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Gana J, Gcebe N, Moerane R, Ngoshe YB, Moabelo K, Adesiyun AA. Detection of Pathogenic Serogroups and Virulence Genes in Listeria monocytogenes Strains Isolated from Beef and Beef Products Retailed in Gauteng Province, South Africa, Using Phenotypic and Polymerase Chain Reaction (PCR)-Based Methods. Int J Microbiol 2024; 2024:8891963. [PMID: 38510936 PMCID: PMC10954364 DOI: 10.1155/2024/8891963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/27/2024] [Accepted: 02/28/2024] [Indexed: 03/22/2024] Open
Abstract
South Africa recently (2017-18) experienced the largest outbreak of human listeriosis in the world caused by L. monocytogenes following the consumption of "polony," a ready-to-eat meat product. Most (59%) cases originated from Gauteng province, South Africa. As a follow-up study to the outbreak, we used standard bacteriological and molecular methods to determine the prevalence of pathogenic and virulent serogroups of L. monocytogenes in various beef and beef products retailed in Gauteng province, South Africa. The overall prevalence of Listeria spp. was 28% (112/400), comprising Listeria monocytogenes (9.3%), Listeria innocua (16.3%), and Listeria welshimeri (2.5%) (p < 0.001). It is crucial to have detected that the region (p=0.036), type of product (p=0.032), and temperature at storage (p=0.011) significantly affected the occurrence of L. monocytogenes in beef products. It is alarming that pathogenic serogroups 4b-4d-4e (51.4%) and 1/2a-3a (43.2%) were detected among the isolates of L. monocytogenes. Importantly, they were all carriers of seven virulence-associated genes (hlyA, inlB, plcA, iap, inlA, inlC, and inlJ). Our study also demonstrated that 16.7% of "polony" samples investigated were contaminated with L. monocytogenes. Considering that pathogenic and virulent L. monocytogenes contaminated beef and beef products retailed in South Africa, the food safety risk posed to consumers remains and cannot be ignored. Therefore, it is imperative to reduce the contamination of these products with L. monocytogenes during beef production, processing, and retailing to avoid future outbreaks of human listeriosis in the country.
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Affiliation(s)
- James Gana
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, Pretoria 0110, South Africa
- Department of Agricultural Education, School of Vocational Education, Federal College of Education, P.M.B. 39, Kontagora, Niger, Nigeria
| | - Nomakorinte Gcebe
- Bacteriology Department, Onderstepoort Veterinary Research, Agricultural Research Council, Pretoria, South Africa
| | - Rebone Moerane
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, Pretoria 0110, South Africa
| | - Yusuf B. Ngoshe
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, Pretoria 0110, South Africa
| | - Khomotso Moabelo
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, Pretoria 0110, South Africa
| | - Abiodun A. Adesiyun
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, Pretoria 0110, South Africa
- School of Veterinary Medicine, Faculty of Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
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2
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Grigore-Gurgu L, Bucur FI, Mihalache OA, Nicolau AI. Comprehensive Review on the Biocontrol of Listeria monocytogenes in Food Products. Foods 2024; 13:734. [PMID: 38472848 DOI: 10.3390/foods13050734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/14/2024] Open
Abstract
Listeria monocytogenes is a foodborne pathogen that causes listeriosis, a group of human illnesses that appear more frequently in countries with better-developed food supply systems. This review discusses the efficacy of actual biocontrol methods combined with the main types of food involved in illnesses. Comments on bacteriophages, lactic acid bacteria, bacteriocins, essential oils, and endolysins and derivatives, as main biological antilisterial agents, are made bearing in mind that, using them, food processors can intervene to protect consumers. Both commercially available antilisterial products and solutions presented in scientific papers for mitigating the risk of contamination are emphasized. Potential combinations between different types of antilisterial agents are highlighted for their synergic effects (bacteriocins and essential oils, phages and bacteriocins, lactic acid bacteria with natural or synthetic preservatives, etc.). The possibility to use various antilisterial biological agents in active packaging is also presented to reveal the diversity of means that food processors may adopt to assure the safety of their products. Integrating biocontrol solutions into food processing practices can proactively prevent outbreaks and reduce the occurrences of L. monocytogenes-related illnesses.
