaoka, Suita, Osaka, 565-0871, Japan; Osaka Prefectural Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka, 537-0025, Japan
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Nakayama T, Ha NC, Quoc Le P, Kawahara R, Kumeda Y, Sumimura Y, Yamamoto Y. Consumption of edible ice contaminated with Acinetobacter, Pseudomonas, and Stenotrophomonas is a risk factor for fecal colonization with extended-spectrum β-lactamase-producing Escherichia coli in Vietnam. JOURNAL OF WATER AND HEALTH 2017; 15:813-822. [PMID: 29040083 DOI: 10.2166/wh.2017.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Although Vietnamese residents frequently harbor extended-spectrum β-lactamase-producing Escherichia coli (ESBL-E), it is unclear which foods/beverages are risk factors for acquiring these bacteria. The aim of this study was to evaluate the frequency with which edible ice served in restaurants is contaminated with antibiotic-resistant bacteria, and thereby clarify whether this product poses a risk for ESBL-E carriage in humans. Ice from restaurants in Vietnam and Japan was screened for bacteria capable of growing on agar containing cefotaxime (BG-CTX). Of the 119 BG-CTX strains isolated in Vietnam, 40%, 39%, and 12% were identified as Pseudomonas spp., Acinetobacter spp., and Stenotrophomonas maltophilia, respectively. Meanwhile, of the six such strains isolated in Japan, five were identified as Acinetobacter spp. and one as Pseudomonas spp. More than 10% of the Acinetobacter isolates exhibited cefotaxime, ceftazidime, and sulfa/trimethoprim resistance, while 21% of Pseudomonas and 14% of S. maltophilia isolates exhibited meropenem and sulfa/trimethoprim resistance, respectively. Subsequent multiplex polymerase chain reaction (PCR) analyses detected ESBL-encoding genes in 10% of the BG-CTX. Notably, feces harvested from mice administered water contaminated with BG-CTX contained E. coli harboring the blaCTX-M-9 gene. In conclusion, our findings indicate that consumption of contaminated edible ice is a risk factor for human ESBL-E carriage.
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