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Zhang J, Liu Z, Li Z, Xu C, Wang H, Yang R, Liu L. Clinical and Genomic Characteristics of a Clinical Listeria Monocytogenes ST120 Isolate Recovered from a Pregnant Woman. Infect Drug Resist 2024; 17:229-237. [PMID: 38283108 PMCID: PMC10821662 DOI: 10.2147/idr.s446860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 01/18/2024] [Indexed: 01/30/2024] Open
Abstract
Background Maternal-fetal listeriosis, caused by Listeria monocytogenes, is a rare but serious infection. Herein, we report the clinical and genomic characteristics of a clinical L. monocytogenes ST120 isolate recovered from a pregnant woman. Methods The clinical symptoms and treatment in pregnant woman were described in detail. Whole genome sequencing (WGS) was performed on the L. monocytogenes isolate SJZ_LM001, and the genomic characterization of the isolate was deeply analyzed. Results The clinical symptoms in pregnant women were mainly fever, and the placenta experienced severe inflammation. The pregnant woman was treated with ampicillin for effective anti-infective therapy. Genomic analysis showed that isolate SJZ_LM001 is sequence type (ST) 120, belong to clonal complex (CC)8 and lineage II of L. monocytogenes. Additionally, the isolates SJZ_LM001 harbored a novel plasmid pSJZ_LM001, which carried arsenical resistance genes (arsACD and acr3), and cadmium resistance genes (cadAC). Drug susceptibility testing showed that the isolate SJZ-LM001 was susceptible to ampicillin, meropenem, penicillin, and cotrimoxazole. Conclusion This is the first to identify a clinical case of infection in a pregnant woman caused by ST120 L. monocytogenes in China. These findings could benefit our understanding of the genomic characteristics of L. monocytogenes, and the pregnancy-related listeriosis and providing early diagnosis and effective targeted treatment.
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Affiliation(s)
- Jingrui Zhang
- Department of Clinical Laboratory, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
| | - Zengbin Liu
- Department of Clinical Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
| | - Zhirong Li
- Department of Clinical Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
| | - Caihong Xu
- Department of Clinical Laboratory, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
| | - Hongbin Wang
- Department of Gynecology and Obstetrics, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
| | - Rugang Yang
- Department of Clinical Laboratory, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
| | - Li Liu
- Department of Clinical Laboratory, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
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Ponzio E, Di Biagio K, Dolcini J, Sarti D, Pompili M, Fiacchini D, Cerioni C, Ciavattini A, Gasperini B, Prospero E. Epidemiology of listeriosis in a region in central Italy from 2010 to 2019: Estimating the real incidence and space-time analysis for detecting cluster of cases. J Infect Public Health 2023; 16:1904-1910. [PMID: 37866268 DOI: 10.1016/j.jiph.2023.10.008] [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: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND Contamination and transmission of different Listeria monocytogenes strains along food chain are a serious threat to public health and food safety. Understanding the distribution of diseases in time and space-time is fundamental in the epidemiological study and in preventive medicine programs. The aim of this study is to estimate listeriosis incidence along 10-years period and to perform space-time cluster analysis of listeriosis cases in Marche Region, Italy. METHODS The number of observed listeriosis cases/year was derived from regional data of surveillance of notifiable diseases and hospital discharge form. The capture and recapture method (C-R method) was applied to estimate the real incidence of listeriosis cases in Marche Region and the space-time scan statistics analysis was performed to detect clusters of space-time of listeriosis cases and add precision to the conventional epidemiological analysis. RESULTS The C-R method estimation of listeriosis cases was 119 in the 10- year period (2010-2019), with an average of 31.93 % of unobserved cases (lost cases). The estimated mean annual incidence of listeriosis was 0.77 per 100,000 inhabitants (95 %CI 0.65-0.92), accounting for 6.07 % of additional listeriosis cases per year than observed cases. Using the scan statistic, the two most likely clusters were identified, one of these was statistically significant (p < 0.05). The underdiagnosis and under-reporting in addition to listeriosis incidence variability suggested that the surveillance system of Marche Region should be improved. CONCLUSIONS This study provides evidence of the ability of space-time cluster analysis to complement traditional surveillance of food-borne diseases and to understand the local risk factors by implementing timely targeted interventions.
