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Chen P, Cheng F, Huang Q, Dong Y, Sun P, Peng Q. Distribution and Antimicrobial Resistance Characterization of Listeria monocytogenes in Poultry Meat in Jiading District, Shanghai. J Food Prot 2024; 87:100234. [PMID: 38295987 DOI: 10.1016/j.jfp.2024.100234] [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: 11/19/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/13/2024]
Abstract
To investigate the distribution, contamination status, and antibiotic resistance of Listeria monocytogenes in four types of retail poultry meat, including chicken, duck, goose, and pigeon, sold in Jiading District, Shanghai, a total of 236 retail poultry meat samples were collected, and L. monocytogenes isolates were obtained for identification and antibiotic susceptibility testing against 14 common antibiotics. Forty-one L. monocytogenes isolates were detected from the 236 retail poultry meat samples, with detection rates of 24.47%, 19.44%, 14.75%, and 4.44% in chicken, goose, duck, and pigeon meat, respectively. Among refrigerated, frozen, and room temperature samples, refrigerated poultry had the highest detection rate at 25.40%, while frozen poultry had the lowest at 13.33%. The detection rate of L. monocytogenes in chicken meat differed significantly between the storage temperatures, while no significant differences were found for other poultry types. No significant differences in detection rates were observed between different retail locations or packaging methods. Isolates exhibited complete resistance to cefoxitin (FOX) and increasing resistance over time to tetracycline (TET) and clindamycin (CLI), while low levels of resistance were found for penicillin (PEN), oxacillin (OXA), and erythromycin (ERY). Resistance to ERY and TET suggests the potential for multidrug resistance. Significant differences in antibiotic resistance profiles were observed among L. monocytogenes from the various poultry types. In summary, contamination status and antibiotic resistance profiles differed among retail chicken, duck, goose, and pigeon meat sold and the resistance rate of strains continues to increase in Jiading District, Shanghai. Targeted control measures should be implemented to reduce the emergence of resistant strains, as retail conditions had minimal impact on L. monocytogenes prevalence in poultry meat.
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Affiliation(s)
- Peichao Chen
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
| | - Fangzhou Cheng
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
| | - Qiang Huang
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
| | - Yuting Dong
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
| | - Pan Sun
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
| | - Qian Peng
- Shanghai Jiading District Center for Disease Control and Prevention, Shanghai 201800, China.
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Erol Z, Taşçı F. Investigation of the seasonal prevalence, phenotypic, and genotypic characteristics of Listeria monocytogenes in slaughterhouses in Burdur. J Appl Microbiol 2024; 135:lxae056. [PMID: 38460954 DOI: 10.1093/jambio/lxae056] [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: 08/03/2023] [Revised: 02/17/2024] [Accepted: 03/04/2024] [Indexed: 03/11/2024]
Abstract
AIM This study examined Listeria monocytogenes isolates from two slaughterhouses in Burdur province, southern Turkey, over four seasons for antibiotic resistance, serogroups, virulence genes, in vitro biofilm forming capacity, and genetic relatedness. METHODS AND RESULTS Carcass (540) and environment-equipment surface (180) samples were collected from two slaughterhouses (S1, S2) for 1 year (4 samplings). Of the 89 (12.4%) positive isolates, 48 (53.9%) were from animal carcasses, and 41 (46.1%) from the environment-equipment surfaces. Autumn was the peak season for Listeria monocytogenes compared to summer and spring (P < 0.05). In addition, the most common serotype between seasons was 1/2c. Except for plcA and luxS genes, all isolates (100%) harbored inlA, inlC, inlJ, hlyA, actA, iap, flaA genes. Listeria monocytogenes isolates were identified as belonging to IIc (1/2c-3c; 68.5%), IVb (4b-4d-4e; 29.2%), and IIa (1/2a-3a; 2.2%) in the screening using multiplex polymerase chain reaction-based serogrouping test. A total of 65 pulsotypes and 13 clusters with at least 80% homology were determined by using pulsed field gel electrophoresis on samples that had been digested with ApaI. Thirty-four (38.2%) of the isolates were not resistant to any of the 14 antibiotics tested. The antibiotic to which the isolates showed the most resistance was rifampicin (44.9%). Serotype 1/2c was the most resistant serotype to antibiotics. Despite having biofilm-associated genes (inlA, inlB, actA, flaA, and luxS), a minority (11%) of isolates formed weak biofilm. CONCLUSION This study revealed seasonal changes prevalence of Listeria monocytogenes, particularly higher in autumn, posing a greater risk of meat contamination. Notably, Serotype 1/2c showed significant prevalence and antibiotic resistance. Indistinguishable isolates indicated cross-contamination, underscoring the importance of prioritized training for slaughterhouse personnel in sanitation and hygiene protocols.
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Affiliation(s)
- Zeki Erol
- Veterinary Faculty, Department of Food Hygiene and Technology, Burdur Mehmet Akif Ersoy University, 15030 Burdur, Turkey
- Veterinary Faculty, Department of Food Hygiene and Technology, Necmettin Erbakan University, 42310 Ereğli/Konya, Turkey
| | - Fulya Taşçı
- Veterinary Faculty, Department of Food Hygiene and Technology, Burdur Mehmet Akif Ersoy University, 15030 Burdur, Turkey
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3
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Dincer E. Detection of Listeria Species by Conventional Culture-Dependent and Alternative Rapid Detection Methods in Retail Ready-to-Eat Foods in Turkey. J Microbiol Biotechnol 2024; 34:349-357. [PMID: 38073362 PMCID: PMC10940737 DOI: 10.4014/jmb.2308.08043] [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: 08/24/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 03/01/2024]
Abstract
Foodborne pathogens, like Listeria monocytogenes, continue to inflict substantial financial losses on the food industry. Various methods for detecting Listeria in food have been developed and numerous studies have been conducted to compare the different methods. But, in recent years, new Listeria species have been identified, and currently the genus comprises 26 species. Therefore, it would be a more accurate approach to re-evaluate existing detection methods by considering new species. The present investigation involved the analysis of 42 ready-to-eat (RTE) foods, encompassing a variety of food categories, such as mezes, salads, dairy products, and meat products, with the aim of ascertaining the presence of Listeria. Among the traditional culture-dependent reference methods, the ISO 11290 method was preferred. The process of strain identification was conducted with the API Identification System. Furthermore, to ascertain the existence of L. monocytogenes and Listeria spp., the samples underwent additional analysis employing the VIDAS Immunoassay System, ELISA, and RT-PCR methodologies. Thus, four alternative approaches were employed in this study to compare not only the different methods used to determine Listeria while taking into account the newly identified Listeria species, but also to assess the compliance of retail RTE food items with microbiological criteria pertaining to the genus Listeria. Based on the conducted analyses, L. monocytogenes was conclusively determined to be present in one sample. The presence of Listeria spp. was detected in 30.9% of the samples, specifically in Turkish cig kofte, sliced salami, and salads.
