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Ma J, Dai J, Cao C, Su L, Cao M, He Y, Li M, Zhang Z, Chen J, Cui S, Yang B. Prevalence, serotype, antimicrobial susceptibility, contamination factors, and control methods of Salmonella spp. in retail fresh fruits and vegetables: A systematic review and meta-analysis. Compr Rev Food Sci Food Saf 2024; 23:e13407. [PMID: 39030802 DOI: 10.1111/1541-4337.13407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 05/24/2024] [Accepted: 06/22/2024] [Indexed: 07/22/2024]
Abstract
This research presents a comprehensive review of Salmonella presence in retail fresh fruits and vegetables from 2010 to 2023, utilizing data from recognized sources such as PubMed, Scopus, and Web of Science. The study incorporates a meta-analysis of prevalence, serovar distribution, antimicrobial susceptibility, and antimicrobial resistance genes (ARGs). Additionally, it scrutinizes the heterogeneous sources across various food categories and geographical regions The findings show a pooled prevalence of 2.90% (95% CI: 0.0180-0.0430), with an increase from 4.63% in 2010 to 5.32% in 2022. Dominant serovars include S. Typhimurium (29.14%, 95% CI: 0.0202-0.6571) and S. Enteritidis (21.06%, 95% CI: 0.0181-0.4872). High resistance rates were noted for antimicrobials like erythromycin (60.70%, 95% CI: 0.0000-1.0000) and amoxicillin (39.92%, 95% CI: 0.0589-0.8020). The most prevalent ARGs were blaTEM (80.23%, 95% CI: 0.5736-0.9692) and parC mutation (66.67%, 95% CI: 0.3213-0.9429). Factors such as pH, water activity, and nutrient content, along with external factors like the quality of irrigation water and prevailing climatic conditions, have significant implications on Salmonella contamination. Nonthermal sterilization technologies, encompassing chlorine dioxide, ozone, and ultraviolet light, are emphasized as efficacious measures to control Salmonella. This review stresses the imperative need to bolster prevention strategies and control measures against Salmonella in retail fresh fruits and vegetables to alleviate related food safety risks.
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Affiliation(s)
- Jiaqi Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Jinghan Dai
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Chenyang Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Li Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Mengyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Yuanjie He
- College of Life Science, Northwest A&F University, Yangling, China
| | - Mei Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Zengfeng Zhang
- Department of Food Science & Technology, School of Agriculture & Biology, and State Key Lab of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China
| | - Jia Chen
- College of Chemical Technology, Shijiazhuang University, Shijiazhuang, China
| | - Shenghui Cui
- National Institutes for Food and Drug Control, Beijing, China
| | - Baowei Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
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Nhung NT, Phu DH, Carrique-Mas JJ, Padungtod P. A review and meta-analysis of non-typhoidal Salmonella in Vietnam: Challenges to the control and antimicrobial resistance traits of a neglected zoonotic pathogen. One Health 2024; 18:100698. [PMID: 38468610 PMCID: PMC10926303 DOI: 10.1016/j.onehlt.2024.100698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 12/18/2023] [Accepted: 02/29/2024] [Indexed: 03/13/2024] Open
Abstract
Non-typhoidal Salmonella (NTS) is a food-borne zoonotic pathogen with important implications for human health. Despite its importance, the burden of NTS infections in Vietnam is unknown. We conducted a systematic review and a meta-analysis to describe the prevalence and phenotypic antimicrobial resistance (AMR) for NTS over time in Vietnam. Following PRISMA guidelines, we identified 72 studies from PubMed and Google Scholar containing data relevant to 'Salmonella', 'Salmonellosis', and 'Vietnam', or 'Viet Nam'. Of those, forty-two papers reporting prevalence of NTS, and twenty-six including data on phenotypic resistance were selected for meta-analysis. The prevalence of NTS ranged from 2% to 5% in humans and from 30% to 41% in samples from animals and the farm/slaughterhouse environment. Between 2000 and 2020 we observed a 27.3% (p = 0.044) increase in absolute terms in prevalence among individuals with enteric diseases and a 12.0% (p = 0.047) increase in aquaculture/seafood samples. The most commonly serovars identified across studies included S. Weltevreden (12.0%), followed by S. Typhimurium (10.1%), S. Derby (6.4%), S. London (5.8%), S. Anatum (4.4%), S. Rissen (3.9%), S. Enteritidis (3.7%), S. Albany (3.3%) and S. 4,[5],12:i:- (3.0%). Over the same period, there was an increasing trend in the pooled AMR prevalence for quinolones (15.6% relative increase), 3rd-, 4th-, and 5th-generation cephalosporins (23.7%), penicillins (16.1%), tetracyclines (12.9%), sulfonamides (8.8%), amphenicol (17.8%), and multidrug resistance (11.4%) (all p ≤ 0.014). A broad range of AMR genes (ARGs) were detected in both human and animal populations. The observed prevalence and AMR trends in Vietnam underscore the need of adopting a One Health strategy encompassing surveillance systems, research initiatives, and awareness campaigns to effectively address the challenges posed by NTS.
