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Costa JCCP, Bolívar A, Alberte TM, Zurera G, Pérez-Rodríguez F. Listeria monocytogenes in aquatic food products: Spotlight on epidemiological information, bio-based mitigation strategies and predictive approaches. Microb Pathog 2024:106981. [PMID: 39349150 DOI: 10.1016/j.micpath.2024.106981] [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: 05/16/2024] [Revised: 09/16/2024] [Accepted: 09/24/2024] [Indexed: 10/02/2024]
Abstract
Listeria monocytogenes is the foodborne pathogen responsible for listeriosis in humans. Its ability to grow at refrigeration temperatures, particularly in products that support its growth and have a long-refrigerated shelf-life, poses a significant health risk, especially for vulnerable consumer groups such as pregnant woman and immunocompromised individuals. A comprehensive analysis of L. monocytogenes in aquatic food products (AFPs) was conducted, examining the prevalence of the bacterium, the associated outbreaks, and the resulting deaths. Data from 66 studies, comprising a total of 19,373 samples, were analysed from the scientific literature to determine prevalence of the pathogen. The mean pooled prevalence of L. monocytogenes was 11% (95% CI: 8-14%) among different AFPs categories. Additionally, an overview of worldwide listeriosis outbreaks associated with contaminated AFPs between 1980 and 2023 was provided, totalling 1,824 cases, including 41 deaths. Furthermore, a compilation of bio-based mitigation strategies was presented, including the use of lactic acid bacteria (LAB) and bacteriophages as bio-protective cultures to inhibit L. monocytogenes in AFPs. A variety of predictive microbiology models, based on growth prediction and interaction for Listeria, were reviewed to assess the effectiveness of control strategies in different types of AFPs, offering insights into pathogen behaviour throughout the production chain. The reported growth models described the impact of product storage temperature on pathogen growth parameters, while interaction models, based on the inhibitory effect of LAB presence against Listeria, were described using the Jameson-effect approach and Lotka-Volterra model (i.e., predator-prey model). Both models can be used to describe the simultaneous growth of two bacterial populations and their interactions. Several Quantitative Risk assessment studies have been conducted for AFP, identifying the food category as a relevant contributor in Listeriosis risk, and providing predictive insight into how storage temperature, food microbiota, product shelf-life and population aging influence the risk by L. monocytogenes. More importantly, this quantitative approach can serve as a key tool to assess the effectiveness of specific mitigation and intervention strategies to control the pathogen, such as sampling schemes or bio-preservation techniques.
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Affiliation(s)
- Jean Carlos Correia Peres Costa
- Department of Food Science and Technology, UIC Zoonosis y Enfermedades Emergentes ENZOEM, ceiA3, Universidad de Córdoba, 14014, Córdoba, Spain.
| | - Araceli Bolívar
- Department of Food Science and Technology, UIC Zoonosis y Enfermedades Emergentes ENZOEM, ceiA3, Universidad de Córdoba, 14014, Córdoba, Spain
| | - Tânia Maria Alberte
- Department of Food Engineering, Campus de Ariquemes, Federal University of Rondônia, 76872-848, Ariquemes, Brazil
| | - Gonzalo Zurera
- Department of Food Science and Technology, UIC Zoonosis y Enfermedades Emergentes ENZOEM, ceiA3, Universidad de Córdoba, 14014, Córdoba, Spain
| | - Fernando Pérez-Rodríguez
- Department of Food Science and Technology, UIC Zoonosis y Enfermedades Emergentes ENZOEM, ceiA3, Universidad de Córdoba, 14014, Córdoba, Spain
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Zhang P, Ji L, Wu X, Chen L, Yan W, Dong F. Prevalence, Genotypic Characteristics, and Antibiotic Resistance of Listeria monocytogenes From Retail Foods in Huzhou, China. J Food Prot 2024; 87:100307. [PMID: 38797247 DOI: 10.1016/j.jfp.2024.100307] [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: 02/20/2024] [Revised: 05/21/2024] [Accepted: 05/21/2024] [Indexed: 05/29/2024]
Abstract
Listeria monocytogenes are considered to be the major foodborne pathogen worldwide. To understand the prevalence and potential risk of L. monocytogenes in retail foods, a total of 1243 retail foods in 12 food categories were sampled and screened for L. monocytogenes from 2020 to 2022 in Huzhou, China. A total of 46 out of 1234 samples were confirmed to be L. monocytogenes positive with a total rate of 3.7%. The contamination rate of seasoned raw meat (15.2%) was the highest, followed by raw poultry meat and raw livestock meat (9.9%) and salmon sashimi (9.5%). The L. monocytogenes isolates belonged to four serotypes, 1/2a,1/2b, 1/2c, and 4b, with the most prevalent serotype being 1/2a (47.9%). All isolates were grouped into 15 sequence types (STs) belonging to 14 clonal complexes (CCs) via multilocus sequence typing (MLST). The most prevalent ST was ST9/CC9 (23.9%), followed by ST3/CC3 (19.6%) and ST121/CC121 (17.4%). Notably, 11 STs were detected from ready-to-eat (RTE) foods, some of them have been verified to be strongly associated with clinical origin listeriosis cases, such as ST3, ST2, ST5, ST8, and ST87. Listeria pathogenicity islands 1 (LIPI-1) and LIPI-2 were detected in approximately all L. monocytogenes isolates, whereas the distribution of both LIPI-3 genes and LIPI-4 genes exhibited association with specific ST, with LIPI-3 in ST3 and ST288, and LIPI-4 in ST87. The strains carrying LIPI-3 and LIPI-4 virulence genes in this study were all isolated from RTE foods. Antimicrobial susceptibility tests showed that >90% of isolates were susceptible to PEN, AMP, ERY, CIP, SXT, VAN, CHL, and GEN, indicating the antibiotic treatment might be still efficient for most of the L. monocytogenes strains. However, for the three clinical first-line antibiotics (PEN, AMP, and GEN), we also observed three and four strains showing MIC values greater than the susceptibility standards for PEN and AMP, respectively, and one strain showing resistance to GEN.
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Affiliation(s)
- Peng Zhang
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
| | - Lei Ji
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
| | - Xiaofang Wu
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
| | - Liping Chen
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
| | - Wei Yan
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
| | - Fenfen Dong
- Huzhou Center for Disease Control and Prevention, Huzhou 313000, China.
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Liu TP, Lin LC, Chang SC, Ou YH, Lu JJ. Molecular Characteristics and Virulence Profile of Clinical Listeria monocytogenes Isolates in Northern Taiwan, 2009-2019. Foodborne Pathog Dis 2024; 21:386-394. [PMID: 38346310 DOI: 10.1089/fpd.2023.0136] [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: 06/27/2024] Open
Abstract
Listeria monocytogenes is a critical foodborne pathogen that causes severe invasive and noninvasive diseases and is associated with high mortality. Information on the prevalence of L. monocytogenes infections in Taiwan is very limited. This study aimed to analyze the molecular epidemiological surveillance and virulence gene distribution of 176 human clinical L. monocytogenes isolates collected between 2009 and 2019 in northern Taiwan. Our results showed that the isolates belonged to 4 serogroups (IIa, IIb, IVb, and IIc), with most isolates in serogroups IIa (81/176, 46%) and IIb (71/176, 40.3%). Multilocus sequence typing analysis revealed 18 sequence types (STs) and 13 clonal complexes (CCs). Eighty-four percent of all isolates belonged to six STs: CC87-ST87 (40/176, 22.7%), CC19-ST378 (36/176, 19.9%), CC155-ST155 (28/176, 15.5%), CC1-ST710 (16/176, 8.8%), CC5-ST5 (16/176, 8.8%), and CC101-ST101 (11/176, 6.1%). Furthermore, our analysis showed the distributions of four Listeria pathogenicity islands (LIPI) among all isolates. LIPI-1 and LIPI-2 existed in all isolates, whereas LIPI-3 and LIPI-4 only existed in specific STs and CCs. LIPI-3 existed in the STs, CC1-ST710, CC3-ST3, CC288-ST295, and CC191-ST1458, whereas LIPI-4 could be found in the STs, CC87-ST87 and CC87-ST1459. Strains containing LIPI-3 and LIPI-4 are potentially hypervirulent; thus, 68/176 isolates (39.1%) collected in this study were potentially hypervirulent. Since L. monocytogenes infections are considered highly correlated with diet, molecular epidemiological surveillance of Listeria in food is important; continued surveillance will provide critical information to prevent foodborne diseases.