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Affiliation(s)
- Leontina Grigore-Gurgu
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
| | - Florentina Ionela Bucur
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
| | - Octavian Augustin Mihalache
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Anca Ioana Nicolau
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
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3
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Tirloni E, Centorotola G, Pomilio F, Torresi M, Bernardi C, Stella S. Listeria monocytogenes in ready-to-eat (RTE) delicatessen foods: Prevalence, genomic characterization of isolates and growth potential. Int J Food Microbiol 2024; 410:110515. [PMID: 38064894 DOI: 10.1016/j.ijfoodmicro.2023.110515] [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: 09/12/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 12/29/2023]
Abstract
This study investigated Listeria monocytogenes prevalence and count in 132 ready-to-eat (RTE) delicatessen samples belonging to different categories (starters with/without mayonnaise pasta/rice-based courses, meat/fish-based main courses) produced by an Italian industry. Whole Genome Sequencing characterized the isolates to map the pathogen circulation. Moreover, the growth potential of L. monocytogenes in the most contaminated product was investigated by a challenge test. L. monocytogenes was detected in 23 samples, giving an estimated prevalence of 17.4 %. Starters with mayonnaise showed a very high prevalence (56.7 %), showing the role of the sauce in the diffusion of the pathogen within the plant. A total of 49 isolates were obtained; they belonged to two different serogroups, IIb and IIa, and were related to two clonal complexes (CCs) and sequence types (STs) (CC288-ST330 and CC121-ST717), suggesting the possible persistence and circulation of the pathogen within the plant. The results of the challenge test showed a limited ability to grow in the selected product thanks to the presence of lactic microflora.
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Affiliation(s)
- E Tirloni
- Department of Veterinary Medicine and Animal Sciences, University of Milan, via dell'Università 6, 26900 Lodi, Italy.
| | - G Centorotola
- IZSAM, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, via Campo Boario, Teramo 64100, Italy
| | - F Pomilio
- IZSAM, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, via Campo Boario, Teramo 64100, Italy
| | - M Torresi
- IZSAM, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, via Campo Boario, Teramo 64100, Italy
| | - C Bernardi
- Department of Veterinary Medicine and Animal Sciences, University of Milan, via dell'Università 6, 26900 Lodi, Italy
| | - S Stella
- Department of Veterinary Medicine and Animal Sciences, University of Milan, via dell'Università 6, 26900 Lodi, Italy
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4
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Meza-Bone GA, Meza Bone JS, Cedeño Á, Martín I, Martín A, Maddela NR, Córdoba JJ. Prevalence of Listeria monocytogenes in RTE Meat Products of Quevedo (Ecuador). Foods 2023; 12:2956. [PMID: 37569226 PMCID: PMC10418838 DOI: 10.3390/foods12152956] [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: 05/13/2023] [Revised: 06/21/2023] [Accepted: 06/28/2023] [Indexed: 08/13/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen that causes listeriosis and can be a problem in areas where meat products are sold at unregulated storage temperatures. In this work, the prevalence of L. monocytogenes was determined in the five most widely traded meat products in the province of Quevedo (Ecuador): bacon, "chorizo paisa", grilled hamburger meat, mortadella, and salami. A total of 1000 samples of these products were analyzed in two seasons of the year (dry season/rainy season). All L. monocytogenes isolates were confirmed by PCR with primers designed for the iap gene. Furthermore, the positive samples were quantified for L. monocytogenes. Of the 1000 meat products analyzed, 163 were positive for L. monocytogenes (16.3%). The prevalence of L. monocytogenes in the two seasons in different meat products was as follows: 22.5% in mortadella, 19% in hamburger meat, 15% in bacon, 14.5% in chorizo paisa and 10.5% in salami. In addition, the concentration of L. monocytogenes in most of the positive samples was in the range of 4-6 log CFU/g or even higher. The results show the need for improvements in the hygienic measures and meat storage temperatures in Quevedo (Ecuador) to avoid risks of foodborne listeriosis.
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Affiliation(s)
- Gary Alex Meza-Bone
- Ruminology Laboratory, Faculty of Animal and Biological Sciences, State Technical University of Quevedo, Quevedo 120301, Ecuador;
| | | | - Ángel Cedeño
- Biotechnology Laboratory, Microbiology, Science and Technology Research Department, State Technical University of Quevedo, Quevedo 120301, Ecuador;
| | - Irene Martín
- Higiene y Seguridad Alimentaria, Instituto Universitario de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, 10003 Cáceres, Spain; (I.M.); (J.J.C.)
| | - Alberto Martín
- Higiene y Seguridad Alimentaria, Instituto Universitario de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, 10003 Cáceres, Spain; (I.M.); (J.J.C.)
| | - Naga Raju Maddela
- Department of Biological Sciences, Faculty of Health Sciences, Technical University of Manabí, Portoviejo 130103, Ecuador;
| | - Juan J. Córdoba
- Higiene y Seguridad Alimentaria, Instituto Universitario de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, 10003 Cáceres, Spain; (I.M.); (J.J.C.)