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Affiliation(s)
- Nguyen Thi Nhung
- Oxford University Clinical Research Unit, Ho Chi Minh City, Viet Nam
| | - Doan Hoang Phu
- Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City, Viet Nam
- Doctoral Program in Health Sciences, College of Graduate Studies, Walailak University, Nakhon Si Thammarat, Thailand
| | | | - Pawin Padungtod
- Food and Agriculture Organization of the United Nations (FAO), Hanoi, Viet Nam
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Yang Q, Chen J, Dai J, He Y, Wei K, Gong M, Chen Q, Sheng H, Su L, Liu L, Chen J, Bai L, Cui S, Yang B. Total coliforms, microbial diversity and multiple characteristics of Salmonella in soil-irrigation water-fresh vegetable system in Shaanxi, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171657. [PMID: 38490413 DOI: 10.1016/j.scitotenv.2024.171657] [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: 12/25/2023] [Revised: 03/09/2024] [Accepted: 03/09/2024] [Indexed: 03/17/2024]
Abstract
Global occurrences of foodborne disease outbreaks have been documented, involving fresh agricultural produce contaminated by various pathogens. This contamination can occur at any point in the supply chain. However, studies on the prevalence of total coliforms, Salmonella and microbial diversity in vegetable and associated environments are limited. This study aimed to assess 1) the number of total coliforms (n = 299) and diversity of microbial communities (n = 52); 2) the prevalence, antibiotic susceptibility, genomic characteristics, and potential transmission relationships of Salmonella in soil-irrigation water-vegetable system (n = 506). Overall, 84.28 % samples were positive to total coliforms, with most frequently detected in soil (100 %), followed by irrigation water (79.26 %) and vegetables (62.00 %). A seasonal trend in coliform prevalence was observed, with significantly higher levels in summer (P < 0.05). Detection rates of Salmonella in soil, vegetable and irrigation water were 2.21 %, 4.74 % and 9.40 %. Fourteen serotypes and sequence types (STs) were respectively annotated in 56 Salmonella isolates, ST13 S. Agona (30.36 %, 17/56), ST469 S. Rissen (25.00 %, 14/56), and ST36 S. Typhimurium (12.50 %, 7/56) were dominant serotypes and STs. Thirty-one (55.36 %) isolates were multi-drug resistant, and the resistance was most frequently found to ampicillin (55.36 %, 31/56), followed by to sulfamethoxazole (51.79 %, 29/56) and tetracycline (50.00 %, 28/56). The genomic characteristics and antibiotic resistance patterns of Salmonella isolates from soil, vegetables, and irrigation water within a coherent geographical locale exhibited remarkable similarities, indicating Salmonella may be transmitted among these environments or have a common source of contamination. Microbial alpha diversity indices in soil were significantly higher (P < 0.05) than that in vegetable and irrigation water. The microbial phylum in irrigation water covered that in the vegetable, demonstrating a significant overlap in the microbial communities between the vegetables and the irrigation water.
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Affiliation(s)
- Qiuping Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jin Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jinghan Dai
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yuanjie He
- College of Life Science, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Kexin Wei
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Mengqing Gong
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qinquan Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huanjing Sheng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Li Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lisha Liu
- China National Center for Food Safety Risk Assessment, Beijing 100022, China
| | - Jia Chen
- College of Chemical Technology, Shijiazhuang University, Shijiazhuang 050035, China.
| | - Li Bai
- China National Center for Food Safety Risk Assessment, Beijing 100022, China.
| | - Shenghui Cui
- National Institutes for Food and Drug Control, Beijing 100050, China.