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Affiliation(s)
- Tsui-Ping Liu
- Infectious Control Office, Tao-Yuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan
- Department of Laboratory Medicine, Tao-Yuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan
| | - Lee-Chung Lin
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Shih-Cheng Chang
- Department of Medical Laboratory, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Yu-Hsiang Ou
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Jang-Jih Lu
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
- Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Guel-García P, García De León FJ, Aguilera-Arreola G, Mandujano A, Mireles-Martínez M, Oliva-Hernández A, Cruz-Hernández MA, Vasquez-Villanueva J, Rivera G, Bocanegra-García V, Martínez-Vázquez AV. Prevalence and Antimicrobial Resistance of Listeria monocytogenes in Different Raw Food from Reynosa, Tamaulipas, Mexico. Foods 2024; 13:1656. [PMID: 38890883 PMCID: PMC11171905 DOI: 10.3390/foods13111656] [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: 04/24/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Listeria (L.) monocytogenes is an opportunistic foodborne pathogen that causes listeriosis in humans and animals, reaching up to 30% case mortality. There are only a few reports in Mexico about the L. monocytogenes strains found in various foods. The aim of this study was to determine the prevalence of L. monocytogenes, serogroups, virulence genes, and antimicrobial resistance in different foods from Reynosa, Tamaulipas, Mexico. L. monocytogenes strains were characterized by microbiological and molecular methods. Susceptibility to 12 antibiotics was determined according to CLSI and EUCAST. A total of 300 samples of seafood, pasteurized and raw milk, cheese, beef, and chicken were collected from supermarkets and retail markets. The presence of L. monocytogenes was detected in 5.6% of the samples. Most strains belonged to serogroups 4b, 4d, and 4e (68.4%). All strains presented a minimum of four virulence genes; the most common were actA, hly, and plcB (92.1%). A high percentage of antimicrobial susceptibility was observed, with resistance only to STX-TMP (78.9%), STR (26.3%), MEM (21.0%), and E (2.6%). These results show that the foods in Reynosa, Tamaulipas, are a reservoir of L. monocytogenes and represent a potential health risk.
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Affiliation(s)
- Paulina Guel-García
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Francisco Javier García De León
- Laboratorio de Genética para la Conservación, Centro de Investigaciones Biológicas del Noroeste, S.C., La Paz C.P. 23090, Baja California Sur, Mexico;
| | - Guadalupe Aguilera-Arreola
- Laboratorio de Bacteriología Medica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México City C.P. 11340, Mexico;
| | - Antonio Mandujano
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Maribel Mireles-Martínez
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Amanda Oliva-Hernández
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - María Antonia Cruz-Hernández
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Jose Vasquez-Villanueva
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Ciudad Victoria C.P. 87274, Tamaulipas, Mexico;
| | - Gildardo Rivera
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Virgilio Bocanegra-García
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
| | - Ana Verónica Martínez-Vázquez
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa C.P. 88710, Tamaulipas, Mexico; (P.G.-G.); (A.M.); (M.M.-M.); (A.O.-H.); (M.A.C.-H.); (G.R.); (V.B.-G.)
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Tricoli MR, Massaro C, Arrigo I, Diquattro O, Di Bernardo F, Galia E, Palermo M, Fasciana T, Giammanco A. Characterization of Listeria monocytogenes Strains Isolated in Palermo (Sicily and Italy) during the Years 2018-2020 from Severe Cases of Listeriosis. Antibiotics (Basel) 2024; 13:57. [PMID: 38247616 PMCID: PMC10812810 DOI: 10.3390/antibiotics13010057] [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: 11/03/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
Listeria monocytogenes (LM), the etiological agent of listeriosis, can cause foodborne zoonosis. In this study, we characterized 23 strains that caused human severe listeriosis in Palermo (Sicily, Italy) during the period of 2018-2020. In addition, we assessed the phenotypic susceptibility of clinical isolates to antibiotics in accordance with EUCAST guidelines. The serogroup was determined through the use of PCR, while MLST and MVLST were identified through the sequencing of housekeeping genes. Finally, susceptibility to antibiotics was assessed by means of the Phoenix automatic system. Patients hospitalized with listeriosis were predominantly males (56% vs. 44% of females). The cases not associated with pregnancy included patients >65 years of age (60%), two of whom were affected by cancer, while cases associated with pregnancy included two pregnant women and three preterm infants. The data collected showed that the main pathologies shown by patients were meningitis (60.9%) and bacteremia (39.1%). The LM strains were isolated from the blood (52%), cerebrospinal fluid (26%), cerebrospinal fluid + blood (13%), blood + a nasal swab (4%), and ascitic fluid (4%). The predominant serogroup was IVb (96%), whereas only one strain belonged to serogroup IIa (4%). Among the strains with serotypes 4b, 4d, and 4e, ST2/VT21 (92%) and ST6/VT19 (4%) were determined, while only isolates with serotypes 1/2a and3a show ST155/VT45 (CC155). This study reveals the widespread circulation of a clinical strain (ST2/VT21) associated with suspected food contamination, demonstrating the importance of carrying out molecular epidemiological surveillance. Our clinical isolates were susceptible to the beta-lactams assayed, in agreement with the literature data.
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Affiliation(s)
- Maria Rita Tricoli
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
| | - Chiara Massaro
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
| | - Ignazio Arrigo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
| | - Orazia Diquattro
- Laboratory of Microbiology, A. O. Ospedali Riuniti “Villa Sofia-Cervello”, 90100 Palermo, Italy;
| | - Francesca Di Bernardo
- Department of Microbiology and Virology, National Relevance and High Specialization Hospital Trust ARNAS Civico, Di Cristina, Benfratelli, 90127 Palermo, Italy;
| | - Elena Galia
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
| | - Mario Palermo
- Sicilian Health Department, Public Health and Environmental Risks Service, 90127 Palermo, Italy
| | - Teresa Fasciana
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
| | - Anna Giammanco
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialities, University of Palermo, 90127 Palermo, Italy (A.G.)
