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Zakaria AI, Sabala RF. Potential public health hazards related to consumption of poultry contaminated with antibiotic resistant Listeria monocytogenes in Egypt. BMC Microbiol 2024; 24:41. [PMID: 38287241 PMCID: PMC10823629 DOI: 10.1186/s12866-024-03183-x] [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: 05/18/2023] [Accepted: 01/05/2024] [Indexed: 01/31/2024] Open
Abstract
Listeria monocytogenes is an important foodborne pathogen that incorporated into many serious infections in human especially immunocompromised individuals, pregnant women, the elderly, and newborns. The consumption of food contaminated with such bacteria is considered a source of potential risk for consumers. Therefore, a total of 250 poultry purchased in highly popular poultry stores besides 50 swabs from workers hands in the same stores, in Mansoura City had been tested for the L. monocytogenes prevalence, virulence genes, and antibiotic resistance profile illustrating the health hazards from such poultry. The L. monocytogenes were recovered from 9.6% of poultry samples while not detected from workers hand swabs. The antimicrobial susceptibility of 24 L. monocytogenes strains against 24 antibiotics of seven different classes revealed high susceptibility rates to erythromycin (79.17%), streptomycin (66.67%), gentamycin (66.67%), vancomycin (58.33%), chloramphenicol (58.33%) and cefotaxime (41.67%). The majority (79.2%) of L. monocytogenes were classified as multidrug resistant strains with high resistance to tetracyclines and β-lactams antibiotics while 16.7% of the strains were categorized as extensively resistant ones. The iap virulence-specific determination gene had been detected in all recovered L. monocytogenes isolates while 83.33 and 70.83% of the isolates harbored hylA and actA genes. In addition, the study confirmed the capability of most L. monocytogenes isolates for biofilm formation by moderate to strong production and the quantitative risk assessment illustrated the risk of developing listeriosis as the risk value exceeded 100. The current results illustrate that poultry meat can be a source of pathogenic antibiotic resistant strains that may cause infection with limited or no treatment in immunosuppressed consumers via the food chain.
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Affiliation(s)
- Amira Ibrahim Zakaria
- Department of Food Hygiene, Safety and Technology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Rana Fahmi Sabala
- Department of Food Hygiene, Safety and Technology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt.
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Tadielo LE, Dos Santos EAR, Possebon FS, Schmiedt JA, Juliano LCB, Cerqueira-Cézar CK, de Oliveira JP, Sampaio ANDCE, Melo PRL, Caron EFF, Pinto JPDAN, Bersot LDS, Pereira JG. Characterization of microbial ecology, Listeria monocytogenes, and Salmonella sp. on equipment and utensil surfaces in Brazilian poultry, pork, and dairy industries. Food Res Int 2023; 173:113422. [PMID: 37803760 DOI: 10.1016/j.foodres.2023.113422] [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: 06/02/2023] [Revised: 08/09/2023] [Accepted: 08/29/2023] [Indexed: 10/08/2023]
Abstract
This study aimed to evaluate the level of counting by indicator microorganisms, identify the microbial ecology, detect Listeria monocytogenes and Salmonella sp., and determine the presence of virulence genes and biofilm formation. A total of 480 samples were collected from the surfaces of the equipment and utensils using sterile swabs for the detection of L. monocytogenes and Salmonella sp. and counting mesophilic aerobes, Enterobacteriaceae, Escherichia coli, and Pseudomonas sp. The microbial ecology was evaluated by sequencing the 16S rRNA gene. Genes for virulence and biofilm formation were analyzed and adhesion capacity was evaluated for L. monocytogenes and Salmonella sp. The mesophilic aerobe count was the highest in the dairy processing facility, followed by the pork and poultry slaughterhouses. L. monocytogenes was detected in all facilities, with the highest detection in the pork slaughterhouse, followed by the poultry and dairy facilities. Salmonella sp. was only detected in the dairy. Isolates of L. monocytogenes and Salmonella sp. showed poor adhesion to polystyrene surfaces, virulence genes, and biofilm formation. The frequent contaminants in the slaughterhouses were Pseudomonas, Acinetobacter, and Aeromonas in poultry, Acinetobacter, Pseudomonas, and Brevundimonas in pork, and Pseudomonas, Kocuria, and Staphylococcus in dairy. Our results provide useful information to understand the microbiological risks associated with contamination.