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Affiliation(s)
- Elisa Ponzio
- Department of Biomedical Sciences and Public Health, Section of Hygiene Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy
| | - Katiuscia Di Biagio
- Environmental Epidemiology Unit - Regional Environmental Protection Agency of Marche, Ancona, Italy
| | - Jacopo Dolcini
- Department of Biomedical Sciences and Public Health, Section of Hygiene Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy
| | - Donatella Sarti
- Department of Biomedical Sciences and Public Health, Section of Hygiene Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy
| | | | - Daniel Fiacchini
- Public Health Department, Azienda Sanitaria Territoriale Ancona, Ancona, Italy
| | - Chiara Cerioni
- School of Obstetric Sciences, Università Politecnica Delle Marche, Ancona, Italy
| | - Andrea Ciavattini
- Department of Clinical Sciences, Università Politecnica delle Marche, Salesi Hospital, Ancona, Italy
| | - Beatrice Gasperini
- Department of Biomedical Sciences and Public Health, Section of Hygiene Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy; Azienda Ospedaliero Universitaria delle Marche, Ancona, Italy.
| | - Emilia Prospero
- Department of Biomedical Sciences and Public Health, Section of Hygiene Preventive Medicine, and Public Health, Università Politecnica delle Marche, Ancona, Italy
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Pogreba-Brown K, Boyd K, Schaefer K, Austhof E, Armstrong A, Owusu-Dommey A, Villa-Zapata L, Arora M, McClelland JD, Hoffman S. Complications Associated with Foodborne Listeriosis: A Scoping Review. Foodborne Pathog Dis 2022; 19:725-743. [PMID: 36367547 DOI: 10.1089/fpd.2022.0012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Listeria monocytogenes is a relatively rare but highly pathogenic bacterium that can cause foodborne infections. In the United States there are ∼1600 cases per year, 94% of which result in hospitalizations and 20% in deaths. Per-case burden is high because the disease also causes serious complications, including sepsis, encephalitis, meningitis, miscarriage, and stillbirth. The disease burden of L. monocytogenes is underestimated because some of these acute complications can also result in long-term outcomes. In this article, we conducted a scoping review of L. monocytogenes complications and longer term outcomes from articles published between 2000 and 2018. Search terms were developed for four major databases (PubMed, Scopus, Web of Science, and Embase) as well as gray literature and hand searches of review articles. We follow standard scoping review methodology and assessment. Out of 10,618 unique articles originally identified, 115 articles were included, representing 49 unique outcomes. The majority of studies were cohort designs (n = 67) and conducted in the United States or Europe (n = 98). Four major outcome groupings were death, neurological disorders, sepsis, and congenital infection. This study identifies substantial research on the common acute complications of L. monocytogenes and few long-term consequences of L. monocytogenes. We identify the need for additional studies to determine the longer term impacts of these acute complications.
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Affiliation(s)
- Kristen Pogreba-Brown
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | - Kylie Boyd
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | - Kenzie Schaefer
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | - Erika Austhof
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | - Alexandra Armstrong
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | - Ama Owusu-Dommey
- Department of Epidemiology and Biostatistics, The University of Arizona, Tucson, Arizona, USA
| | | | - Mona Arora
- Department of Community, Environment and Policy, The University of Arizona, Tucson, Arizona, USA
| | - Jean D McClelland
- Arizona Health Sciences Library, The University of Arizona, Tucson, Arizona, USA
| | - Sandra Hoffman
- U.S. Department of Agriculture, Washington, District of Columbia, USA
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4
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Vallejo P, Cilla G, López-Olaizola M, Vicente D, Marimón JM. Epidemiology and Clinical Features of Listeriosis in Gipuzkoa, Spain, 2010-2020. Front Microbiol 2022; 13:894334. [PMID: 35755994 PMCID: PMC9218358 DOI: 10.3389/fmicb.2022.894334] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/29/2022] [Indexed: 12/28/2022] Open
Abstract
Background Listeriosis continues to be one of the most important notifiable foodborne diseases. Nonetheless, in Spain, there are few data on the molecular epidemiology of Listeria monocytogenes infections in recent years. Aim To describe clinical features and the molecular epidemiology of human listeriosis over an 11-year period (2010–2020) in Gipuzkoa, Northern Spain. Methods A total of 111 isolates, all but one from invasive disease, were studied. Serotyping (agglutination and multiplex polymerase chain reaction [PCR]) and multilocus sequence typing were performed for all isolates. Antibiotic susceptibility was assessed by the broth microdilution method. Results The average annual incidence of listeriosis in non-pregnancy-associated cases was 1.55 per 100,000 population, with a 1-month mortality rate of 22.2%. In pregnant women, the average incidence was 0.45 cases per 1,000 pregnancies. Twenty-four sequence types were identified, serotype 4b ST1 (24.3%) being the most frequent followed by 1/2b ST87 (18.9%), which caused two long outbreaks in 2013–2014. A significant association was observed between ST219 and meningitis (p < 0.001). All isolates were susceptible to ampicillin as well as other antibiotics used in listeriosis treatment. Conclusion Despite current control measures, listeriosis continues to be an important cause of mortality in the elderly, preterm birth, and miscarriages in pregnant women. Improvements in the control and diagnosis of listeriosis are needed to reduce the impact of this infection on vulnerable populations.