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Hong S, Moon JS, Yoon SS, Kim HY, Lee YJ. Genetic and Phenotypic Diversity of Listeria monocytogenes in Pig Slaughterhouses in Korea. Foodborne Pathog Dis 2024; 21:1-9. [PMID: 37819680 DOI: 10.1089/fpd.2023.0053] [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: 10/13/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen that has variable subtypes associated with human listeriosis and occurs in food and processing environments. This study was conducted to provide the genetic and phenotypic characterization of L. monocytogenes in pig carcasses and environments of slaughterhouses in Korea. A total of 22 L. monocytogenes were isolated from eight of 26 pig slaughterhouses between 2020 and 2022, and the most common serotype was 1/2c (40.9%), followed by serotypes 1/2b (31.8%) and 1/2a (27.3%). The isolates showed a significantly high prevalence of virulence genes located in Listeria pathogenicity island-1 (LIPI-1) and internalins (90.9-100%; p < 0.05). However, the prevalence rates of llsX, ptsA, and stress survival islet-1 (SSI-1) located in LIPI-3, LIPI-4, and SSI were only 9.1%, 22.7%, and 31.8%, respectively. In addition, among the epidemic clones (EC), ECI, ECII, ECIII, and ECV, only one isolate was represented as ECV. Isolates identified from the same slaughterhouses were divided into two or more pulsotypes, except for two slaughterhouses. Furthermore, the seven STs were classified into seven clonal complexes (CCs) (CC8, CC9, CC37, CC87, CC121, CC155, and CC288), and all CCs belonged to lineages I (31.8%) and II (68.1%). Interestingly, the isolates showed a high prevalence of oxacillin resistance (59.1%), and most isolates of the serotypes 1/2a and 1/2b exhibited oxacillin resistance, whereas only one of nine serotype 1/2c isolates exhibited oxacillin resistance. These results provide the genetic diversity of L. monocytogenes in pig carcasses and environments of slaughterhouses, and continuous monitoring will be helpful in predicting food safety risks.
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Affiliation(s)
- Serim Hong
- College of Veterinary Medicine and Zoonoses Research Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Jin-San Moon
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Soon-Seek Yoon
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Ha-Young Kim
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Young Ju Lee
- College of Veterinary Medicine and Zoonoses Research Institute, Kyungpook National University, Daegu, Republic of Korea
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Centorotola G, Ziba MW, Cornacchia A, Chiaverini A, Torresi M, Guidi F, Cammà C, Bowa B, Mtonga S, Magambwa P, D’Alterio N, Scacchia M, Pomilio F, Muuka G. Listeria monocytogenes in ready to eat meat products from Zambia: phenotypical and genomic characterization of isolates. Front Microbiol 2023; 14:1228726. [PMID: 37711697 PMCID: PMC10498467 DOI: 10.3389/fmicb.2023.1228726] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/17/2023] [Indexed: 09/16/2023] Open
Abstract
The contamination of ready to eat foods (RTE) products due to Listeria monocytogenes could compromise the products safety becoming a great risk for the consumers. The high presence of L. monocytogenes in RTE products has been described worldwide, but few data are available about these products from African countries. The aims of this study were to report the presence of L. monocytogenes in Zambian RTE products, providing genomic characterization and data on similarity with African circulating strains using whole genome sequencing (WGS). A total of 304 RTE products, produced by different Zambian manufacturers, were purchased at retail, from major supermarkets located in Lusaka, Zambia, comprising 130 dairy and 174 meat products. L. monocytogenes was detected only in 18 (10.3%) RTE meat products of the 174 samples tested. The MLST analysis grouped the 18 L. monocytogenes isolates in 7 clonal complexes (CCs): CC1 (n = 5), CC2 (n = 4), CC9 (n = 4), CC5 (n = 2), CC121 (n = 1), CC155 (n = 1), and CC3 (n = 1). According to the cgMLST results, several clusters were detected, in particular belonging to hyper-virulent clones CC1 and CC2. Regarding the virulence factors, a complete L. monocytogenes Pathogenicity Island 3 (LIPI-3) was present both in the CC1 and CC3, in addition to LIPI-1. Several resistance genes and mobile genetic elements were detected, including Stress Islands, the bcrABC cassette and Tn6188_qac transposon, plasmids and intact prophages. Despite being a first preliminary work with a limited number of samples and isolates, this study helped to increase existing knowledge on contaminated RTE products in Zambia, confirming the presence of hyper-virulent L. monocytogenes CCs, which could play an important role in human diseases, posing a public health concern for consumers.
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Affiliation(s)
- Gabriella Centorotola
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Maureen Wakwamba Ziba
- Central Veterinary Research Institute, Ministry of Fisheries and Livestock, Lusaka, Zambia
| | - Alessandra Cornacchia
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Alexandra Chiaverini
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Marina Torresi
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Fabrizia Guidi
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Cesare Cammà
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Benson Bowa
- Central Veterinary Research Institute, Ministry of Fisheries and Livestock, Lusaka, Zambia
| | - Samson Mtonga
- Central Veterinary Research Institute, Ministry of Fisheries and Livestock, Lusaka, Zambia
| | - Phelly Magambwa
- Central Veterinary Research Institute, Ministry of Fisheries and Livestock, Lusaka, Zambia
| | - Nicola D’Alterio
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Massimo Scacchia
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Francesco Pomilio
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Geoffrey Muuka
- Central Veterinary Research Institute, Ministry of Fisheries and Livestock, Lusaka, Zambia
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Avila-Novoa MG, González-Torres B, González-Gómez JP, Guerrero-Medina PJ, Martínez-Chávez L, Martínez-Gonzáles NE, Chaidez C, Gutiérrez-Lomelí M. Genomic Insights into Listeria monocytogenes: Organic Acid Interventions for Biofilm Prevention and Control. Int J Mol Sci 2023; 24:13108. [PMID: 37685913 PMCID: PMC10487766 DOI: 10.3390/ijms241713108] [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: 07/24/2023] [Revised: 08/15/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
Listeria monocytogenes is an important pathogen that has been implicated in foodborne illness. The aim of the present study was to investigate the diversity of virulence factors associated with the mechanisms of pathogenicity, persistence, and formation of biofilm L. monocytogenes by tandem analysis of whole-genome sequencing. The lineages that presented L. monocytogenes (LmAV-2, LmAV-3, and LmAV-6) from Hass avocados were lineages I and II. Listeria pathogenicity island 1 (LIPI-1) and LIPI-2 were found in the isolates, while LIPI-3 and Listeria genomic island (LGI-2) only was in IIb. Stress survival island (SSI-1) was identified in lineage I and II. In the in silico analysis, resistance genes belonging to several groups of antibiotics were detected, but the bcrABC and transposon Tn6188 related to resistance to quaternary ammonium salts (QACs) were not detected in L. monocytogenes. Subsequently, the anti-L. monocytogenes planktonic cell effect showed for QACs (MIC = 6.25 ppm/MBC = 100 ppm), lactic acid (MBC = 1 mg/mL), citric acid (MBC = 0.5 mg/mL) and gallic acid (MBC = 2 mg/mL). The anti-biofilm effect with organic acids (22 °C) caused a reduction of 4-5 log10 cfu/cm2 after 10 min against control biofilm L. monocytogenes formed on PP than SS. This study is an important contribution to understanding the genomic diversity and epidemiology of L. monocytogenes to establish a control measure to reduce the impact on the environment and the consumer.
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Affiliation(s)
- María Guadalupe Avila-Novoa
- Centro de Investigación en Biotecnología Microbiana y Alimentaria, Departamento de Ciencias Básicas, División de Desarrollo Biotecnológico, Centro Universitario de la Ciénega, Universidad de Guadalajara, Av. Universidad 1115, Col. Lindavista, Ocotlán 47820, Jalisco, Mexico; (M.G.A.-N.); (P.J.G.-M.)
| | - Berenice González-Torres
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA), Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera a Eldorado Km 5.5, Campo El Diez, Culiacán 80110, Sinaloa, Mexico; (B.G.-T.); (J.P.G.-G.); (C.C.)
| | - Jean Pierre González-Gómez
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA), Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera a Eldorado Km 5.5, Campo El Diez, Culiacán 80110, Sinaloa, Mexico; (B.G.-T.); (J.P.G.-G.); (C.C.)
| | - Pedro Javier Guerrero-Medina
- Centro de Investigación en Biotecnología Microbiana y Alimentaria, Departamento de Ciencias Básicas, División de Desarrollo Biotecnológico, Centro Universitario de la Ciénega, Universidad de Guadalajara, Av. Universidad 1115, Col. Lindavista, Ocotlán 47820, Jalisco, Mexico; (M.G.A.-N.); (P.J.G.-M.)