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Affiliation(s)
- Emine Dincer
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Sivas Cumhuriyet University, 58140 Sivas, Turkey
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Ravindhiran R, Sivarajan K, Sekar JN, Murugesan R, Dhandapani K. Listeria monocytogenes an Emerging Pathogen: a Comprehensive Overview on Listeriosis, Virulence Determinants, Detection, and Anti-Listerial Interventions. MICROBIAL ECOLOGY 2023; 86:2231-2251. [PMID: 37479828 DOI: 10.1007/s00248-023-02269-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
Listeria monocytogenes, the third most deleterious zoonotic pathogen, is a major causative agent of animal and human listeriosis, an infection related to the consumption of contaminated food products. Even though, this pathogen has been responsible for the outbreaks of foodborne infections in the early 1980s, the major outbreaks have been reported during the past two decades. Listeriosis infection in the host is a rare but life-threatening disease with major public health and economic implications. Extensive reports on listeriosis outbreaks are associated with milk and milk products, meat and meat products, and fresh produce. This bacterium can adapt to any environmental and stress conditions, making it a prime causative agent for major foodborne diseases. The pathogen could survive an antibiotic treatment and persist in the host cell, thereby escaping the standard diagnostic practices. The current review strives to provide concise information on the epidemiology, serotypes, and pathogenesis of the L. monocytogenes to decipher the knowledge on the endurance of the pathogen inside the host and food products as a vehicle for Listeria contaminations. In addition, various detection methods for Listeria species from food samples and frontline regimens of L. monocytogenes treatment have also been discussed.
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Affiliation(s)
- Ramya Ravindhiran
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, 641043, India
| | - Karthiga Sivarajan
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, 641043, India
| | - Jothi Nayaki Sekar
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, 641043, India
| | - Rajeswari Murugesan
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, 641043, India
| | - Kavitha Dhandapani
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, 641043, India.
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Lachtara B, Wieczorek K, Osek J. Antimicrobial resistance of Listeria monocytogenes serogroups IIa and IVb from food and food-production environments in Poland. J Vet Res 2023; 67:373-379. [PMID: 37786847 PMCID: PMC10541657 DOI: 10.2478/jvetres-2023-0050] [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: 05/09/2023] [Accepted: 08/18/2023] [Indexed: 10/04/2023] Open
Abstract
Introduction Listeria monocytogenes is an important foodborne pathogen responsible for human listeriosis, which is a disease with high hospitalisation and mortality rates. The bacteria are usually susceptible to most antibacterial substances, but resistance to some of them has been recently observed. The present study introduces the evidence on the emergence of antibiotic resistance among L. monocytogenes strains isolated from food and food-production environments in Poland. Material and Methods A total of 283 L. monocytogenes isolates classified into serogroups IIa and IVb which had been recovered from food and food production environments were tested with 17 antimicrobials. These included those that are recommended for treatment of severe listeriosis cases in humans. A multiplex PCR was used to identify serogroups, and a microbroth dilution method was applied for the determination of antibiotic resistance among the isolates tested. Results Only 34 (12.0%) strains were susceptible to all the antimicrobials used in the study. The remaining 249 (88.0%) strains displayed different instances of resistance to the antimicrobials tested, from insusceptibility to one (112 strains; 39.6%) to resistance to four antibacterial substances (6 strains; 2.1%). Among them, there were 38 strains (13.4%) with multiresistance patterns. Conclusion Polish food and its processing environments may be a potential source of antimicrobial-resistant L. monocytogenes, which may pose a potential health risk to consumers in the country.
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Affiliation(s)
- Beata Lachtara
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, 24-100Puławy, Poland
| | - Kinga Wieczorek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, 24-100Puławy, Poland
| | - Jacek Osek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, 24-100Puławy, Poland
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Tayeb BA, Mohamed-Sharif YH, Choli FR, Haji SS, Ibrahim MM, Haji SK, Rasheed MJ, Mustafa NA. Antimicrobial Susceptibility Profile of Listeria monocytogenes Isolated from Meat Products: A Systematic Review and Meta-Analysis. Foodborne Pathog Dis 2023; 20:315-333. [PMID: 37389828 DOI: 10.1089/fpd.2023.0004] [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] [Indexed: 07/01/2023] Open
Abstract
The objective of this study was to conduct a systematic review to comprehensively understand antimicrobial resistance (AMR) in Listeria monocytogenes (LM) isolated from meat and meat products. The study was performed following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Published articles from 2000 to 2022 were collected from six widely used online databases, including AGRICOLA, PubMed, Web of Science (WoS), Scopus, Cochrane Library, and CINAHL-EBSCO. Prevalence rates and AMR of pathogen isolates were analyzed using MedCalc software, including the I2 statistic and Cochrane Q test for heterogeneity. Sensitivity analysis, subgroup analysis, and meta-regression were conducted to analyze potential sources of heterogeneity at a 95% significance level. The distribution and prevalence of multidrug resistance (MDR) were examined using a random-effect model. The pooled frequency of bacterial MDR was 22.97% (95% confidence interval [CI] = 14.95-32.13). The studies exhibited high heterogeneity (I2 = 94.82%, 95% CI = 93.74-95.71, p < 0.0001). Furthermore, the most prevalent antibiotics resistance found in the majority of included studies were tetracycline, clindamycin, penicillin, ampicillin, and oxacillin (I2 = 86.66%, 95% CI = 73.20-93.36, p < 0.0001). This meta-analysis provides a comprehensive understanding of AMR in LM isolates, and the results indicate that none of the variable factors, including sampling location, sampling size, or methodology, significantly influenced the outcome of LM isolates resistant to multidrug.