| | - Baowei Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Bellil Z, Meyer S, Tilloy V, Mairi A, De Champs C, Barraud O, Touati A. Prevalence and Genomic Investigation of Salmonella Isolates Associated with Watermelons and Their Environmental Reservoirs in Bejaia, Algeria. Foodborne Pathog Dis 2024. [PMID: 38502796 DOI: 10.1089/fpd.2023.0045] [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: 03/21/2024] Open
Abstract
This study was conducted in Bejaia, Algeria, to determine the presence of Salmonella in fresh watermelon (n = 105), soil (n = 23), and irrigation water samples (n = 17) collected from two different farms. After isolation, antimicrobial susceptibility testing, serotype determination, multilocus sequence typing, antimicrobial resistance genes detection, and whole genome sequencing were performed. Twenty watermelon samples (19%) were contaminated with Salmonella, but none were found in the soil or irrigation water. Among the 20 Salmonella isolates, 2 serovars were identified (Salmonella Liverpool and Salmonella Anatum), belonging to sequence types ST1959 and ST64, respectively. Ten Salmonella isolates showed significant resistance to nalidixic acid, ofloxacin, and ciprofloxacin but were susceptible to all other antibiotics. The coexistence of point mutations (parC:p.T57S) in Quinolone Resistance-Determining Regions and the qnrB19 gene may contribute to quinolone resistance. The study identified 164 virulence genes in the Salmonella isolates. Our study found Salmonella in fresh watermelon during the preharvest season in Bejaia, Algeria. Our study indicates a relatively high prevalence of Salmonella on watermelon samples before harvest. Although we cannot directly compare our results with previous studies, it is crucial to recognize that the absence of comprehensive comparative data underscores the need for further research and surveillance.
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Affiliation(s)
- Zahra Bellil
- Université de Bejaia, Laboratoire d'Ecologie Microbienne, FSNV, Bejaia, Algérie
| | - Sylvain Meyer
- Université de Limoges, INSERM, CHU Limoges, RESINFIT, U1092, Limoges, France
| | - Valentin Tilloy
- CNR Herpesvirus, UF 9481 Bioinformatique, CHU Limoges, Limoges, France
| | - Assia Mairi
- Université de Bejaia, Laboratoire d'Ecologie Microbienne, FSNV, Bejaia, Algérie
| | - Christophe De Champs
- INSERM UMR-S 1250 P3Cell, SFR CAP-Santé, Université de Reims-Champagne-Ardenne, Reims, France
- Laboratoire de Bactériologie-Virologie-Hygiène Hospitalière-Parasitologie-Mycologie, CHU Reims, Hôpital Robert Debré, Reims, France
| | - Olivier Barraud
- Université de Limoges, INSERM, CHU Limoges, RESINFIT, U1092, Limoges, France
| | - Abdelaziz Touati
- Université de Bejaia, Laboratoire d'Ecologie Microbienne, FSNV, Bejaia, Algérie
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Saechue B, Atwill ER, Jeamsripong S. Occurrence and molecular characteristics of antimicrobial resistance, virulence factors, and extended-spectrum β-lactamase (ESBL) producing Salmonella enterica and Escherichia coli isolated from the retail produce commodities in Bangkok, Thailand. Heliyon 2024; 10:e26811. [PMID: 38444485 PMCID: PMC10912461 DOI: 10.1016/j.heliyon.2024.e26811] [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: 07/13/2023] [Revised: 02/01/2024] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
The incidence of antimicrobial resistance (AMR) in the environment is often overlooked and leads to serious health threats under the One Health paradigm. Infection with extended-spectrum β-lactamase (ESBL) producing bacteria in humans and animals has been widely examined, with the mode of transmission routes such as food, water, and contact with a contaminated environment. The purpose of this study was to determine the occurrence and molecular characteristics of resistant Salmonella enterica (S. enterica) (n = 59) and Escherichia coli (E. coli) (n = 392) isolated from produce commodities collected from fresh markets and supermarkets in Bangkok, Thailand. In this study, the S. enterica isolates exhibited the highest prevalence of resistance to tetracycline (11.9%) and streptomycin (8.5%), while the E. coli isolates were predominantly resistant to tetracycline (22.5%), ampicillin (21.4%), and sulfamethoxazole (11.5%). Among isolates of S. enterica (6.8%) and E. coli (15.3%) were determined as multidrug resistant (MDR). The prevalence of ESBL-producing isolates was 5.1% and 1.0% in S. enterica and E. coli, respectively. A minority of S. enterica isolates, where a single isolate exclusively carried blaCTX-M-55 (n = 1), and another isolate harbored both blaCTX-M-55 and blaTEM-1 (n = 1); similarly, a minority of E. coli isolates contained blaCTX-M-55 (n = 2) and blaCTX-M-15 (n = 1). QnrS (11.9%) and blaTEM (20.2%) were the most common resistant genes found in S. enterica and E. coli, respectively. Nine isolates resistant to ciprofloxacin contained point mutations in gyrA and parC. In addition, the odds of resistance to tetracycline among isolates of S. enterica were positively associated with the co-occurrence of ampicillin resistance and the presence of tetB (P = 0.001), while the E. coli isolates were positively associated with ampicillin resistance, streptomycin resistance, and the presence of tetA (P < 0.0001) in this study. In summary, these findings demonstrate that fresh vegetables and fruits, such as cucumbers and tomatoes, can serve as an important source of foodborne AMR S. enterica and E. coli in the greater Bangkok area, especially given the popularity of these fresh commodities in Thai cuisine.