| | - Liliana Martínez-Chávez
- Departamentos de Farmacobiología y Matemáticas, CUCEI, Universidad de Guadalajara, Marcelino García Barragán 1451, Guadalajara 44430, Jalisco, Mexico; (L.M.-C.); (N.E.M.-G.)
| | - Nanci Edid Martínez-Gonzáles
- Departamentos de Farmacobiología y Matemáticas, CUCEI, Universidad de Guadalajara, Marcelino García Barragán 1451, Guadalajara 44430, Jalisco, Mexico; (L.M.-C.); (N.E.M.-G.)
| | - Cristóbal Chaidez
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA), Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera a Eldorado Km 5.5, Campo El Diez, Culiacán 80110, Sinaloa, Mexico; (B.G.-T.); (J.P.G.-G.); (C.C.)
| | - Melesio Gutiérrez-Lomelí
- Centro de Investigación en Biotecnología Microbiana y Alimentaria, Departamento de Ciencias Básicas, División de Desarrollo Biotecnológico, Centro Universitario de la Ciénega, Universidad de Guadalajara, Av. Universidad 1115, Col. Lindavista, Ocotlán 47820, Jalisco, Mexico; (M.G.A.-N.); (P.J.G.-M.)
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9
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Wiktorczyk-Kapischke N, Skowron K, Wałecka-Zacharska E. Genomic and pathogenicity islands of Listeria monocytogenes-overview of selected aspects. Front Mol Biosci 2023; 10:1161486. [PMID: 37388250 PMCID: PMC10300472 DOI: 10.3389/fmolb.2023.1161486] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/01/2023] [Indexed: 07/01/2023] Open
Abstract
Listeria monocytogenes causes listeriosis, a disease characterized by a high mortality rate (up to 30%). Since the pathogen is highly tolerant to changing conditions (high and low temperature, wide pH range, low availability of nutrients), it is widespread in the environment, e.g., water, soil, or food. L. monocytogenes possess a number of genes that determine its high virulence potential, i.e., genes involved in the intracellular cycle (e.g., prfA, hly, plcA, plcB, inlA, inlB), response to stress conditions (e.g., sigB, gadA, caspD, clpB, lmo1138), biofilm formation (e.g., agr, luxS), or resistance to disinfectants (e.g., emrELm, bcrABC, mdrL). Some genes are organized into genomic and pathogenicity islands. The islands LIPI-1 and LIPI-3 contain genes related to the infectious life cycle and survival in the food processing environment, while LGI-1 and LGI-2 potentially ensure survival and durability in the production environment. Researchers constantly have been searching for new genes determining the virulence of L. monocytogenes. Understanding the virulence potential of L. monocytogenes is an important element of public health protection, as highly pathogenic strains may be associated with outbreaks and the severity of listeriosis. This review summarizes the selected aspects of L. monocytogenes genomic and pathogenicity islands, and the importance of whole genome sequencing for epidemiological purposes.
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Affiliation(s)
- Natalia Wiktorczyk-Kapischke
- Department of Microbiology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Krzysztof Skowron
- Department of Microbiology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Ewa Wałecka-Zacharska
- Department of Food Hygiene and Consumer Health, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
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10
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Ferri G, Lauteri C, Festino AR, Vergara A. ARGs Detection in Listeria Monocytogenes Strains Isolated from the Atlantic Salmon ( Salmo salar) Food Industry: A Retrospective Study. Microorganisms 2023; 11:1509. [PMID: 37375010 DOI: 10.3390/microorganisms11061509] [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: 05/24/2023] [Revised: 06/01/2023] [Accepted: 06/04/2023] [Indexed: 06/29/2023] Open
Abstract
Among bacterial foodborne pathogens, Listeria monocytogenes represents one of the most important public health concerns in seafood industries. This study was designed as a retrospective study which aimed to investigate the trend of antibiotic resistance genes (ARGs) circulation in L. monocytogenes isolates identified (in the last 15 years) from Atlantic salmon (Salmo salar) fresh and smoked fillets and environmental samples. For these purposes, biomolecular assays were performed on 120 L. monocytogenes strains collected in certain years and compared to the contemporary scientific literature. A total of 52.50% (95% CI: 43.57-61.43%) of these samples were resistant to at least one antibiotic class, and 20.83% (95% CI: 13.57-28.09%) were classified as multidrug resistant. Concerning ARGs circulation, tetracycline (tetC, tetD, tetK, tetL, tetS), aminoglycoside (aadA, strA, aacC2, aphA1, aphA2), macrolide (cmlA1, catI, catII), and oxazolidinone (cfr, optrA, poxtA) gene determinants were majorly amplified. This study highlights the consistent ARGs circulation from fresh and processed finfish products and environmental samples, discovering resistance to the so-called critical important antimicrobials (CIA) since 2007. The obtained ARGs circulation data highlight the consistent increase in their diffusion when compared to similar contemporary investigations. This scenario emerges as the result of decades of improper antimicrobial administration in human and veterinary medicine.
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Affiliation(s)
- Gianluigi Ferri
- Department of Veterinary Medicine, Post-Graduate Specialization School in Food Inspection "G. Tiecco", University of Teramo, Strada Provinciale 18, Piano d'Accio, 64100 Teramo, Italy
| | - Carlotta Lauteri
- Department of Veterinary Medicine, Post-Graduate Specialization School in Food Inspection "G. Tiecco", University of Teramo, Strada Provinciale 18, Piano d'Accio, 64100 Teramo, Italy
| | - Anna Rita Festino
- Department of Veterinary Medicine, Post-Graduate Specialization School in Food Inspection "G. Tiecco", University of Teramo, Strada Provinciale 18, Piano d'Accio, 64100 Teramo, Italy
| | - Alberto Vergara
- Department of Veterinary Medicine, Post-Graduate Specialization School in Food Inspection "G. Tiecco", University of Teramo, Strada Provinciale 18, Piano d'Accio, 64100 Teramo, Italy
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11
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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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12
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Yuan T, Hu Y, Pian Y. Maternal bacteremia caused by Listeria monocytogenes ST87: A case report. Heliyon 2023; 9:e14980. [PMID: 37077693 PMCID: PMC10106913 DOI: 10.1016/j.heliyon.2023.e14980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Pregnant women are at a high risk of contracting listeriosis; however, there have been only a few clinical reports of maternal bacteremia occurring before 20 weeks of gestation in China. In this case report, a 28-year-old pregnant woman at 16 weeks and 4 days of gestation was admitted to our hospital suffering from fever for four days. The patient was initially diagnosed with an upper respiratory tract infection at the local community hospital; nevertheless, the cause of the infection was unknown. In our hospital, she was diagnosed with Listeria monocytogenes (L. monocytogenes) infection by the blood culture system. Before the results of blood culture were obtained, ceftriaxone and cefazolin were given for three days respectively based on clinical experience. However, the fever didn't reduce until she was treated with ampicillin. This pathogen was further identified as L. monocytogenes ST87 by serotyping, multilocus sequence typing (MLST), and virulence gene amplification. Finally, a healthy baby boy was born in our hospital, and the neonate was developing well at the 6-week postnatal follow-up visit. This case report suggests that patients with L. monocytogenes ST87-caused maternal listeriosis can have a good prognosis; however, more clinical information and molecular experiments are needed to confirm our hypothesis.