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Affiliation(s)
- Leonardo Ereno Tadielo
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Emanoelli Aparecida Rodrigues Dos Santos
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Fábio Sossai Possebon
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Jhennifer Arruda Schmiedt
- Federal University of Paraná (UFPR), Palotina Campus, Department of Veterinary Sciences, Rua Pioneiro, 2153, Jardim Dallas, 85950-000 Palotina, PR, Brazil
| | - Lara Cristina Bastos Juliano
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Camila Koutsodontis Cerqueira-Cézar
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Janaina Prieto de Oliveira
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Aryele Nunes da Cruz Encide Sampaio
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Patrícia Regina Lopes Melo
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Evelyn Fernanda Flores Caron
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - José Paes de Almeida Nogueira Pinto
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil
| | - Luciano Dos Santos Bersot
- Federal University of Paraná (UFPR), Palotina Campus, Department of Veterinary Sciences, Rua Pioneiro, 2153, Jardim Dallas, 85950-000 Palotina, PR, Brazil.
| | - Juliano Gonçalves Pereira
- São Paulo State University (UNESP), Botucatu Campus, School of Veterinary Medicine and Animal Science, Distrito de Rubião Jr, SN, 18618-681 Botucatu, São Paulo, Brazil.
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Lee SH, Lee S, Park SH, Koo OK. Whole-genome sequencing of Listeria monocytogenes isolated from the first listeriosis foodborne outbreak in South Korea. Front Microbiol 2023; 14:1182090. [PMID: 37333628 PMCID: PMC10272515 DOI: 10.3389/fmicb.2023.1182090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/10/2023] [Indexed: 06/20/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen that causes listeriosis in humans with severe symptoms. In South Korea, listeriosis had only been reported sporadically among hospitalized patients until the first foodborne outbreak occurred in 2018. In this study, a L. monocytogenes strain responsible for this outbreak (FSCNU0110) was characterized via whole genome sequencing and compared with publicly available L. monocytogenes genomes of the same clonal complex (CC). Strain FSCNU0110 belonged to multilocus sequence typing (MLST)-based sequence type 224 and CC224, and core genome MLST-based sublineage 6,178. The strain harbored tetracycline resistance gene tetM, four other antibiotic resistance genes, and 64 virulence genes, including Listeria pathogenicity island 1 (LIPI-1) and LIPI-3. Interestingly, llsX in LIPI-3 exhibited a characteristic SNP (deletion of A in position 4, resulting in a premature stop codon) that was missing among all CC224 strains isolated overseas but was conserved among those from South Korea. In addition, the tetM gene was also detected only in a subset of CC224 strains from South Korea. These findings will provide an essential basis for assessing the characteristics of CC224 strains in South Korea that have shown a potential to cause listeriosis outbreaks.