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Affiliation(s)
- Benjawan Saechue
- Department of Veterinary Public Health, Chulalongkorn University, Bangkok, Thailand
| | - Edward R. Atwill
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
| | - Saharuetai Jeamsripong
- Department of Veterinary Public Health, Chulalongkorn University, Bangkok, Thailand
- Research Unit in Microbial Food Safety and Antimicrobial resistance, Department of Veterinary Public Health, Chulalongkorn University, Bangkok, Thailand
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Peruzy MF, La Tela I, Carullo MR, Ioele S, Proroga YTR, Balestrieri A, Murru N. Occurrence and distribution of Salmonella serovars associated with human infection isolated from irrigation waters and food-producing animals in southern Italy: eleven-year monitoring (2011-2021). Ital J Food Saf 2023; 12:11538. [PMID: 38116371 PMCID: PMC10726394 DOI: 10.4081/ijfs.2023.11538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/03/2023] [Indexed: 12/21/2023] Open
Abstract
Salmonella is one of the main zoonotic agents causing foodborne diseases in Europe. The main reservoirs of the infection are represented by domestic and wild animals, and the infection occurs by direct contact or following the consumption of contaminated food or water. The study aimed to evaluate the presence of Salmonella spp. in food-producing animals and irrigation waters in southern Italy and the serovar distribution. From 2011 to 2021, a total of 473 samples from 6 different animal species (bovine, buffalo, goat, ovine, swine, poultry, and wild boars) and 313 irrigation water samples were collected and analyzed. The overall percentage of positive samples was 56.87% in organs, 50.85% in feces, and 20.45% in irrigation waters. By animal species, the most frequently detected serovar was Salmonella Typhimurium in bovine (17.39%), in buffalo (13.10%) and swine (28.21%), and S. Kentucky (24.78%) in poultry. The subspecies diarizonaeIIIb was frequently detected in goats (40.00%) and ovine (83.33%), while salamaeII (14.12%) and diarizonaeIIIb (11.76%) were frequently isolated in wild boars. In the irrigation water samples, the most frequently detected serovar was S. Napoli (25%). Results revealed that, although in Europe, control strategies aimed at preventing the spread of Salmonella have been implemented, the prevalence of this pathogen in food-producing animals and irrigation waters is high. Considering the risk to public health associated with the contamination of products or foods, more stringent control interventions are needed at primary production and along the food chain.
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Affiliation(s)
- Maria Francesca Peruzy
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II
| | - Immacolata La Tela
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | - Maria Rosaria Carullo
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | - Simona Ioele
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | | | - Anna Balestrieri
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | - Nicoletta Murru
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II
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De Hert E, Baïli S, Vanden Driessche M, Jansens H, Vandamme S, Jacquemyn Y, Vodolazkaia A, Mukovnikova M, Mattheus W, Matheeussen V. Genital Infection Caused by Salmonella enterica Serovar Hvittingfoss: A Case Report. Pathogens 2023; 12:1316. [PMID: 38003781 PMCID: PMC10674701 DOI: 10.3390/pathogens12111316] [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: 09/04/2023] [Revised: 10/19/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Nontyphoidal Salmonella serovars predominantly cause gastrointestinal infections. However, other clinical presentations, including urogenital infections, have been reported, although they are rather rare. CASE PRESENTATION This case is about a 33-year-old woman diagnosed with Salmonella enterica serovar Hvittingfoss (S. Hvittingfoss) bacteremia and endometritis six days post uterine aspiration in the context of a missed abortion. She had traveled to Indonesia two weeks prior to the positive blood and cervical culture. She never developed gastrointestinal symptoms but was found to carry S. Hvittingfoss in her stool sample. The patient was successfully treated with a seven-day course of iv ciprofloxacin. CONCLUSIONS S. Hvittingfoss is a rare serovar that has caused a few outbreaks of foodborne infections in Asia, the United States, and Australia. To the best of our knowledge, this is the first reported case of Salmonella urogenital infection caused by this serovar. Salmonella as a cause of urogenital infections is rare but not uncommon. Therefore, it should be considered in identifying members of the Enterobacterales among urogenital flora in cases of severe urogenital infections, especially when other cultures remain negative.