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Affiliation(s)
- Bizhar Ahmed Tayeb
- Institute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Szeged, Hungary
- Department of Laboratory, Directorate of Veterinary in Duhok, Duhok, Iraq
| | - Yousif Hamed Mohamed-Sharif
- Department of Food Microbiology, Ibrahim Khlail-Habur International Border, New-Standard Company, Zakho, Iraq
| | - Farhad Ramadhan Choli
- Food Safety and Animal Health Department, Veterinary Directorate in Duhok, Duhok, Iraq
| | - Shamal Subhi Haji
- Department of Food Microbiology, Ibrahim Khlail-Habur International Border, New-Standard Company, Zakho, Iraq
| | - Mohammed Mahmood Ibrahim
- Food Industry Department, Standardization and Quality Control Authority, Directorate of Quality Control, Zakho, Iraq
| | - Shana Khalid Haji
- Department of Food Microbiology, Ibrahim Khlail-Habur International Border, New-Standard Company, Zakho, Iraq
| | - Mohammed Jomaa Rasheed
- Food Industry Department, Standardization and Quality Control Authority, Directorate of Quality Control, Zakho, Iraq
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Smigic N, Ozilgen S, Gómez-López VM, Osés SM, Miloradovic Z, Aleksic B, Miocinovic J, Smole Možina S, Kunčič A, Guiné R, Gonçalves JC, Trafialek J, Czarniecka-Skubina E, Goel G, Blazic M, Herljevic D, Nikolić A, Mujčinović A, Djekic I. Consumer attitudes and perceptions towards chilled ready-to-eat foods: a multi-national study. J Verbrauch Lebensm 2023; 18:133-146. [PMID: 37265593 PMCID: PMC9994415 DOI: 10.1007/s00003-023-01424-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/26/2022] [Accepted: 02/13/2023] [Indexed: 03/10/2023]
Abstract
Understanding consumers' behavior and their handling of high-risk foods at home is essential for reducing the number of foodborne illnesses. This study shows the results of a cross-national analysis of consumers' perception from nine countries, and the identification of customers' clusters and its characteristics in order to understand customers' behavior, and to build safe chilled ready-to-eat (RTE) foods prevention strategies. The cluster analysis resulted in two clusters: (1) "Precautious consumers" characterized by the orientation towards pre-packed RTE foods, with consumers mainly coming from Bosnia and Herzegovina, India, Poland, Portugal, Spain, and Turkey. Their attitudes and self-reported practices may be categorized as less risky in terms of food-borne illnesses connected with the consumption of RTE foods; (2) "Unconcerned consumers" preferred cutting and slicing RTE foods freshly at the point of purchase, usually sold at the delicatessen department in a supermarket or at open markets. Those consumers mostly came from Croatia, Serbia and Slovenia and their attitudes and self-reported practices were riskier. These results allow a better understating of what characterizes consumers of RTE foods in different countries.
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Affiliation(s)
- Nada Smigic
- Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
| | - Sibel Ozilgen
- Faculty of Fine Arts, Yeditepe University, Istanbul, Turkey
| | - Vicente M. Gómez-López
- Green and Innovative Technologies for Food, Environment and Bioengineering Research Group (FEnBeT), Universidad Católica de Murcia (UCAM), Murcia, Spain
| | - Sandra María Osés
- Department of Biotechnology and Food Science, Universidad de Burgos, Burgos, Spain
| | | | - Biljana Aleksic
- Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
| | | | | | - Ajda Kunčič
- Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Raquel Guiné
- CERNAS-IPV Research Centre, Polytechnic Institute of Viseu, Viseu, Portugal
| | - João Carlos Gonçalves
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Joanna Trafialek
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Ewa Czarniecka-Skubina
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Gunjan Goel
- Department of Microbiology, Central University of Haryana, Mahendergarh, India
| | | | - Dora Herljevic
- Karlovac University of Applied Sciences, Karlovac, Croatia
| | - Aleksandra Nikolić
- Faculty of Agriculture and Food Sciences, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Alen Mujčinović
- Faculty of Agriculture and Food Sciences, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Ilija Djekic
- Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
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Şentürk E, Buzrul S, Şanlıbaba P. Prevalence of Listeria monocytogenes in ready-to-eat foods, and growth boundary modeling of the selected strains in broth as a function of temperature, salt and nisin. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2130942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
Affiliation(s)
- Esra Şentürk
- Department of Food Engineering, Faculty of Engineering, Ankara University, Turkey
| | - Sencer Buzrul
- Department of Food Engineering, Faculty of Engineering and Architecture, Konya Food and Agriculture University, Konya, Turkey
| | - Pınar Şanlıbaba
- Department of Food Engineering, Faculty of Engineering, Ankara University, Turkey
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9
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Baran A, Adigüzel MC, Aydin H. Microbiological quality of ready–to–eat vegetables salads served at meat restaurants under the COVID-19 in Turkey. REVISTA CIENTÍFICA DE LA FACULTAD DE CIENCIAS VETERINARIAS 2022. [DOI: 10.52973/rcfcv-e32171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In Turkish cuisine, ready–to–eat vegetable salads (REVS) served with pide/lahmacun, kebab types, and tantuni from animal source in meat restaurants were evaluated since they have the potential to carry risks in terms of Public Health. The microbiological properties of REVS were investigated using agar plate method. Antimicrobial resistance of foodborne pathogens including Escherichia coli and Staphylococcus aureus was tested using Kirby–Bauer disc diffusion method. Moreover, the presence of important enteric viruses was detected by Polymerase Chain Reaction (PCR). The number of total aerobic bacteria, coliform bacteria, yeast and molds and, Staphylococcus and Micrococcus spp. ranged from less than 1 to 6.40, 1 to 6.26, less than 1–5.82 and less than 1–5.66 log10 colony forming units·grams-1 (CFU·g–1) in REVS samples, respectively. None of the REVS tested in this study contained Salmonella spp., whereas E. coli and S. aureus were isolated in 38.1% (16/42) and 2.4% (1/42), respectively. S. aureus was resistant to gentamicin, kanamycin, aztreonam, and ciprofloxacin in the disc diffusion assay, however, it was not harboring the mecA gene. E. coli strains (n=16) were resistant (100%) to aminoglycoside antibiotics and 35.7% (6/16) of the isolates were extended spectrum beta lactamase (ESBL) producing. blaTEM and blaCTXM8/25 were detected in two isolates, whereas one isolate carried blaCTXM–1 and blaTEM together by PCR. Of the REVS, two were evaluated as positive for rotavirus (4.8%), six for hepatitis A (14%), and hepatitis E virus (14%). These results indicate the high microorganism load, presence of ESBL E. coli, and viral enteric pathogens in REVS, hence it is important to perform routine hygiene practices.