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Affiliation(s)
- Seung Hun Lee
- Department of Food and Nutrition, Gyeongsang National University, Jinju, Republic of Korea
| | - Sangmi Lee
- Department of Food and Nutrition, Chungbuk National University, Cheongju, Republic of Korea
| | - Sang Hun Park
- Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, Republic of Korea
| | - Ok Kyung Koo
- Department of Food Science and Technology, Chungnam National University, Daejeon, Republic of Korea
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Effect of low doses of biocides on the susceptibility of Listeria monocytogenes and Salmonella enterica to various antibiotics of clinical importance. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Antimicrobial Resistance of Listeria monocytogenes from Animal Foods to First- and Second-Line Drugs in the Treatment of Listeriosis from 2008 to 2021: A Systematic Review and Meta-Analysis. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2022; 2022:1351983. [PMID: 36249588 PMCID: PMC9568363 DOI: 10.1155/2022/1351983] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 09/16/2022] [Indexed: 11/29/2022]
Abstract
First-line drugs for the treatment of listeriosis are the same around the world, but particular conditions might reduce their efficacy, including antimicrobial resistance. Therefore, this study aimed to verify, based on a systematic review and meta-analysis, whether the prevalence of antimicrobial resistance in Listeria monocytogenes from animal foods is higher for first- or second-line antimicrobials. From the total of 302 identified studies, 16 met all the eligibility criteria from 2008 to 2021 and were included in this meta-analysis. They comprised a dataset of 1152 L. monocytogenes isolates, obtained from different animal food products, food processing environment, and live animals. The included studies were developed in South America (n = 5), Europe (n = 4), Asia (n = 3), Africa (n = 2), and North America (n = 2), testing a total of 35 different antimicrobials, 11 of them classified as first-line drugs. Complete lack of antimicrobial resistance across the studies (all L. monocytogenes isolates tested as susceptible) was only observed for linezolid, while widespread antimicrobial resistance (all L. monocytogenes isolates tested resistant) was described for amoxicillin, benzylpenicillin, cefoxitin, fusidic acid, imipenem, sulfamethoxazole, and vancomycin. Overall, the meta-analysis results indicated no evidence that antimicrobial resistance in L. monocytogenes isolated from animal-based food is higher for first-line antimicrobials compared to second-line compounds (p=0.37). A greater volume of publication, together with better characterization of the isolates, is still needed for a more precise estimate of the real prevalence of antimicrobial resistance in L. monocytogenes.
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Zhang Y, Zhang J, Chang X, Qin S, Song Y, Tian J, Ma A. Analysis of 90 Listeria monocytogenes contaminated in poultry and livestock meat through whole-genome sequencing. Food Res Int 2022; 159:111641. [DOI: 10.1016/j.foodres.2022.111641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 11/26/2022]
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Rahman MA, Sahoo N, Yemmireddy V. Analysis of Sanitizer Rotation on the Susceptibility, Biofilm Forming Ability and Caco-2 Cell Adhesion and Invasion of Listeria. Pathogens 2022; 11:pathogens11090961. [PMID: 36145393 PMCID: PMC9502273 DOI: 10.3390/pathogens11090961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/10/2022] [Accepted: 08/21/2022] [Indexed: 11/24/2022] Open
Abstract
The purpose of this study was to determine the effect of sanitizer use conditions on the susceptibility, biofilm forming ability and pathogenicity of Listeria monocytogenes. Two different strains of L. monocytogenes and a non-pathogenic L. innocua were exposed to sodium hypochlorite, benzalkonium chloride and peroxyacetic acid at different concentrations (4 to 512 ppm) and treatment times (30 s to 5 min), respectively. Under the tested conditions, no significant difference (p > 0.05) in reduction was observed among the three tested sanitizers. A reduction of 1 to 8 log CFU/mL was observed depending upon the sanitizer concentration and treatment times. The survived cells at the highest sublethal concentration and treatment time of a particular sanitizer upon re-exposure to the same or different sanitizer showed either no change or increased susceptibility when compared to parent strains. Upon repeated exposure to sanitizers at progressively increasing concentrations from 1 to 128 ppm, L. innocua was able to survive concentrations of up to 32 ppm benzalkonium chloride and 64 ppm peroxyacetic acid treatments, respectively. At the tested sub-lethal concentrations, no significant difference (p > 0.05) in biofilm formation was observed among the tested strains. Caco-2 interaction with L. innocua showed a reduction in invasion ability with sublethal concentrations of sanitizers.