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Moabelo KC, Gcebe N, Gana J, Ngoshe YB, Adesiyun AA. Contamination of beef and beef products by
Listeria
spp. and molecular characterization of
L. monocytogenes
in Mpumalanga, South Africa. J Food Saf 2023. [DOI: 10.1111/jfs.13055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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6
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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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7
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Mazaheri T, Cervantes-Huamán B, Turitich L, Ripolles-Avila C, Rodríguez-Jerez J. Removal of Listeria monocytogenes biofilms on stainless steel surfaces through conventional and alternative cleaning solutions. Int J Food Microbiol 2022; 381:109888. [DOI: 10.1016/j.ijfoodmicro.2022.109888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 08/16/2022] [Accepted: 08/22/2022] [Indexed: 10/31/2022]
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8
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Cho HY, Lee JE, Lee JH, Ahn DU, Kim KT, Paik HD. Anti-biofilm effect of egg white ovotransferrin and its hydrolysates against Listeria monocytogenes. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Liu S, He X, Zhang T, Zhao K, Xiao C, Tong Z, Jin L, He N, Deng Y, Li S, Guo Y, Chen Z. Highly sensitive smartphone-based detection of Listeria monocytogenes using SYTO9. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.11.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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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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12
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Kokkoni EA, Andritsos N, Sakarikou C, Michailidou S, Argiriou A, Giaouris E. Investigating Transcriptomic Induction of Resistance and/or Virulence in Listeria monocytogenes Cells Surviving Sublethal Antimicrobial Exposure. Foods 2021; 10:foods10102382. [PMID: 34681431 PMCID: PMC8535302 DOI: 10.3390/foods10102382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 09/26/2021] [Accepted: 10/05/2021] [Indexed: 01/06/2023] Open
Abstract
The potential transcriptomic induction of resistance and/or virulence in two L. monocytogenes strains belonging to the most frequent listeriosis-associated serovars (i.e., 1/2a and 4b), following their sublethal antimicrobial exposure, was studied through qPCR determination of the relative expression of 10 selected related genes (i.e., groEL, hly, iap, inlA, inlB, lisK, mdrD, mdrL, prfA, and sigB). To induce sublethal stress, three common antimicrobials (i.e., benzalkonium chloride, thymol, and ampicillin) were individually applied for 2 h at 37 °C against stationary phase cells of each strain, each at a sublethal concentration. In general, the expression of most of the studied genes remained either stable or was significantly downregulated following the antimicrobial exposure, with some strain-specific differences to be yet recorded. Thymol provoked downregulation of most of the studied genes, significantly limiting the expression of 6/10 and 4/10 genes in the strains of ser. 1/2a and ser. 4b, respectively, including those coding for the master regulators of stress response and virulence (SigB and PrfA, respectively), in both strains. At the same time, the two genes coding for the invasion internalin proteins (InlA and InlB), with crucial role in the onset of L. monocytogenes pathogenesis, were both importantly upregulated in ser. 4b strain. The results obtained increase our knowledge of the stress physiology of L. monocytogenes under certain sublethal antimicrobial conditions that could be encountered within the food chain and in clinical settings, and may assist in better and more effective mitigation strategies.
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Affiliation(s)
- Eleni-Anna Kokkoni
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
| | - Nikolaos Andritsos
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
- Athens Analysis Laboratories S.A., Microbiology Laboratory, Nafpliou 29, 14452 Metamorfosi, Greece
| | - Christina Sakarikou
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
| | - Sofia Michailidou
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
- Centre for Research and Technology Hellas (CERTH), Institute of Applied Biosciences, 57001 Thessaloniki, Greece
| | - Anagnostis Argiriou
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
- Centre for Research and Technology Hellas (CERTH), Institute of Applied Biosciences, 57001 Thessaloniki, Greece
| | - Efstathios Giaouris
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Ierou Lochou 10 & Makrygianni, 81400 Myrina, Greece; (E.-A.K.); (N.A.); (C.S.); (S.M.); (A.A.)