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Affiliation(s)
- Alper Baran
- Atatürk University, Vocational School of Technical Sciences, Department of Food Quality Control and Analysis. Erzurum, Turkey
| | - Mehmet Cemal Adigüzel
- Atatürk University, Faculty of Veterinary Medicine, Department of Microbiology. Erzurum, Turkey
| | - Hakan Aydin
- Atatürk University, Faculty of Veterinary Medicine, Department of Virology. Erzurum, Turkey
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Antibacterial efficacies and time-kill kinetics of indigenous Ghanaian spice extracts against Listeria monocytogenes and some other food-borne pathogenic bacteria. Microbiol Res 2022; 258:126980. [DOI: 10.1016/j.micres.2022.126980] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/29/2021] [Accepted: 02/05/2022] [Indexed: 12/21/2022]
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Parra-Flores J, Holý O, Bustamante F, Lepuschitz S, Pietzka A, Contreras-Fernández A, Castillo C, Ovalle C, Alarcón-Lavín MP, Cruz-Córdova A, Xicohtencatl-Cortes J, Mancilla-Rojano J, Troncoso M, Figueroa G, Ruppitsch W. Virulence and Antibiotic Resistance Genes in Listeria monocytogenes Strains Isolated From Ready-to-Eat Foods in Chile. Front Microbiol 2022; 12:796040. [PMID: 35299835 PMCID: PMC8921925 DOI: 10.3389/fmicb.2021.796040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/13/2021] [Indexed: 01/30/2023] Open
Abstract
Listeria monocytogenes is causing listeriosis, a rare but severe foodborne infection. Listeriosis affects pregnant women, newborns, older adults, and immunocompromised individuals. Ready-to-eat (RTE) foods are the most common sources of transmission of the pathogen This study explored the virulence factors and antibiotic resistance in L. monocytogenes strains isolated from ready-to-eat (RTE) foods through in vitro and in silico testing by whole-genome sequencing (WGS). The overall positivity of L. monocytogenes in RTE food samples was 3.1% and 14 strains were isolated. L. monocytogenes ST8, ST2763, ST1, ST3, ST5, ST7, ST9, ST14, ST193, and ST451 sequence types were identified by average nucleotide identity, ribosomal multilocus sequence typing (rMLST), and core genome MLST. Seven isolates had serotype 1/2a, five 1/2b, one 4b, and one 1/2c. Three strains exhibited in vitro resistance to ampicillin and 100% of the strains carried the fosX, lin, norB, mprF, tetA, and tetC resistance genes. In addition, the arsBC, bcrBC, and clpL genes were detected, which conferred resistance to stress and disinfectants. All strains harbored hlyA, prfA, and inlA genes almost thirty-two the showed the bsh, clpCEP, hly, hpt, iap/cwhA, inlA, inlB, ipeA, lspA, mpl, plcA, pclB, oat, pdgA, and prfA genes. One isolate exhibited a type 11 premature stop codon (PMSC) in the inlA gene and another isolate a new mutation (deletion of A in position 819). The Inc18(rep25), Inc18(rep26), and N1011A plasmids and MGEs were found in nine isolates. Ten isolates showed CAS-Type II-B systems; in addition, Anti-CRISPR AcrIIA1 and AcrIIA3 phage-associated systems were detected in three genomes. These virulence and antibiotic resistance traits in the strains isolated in the RTE foods indicate a potential public health risk for consumers.
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Affiliation(s)
- Julio Parra-Flores
- Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán, Chile
| | - Ondrej Holý
- Science and Research Centre, Faculty of Health Sciences, Palacký University Olomouc, Olomouc, Czechia
| | - Fernanda Bustamante
- Environmental and Public Health Laboratory, Regional Secretariat of the Ministry of Health in Maule, Talca, Chile
| | - Sarah Lepuschitz
- Austrian Agency for Health and Food Safety, Institute for Medical Microbiology and Hygiene, Vienna, Austria
| | - Ariane Pietzka
- Austrian Agency for Health and Food Safety, Institute for Medical Microbiology and Hygiene, Vienna, Austria
| | | | - Claudia Castillo
- School of Nutrition and Dietetics, Universidad del Bío-Bío, Chillán, Chile
| | - Catalina Ovalle
- School of Nutrition and Dietetics, Universidad del Bío-Bío, Chillán, Chile
| | | | - Ariadnna Cruz-Córdova
- Intestinal Bacteriology Research Laboratory, Hospital Infantil de México Federico Gómez, Mexico City, Mexico
| | - Juan Xicohtencatl-Cortes
- Intestinal Bacteriology Research Laboratory, Hospital Infantil de México Federico Gómez, Mexico City, Mexico
| | - Jetsi Mancilla-Rojano
- Intestinal Bacteriology Research Laboratory, Hospital Infantil de México Federico Gómez, Mexico City, Mexico.,Faculty of Medicine, Biological Sciences Graduate Program, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Miriam Troncoso
- Microbiology and Probiotics Laboratory, Institute of Nutrition and Food Technology, Universidad de Chile, Santiago, Chile
| | - Guillermo Figueroa
- Microbiology and Probiotics Laboratory, Institute of Nutrition and Food Technology, Universidad de Chile, Santiago, Chile
| | - Werner Ruppitsch
- Austrian Agency for Health and Food Safety, Institute for Medical Microbiology and Hygiene, Vienna, Austria
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Ermolaeva SA, Karpova T, Andriyanov P, Zhurilov P, Voronina OL, Ryzhova N, Aksenova E, Kunda M, Liskova E, Gruzdeva O, Klimova E, Posukhovsky E, Karetkina G, Melkumyan A, Orlova O, Burmistrova E, Pronina T, Tartakovsky I. Distribution of antimicrobial resistance among clinical and food Listeria monocytogenes isolated in Moscow in 2019–2021. CLINICAL MICROBIOLOGY AND ANTIMICROBIAL CHEMOTHERAPY 2022. [DOI: 10.36488/cmac.2022.2.156-164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Objective.
To determine the current state-of-art of acquired resistance to antimicrobial drugs among L. monocytogenes strains associated with listeriosis in humans and food contamination in Moscow.
Materials and Methods.
We used 39 L. monocytogenes strains isolated in Moscow in 2019–2021 from clinical material (n = 24) and food (n = 15). Resistance to 12 antibiotics of the first and second lines of defense was studied using disk-diffusion method. The parameters recommended for L. monocytogenes were used to interpret the results; in the absence of recommendations for L. monocytogenes, the criteria for Staphylococcus aureus and/or Enterococcus spp. were used.
Results.