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13
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Pyz-Łukasik R, Paszkiewicz W, Kiełbus M, Ziomek M, Gondek M, Domaradzki P, Michalak K, Pietras-Ożga D. Genetic Diversity and Potential Virulence of Listeria monocytogenes Isolates Originating from Polish Artisanal Cheeses. Foods 2022; 11:2805. [PMID: 36140933 PMCID: PMC9497517 DOI: 10.3390/foods11182805] [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: 07/20/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
Artisanal cheeses can be sources of Listeria monocytogenes and cause disease in humans. This bacterial pathogen is a species of diverse genotypic and phenotypic characteristics. The aim of the study was to characterize 32 isolates of L. monocytogenes isolated in 2014-2018 from artisanal cheeses. The isolates were characterized using whole genome sequencing and bioinformatics analysis. The artisanal cheese isolates resolved to four molecular groups: 46.9% of them to IIa (1/2a-3a), 31.2% to IVb (4ab-4b-4d-4e), 12.5% to IIc (1/2c-3c), and 9.4% to IIb (1/2b-3b-7). Two evolutionary lineages emerged: lineage II having 59.4% of the isolates and lineage I having 40.6%. The sequence types (ST) totaled 18: ST6 (15.6% of the isolates), ST2, ST20, ST26, and ST199 (each 9.4%), ST7 and ST9 (each 6.3%), and ST1, ST3, ST8, ST16, ST87, ST91, ST121, ST122, ST195, ST217, and ST580 (each 3.1%). There were 15 detected clonal complexes (CC): CC6 (15.6% of isolates), CC9 (12.5%), CC2, CC20, CC26, and CC199 (each 9.4%), CC7 and CC8 (each 6.3%), and CC1, CC3, CC14, CC87, CC121, CC195, and CC217 (each 3.1%). The isolates were varied in their virulence genes and the differences concerned: inl, actA, LIPI-3, ami, gtcA, aut, vip, and lntA.
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Affiliation(s)
- Renata Pyz-Łukasik
- Department of Food Hygiene of Animal Origin, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka 12, 20-033 Lublin, Poland
| | - Waldemar Paszkiewicz
- Department of Food Hygiene of Animal Origin, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka 12, 20-033 Lublin, Poland
| | - Michał Kiełbus
- Department of Experimental Hematooncology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Monika Ziomek
- Department of Food Hygiene of Animal Origin, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka 12, 20-033 Lublin, Poland
| | - Michał Gondek
- Department of Food Hygiene of Animal Origin, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Akademicka 12, 20-033 Lublin, Poland
| | - Piotr Domaradzki
- Department of Quality Assessment and Processing of Animal Products, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
| | - Katarzyna Michalak
- Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Głęboka 30, 20-612 Lublin, Poland
| | - Dorota Pietras-Ożga
- Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Głęboka 30, 20-612 Lublin, Poland
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14
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Frozen Vegetable Processing Plants Can Harbour Diverse Listeria monocytogenes Populations: Identification of Critical Operations by WGS. Foods 2022; 11:foods11111546. [PMID: 35681295 PMCID: PMC9180799 DOI: 10.3390/foods11111546] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 02/06/2023] Open
Abstract
Frozen vegetables have emerged as a concern due to their association with foodborne outbreaks such as the multi-country outbreak of Listeria monocytogenes serogroup IVb linked to frozen corn. The capacity of L. monocytogenes to colonize food-processing environments is well-known, making the bacteria a real problem for consumers. However, the significance of the processing environment in the contamination of frozen foods is not well established. This study aimed to identify potential contamination niches of L. monocytogenes in a frozen processing plant and characterize the recovered isolates. A frozen vegetable processing plant was monitored before cleaning activities. A total of 78 points were sampled, including frozen vegetables. Environmental samples belonged to food-contact surfaces (FCS); and non-food-contact surfaces (n-FCS). Positive L. monocytogenes samples were found in FCS (n = 4), n-FCS (n = 9), and the final product (n = 1). A whole-genome sequencing (WGS) analysis revealed two clusters belonging to serotypes 1/2a-3a and 1/2b-3b). The genetic characterization revealed the presence of four different sequence types previously detected in the food industry. The isolate obtained from the final product was the same as one isolate found in n-FCS. A multi-virulence-locus sequence typing (MVLST) analysis showed four different virulence types (VT). The results obtained highlight the relevant role that n-FCS such as floors and drains can play in spreading L. monocytogenes contamination to the final product.
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15
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Cheng Y, Dong Q, Liu Y, Liu H, Zhang H, Wang X. Systematic review of Listeria monocytogenes from food and clinical samples in Chinese mainland from 2010 to 2019. FOOD QUALITY AND SAFETY 2022. [DOI: 10.1093/fqsafe/fyac021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Listeria monocytogenes, a foodborne pathogen, can cause human listeriosis. Listeriosis is a potentially fatal gastrointestinal illness, which is closely related to the spread of food to humans. We review the literature published during 2010 to 2019 to better understand the prevalence of L. monocytogenes in food products, incidence of human listeriosis, and their characteristics in Chinese mainland. We found the main sequence types (STs) strains from foods are similar globally, and the prevalence of L. monocytogenes from raw meat was the highest among all food products. The most common STs in food products and clinical cases were ST9 (serogroup Ⅰ.2) strains and ST87 (serogroup Ⅱ.2) strains, respectively. The ST87 strains being the most common STs of clinical cases might be related to the exist of Listeria pathogenicity islands 4 genes and Chinese eating habits for ready to eat foods, among which the prevalence of ST87 strain was the highest in ready to eat food. Therefore, more research should be conducted to explore the reasons for the L. monocytogenes isolates differences in food and clinic sources. Meanwhile, more research should be conducted to explore the reasons for differences among the L. monocytogenes isolates in food and clinical sources.
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16
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Bland R, Brown SRB, Waite-Cusic J, Kovacevic J. Probing antimicrobial resistance and sanitizer tolerance themes and their implications for the food industry through the Listeria monocytogenes lens. Compr Rev Food Sci Food Saf 2022; 21:1777-1802. [PMID: 35212132 DOI: 10.1111/1541-4337.12910] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/18/2021] [Accepted: 12/23/2021] [Indexed: 12/12/2022]
Abstract
The development of antibiotic resistance is a serious public health crisis, reducing our ability to effectively combat infectious bacterial diseases. The parallel study of reduced susceptibility to sanitizers is growing, particularly for environmental foodborne pathogens, such as Listeria monocytogenes. As regulations demand a seek-and-destroy approach for L. monocytogenes, understanding sanitizer efficacy and its uses are critical for the food industry. Studies have reported the ability of L. monocytogenes to survive in sanitizer concentrations 10-1000 times lower than the manufacturer-recommended concentration (MRC). Notably, data show that at MRC and when applied according to the label instructions, sanitizers remain largely effective. Studies also report that variables such as the presence of organic material, application time/temperature, and bacterial attachment to surfaces can impact sanitizer effectiveness. Due to the lack of standardization in the methodology and definitions of sanitizer resistance, tolerance, and susceptibility, different messages are conveyed in different studies. In this review, we examine the diversity of definitions, terminology, and methodologies used in studies examining L. monocytogenes resistance and susceptibility to antimicrobials. Research available to date fails to demonstrate "resistance" of L. monocytogenes to recommended sanitizer treatments as prescribed by the label. As such, sanitizer tolerance would be a more accurate description of L. monocytogenes response to low sanitizer concentrations (i.e., sub-MRC). Conservative use of word "resistance" will reduce confusion and allow for concise messaging as sanitizer research findings are communicated to industry and regulators.