- Correspondence: ; Tel.: +30-22540-83115
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13
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Andriyanov PA, Zhurilov PA, Liskova EA, Karpova TI, Sokolova EV, Yushina YK, Zaiko EV, Bataeva DS, Voronina OL, Psareva EK, Tartakovsky IS, Kolbasov DV, Ermolaeva SA. Antimicrobial Resistance of Listeria monocytogenes Strains Isolated from Humans, Animals, and Food Products in Russia in 1950-1980, 2000-2005, and 2018-2021. Antibiotics (Basel) 2021; 10:antibiotics10101206. [PMID: 34680788 PMCID: PMC8532776 DOI: 10.3390/antibiotics10101206] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/04/2022] Open
Abstract
Susceptibility of 117 L. monocytogenes strains isolated during three time periods (1950–1980; 2000–2005, and 2018–2021) to 23 antibiotics was tested by the disk diffusion method. All strains were sensitive to aminoglycosides (gentamicin, kanamycin, neomycin, streptomycin), glycopeptides (vancomycin and teicoplanin), clarithromycin, levofloxacin, amoxicillin/clavulanic acid, and trimethoprim/sulfamethoxazole. Resistance to clindamycin was observed in 35.5% of strains. Resistance to carbapenems, imipenem and meropenem was found in 4% and 5% of strains, respectively. Resistance to erythromycin, penicillin G, trimethoprim, and ciprofloxacin was found in 4%, 3%, 3%, and 2.5% of strains, respectively. Resistance to tylosin, ampicillin, enrofloxacin, linezolid, chloramphenicol, and tetracycline was found in less than 2%. Three strains with multiple antibiotic resistance and 12 strains with resistance to two antibiotics were revealed. Comparison of strains isolated in different time periods showed that the percentage of resistant strains was the lowest among strains isolated before 1980, and no strains with multiple antibiotic resistance were found among them. Statistical analysis demonstrated that the temporal evolution of resistance in L. monocytogenes has an antibiotic-specific character. While resistance to some antibiotics such as ampicillin and penicillin G has gradually decreased in the population, resistance to other antibiotics acquired by particular strains in recent years has not been accompanied by changes in resistance of other strains.
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Affiliation(s)
- Pavel A. Andriyanov
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
| | - Pavel A. Zhurilov
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
| | - Elena A. Liskova
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
| | - Tatyana I. Karpova
- Gamaleya National Research Centre for Epidemiology and Microbiology, 123098 Moscow, Russia; (T.I.K.); (O.L.V.); (I.S.T.)
| | - Elena V. Sokolova
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
| | - Yulia K. Yushina
- Federal Scientific Centre for Food Systems n.a. V.M. Gorbatov, 109316 Moscow, Russia; (Y.K.Y.); (E.V.Z.); (D.S.B.)
| | - Elena V. Zaiko
- Federal Scientific Centre for Food Systems n.a. V.M. Gorbatov, 109316 Moscow, Russia; (Y.K.Y.); (E.V.Z.); (D.S.B.)
| | - Dagmara S. Bataeva
- Federal Scientific Centre for Food Systems n.a. V.M. Gorbatov, 109316 Moscow, Russia; (Y.K.Y.); (E.V.Z.); (D.S.B.)
| | - Olga L. Voronina
- Gamaleya National Research Centre for Epidemiology and Microbiology, 123098 Moscow, Russia; (T.I.K.); (O.L.V.); (I.S.T.)
| | - Ekaterina K. Psareva
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
| | - Igor S. Tartakovsky
- Gamaleya National Research Centre for Epidemiology and Microbiology, 123098 Moscow, Russia; (T.I.K.); (O.L.V.); (I.S.T.)
| | - Denis V. Kolbasov
- Federal Research Center for Virology and Microbiology, 601125 Volginsky, Russia;
| | - Svetlana A. Ermolaeva
- Federal Research Center for Virology and Microbiology, Branch in Nizhny Novgorod, 603950 Nizhny Novgorod, Russia; (P.A.A.); (P.A.Z.); (E.A.L.); (E.V.S.); (E.K.P.)
- Gamaleya National Research Centre for Epidemiology and Microbiology, 123098 Moscow, Russia; (T.I.K.); (O.L.V.); (I.S.T.)