All strains were susceptible to ampicillin, benzylpenicillin, erythromycin, vancomycin, imipenem, linezolid, and the amoxicillin/clavulanic acid. Resistance was observed to gentamicin (23%) as well as to meropenem, trimethoprim/sulfamethoxazole and ciprofloxacin (5%, 74% and 28% of strains, respectively). A total of 15 strains with multiple antibiotic resistance were identified (13 and 2 isolates were resistant to three and four antibiotics, respectively). Simultaneous resistance to trimethoprim/sulfamethoxazole, ciprofloxacin and levofloxacin was observed in 9 strains, 6 strains were resistant to gentamicin and trimethoprim/sulfamethoxazole, including 3 strains – to gentamicin, trimethoprim/sulfamethoxazole, levofloxacin, and 2 strains – to gentamicin, trimethoprim/sulfamethoxazole, ciprofloxacin. Comparison of the growth inhibition zones by ampicillin and benzylpenicillin in the studied strains with historical data on the strains isolated in Russia in 1950–1980 showed a significant downward shift in the size of growth inhibition zones. Comparison of the distribution of strains with different diameters of growth inhibition zones depending on the source of isolation did not show significant differences between clinical strains and strains of food origin isolated in 2019–2021.
Conclusions.
A wide spread of acquired resistance was shown among L. monocytogenes strains of clinical and food origin isolated in Moscow in 2019–2021. Despite the fact that all strains were susceptible to penicillins, the distribution of growth inhibition zone diameters showed a significant shift towards decreasing sensitivity to ampicillin and benzylpenicillin in strains isolated in 2019–2021 compared with L. monocytogenes strains isolated in Russia before 1980.
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Affiliation(s)
- Svetlana A. Ermolaeva
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - T.I. Karpova
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - P.A. Andriyanov
- Nizhny Novgorod Research Veterinary Institute – Branch of Federal Research Center for Virology and Microbiology (Nizhny Novgorod, Russia)
| | - P.A. Zhurilov
- Nizhny Novgorod Research Veterinary Institute – Branch of Federal Research Center for Virology and Microbiology (Nizhny Novgorod, Russia)
| | - Olga L. Voronina
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - N.N. Ryzhova
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - E.I. Aksenova
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - M.S. Kunda
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
| | - E.A. Liskova
- Nizhny Novgorod Research Veterinary Institute – Branch of Federal Research Center for Virology and Microbiology (Nizhny Novgorod, Russia)
| | - O.A. Gruzdeva
- Russian Medical Academy of Continuous Professional Education (Moscow, Russia)
| | - E.A. Klimova
- A.I. Yevdokimov Moscow State University of Medicine and Dentistry (Moscow, Russia)
| | - E.A. Posukhovsky
- A.I. Yevdokimov Moscow State University of Medicine and Dentistry (Moscow, Russia)
| | - G.N. Karetkina
- A.I. Yevdokimov Moscow State University of Medicine and Dentistry (Moscow, Russia)
| | - A.R. Melkumyan
- City Clinical Hospital named after F.I. Inozemtsev (Moscow, Russia)
| | - O.E. Orlova
- City Clinical Hospital No. 67 named after L.A. Vorokhobov (Moscow, Russia)
| | | | - T.V. Pronina
- City Infectious Clinical Hospital No. 1 (Moscow, Russia)
| | - I.S. Tartakovsky
- N.F. Gamaleya National Research Center of Epidemiology and Microbiology (Moscow, Russia)
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Santana LN, Tavares LS, Dorvigny BM, Souza FDAL, Paiva BHDA, Evêncio-Neto J, Hounkonnou SGC, Silva AFB, Ramos MV, Lima-Filho JV. Anti-infective activity of Cratylia argentea lectin (CFL) against experimental infection with virulent Listeria monocytogenes in Swiss mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 94:153839. [PMID: 34781231 DOI: 10.1016/j.phymed.2021.153839] [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: 08/26/2021] [Revised: 10/06/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND The lectin from Cratylia argentea (CFL) is able to modulate the immune system response and is thus a potential phytotherapeutic substance. HYPOTHESIS/PURPOSE In this study, we investigated the role of CFL on control of bacterial infection caused by Listeria monocytogenes, the causative agent of human listeriosis. STUDY DESIGN Swiss mice were infected with L. monocytogenes and then treated with CFL. METHODS Adult Swiss mice weighing with 30-40 g were infected intraperitoneally with a bacterial suspension (0.2 ml; 1 × 107 CFU/ml). After 30 min, the mice were treated with CFL intravenously at concentrations of 0.1 or 10 mg/kg. Control mice received phosphate-buffered saline (PBS). The animals were euthanized 24 h after infection. RESULTS We observed that i.v. administration of CFL to Swiss mice did not cause acute toxicity, and reduced the leukocyte counts in the bloodstream 24 h after infection with virulent L. monocytogenes. There was a reduction in the bacterial burden within peritoneal macrophages after infection in CFL-treated mice. Accordingly, the bacterial counts in the bloodstream, spleen and liver also decreased in comparison with the PBS group. Histological damage in the spleen and liver was lower in mice that received CFL treatment. In vitro antimicrobial assays demonstrated that CFL does not inhibit the growth of L. monocytogenes. The mRNA expression of the anti-inflammatory cytokine IL-10 was enhanced with CFL treatment after infection. CONCLUSION The lectin from C. argentea (CFL) has immunomodulatory and anti-infective properties of pharmacological interest for control of infectious diseases.
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Affiliation(s)
- Lucas Nunes Santana
- Department of Biology, Microbiology and Immunology Laboratory, Federal Rural University of Pernambuco, Dom Manoel de Medeiros, s/n, B. Dois Irmãos, Recife, PE CEP 52171-900, Brazil
| | - Lethicia Souza Tavares
- Department of Biology, Microbiology and Immunology Laboratory, Federal Rural University of Pernambuco, Dom Manoel de Medeiros, s/n, B. Dois Irmãos, Recife, PE CEP 52171-900, Brazil
| | - Betty Mancebo Dorvigny
- Department of Biology, Microbiology and Immunology Laboratory, Federal Rural University of Pernambuco, Dom Manoel de Medeiros, s/n, B. Dois Irmãos, Recife, PE CEP 52171-900, Brazil
| | | | | | - Joaquim Evêncio-Neto
- Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Recife, PE, Brazil
| | | | | | - Márcio Viana Ramos
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Jose Vitor Lima-Filho
- Department of Biology, Microbiology and Immunology Laboratory, Federal Rural University of Pernambuco, Dom Manoel de Medeiros, s/n, B. Dois Irmãos, Recife, PE CEP 52171-900, Brazil.