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Affiliation(s)
- Rebecca Bland
- Food Innovation Center, Oregon State University, Portland, Oregon, USA.,Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Stephanie R B Brown
- Food Innovation Center, Oregon State University, Portland, Oregon, USA.,Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Joy Waite-Cusic
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Jovana Kovacevic
- Food Innovation Center, Oregon State University, Portland, Oregon, USA.,Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
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17
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Shi C, Lv D, Zhou K, Jin T, Wang G, Wang B, Li Y, Xu Y. Clinical and Laboratory Characteristics of Patients infected by Listeria monocytogenes at a Tertiary Hospital in Hefei City, China. Infect Drug Resist 2021; 14:4409-4419. [PMID: 34729017 PMCID: PMC8555528 DOI: 10.2147/idr.s334929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/13/2021] [Indexed: 12/03/2022] Open
Abstract
Background Human listeriosis is a severe foodborne infection caused by Listeria monocytogenes and the data of patients with this infection are largely limited for the Hefei population. Purpose This is a retrospective study that evaluated the clinical and laboratory data of patients with listeriosis at a tertiary hospital in Hefei City. Patients and Methods A total of 24 listeriosis patients were admitted to the First Affiliated Hospital of Anhui Medical University from January 2003 to July 2021. Data from all patients were collected from the hospital’s electronic medical records. Results The most common symptom of all patients was fever (91.7%), followed by altered consciousness (50.0%), rashes (45.8%), respiratory distress symptoms (37.5%), nuchal rigidity (29.2%), and headaches (20.8%). Laboratory results also indicated elevated C-reactive protein (CRP) (79.1%), hypoproteinemia (75.0%), anemia (62.5%), leukocytosis (45.8%), and neutrophilia (45.8%). The mean value of 5.1 μg/mL (SD, 3.8) for D‐dimer (D‐D) was significantly higher than the normal value ((0.00–0.50) μg/mL), while both altered consciousness (6 vs 4, P = 0.034) and headaches (4 vs 1, P = 0.036) occurred more frequently in the neurolisteriosis group compared with the bacteremia one. Additionally, the mean maximal body temperature (°C) (40.5 ± 0.7) as well as white blood cell (WBC) (15.3 vs 7.5 ×109/L, P = 0.014) and neutrophil (NEUT#) (13.2 vs 6.1 ×109/L, P = 0.026) counts of neurolisteriosis patients were higher than those of bacteremia (39.4 ± 0.4) (P = 0.001). Of all patients, four (50%) from the maternal-neonatal group remained uncured. Conclusion Listeriosis is a rare disease with extremely variable clinical characteristics in Hefei City. Our data indicated that unexplained fever, altered consciousness, hypoproteinemia, anemia, elevated CRP and DD should be considered to assist diagnosis of listeriosis for early treatment interventions.
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Affiliation(s)
- Cuixiao Shi
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Dongmei Lv
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Kai Zhou
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Tengchuan Jin
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, People's Republic of China
| | - Gang Wang
- The Second Hospital of Anhui Medical University, Hefei, 230601, People's Republic of China
| | - Bo Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Yajuan Li
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Yuanhong Xu
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
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18
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Maggio F, Rossi C, Chiaverini A, Ruolo A, Orsini M, Centorame P, Acciari VA, Chaves López C, Salini R, Torresi M, Serio A, Pomilio F, Paparella A. Genetic relationships and biofilm formation of Listeria monocytogenes isolated from the smoked salmon industry. Int J Food Microbiol 2021; 356:109353. [PMID: 34411997 DOI: 10.1016/j.ijfoodmicro.2021.109353] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 11/24/2022]
Abstract
Among pathogens, L. monocytogenes has the capability to persist on Food Processing Environment (FPE), first of all posing safety issues, then economic impact on productivity. The aim of this work was to determine the influence of biofilm forming-ability and molecular features on the persistence of 19 Listeria monocytogenes isolates obtained from FPE, raw and processed products of a cold-smoked salmon processing plant. To verify the phenotypic and genomic correlations among the isolates, different analyses were employed: serotyping, Clonal Complex (CC), core genome Multi-Locus Sequence Typing (cgMLST) and Single Nucleotide Polymorphisms (SNPs) clustering, and evaluation of the presence of virulence- and persistence-associated genes. From our results, the biofilm formation was significantly higher (*P < 0.05) at 37 °C, compared to 30 and 12 °C, suggesting a temperature-dependent behaviour. Moreover, the biofilm-forming ability showed a strain-specific trend, not correlated with CC or with strains persistence. Instead, the presence of internalin (inL), Stress Survival Islet (SSI) and resistance to erythromycin (ermC) genes was correlated with the ability to produce biofilms. Our data demonstrate that the genetic profile influences the adhesion capacity and persistence of L. monocytogenes in food processing plants and could be the result of environmental adaptation in response to the external selective pressure.
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Affiliation(s)
- Francesca Maggio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Alexandra Chiaverini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Anna Ruolo
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Massimiliano Orsini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy; Department of Risk Analysis and Public Health Surveillance, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, PD, Italy
| | - Patrizia Centorame
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Vicdalia A Acciari
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Clemencia Chaves López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Romolo Salini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Marina Torresi
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy.
| | - Francesco Pomilio
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
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Simonavičienė I, Zakarienė G, Lozoraitytė A, Zaborskienė G, Gerulis G, Stimbirys A. Identification and serotyping of Listeria monocytogenes, isolated from various salmon products, sold in retail market in Lithuania. Ital J Food Saf 2021; 10:9341. [PMID: 34703790 PMCID: PMC8491009 DOI: 10.4081/ijfs.2021.9341] [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: 09/08/2020] [Accepted: 07/06/2021] [Indexed: 01/14/2023] Open
Abstract
Cold smoked salmon products (belly flaps, pieces, fillet, and loin) obtained from the retail market in Lithuania were tested for the presence of L. monocytogenes. It was found that contamination of the cold smoked fish products with Listeria spp. depends on the type of the product. Contamination with listeria in salmon belly flaps was 7.5 times higher than in the loin (P<0.05), 1.8 times higher than in the pieces (P<0.05) and 30 times higher than in the fillet (P<0.05). Microbiological analysis showed that 32.5% (P<0.05) of the fish product samples were infected with L. monocytogenes, while multiplex PCR confirmed 31.25% positive samples (P<0.01). According to the study results, L. monocytogenes strains were divided into two serotypes: 4b (94.6%) and 1/2a (5.4%). High contamination of the products with Listeria spp. showed that cold smoked salmon products, sold in local market, can be a reason of human listeriosis in Lithuania.
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Affiliation(s)
| | | | | | - Gintarė Zaborskienė
- Department of Food Safety and Quality, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Zhao Q, Hu P, Li Q, Zhang S, Li H, Chang J, Jiang Q, Zheng Y, Li Y, Liu Z, Ren H, Lu S. Prevalence and transmission characteristics of Listeria species from ruminants in farm and slaughtering environments in China. Emerg Microbes Infect 2021; 10:356-364. [PMID: 33560938 PMCID: PMC7928038 DOI: 10.1080/22221751.2021.1888658] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Listeria monocytogenes is an important foodborne pathogen, and is ubiquitously distributed in the natural environment. Cattle and sheep, as natural hosts, can transmit L. monocytogenes to related meat and dairy products. In this study, the prevalence, distribution, and transmission characteristics of Listeria were analysed by investigating 5214 samples of cattle and sheep in farm and slaughtering environments in China. A low contamination incidence of L. monocytogenes (0.5%, 20/4430) was observed in farm environment, but there was a high contamination incidence in slaughtering environment (9.4%, 74/784). The incidence of L. innocua in cattle and sheep farm and slaughtering environments is more common and significantly higher (9.7%, 508/5214) than that of L. monocytogenes (1.8%, 94/5214). The distinct molecular and genetic characteristics of Listeria by PFGE and MLST indicated that L. monocytogenes and L. innocua were gradually transmitted from the farm and slaughtering environments to end products, such as beef and mutton along the slaughtering chain. The ST7, ST9, ST91, and ST155 found in our study were associated with the human listeriosis cases in China. In addition, the findings of virulence markers (inlC, inlJ, LIPI-3, LIPI-4, and ECIII) concerned with the pathogenesis of human listeriosis and antibiotics resistance of L. monocytogenes in this study implies a potential public health risk. This study fills the gap in the epidemiology of beef cattle and sheep that carry Listeria in farm and slaughtering environments in major cattle and sheep producing areas in China.