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Affiliation(s)
- Md Asfakur Rahman
- Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Nirakar Sahoo
- Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Veerachandra Yemmireddy
- Department of Biology, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
- School of Earth, Environmental and Marine Sciences, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
- Correspondence: ; Tel.: +1-956-665-7198
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Tadielo LE, Bellé TH, Rodrigues dos Santos EA, Schmiedt JA, Cerqueira-Cézar CK, Nero LA, Yamatogi RS, Pereira JG, Bersot LDS. Pure and mixed biofilms formation of Listeria monocytogenes and Salmonella Typhimurium on polypropylene surfaces. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Rodríguez-Melcón C, Alonso-Calleja C, García-Fernández C, Carballo J, Capita R. Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) for Twelve Antimicrobials (Biocides and Antibiotics) in Eight Strains of Listeria monocytogenes. BIOLOGY 2021; 11:biology11010046. [PMID: 35053044 PMCID: PMC8773323 DOI: 10.3390/biology11010046] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/06/2021] [Accepted: 12/14/2021] [Indexed: 01/22/2023]
Abstract
When selecting effective doses of antimicrobials, be they biocides or antibiotics, it is essential to know the minimum inhibitory concentrations (MICs) and minimum bactericidal concentrations (MBCs) of these substances. The present research determined the MICs and MBCs for three biocides, sodium hypochlorite (SH), benzalkonium chloride (BC), and peracetic acid (PAA), and nine antibiotics in eight strains of Listeria monocytogenes of varying serotypes. Marked intra-species differences were observed in the resistance of L. monocytogenes to the biocides and antibiotics. The MICs (ppm) for the biocides ranged between 1750 and 4500 for SH, 0.25 and 20.00 for BC, and 1050 and 1700 for PAA. Their MBCs (ppm) ranged from 2250 to 4500 for SH, 0.50 to 20.00 for BC, and 1150 to 1800 for PAA. The MICs (ppm) for antibiotics lay between 1 and 15 for ampicillin, 8 and 150 for cephalothin, 20 and 170 for cefoxitin, 0.05 and 0.20 for erythromycin, 4 and 50 for chloramphenicol, 3 and 100 for gentamicin, 2 and 15 for tetracycline, 2 and 80 for vancomycin, and 160 and 430 for fosfomycin. The corresponding MBCs (ppm) were from 5 to 20 for ampicillin, 9 to 160 for cephalothin, 70 to 200 for cefoxitin, 4 to 5 for erythromycin, 9 to 70 for chloramphenicol, 5 to 100 for gentamicin, 3 to 30 for tetracycline, 3 to 90 for vancomycin, and 160 to 450 for fosfomycin. Notably, erythromycin showed considerable efficacy, demonstrated by the low values for both MIC and MBC. Based on EUCAST and the CLSI criteria, all strains were susceptible to erythromycin. All strains were resistant to cephalothin, cefoxitin, gentamicin, and fosfomycin. Further values for resistance were 87.50% for ampicillin and vancomycin, 75.00% for tetracycline, and 62.50% for chloramphenicol. The high prevalence of antibiotic resistance is a matter for concern. A positive correlation was found between MIC and MBC values for most of the biocides and antibiotics. The higher the hydrophobicity of the cell surface, the higher the susceptibility to biocides, suggesting that surface characteristics of bacterial cells influence resistance to these compounds.
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Affiliation(s)
- Cristina Rodríguez-Melcón
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, 24071 León, Spain; (C.R.-M.); (C.A.-C.); (C.G.-F.)
- Institute of Food Science and Technology, University of León, 24071 León, Spain
| | - Carlos Alonso-Calleja
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, 24071 León, Spain; (C.R.-M.); (C.A.-C.); (C.G.-F.)
- Institute of Food Science and Technology, University of León, 24071 León, Spain
| | - Camino García-Fernández
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, 24071 León, Spain; (C.R.-M.); (C.A.-C.); (C.G.-F.)
- Institute of Food Science and Technology, University of León, 24071 León, Spain
| | - Javier Carballo
- Food Technology Area, University of Vigo, 32004 Ourense, Spain;
| | - Rosa Capita
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, 24071 León, Spain; (C.R.-M.); (C.A.-C.); (C.G.-F.)