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Affiliation(s)
- Emilie De Hert
- Department of Microbiology, University Hospital Antwerp, 2650 Edegem, Belgium (V.M.)
| | - Sarah Baïli
- Department of Obstetrics and Gynecology, University Hospital Antwerp, 2650 Edegem, Belgium
| | | | - Hilde Jansens
- Department of Microbiology, University Hospital Antwerp, 2650 Edegem, Belgium (V.M.)
| | - Sarah Vandamme
- Department of Microbiology, University Hospital Antwerp, 2650 Edegem, Belgium (V.M.)
| | - Yves Jacquemyn
- Department of Obstetrics and Gynecology, University Hospital Antwerp, 2650 Edegem, Belgium
| | - Alexandra Vodolazkaia
- National Reference Centre for Salmonella and Shigella Species, Sciensano, 1050 Brussels, Belgium (W.M.)
| | - Marina Mukovnikova
- National Reference Centre for Salmonella and Shigella Species, Sciensano, 1050 Brussels, Belgium (W.M.)
| | - Wesley Mattheus
- National Reference Centre for Salmonella and Shigella Species, Sciensano, 1050 Brussels, Belgium (W.M.)
| | - Veerle Matheeussen
- Department of Microbiology, University Hospital Antwerp, 2650 Edegem, Belgium (V.M.)
- Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, 2610 Wilrijk, Belgium
- Laboratory of Medical Biochemistry, University of Antwerp, 2610 Wilrijk, Belgium
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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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Phu DH, Wongtawan T, Truong DB, Van Cuong N, Carrique-Mas J, Thomrongsuwannakij T. A systematic review and meta-analysis of integrated studies on antimicrobial resistance in Vietnam, with a focus on Enterobacteriaceae, from a One Health perspective. One Health 2022; 15:100465. [PMID: 36561710 PMCID: PMC9767812 DOI: 10.1016/j.onehlt.2022.100465] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/21/2022] Open
Abstract
Vietnam is a low- and middle-income country (LMIC), a primary food producer, and an antimicrobial resistance (AMR) hotspot. AMR is recognized as a One Health challenge since it may transfer between humans, animals and the environment. This study aimed to apply systematic review and meta-analysis to investigate the phenotypic profiles and correlations of antimicrobial-resistant Enterobacteriaceae across three compartments: humans, animals and the environment in Vietnam. A total of 89 articles found in PubMed, Science Direct, and Google Scholar databases were retrieved for qualitative synthesis. E. coli and non-typhoidal Salmonella (NTS) were the most common bacterial species in studies of all compartments (60/89 studies). Among antimicrobials classified as critically important, the resistance levels were observed to be highest to quinolones, 3rd generation of cephalosporins, penicillins, and aminoglycosides. Of 89 studies, 55 articles reported the resistance prevalence of E. coli and NTS in healthy humans, animals and the environment against ciprofloxacin, ceftazidime, ampicillin, gentamicin, sulfamethoxazole-trimethoprim, chloramphenicol was used for meta-analysis. The pooled prevalence was found highest in E. coli against ampicillin 84.0% (95% CI 73.0-91.0%) and sulfamethoxazole-trimethoprim 66.0% (95% CI 56.0-75.0%) while in NTS they were 34.0% (95% CI 24.0-46.0%), 33.0% (95% CI 25.0-42.0%), respectively. There were no significant differences in the pooled prevalence of E. coli and NTS to these antimicrobials across healthy humans, animals and the environment, except for ceftazidime-resistant E. coli (χ2 = 8.29, p = 0.02), chloramphenicol-resistant E.coli (χ2 = 9.65, p < 0.01) and chloramphenicol-resistant NTS (χ2 = 7.51, p = 0.02). Findings from the multiple meta-regression models indicated that the AMR levels in E. coli (β = 1.887, p < 0.001) and the North (β = 0.798, p = 0.047) had a higher fraction of AMR than NTS and other regions of Vietnam. The outcomes of this study play an important role as the baseline information for further investigation and follow-up intervention strategies to tackle AMR in Vietnam, and more generally, can be adapted to other LMICs.