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Affiliation(s)
- Qiang Zhao
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Pan Hu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Qianqian Li
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Shasha Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Hanxiao Li
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Jiang Chang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Qiujie Jiang
- Jilin Center for Animal Disease Control and Prevention, Changchun, Jilin, People's Republic of China
| | - Yu Zheng
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Yansong Li
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Zengshan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Honglin Ren
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
| | - Shiying Lu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Double First-class Discipline of Human-animal Medicine, Jilin University, Changchun, People's Republic of China
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21
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PDCD4-mediated downregulation of Listeria monocytogenes burden in macrophages. Cent Eur J Immunol 2021; 46:38-46. [PMID: 33897282 PMCID: PMC8056355 DOI: 10.5114/ceji.2021.105244] [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: 10/11/2019] [Accepted: 01/03/2020] [Indexed: 11/17/2022] Open
Abstract
Introduction Macrophages are effector cells of the innate immune system and defend against invading pathogens. Previous reports have shown that infection with Listeria monocytogenes upregulates miR-21a expression in macrophages. Aim of the study We aimed to verify whether programmed cell death 4 (PDCD4) is involved in the high bacterial burden observed in macrophages during late-stage L. monocytogenes infections. Material and methods We examined the expression of miR-21a and its known target PDCD4 in macrophages after L. monocytogenes infection. The macrophages’ uptake ability of L. monocytogenes was measured using FluoSpheres Carboxylate-modified microspheres. We depleted PDCD4 by transfecting macrophages with siPDCD4. Results In macrophages, PDCD4 protein was downregulated 5 h, but not 2 h, after L. monocytogenes infection. Our results validated the hypothesis that PDCD4-depleted macrophages present a higher L. monocytogenes burden. Moreover, we found that the activation of c-Jun and STAT3 accompanied PDCD4 downregulation. Conclusions Our results showed that PDCD4 mediated the suppression of L. monocytogenes infection in macrophages via c-Jun/STAT3 signalling activation.
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Wang Y, Ji Q, Li S, Liu M. Prevalence and Genetic Diversity of Listeria monocytogenes Isolated From Retail Pork in Wuhan, China. Front Microbiol 2021; 12:620482. [PMID: 33767677 PMCID: PMC7986423 DOI: 10.3389/fmicb.2021.620482] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/15/2021] [Indexed: 11/25/2022] Open
Abstract
Listeria monocytogenes is a ubiquitous bacteria and causative agent of zoonotic listeriosis with high mortality. The consumption of contaminated animal-derived foods has been linked with both epidemic and sporadic listeriosis. In this work, a total of 64 L. monocytogenes isolates from 259 pork samples sold in 11 supermarket chains were identified and characterized by comparative whole-genome analysis. All isolates were delineated into eight clonal complexes (CCs), namely CC2, CC8, CC9, CC11, CC155, CC121, CC204, and CC619, spanning two lineages (I and II) and carrying 3–5 antibiotic-resistant genes (fosX, lnu, mprF, tetM, and dhfR). It is noted that Listeria pathogenicity island (LIPI)-1, LIPI-3, and LIPI-4 were distributed in all ST619 isolates from two supermarket chains that were closely related with clinical isolates (<40 SNP). Some of the isolates from different supermarket chains with 0 SNP difference indicated a common pork supply source. Notably, 57.81% of the strains carried types IB, IIA, or IIIB CRISPR-Cas system, CC121 isolates carried both types IB and IIA CRISPR-Cas systems, Cas proteins of CC155 isolates located between two CRISPR loci, each CC has unique organization of Cas proteins as well as CRISPR loci. CRISPR-Cas system-based subtyping improved discrimination of pork-derived L. monocytogenes isolates. Comparisons at the genome level contributed to understand the genetic diversities and variations among the isolates and provided insights into the genetic makeup and relatedness of these pathogens.
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Affiliation(s)
- Yiqian Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Qiang Ji
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Shaowen Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Mei Liu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
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23
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Arslan S, Özdemir F. Prevalence and antimicrobial resistance of Listeria species and molecular characterization of Listeria monocytogenes isolated from retail ready-to-eat foods. FEMS Microbiol Lett 2021; 367:5700711. [PMID: 31926017 DOI: 10.1093/femsle/fnaa006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/10/2020] [Indexed: 12/28/2022] Open
Abstract
A wide variety of foods can be contaminated with Listeria species, especially L. monocytogenes. Ready-to-eat (RTE) foods are predominantly associated with human listeriosis caused by L. monocytogenes. Therefore, this study aimed to assess the presence of Listeria species in RTE foods and to characterize L. monocytogenes isolates by means of detection of virulence markers, serotypes and genetic relatedness. Of the 300 RTE food samples, 59 (19.7%) were positive for Listeria species: L. innocua (13.3%), L. monocytogenes (5%), L. welshimerii (2.3%), L. grayi subsp. murrayi (1.3%), L. grayi (1%), L. ivanovii (1%) and L. ivanovi subsp. londoniensis (0.3%). All L. monocytogenes isolates identified were positive for the actA, iap, inlA, inlB, inlC, inlJ, plcA and prfA virulence genes and biofilm. The isolates were serotyped as 1/2c (33.3%), 4b (26.7%), 1/2a (26.7%), 1/2b (6.7%) and 3c (6.7%) by the multiplex-PCR and agglutination methods. PCR-restriction fragment length polymorphism with AluI and MluCI resulted in three and two profiles, respectively. Pulsed-field gel electrophoresis differentiated the L. monocytogenes isolates into 15 ApaI and 12 AscI patterns. Antimicrobial resistance of all Listeria isolates was determined by the disk diffusion method. Most L. monocytogenes isolates were sensitive to antimicrobials used in the treatment of listeriosis. This study shows the presence of potential pathogenic and antimicrobial-resistant L. monocytogenes in RTE foods that may lead to consumer health risks.
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Affiliation(s)
- Seza Arslan
- Department of Biology, Faculty of Arts and Sciences, Bolu Abant Izzet Baysal University, 14030 Gölköy, Bolu, Turkey
| | - Fatma Özdemir
- Department of Biology, Faculty of Arts and Sciences, Bolu Abant Izzet Baysal University, 14030 Gölköy, Bolu, Turkey
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Cui H, Li H, Abdel-Samie MA, Surendhiran D, Lin L. Anti-Listeria monocytogenes biofilm mechanism of cold nitrogen plasma. INNOV FOOD SCI EMERG 2021. [DOI: 10.1016/j.ifset.2020.102571] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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25
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Zhang H, Chen W, Wang J, Xu B, Liu H, Dong Q, Zhang X. 10-Year Molecular Surveillance of Listeria monocytogenes Using Whole-Genome Sequencing in Shanghai, China, 2009-2019. Front Microbiol 2020; 11:551020. [PMID: 33384664 PMCID: PMC7769869 DOI: 10.3389/fmicb.2020.551020] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 11/09/2020] [Indexed: 12/15/2022] Open
Abstract
Listeria monocytogenes is an etiologic agent of listeriosis, and has emerged as an important foodborne pathogen worldwide. In this study, the molecular characteristics of 155 L. monocytogenes isolates from seven food groups in Shanghai, the biggest city in China, were identified using whole-genome sequencing (WGS). Most L. monocytogenes isolates (79.3%) were obtained between May and October from 2009 to 2019. The serogroups and clonal complexes (CCs) of L. monocytogenes were found useful for identifying potential health risks linked to foods. Differences in distributions of serogroups and CCs among different food groups were analyzed using t-test. The results showed that the IIa and IVb serogroups were identified among most of food groups. However, the prevalence of serogroup IIb was significantly higher in ready-to-eat (RTE) food and raw seafood than in other food groups, similar to group IIc in raw meat and raw poultry than others. Meanwhile, the prevalence of CC9 in raw meat and raw poultry, CC8 in raw poultry, and CC87 in raw seafood significantly exceeded that of in other food groups. Specially, CC87 was the predominant CC in foodborne and clinical isolates in China, indicating that raw seafood may induce a high-risk to food safety. Also, hypervirulence pathogenicity islands LIPI-3 and LIPI-4 were found in CC3, CC1, and CC87, respectively. The clonal group CC619 carried LIPI-3 and LIPI-4, as previously reported in China. Core genome multilocus sequence typing (cgMLST) analysis suggested that CC87 isolates from the same food groups in different years had no allelic differences, indicating that L. monocytogenes could persist over years. These 10-year results in Shanghai underscore the significance of molecular epidemiological surveillance of L. monocytogenes in foodborne products in assessing the potential risk of this pathogen, and further address food safety issues in China.