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Whole-Genome Sequencing-Based Characterization of a Listeria monocytogenes Strain from an Aborted Water Buffalo in Southern Italy. Microorganisms 2021; 9:microorganisms9091875. [PMID: 34576769 PMCID: PMC8469865 DOI: 10.3390/microorganisms9091875] [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: 07/14/2021] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 11/17/2022] Open
Abstract
Listeria monocytogenes is a Gram-positive pathogen causing life-threatening infections both in humans and animals. In livestock farms, it can persist for a long time and primarily causes uterine infections and encephalitis in farmed animals. Whole genome sequencing (WGS) is currently becoming the best method for molecular typing of this pathogen due to its high discriminatory power and efficiency of characterization. This study describes the WGS-based characterization of an L. monocytogenes strain from an aborted water buffalo fetus in southern Italy. The strain under study was classified as molecular serogroup IVb, phylogenetic lineage I, MLST sequence type 6, Clonal Complex 6, and cgMLST type CT3331, sublineage 6. Molecular analysis indicated the presence of 61 virulence genes and 4 antibiotic resistance genes. Phylogenetic analysis, including all the publicly available European L. monocytogenes serogroup IVb isolates, indicated that our strain clusterized with all the other CC6 strains and that different CCs were variably distributed within countries and isolation sources. This study contributes to the current understanding of the genetic diversity of L. monocytogenes from animal sources and highlights how the WGS strategy can provide insights into the pathogenic potential of this microorganism, acting as an important tool for epidemiological studies.
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15
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Menon KV, Sunil B, Latha C. Prevalence and antibiotic resistance profile of Listeria spp. associated with seafoods from fish catchment areas in Kerala, India. Vet World 2021; 14:777-783. [PMID: 33935427 PMCID: PMC8076452 DOI: 10.14202/vetworld.2021.777-783] [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: 07/09/2020] [Accepted: 02/03/2021] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Listeria monocytogenes is a ubiquitous, intracellular pathogen which has been implicated as a cause of several foodborne outbreaks. This study aimed to generate information on the prevalence and antibiotic resistance profile of Listeria species isolated from seafood. Materials and Methods: A total of 400 samples of fresh fish, 100 samples of dry fish and 200 samples each of crustaceans and mollusks were collected from the fish catchment areas. All the samples were subjected to isolation and identification of Listeria spp. by two-step enrichment in UVM broth and plating on selective agar media (PALCAM) and then subjected to molecular characterization. L. monocytogenes isolates obtained during the study were subjected to serotyping by multiplex polymerase chain reaction. The isolates were also subjected to antibiotic sensitivity test. Results: The prevalence of L. monocytogenes in seafoods in the present study was 0.55%. The isolates of L. monocytogenes were found to possess all virulence genes, namely, iap, hlyA, actA, prfA, plcA, and inlA. All the isolates belonged to serotype 4b. The occurrence of Listeria innocua was found to be more and was detected in 16.77% of seafood samples. Antibiotic sensitivity test revealed that all isolates were resistant to cefixime but were sensitive to almost all other commonly used antibiotics. Conclusion: The presence of Listeria spp. in raw seafood samples augments the need for implementation of good hygienic practices during the handling and processing of seafoods to safeguard the health of the consumers.
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Affiliation(s)
- K Vrinda Menon
- Department of Veterinary Public Health, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Thrissur, Kerala, India
| | - B Sunil
- Department of Veterinary Public Health, College of Veterinary and Animal Sciences, Veterinary and Animal Sciences University, Thrissur, Kerala, India
| | - C Latha
- Department of Veterinary Public Health, College of Veterinary and Animal Sciences, Veterinary and Animal Sciences University, Mannuthy, Thrissur, Kerala, India
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16
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Duze ST, Marimani M, Patel M. Tolerance of Listeria monocytogenes to biocides used in food processing environments. Food Microbiol 2021; 97:103758. [PMID: 33653529 DOI: 10.1016/j.fm.2021.103758] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 01/19/2021] [Accepted: 01/29/2021] [Indexed: 02/06/2023]
Abstract
Listeria monocytogenes is a foodborne pathogen that causes a life-threatening disease in humans known as listeriosis. Contamination of food during processing is the main route of transmission of Listeria monocytogenes. Therefore, biocides play a crucial role in food processing environments as they act as the first line of defense in the prevention and control of L. monocytogenes. Residues of biocides may be present at sublethal concentrations after disinfection. This, unfortunately, subjects L. monocytogenes to selection pressure, giving rise to tolerant strains, which pose a threat to food safety and public health. This review will give a brief description of L. monocytogenes, the clinical manifestation, treatment of listeriosis as well as recently recorded outbreaks. The article will then discuss the current literature on the ability of L. monocytogenes strains to tolerate biocides especially quaternary ammonium compounds as well as the mechanisms of tolerance towards biocides including the activation of efflux pump systems.
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Affiliation(s)
- Sanelisiwe Thinasonke Duze
- Department of Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa.
| | - Musa Marimani
- Department of Anatomical Pathology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa
| | - Mrudula Patel
- Department of Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa; National Health Laboratory Services and Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193, South Africa
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17
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Mpondo L, Ebomah KE, Okoh AI. Multidrug-Resistant Listeria Species Shows Abundance in Environmental Waters of a Key District Municipality in South Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:E481. [PMID: 33435627 PMCID: PMC7826511 DOI: 10.3390/ijerph18020481] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/01/2021] [Accepted: 01/03/2021] [Indexed: 11/16/2022]
Abstract
The prevalence of bacteria with multidrug-resistance (MDR) is a significant threat to public health globally. Listeria spp. are naturally ubiquitous, with L. monocytogenes particularly being ranked as important foodborne disease-causing microorganisms. This study aimed to evaluate the incidence and determine the antimicrobial resistance (AMR) profiles of multidrug-resistant Listeria spp. (MDRL) isolated from different environmental samples (river and irrigation water) in the Sarah Baartman District Municipality (SBDM), Eastern Cape Province (ECP), South Africa. Molecular identification and characterization were carried out using polymerase chain reaction (PCR) and isolates that exhibited phenotypic resistance were further screened for relevant antimicrobial-resistant genes (ARGs). Findings revealed a total of 124 presumptive Listeria isolates; 69 were molecularly confirmed Listeria species. Out of the confirmed species, 41 isolates (59%) were classified as L. monocytogenes while 9 (13%) were classified as L. welshimeri. All Listeria spp. exhibited phenotypic resistance against ampicillin, penicillin, and trimethoprim-sulphamethoxazole and further screening revealed ARGs in the following proportions: sulI (71%), blaTEM (66%), tetA (63%), and blaCIT (33%). Results confirmed the occurrence of ARGs among Listeria inhabiting surface waters of ECP. The present study indicates that the river water samples collected from SBDM are highly contaminated with MDRL, hence, constituting a potential health risk.
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Affiliation(s)
- Liyabona Mpondo
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice 5700, South Africa; (K.E.E.); (A.I.O.)
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
| | - Kingsley Ehi Ebomah
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice 5700, South Africa; (K.E.E.); (A.I.O.)