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Affiliation(s)
- Doan Hoang Phu
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand,College of Graduate Studies, Walailak University, Nakhon Si Thammarat 80160, Thailand,Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City 70000, Viet Nam
| | - Tuempong Wongtawan
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand,Centre for One Health, Walailak University, Nakhon Si Thammarat 80160, Thailand,Centre of Excellence Research for Melioidosis and other Microorganism, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Dinh Bao Truong
- Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City 70000, Viet Nam
| | - Nguyen Van Cuong
- Oxford University Clinical Research Unit, Ho Chi Minh City 70000, Viet Nam,Ausvet PTY LTD, Bruce ACT 2617, Canberra, Australia
| | - Juan Carrique-Mas
- Food and Agriculture Organization of the United Nations, Ha Noi 10000, Viet Nam
| | - Thotsapol Thomrongsuwannakij
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand,Centre for One Health, Walailak University, Nakhon Si Thammarat 80160, Thailand,Corresponding author at: Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand.
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Ha TM, Hansson H, Abu Hatab A, Darr D, Shakur S. A risk-benefit approach to the purchase and consumption of conventional vegetables in wet markets. Appetite 2022; 176:106142. [PMID: 35724748 DOI: 10.1016/j.appet.2022.106142] [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: 01/24/2022] [Revised: 06/11/2022] [Accepted: 06/14/2022] [Indexed: 11/30/2022]
Abstract
The purchase and consumption of conventional vegetables from wet markets in Vietnam are like two sides of a coin: perceived food safety risks and perceived benefits. Drawing on a sample of 463 Hanoi consumers, this study employed a risk-benefit approach to analyze the purchase intention and consumption frequency of conventional vegetables at traditional markets. A confirmatory factor analysis examined the links among risk perception, perceived utilitarian benefits, perceived hedonic benefits, and trust. Finally, generalized ordered and Poisson regressions were performed on these psychological constructs and their identified links. We found that perceived hedonic benefits, trust in wet market actors, and the presence of homegrown vegetables determined purchase intention and consumption frequency. The joint influence of perceived hedonic and utilitarian benefits on purchase intention implies that consumers considered both benefit dimensions when thinking of their future purchase of conventional vegetables. The significant interaction between perceived risk and perceived hedonic benefits on consumption frequency supports the risk-benefit approach. The effect of perceived hedonic benefits and income on purchase intention and consumption frequency are evidence of wet markets' social and cultural relevance.
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Affiliation(s)
- Thanh Mai Ha
- Department of Economics, Swedish University of Agricultural Sciences, Box 7013 750 07, Uppsala, Sweden; Faculty of Economics and Rural Development, Vietnam National University of Agriculture, Hanoi, Viet Nam.