- Institute of Food Science and Technology, University of León, 24071 León, Spain
- Correspondence:
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Valledor SJD, Dioso CM, Bucheli JEV, Park YJ, Suh DH, Jung ES, Kim B, Holzapfel WH, Todorov SD. Characterization and safety evaluation of two beneficial, enterocin-producing Enterococcus faecium strains isolated from kimchi, a Korean fermented cabbage. Food Microbiol 2021; 102:103886. [PMID: 34809929 DOI: 10.1016/j.fm.2021.103886] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 12/22/2022]
Abstract
Enterococcus faecium ST20Kc and ST41Kc were isolated from kimchi, a traditional Korean fermented cabbage. Bacteriocins produced by both strains exhibited strong activity against Listeria monocytogenes and various Enterococcus spp., including 30 vancomycin-resistant enterococcal strains, but not against other lactic acid bacteria (LAB) on the evaluated test panel. The antimicrobials produced by the strains were found to be proteinaceous and stable even after exposure to varying pH, temperature, and chemicals used in the industry and laboratory processes. Antimicrobial activity of both strains was evaluated as bactericidal against exponentially growing cultures of L. monocytogenes ATCC® 15313™ and Enterococcus faecalis 200A. Based on tricine-SDS-PAGE, the molecular weights of the bacteriocins produced by the strains were between 4 and 6 kDa. Additionally, both strains were susceptible to antibiotics, including vancomycin, kanamycin, gentamycin, ampicillin, streptomycin, tylosin, chloramphenicol, clindamycin, and tetracycline. Adhesion genes, map, mub, and EF-Tu, were also detected in the genomes of both strains. With gastrointestinal stress induction, both strains showed high individual survival rates, and capability to reduce viable counts of L. monocytogenes ATCC® 15313™ and Enterococcus faecalis 200A in mixed cultures. Based on the metabolomics analysis, both strains were found to produce additional antimicrobial compounds, particularly, lactic acid, phenyllactic acid, and phenethylamine, which can be potentially involved in the antimicrobial interaction with pathogenic microorganisms.
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Affiliation(s)
- Samantha Joy D Valledor
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea
| | | | | | - Yu Jin Park
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Dong Ho Suh
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Eun Sung Jung
- HEM Pharma Inc., Suwon, Gyeonggi, 16229, Republic of Korea
| | - Bobae Kim
- HEM Pharma Inc., Pohang, Gyeongbuk, 37554, Republic of Korea
| | - Wilhelm Heinrich Holzapfel
- Human Effective Microbes, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea.
| | - Svetoslav Dimitrov Todorov
- ProBacLab, Advanced Convergence, Handong Global University, Pohang, Gyeongbuk, 37554, Republic of Korea.
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Listeria monocytogenes: health risk and a challenge for food processing establishments. Arch Microbiol 2021; 203:5907-5919. [DOI: 10.1007/s00203-021-02590-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/06/2021] [Accepted: 09/20/2021] [Indexed: 12/19/2022]
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Assessment of the Prevalence and Drug Susceptibility of Listeria monocytogenes Strains Isolated from Various Types of Meat. Foods 2020; 9:foods9091293. [PMID: 32937989 PMCID: PMC7554916 DOI: 10.3390/foods9091293] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/03/2020] [Accepted: 09/05/2020] [Indexed: 01/12/2023] Open
Abstract
Listeria monocytogenes are the etiological factor of listeriosis, and their main source for humans is food. The aim of the current study was to assess the contamination of various types of meat and the drug susceptibility of isolated L. monocytogenes. Between 2016–2018, 6000 swabs were taken (2000 annually) from the surface of pork, beef, and poultry. The analysis of intermediate and finished product samples was carried out in accordance with ISO 11290-1 (International Organization for Standardization). The genetic similarity assessment of the isolates obtained was based on the Pulsed Field Gel Electrophoresis (PFGE) method, and drug-sensitivity assessment using the disc-diffusion method. We found 2.1% of collected samples were L. monocytogenes positive. The level of meat contamination varied depending on its matrix. Most L. monocytogenes were isolated from poultry. It was shown that 39 (32.5%) strains were sensitive to all tested antibiotics and eight (6.7%) were resistant to all five tested antimicrobials. Most strains tested were resistant to cotrimoxazole (55; 45.8%) and meropenem (52; 43.3%), followed by erythromycin (48; 40.0%), penicillin (31; 25.8%), and ampicillin (21; 17.5%). High prevalence of this pathogen may be a serious problem, especially when linked with antibiotic resistance and high percentage of serotypes responsible for listeriosis outbreaks.