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
| | - Anthony Ifeanyi Okoh
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice 5700, South Africa; (K.E.E.); (A.I.O.)
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
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18
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Bustamante F, Maury-Sintjago E, Leal FC, Acuña S, Aguirre J, Troncoso M, Figueroa G, Parra-Flores J. Presence of Listeria monocytogenes in Ready-to-Eat Artisanal Chilean Foods. Microorganisms 2020; 8:microorganisms8111669. [PMID: 33121209 PMCID: PMC7694154 DOI: 10.3390/microorganisms8111669] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 11/16/2022] Open
Abstract
Ready-to-eat (RTE) artisanal foods are very popular, but they can be contaminated by Listeria monocytogenes. The aim was to determine the presence of L. monocytogenes in artisanal RTE foods and evaluate its food safety risk. We analyzed 400 RTE artisanal food samples requiring minimal (fresh products manufactured by a primary producer) or moderate processing (culinary products for sale from the home, restaurants such as small cafés, or on the street). Listeria monocytogenes was isolated according to the ISO 11290-1:2017 standard, detected with VIDAS equipment, and identified by real-time polymerase chain reaction (PCR). A small subset (n = 8) of the strains were further characterized for evaluation. The antibiotic resistance profile was determined by the CLSI methodology, and the virulence genes hlyA, prfA, and inlA were detected by PCR. Genotyping was performed by pulsed-field gel electrophoresis (PFGE). Listeria monocytogenes was detected in 7.5% of RTE artisanal foods. On the basis of food type, positivity in minimally processed artisanal foods was 11.6%, significantly different from moderately processed foods with 6.2% positivity (p > 0.05). All the L. monocytogenes strains (n = 8) amplified the three virulence genes, while six strains exhibited premature stop codons (PMSC) in the inlA gene; two strains were resistant to ampicillin and one strain was resistant to sulfamethoxazole-trimethoprim. Seven strains were 1/2a serotype and one was a 4b strain. The sampled RTE artisanal foods did not meet the microbiological criteria for L. monocytogenes according to the Chilean Food Sanitary Regulations. The presence of virulence factors and antibiotic-resistant strains make the consumption of RTE artisanal foods a risk for the hypersensitive population that consumes them.
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Affiliation(s)
- Fernanda Bustamante
- Environmental and Public Health Laboratory, Universidad del Bío-Bío, Regional Secreatariat of the Ministry of Health in Maule, Talca 3461637, Chile;
| | - Eduard Maury-Sintjago
- Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3800708, Chile;
| | - Fabiola Cerda Leal
- Department of Food Engineering, Universidad del Bío-Bío, Chillán 3800708, Chile; (F.C.L.); (S.A.)
| | - Sergio Acuña
- Department of Food Engineering, Universidad del Bío-Bío, Chillán 3800708, Chile; (F.C.L.); (S.A.)
| | - Juan Aguirre
- Department of Agricultural Industry and Enology, Universidad de Chile, Santiago 8820808, Chile;
| | - Miriam Troncoso
- Microbiology and Probiotics Laboratory, Institute of Nutrition and Food Technology, Universidad de Chile, Santiago 7830490, Chile; (M.T.); (G.F.)
| | - Guillermo Figueroa
- Microbiology and Probiotics Laboratory, Institute of Nutrition and Food Technology, Universidad de Chile, Santiago 7830490, Chile; (M.T.); (G.F.)
| | - Julio Parra-Flores
- Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3800708, Chile;
- Correspondence:
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19
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Szymczak B, Szymczak M, Trafiałek J. Prevalence of Listeria species and L. monocytogenes in ready-to-eat foods in the West Pomeranian region of Poland: Correlations between the contamination level, serogroups, ingredients, and producers. Food Microbiol 2020; 91:103532. [DOI: 10.1016/j.fm.2020.103532] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/10/2020] [Accepted: 04/22/2020] [Indexed: 11/27/2022]
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20
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Phylogenetic Analysis and Antibiotics Resistance of Listeria Monocytogenes Contaminating Chicken Meat in Surabaya, Indonesia. Vet Med Int 2020; 2020:9761812. [PMID: 32190283 PMCID: PMC7068146 DOI: 10.1155/2020/9761812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/19/2020] [Accepted: 02/05/2020] [Indexed: 11/18/2022] Open
Abstract
The objective of this study was to identify the phylogenetic analysis and antibiotic resistance of Listeria monocytogenes contaminating chicken meat in Surabaya. 60 chicken meat samples were collected from supermarkets, mobile vendors, and traditional markets in Surabaya. A selective medium is used for isolation and identification of Listeria monocytogenes by chopping 25 grams of the chicken meat and to put it into the sterilized Erlenmeyer flasks. Some methods were used for the identification procedures, such as biochemical and morphological tests, antibiotic resistance test, PCR, and sequencing; also a phylogenetic analysis was conducted by a neighbor-joining analysis using Genetix Mac ver 8.0 with hlyA genes of Listeria monocytogenes recorded in GenBank, such as Lineage I (KC808543), Lineage II (AY229462, AY229346, AY229499, and AY229404), Lineage III (KJ504139, HQ686043, KJ504116, and DQ988349), and Lineage IV (EU840690, EF030606). The result shows that the prevalence of L. monocytogenes in Surabaya contaminating the chicken meat samples from the supermarkets was 10% (2/20), from the mobile vendors was 0/20 (0%), and from the traditional markets was 5% (1/20). It was seen from the band at 456 bp fragment. Furthermore, three isolates found in Surabaya were included in the new lineages which were resistant to old-generation antibiotics such as sulfamethonazole-trimetophrim (SXT) and amoxyllin sulbactam (MAS), but they were still sensitive to new-generation antibiotics such as cefotaxime (CTX) and meropenem (MEM).