| | - Helena Hansson
- Department of Economics, Swedish University of Agricultural Sciences, Box 7013 750 07, Uppsala, Sweden
| | - Assem Abu Hatab
- Department of Economics, Swedish University of Agricultural Sciences, Box 7013 750 07, Uppsala, Sweden; Nordic Africa Institute, PO Box 1703, SE-751, Uppsala, Sweden
| | - Dietrich Darr
- Rhine-Waal University of Applied Sciences, Marie-Curie-Straße 1, 47533, Kleve, Germany
| | - Shamim Shakur
- School of Economics and Finance, Massey University, Palmerston North, 4442, New Zealand
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11
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Wang Z, Zhang Y, Xu H, Chu C, Wang J, Jiao X, Li Q. Whole-genome sequencing analysis reveals pig as the main reservoir for persistent evolution of Salmonella enterica serovar Rissen causing human salmonellosis. Food Res Int 2022; 154:111007. [DOI: 10.1016/j.foodres.2022.111007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 01/15/2022] [Accepted: 02/10/2022] [Indexed: 11/30/2022]
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12
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Srisamran J, Atwill ER, Chuanchuen R, Jeamsripong S. Detection and analysis of indicator and pathogenic bacteria in conventional and organic fruits and vegetables sold in retail markets. FOOD QUALITY AND SAFETY 2022. [DOI: 10.1093/fqsafe/fyac013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Produce-associated foodborne outbreaks have been increasingly implicated as the significant proportion of the annual incidence of foodborne illness worldwide. The objectives of this study were to determine the concentrations of indicator bacteria and the presence of Salmonella spp., Shigella spp., Escherichia coli O157:H7, and Listeria monocytogenes, and to characterize predictors associated with Salmonella contamination of retail produce from fresh markets and supermarkets in Bangkok, Thailand. A total of 503 samples were collected during May 2018 and February 2019, comprised of sweet basil, spring onion, coriander, cabbage, lettuce, cucumber, and tomato, with n = 167 conventional items from fresh open-air markets, n = 168 conventional items from supermarkets, and n = 168 organic items from supermarkets. The overall prevalence in these 503 items for fecal coliforms and E. coli were 84.3% and 71.4%, with mean concentrations (± S.D.) of fecal coliforms and E. coli being 3.0×105 (± 1.3×106) and 1.8×105 (± 1.1×105) MPN/g, respectively. The concentration of fecal coliforms and E. coli was higher in produce sampled from fresh open-air markets than produce from supermarkets; similarly, these bacterial indicators were higher from produce grown under conventional methods than certified organic produce. The prevalence of Salmonella and Shigella was 4.8% and 0.4%, respectively, but no positives were found for E. coli O157:H7 and L. monocytogenes. The predominant Salmonella serovar were Stanley (30.8%). Based on logistic regression, the odds of Salmonella contamination were significantly (p < 0.05) higher during the rainy versus dry season, produce grown using conventional versus organic agriculture, sweet basil versus other commodities, and using ice tank versus dry refrigeration for overnight retail storage. This study indicated that fruits and vegetables are important sources of microbial contamination. Hence, monitoring and surveillance of pathogen contamination to produce is needed to strengthen food safety.
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Affiliation(s)
- Jutanat Srisamran
- Research unit in microbial food safety and antimicrobial resistance, department of veterinary public health, faculty of veterinary science, Bangkok, Thailand
| | - Edward R Atwill
- Western center for food safety, university of California, Davis, Davis, California, USA
| | - Rungtip Chuanchuen
- Research unit in microbial food safety and antimicrobial resistance, department of veterinary public health, faculty of veterinary science, Bangkok, Thailand
| | - Saharuetai Jeamsripong
- Research unit in microbial food safety and antimicrobial resistance, department of veterinary public health, faculty of veterinary science, Bangkok, Thailand
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13
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Antimicrobial Susceptibility and Frequency of bla and qnr Genes in Salmonella enterica Isolated from Slaughtered Pigs. Antibiotics (Basel) 2021; 10:antibiotics10121442. [PMID: 34943653 PMCID: PMC8698178 DOI: 10.3390/antibiotics10121442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 12/03/2022] Open
Abstract
Salmonella enterica is known as one of the most common foodborne pathogens worldwide. While salmonellosis is usually self-limiting, severe infections may require antimicrobial therapy. However, increasing resistance of Salmonella to antimicrobials, particularly fluoroquinolones and cephalosporins, is of utmost concern. The present study aimed to investigate the antimicrobial susceptibility of S. enterica isolated from pork, the major product in Philippine livestock production. Our results show that both the qnrS and the blaTEM antimicrobial resistance genes were present in 61.2% of the isolates. While qnrA (12.9%) and qnrB (39.3%) were found less frequently, co-carriage of blaTEM and one to three qnr subtypes was observed in 45.5% of the isolates. Co-carriage of blaTEM and blaCTX-M was also observed in 3.9% of the isolates. Antimicrobial susceptibility testing revealed that the majority of isolates were non-susceptible to ampicillin and trimethoprim/sulfamethoxazole, and 13.5% of the isolates were multidrug-resistant (MDR). MDR isolates belonged to either O:3,10, O:4, or an unidentified serogroup. High numbers of S. enterica carrying antimicrobial resistance genes (ARG), specifically the presence of isolates co-carrying resistance to both β-lactams and fluoroquinolones, raise a concern on antimicrobial use in the Philippine hog industry and on possible transmission of ARG to other bacteria.
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