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Viana C, Soares VM, Pereira JG, Tadielo LE, Nero LA, Paes de Almeida Nogueira Pinto J, Bersot LDS. Effect of a water spray system on the presence of Salmonella and Listeria monocytogenes on conveyor belts in chicken slaughterhouses. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Teixeira LA, Carvalho FT, Vallim DC, Pereira RC, Cunha Neto A, Vieira BS, Carvalho RC, Figueiredo EE. Listeria monocytogenes in Export-approved Beef from Mato Grosso, Brazil: Prevalence, Molecular Characterization and Resistance to Antibiotics and Disinfectants. Microorganisms 2019; 8:microorganisms8010018. [PMID: 31861870 PMCID: PMC7023217 DOI: 10.3390/microorganisms8010018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/29/2019] [Accepted: 10/14/2019] [Indexed: 12/31/2022] Open
Abstract
The Brazilian state of Mato Grosso is the largest producer and exporter of beef in the country, but few studies of relevance have been conducted to evaluate the microbiological safety of its products. This study aimed to estimate the prevalence of Listeria monocytogenes (LM) in export-approved beef from Mato Grosso and to characterize the isolates in terms of molecular properties and antimicrobial resistance. From a total of 50 samples analyzed, Listeria sp. was isolated in 18 (36% prevalence). Listeria monocytogenes was confirmed in 6 (12% prevalence). Among the serotype groups assessed by multiplex PCR, serotype 4 (4b, 4d or 4e) was the most prevalent. Although antibiotic resistance was not an issue, two strains isolated from different plants showed high resistance to sodium hypochlorite. Overall, this scenario causes concern because it puts at risk not only the Brazilian customer, but also the population of countries that import beef from Mato Grosso.
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Affiliation(s)
- Larrayane A.C. Teixeira
- College of Nutrition, Federal University of Mato Grosso, 78060-900 Cuiabá, MT, Brazil (F.T.C.); (A.C.N.)
| | - Fernanda T. Carvalho
- College of Nutrition, Federal University of Mato Grosso, 78060-900 Cuiabá, MT, Brazil (F.T.C.); (A.C.N.)
| | - Deyse C. Vallim
- Laboratory of Bacterial Zoonoses, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 21040-360 Rio de Janeiro, RJ, Brazil; (D.C.V.)
| | - Rodrigo C.L. Pereira
- Laboratory of Bacterial Zoonoses, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 21040-360 Rio de Janeiro, RJ, Brazil; (D.C.V.)
| | - Adelino Cunha Neto
- College of Nutrition, Federal University of Mato Grosso, 78060-900 Cuiabá, MT, Brazil (F.T.C.); (A.C.N.)
| | - Bruno S. Vieira
- College of Animal Science, Federal Institute of Education, Science and Technology of Mato Grosso, 78580-000 Alta Floresta, MT, Brazil
- Correspondence: (B.S.V.); (E.E.S.F.); Tel.: +55-66-3512-7000 (B.S.V.); +55-65-3615-8811 (E.E.S.F.)
| | - Ricardo C.T. Carvalho
- College of Nutrition, Federal University of Mato Grosso, 78060-900 Cuiabá, MT, Brazil (F.T.C.); (A.C.N.)
| | - Eduardo E.S. Figueiredo
- College of Nutrition, Federal University of Mato Grosso, 78060-900 Cuiabá, MT, Brazil (F.T.C.); (A.C.N.)
- Correspondence: (B.S.V.); (E.E.S.F.); Tel.: +55-66-3512-7000 (B.S.V.); +55-65-3615-8811 (E.E.S.F.)
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Kayode AJ, Igbinosa EO, Okoh AI. Overview of listeriosis in the Southern African Hemisphere—Review. J Food Saf 2019. [DOI: 10.1111/jfs.12732] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Adeoye J. Kayode
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and MicrobiologyUniversity of Fort Hare Alice South Africa
- SAMRC Microbial Water Quality Monitoring CenterUniversity of Fort Hare Alice South Africa
| | - Etinosa O. Igbinosa
- Department of Microbiology, Faculty of Life SciencesPrivate Mail Bag 1154, University of Benin Benin City Nigeria
| | - Anthony I. Okoh
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and MicrobiologyUniversity of Fort Hare Alice South Africa
- SAMRC Microbial Water Quality Monitoring CenterUniversity of Fort Hare Alice South Africa
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