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21
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Okorie-Kanu OJ, Anyanwu MU, Ezenduka EV, Mgbeahuruike AC, Okorie-Kanu CO, Ugwuijem EE, Idogwu MN, Anyaoha CO, Majesty-Alukagberie OL, Vidal RO, Vidal M. Occurrence and antibiogram of Listeria species in raw pork, beef, and chicken meats marketed in Enugu State, Southeast Nigeria. Vet World 2020; 13:317-325. [PMID: 32255974 PMCID: PMC7096297 DOI: 10.14202/vetworld.2020.317-325] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 01/13/2020] [Indexed: 11/16/2022] Open
Abstract
AIM This study was undertaken to isolate Listeria (L.) species from raw meats sold in markets in Enugu State, Southeast Nigeria, and to determine the antibacterial resistance profile. MATERIALS AND METHODS Twenty-five grams of beef (n=144), chicken meat (n=144), and pork (n=144) were collected randomly from supermarkets and general markets in Enugu State. Isolation of Listeria was done using half and full Fraser broths, and polymyxin acriflavine lithium chloride ceftazidime aesculin mannitol agar. Identification of isolates was done using an analytical profile index kit specific for Listeria. Confirmation of the genus Listeria was done by a polymerase chain reaction. The resistance of the isolates was determined using the disk diffusion method. RESULTS Listeria was isolated from 39/144 (27.1%) chicken meat, 19/144 (13.2%) pork, and 66/144 (45.8%) beef samples cultured. Listeria innocua was the predominant species in chicken meat (52.6%) and beef (81.8%) samples. Listeria grayi, Listeria welshimeri, and Listeria ivanovii were also isolated from the beef and chicken meat samples. More than 65% of the isolates were resistant to penicillin, rifampicin, ciprofloxacin, sulfamethoxazole-trimethoprim, and cephalothin. All the isolates from beef and pork samples and 23 (92%) from chicken meat samples, were resistant to ≥3 classes of antibacterial agents. Mean multiple antibiotic resistance index (MARI) was 0.77 (range=0.42-1.00), 0.58 (range=0.25-0.83), and 0.79 (range=0.58-0.92) for the isolates from beef, chicken meat, and pork samples, respectively. All the isolates had MARI >0.2. CONCLUSION Multidrug-resistant Listeria strains contaminate raw beef, pork, and chicken meats marketed in Enugu State, Southeast Nigeria.
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Affiliation(s)
- Onyinye Josephine Okorie-Kanu
- Department of Veterinary Public Health and Preventive Medicine, University of Nigeria, 400001 Nsukka, Enugu State Nigeria
| | - Madubuike Umunna Anyanwu
- Microbiology Unit, Department of Veterinary Pathology and Microbiology, University of Nigeria, 400001 Nsukka, Enugu State Nigeria
| | - Ekene Vivienne Ezenduka
- Department of Veterinary Public Health and Preventive Medicine, University of Nigeria, 400001 Nsukka, Enugu State Nigeria
| | - Anthony Christian Mgbeahuruike
- Microbiology Unit, Department of Veterinary Pathology and Microbiology, University of Nigeria, 400001 Nsukka, Enugu State Nigeria
| | | | - Ejike Ekene Ugwuijem
- Department of Microbiology, University of Nigeria, 400001 Nsukka, Enugu State, Nigeria
| | | | - Chidiebere Ohazuruike Anyaoha
- Department of Veterinary Public Health and Preventive Medicine, University of Nigeria, 400001 Nsukka, Enugu State Nigeria
| | | | - Roberto O. Vidal
- Programa de Microbiologia y Micologia, Instituto de Ciencias Biomedicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Maricel Vidal
- Secretaria Regional Ministerial de Salud Region Metropolitana Santiago, Chile
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22
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Osman KM, Kappell AD, Fox EM, Orabi A, Samir A. Prevalence, Pathogenicity, Virulence, Antibiotic Resistance, and Phylogenetic Analysis of Biofilm-Producing Listeria monocytogenes Isolated from Different Ecological Niches in Egypt: Food, Humans, Animals, and Environment. Pathogens 2019; 9:E5. [PMID: 31861483 PMCID: PMC7168649 DOI: 10.3390/pathogens9010005] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 02/07/2023] Open
Abstract
Serious outbreaks of foodborne disease have been caused by Listeria monocytogenes found in retail delicatessens and the severity of disease is significant, with high hospitalization and mortality rates. Little is understood about the formidable public health threat of L. monocytogenes in all four niches, humans, animals, food, and environment, in Egypt. This study analyzed the presence of L. monocytogenes collected from the four environmental niches and bioinformatics analysis was implemented to analyze and compare the data. PCR was used to detect virulence genes encoded by pathogenicity island (LIPI-1). prfA amino acid substation that causes constitutive expression of virulence was common in 77.7% of isolates. BLAST analysis did not match other isolates in the NCBI database, suggesting this may be a characteristic of the region associated with these isolates. A second group included the NH1 isolate originating in China, and BLAST analysis showed this prfA allele was shared with isolates from other global locations, such as Europe and North America. Identification of possible links and transmission pathways between the four niches helps to decrease the risk of disease in humans, to take more specific control measures in the context of disease prevention, to limit economic losses associated with food recalls, and highlights the need for treatment options.
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Affiliation(s)
- Kamelia M. Osman
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Cairo 12211, Egypt; (A.O.); (A.S.)
| | - Anthony D. Kappell
- Water Quality Center, Department of Civil, Construction and Environmental Engineering, Marquette University, Milwaukee, WI 53233, USA;
| | - Edward M. Fox
- Department of Applied Sciences, North Umbria University, Newcastle upon Tyne NE1 2SU, UK;
| | - Ahmed Orabi
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Cairo 12211, Egypt; (A.O.); (A.S.)
| | - Ahmed Samir
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Cairo 12211, Egypt; (A.O.); (A.S.)
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Ulusoy BH, Chirkena K. Two perspectives of Listeria monocytogenes hazards in dairy products: the prevalence and the antibiotic resistance. FOOD QUALITY AND SAFETY 2019. [DOI: 10.1093/fqsafe/fyz035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
Listeria monocytogenes is among the most food-borne pathogens. It has the ability to grow over a range of temperature, including refrigeration temperature. Foods kept in refrigerator more than the prescribed period of time create an opportunity for the occurrence of Listeria monocytogenes. As this review shows, the prevalence of L. monocytogenes has more likely evident in pasteurized milk than other dairy products, such as raw milk. Inadequate temperature and faults in technology during pasteurization can be the disposing factors for the presence of the organism in dairy products. The organism, on the other hand, has been found to be resistant to those commonly known antibiotics that have human and veterinary importance, namely, ampicillin, Tetracycline, and chloramphenicol, streptomycin, erytromycin, penicillin G., and others. Resistance ability of the organism can be mediated by different natural and acquired resistance mechanisms, such as self-transferrable plasmids, mobilizable plasmids, and conjugative transposons. The emergence and spread of antibiotic resistance of L. monocytogenes has serious public health and economic impacts at large. This paper has reviewed the prevalence and the antibiotic resistance of L. monocytogenes isolates of dairy products and the strategic mechanisms of the organism develop resistance against the antibiotics.
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Affiliation(s)
- Beyza H Ulusoy
- Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, Near East University, Nicosia, Cyprus
| | - Kefyalew Chirkena
- Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, Near East University, Nicosia, Cyprus
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