- Correspondence: ; Tel.: +7-909-939-9612
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14
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Tenderis B, Kılıç B, Yalçın H, Şimşek A. Controlling growth of Listeria monocytogenes and Pseudomonas fluorescens in thermally processed ground beef by sodium lactate, encapsulated or unencapsulated polyphosphates incorporation. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111169] [Citation(s) in RCA: 3] [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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15
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Kostoglou D, Tsaklidou P, Iliadis I, Garoufallidou N, Skarmoutsou G, Koulouris I, Giaouris E. Advanced Killing Potential of Thymol against a Time and Temperature Optimized Attached Listeria monocytogenes Population in Lettuce Broth. Biomolecules 2021; 11:397. [PMID: 33800308 PMCID: PMC7998208 DOI: 10.3390/biom11030397] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/10/2021] [Accepted: 03/04/2021] [Indexed: 12/27/2022] Open
Abstract
Fresh vegetables and salads are increasingly implicated in outbreaks of foodborne infections, such as those caused by Listeria monocytogenes, a dangerous pathogen that can attach to the surfaces of the equipment creating robust biofilms withstanding the killing action of disinfectants. In this study, the antimicrobial efficiency of a natural plant terpenoid (thymol) was evaluated against a sessile population of a multi-strain L. monocytogenes cocktail developed on stainless steel surfaces incubated in lettuce broth, under optimized time and temperature conditions (54 h at 30.6 °C) as those were determined following response surface modeling, and in comparison, to that of an industrial disinfectant (benzalkonium chloride). Prior to disinfection, the minimum bactericidal concentrations (MBCs) of each compound were determined against the planktonic cells of each strain. The results revealed the advanced killing potential of thymol, with a concentration of 625 ppm (= 4 × MBC) leading to almost undetectable viable bacteria (more than 4 logs reduction following a 15-min exposure). For the same degree of killing, benzalkonium chloride needed to be used at a concentration of at least 20 times more than its MBC (70 ppm). Discriminative repetitive sequence-based polymerase chain reaction (rep-PCR) also highlighted the strain variability in both biofilm formation and resistance. In sum, thymol was found to present an effective anti-listeria action under environmental conditions mimicking those encountered in the salad industry and deserves to be further explored to improve the safety of fresh produce.
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Affiliation(s)
| | | | | | | | | | | | - Efstathios Giaouris
- Laboratory of Food Microbiology and Hygiene, Department of Food Science and Nutrition, School of the Environment, University of the Aegean, 81400 Myrina, Lemnos, Greece; (D.K.); (P.T.); (I.I.); (N.G.); (G.S.); (I.K.)
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16
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Maćkiw E, Korsak D, Kowalska J, Felix B, Stasiak M, Kucharek K, Postupolski J. Incidence and genetic variability of Listeria monocytogenes isolated from vegetables in Poland. Int J Food Microbiol 2020; 339:109023. [PMID: 33341686 DOI: 10.1016/j.ijfoodmicro.2020.109023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023]
Abstract
The aim of the present study is to investigate the prevalence and genetic diversity of Listeria monocytogenes in various fresh and frozen vegetable products available in Poland. The samples were collected at retail market within the framework of national official control and monitoring program. In the years 2016-2019 a total of 49 samples out of 8712 collected vegetable samples were positive for L. monocytogenes. Our findings demonstrated that the occurrence of L. monocytogenes in various vegetable products was generally low, on average only 0.56% in the studied years. All isolates were susceptible to 11 antimicrobial agents: penicillin, ampicillin, meropenem, erythromycin, sulfamethoxazole-trimethoprim, amoxicillin-clavulanic acid, ciprofloxacin, chloramphenicol, gentamicin, vancomycin, and tetracycline. All of them harbored virulence-associated genes (inlA, inlC, and lmo2672), 82% harbored inlJ gene and few of them (22%) also possessed the llsX gene. The majority of collected isolates (65%) belonged to molecular serogroup 1/2a-3a, followed by 4ab-4b-4d-4e (33%), and only one to serogroup 1/2b-3b-7 (2%). Isolates yielded 18 different restriction profiles, revealing a large cluster of contamination linked to frozen corn (21 strains) and distributed in 3 pulsotypes. MLST analysis classified selected isolates into nine clonal complexes (CCs). The obtained results contribute to characterizing the diversity of L. monocytogenes isolated from various vegetable products in Poland and their impact on food safety and public health.
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Affiliation(s)
- Elżbieta Maćkiw
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland.
| | - Dorota Korsak
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
| | - Joanna Kowalska
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
| | - Benjamin Felix
- European Union Reference Laboratory for L. monocytogenes, ANSES, Laboratory for Food Safety, University of Paris-Est, 94700 Maisons-Alfort, France
| | - Monika Stasiak
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
| | - Katarzyna Kucharek
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
| | - Jacek Postupolski
- Department of Food Safety, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
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