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Affiliation(s)
- Hongzhi Zhang
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Weijie Chen
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Jing Wang
- Minhang District Center for Disease Control and Prevention, Shanghai, China
| | - Biyao Xu
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Hong Liu
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Qingli Dong
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Xi Zhang
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
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26
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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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27
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Li A, Xu H, Li X, Ye H, Shan D, Feng N, Qian Y, Huang X, Hao D, Zhang X, Zhu B, Zheng B. Genomic and Phenotypic Diversity of Listeria monocytogenes Causing Pregnancy-Associated Listeriosis from Zhejiang Province, China, 2016-2018. Infect Drug Resist 2020; 13:1179-1184. [PMID: 32425557 PMCID: PMC7187866 DOI: 10.2147/idr.s245305] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/07/2020] [Indexed: 12/15/2022] Open
Abstract
Introduction There are few investigations describing the pregnancy-associated listeriosis in China, and the molecular characteristics of Listeria monocytogenes causing such infections remain largely unknown. We aim to investigate the phenotypic and genomic profiles of pregnancy-associated L. monocytogenes isolates and their association with isolates recovered from human and non-human in China. Materials and Methods In this study, we conducted a 3-year surveillance of listeriosis in a women's hospital in Zhejiang province, using whole genome sequencing and bioinformatics tools. Results From 2016 to 2018, we identified 13 clinical L. monocytogenes isolates. Among these pregnancy-associated isolates, we found seven sequence types (STs), with the prevalent STs of ST87 and ST7. Serotyping divided the strains into four serotypes, including serotype 1/2a, 1/2b, 3a, and 4b. Antimicrobial resistance testing showed that all the isolates were susceptible to 10 antibiotics. Comparative genomics analysis clearly classified our genome collection into four distinct evolutionary lineages with most isolates grouping into lineages I and II. Interestingly, we found three pairs of isolates with high identity, although no evident epidemiological association was observed. Conclusion This study reports for the first time the surveillance of pregnancy-associated listeriosis in Zhejiang province, China, which indicates that the infection rate is low in this region. Our findings provide insight into the evolution and genetic diversity of pregnancy-associated L. monocytogenes from Zhejiang province. Additional investigations involving more human and non-human isolates with a "one health" strategy are needed for prediction of the listeriosis risk associated with a typical prevalent clone in Zhejiang province, such as ST87.
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Affiliation(s)
- Aiyun Li
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Hao Xu
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xiaoyu Li
- Department of Clinical Medicine, Hangzhou Children's Hospital, Hangzhou, People's Republic of China
| | - Hong Ye
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Donghao Shan
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Nan Feng
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Yaqi Qian
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xiangzhe Huang
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Dongjie Hao
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xiaoxiao Zhang
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Bo Zhu
- Department of Clinical Medicine, The Women's Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Beiwen Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
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Chen Y, Chen M, Wang J, Wu Q, Cheng J, Zhang J, Sun Q, Xue L, Zeng H, Lei T, Pang R, Ye Q, Wu S, Zhang S, Wu H, Li W, Kou X. Heterogeneity, Characteristics, and Public Health Implications of Listeria monocytogenes in Ready-to-Eat Foods and Pasteurized Milk in China. Front Microbiol 2020; 11:642. [PMID: 32351479 PMCID: PMC7174501 DOI: 10.3389/fmicb.2020.00642] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 03/20/2020] [Indexed: 12/20/2022] Open
Abstract
Listeria monocytogenes is a foodborne pathogen with a high mortality rate in humans. This study aimed to identify the pathogenic potential of L. monocytogenes isolated from ready-to-eat (RTE) foods and pasteurized milk in China on the basis of its phenotypic and genotypic characteristics. Approximately 7.7% (44/570) samples tested positive for L. monocytogenes among 10.8% (39/360) RTE and 2.4% (5/210) pasteurized milk samples, of which 77.3% (34/44) had < 10 MPN/g, 18.2% (8/44) had 10-110 MPN/g, and 4.5% (2/44) had > 110 MPN/g. A total of 48 strains (43 from RTE foods and five from milk samples) of L. monocytogenes were isolated from 44 positive samples. PCR-serogroup analysis revealed that the most prevalent serogroup was II.2 (1/2b-3b-7), accounting for 52.1% (25/48) of the total, followed by serogroup I.1 (1/2a-3a) accounting for 33.3% (16/48), serogroup I.2 (1/2c-3c) accounting for 12.5% (6/48), and serogroup II.1 (4b-4d-4e) accounting for 2.1%. All isolates were grouped into 11 sequence types (STs) belonging to 10 clonal complexes (CCs) and one singleton (ST619) via multi-locus sequence typing. The most prevalent ST was ST87 (29.2%), followed by ST8 (22.9%), and ST9 (12.5%). Virulence genes determination showed that all isolates harbored eight virulence genes belonging to Listeria pathogenicity islands 1 (LIPI-1) (prfA, actA, hly, mpl, plcA, plcB, and iap) and inlB. Approximately 85.4% isolates carried full-length inlA, whereas seven isolates had premature stop codons in inlA, six of which belonged to ST9 and one to ST5. Furthermore, LLS (encoded by llsX gene, representing LIPI-3) displays bactericidal activity and modifies the host microbiota during infection. LIPI-4 enhances neural and placental tropisms of L. monocytogenes. Results showed that six (12.5%) isolates harbored the llsX gene, and they belonged to ST1/CC1, ST3/CC3, and ST619. Approximately 31.3% (15/48) isolates (belonging to ST87/CC87 and ST619) harbored ptsA (representing LIPI-4), indicating the potential risk of this pathogen. Antimicrobial susceptibility tests revealed that > 95% isolates were susceptible to 16 antimicrobials; however, 60.4 and 22.9% isolates were intermediately resistant to streptomycin and ciprofloxacin, respectively. The results show that several isolates harbor LIPI-3 and LIPI-4 genes, which may be a possible transmission route for Listeria infections in consumers.
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Affiliation(s)
- Yuetao Chen
- College of Food Science, South China Agricultural University, Guangzhou, China
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Moutong Chen
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Juan Wang
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Qingping Wu
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Jianheng Cheng
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Jumei Zhang
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Qifan Sun
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Liang Xue
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Haiyan Zeng
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Tao Lei
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Rui Pang
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Qinghua Ye
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Shi Wu
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Shuhong Zhang
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Haoming Wu
- Guangdong Institute of Microbiology, Guangdong Academic of Science, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Wenzhi Li
- Infinitus (China) Company, Ltd., Guangzhou, China
| | - Xiuying Kou
- Infinitus (China) Company, Ltd., Guangzhou, China
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