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Affiliation(s)
- Pedro Vallejo
- Microbiology Department, Osakidetza Basque Health Service, Donostialdea Integrated Health Organization, San Sebastián, Spain.,Department of Preventive Medicine, University of the Basque Country (UPV/EHU), San Sebastián, Spain
| | - Gustavo Cilla
- Microbiology Department, Infectious Diseases Area, Biodonostia Health Research Institute, Vaccine Preventable Diseases Group, Osakidetza Basque Health Service, Donostialdea Integrated Health Organization, San Sebastián, Spain
| | - Maddi López-Olaizola
- Microbiology Department, Osakidetza Basque Health Service, Donostialdea Integrated Health Organization, San Sebastián, Spain
| | - Diego Vicente
- Department of Preventive Medicine, University of the Basque Country (UPV/EHU), San Sebastián, Spain.,Microbiology Department, Infectious Diseases Area, Respiratory Infection and Antimicrobial Resistance Group, Biodonostia Health Research Institute, Osakidetza Basque Health Service, Donostialdea Integrated Health Organization, San Sebastián, Spain
| | - José María Marimón
- Department of Preventive Medicine, University of the Basque Country (UPV/EHU), San Sebastián, Spain.,Microbiology Department, Infectious Diseases Area, Respiratory Infection and Antimicrobial Resistance Group, Biodonostia Health Research Institute, Osakidetza Basque Health Service, Donostialdea Integrated Health Organization, San Sebastián, Spain
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5
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Russini V, Spaziante M, Varcasia BM, Diaconu EL, Paolillo P, Picone S, Brunetti G, Mattia D, De Carolis A, Vairo F, Bossù T, Bilei S, De Marchis ML. A Whole Genome Sequencing-Based Epidemiological Investigation of a Pregnancy-Related Invasive Listeriosis Case in Central Italy. Pathogens 2022; 11:667. [PMID: 35745521 PMCID: PMC9228178 DOI: 10.3390/pathogens11060667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022] Open
Abstract
Listeriosis is currently the fifth most common foodborne disease in Europe. Most cases are sporadic; however, outbreaks have also been reported. Compared to other foodborne infections, listeriosis has a modest incidence but can cause life-threatening complications, especially in elderly or immunocompromised people and pregnant women. In the latter case, the pathology can be the cause of premature birth or spontaneous abortion, especially if the fetus is affected during the first months of gestation. The causative agent of listeriosis, Listeria monocytogenes, is characterized by the innate ability to survive in the environment and in food, even in adverse conditions and for long periods. Ready-to-eat food represents the category most at risk for contracting listeriosis. This study presents the result of an investigation carried out on a case of maternal-fetal transmission of listeriosis which occurred in 2020 in central Italy and which was linked, with a retrospective approach, to other cases residing in the same city of the pregnant woman. Thanks to the use of next-generation sequencing methodologies, it was possible to identify an outbreak of infection, linked to the consumption of ready-to-eat sliced products sold in a supermarket in the investigated city.
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Affiliation(s)
- Valeria Russini
- Food Microbiology Unit, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (V.R.); (B.M.V.); (T.B.); (S.B.)
| | - Martina Spaziante
- Regional Service Surveillance and Control for Infectious Diseases (SERESMI), National Institute for Infectious Diseases “Lazzaro Spallanzani” IRCCS, 00149 Rome, Italy; (M.S.); (F.V.)
| | - Bianca Maria Varcasia
- Food Microbiology Unit, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (V.R.); (B.M.V.); (T.B.); (S.B.)
| | - Elena Lavinia Diaconu
- Department of General Diagnostics, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy;
| | - Piermichele Paolillo
- UO Neonatologia, Patologia Neonatale e Terapia Intensiva Neonatale (TIN), Policlinico Casilino General Hospital, 00169 Rome, Italy; (P.P.); (S.P.)
| | - Simonetta Picone
- UO Neonatologia, Patologia Neonatale e Terapia Intensiva Neonatale (TIN), Policlinico Casilino General Hospital, 00169 Rome, Italy; (P.P.); (S.P.)
| | - Grazia Brunetti
- Pathology-Microbiology Laboratory, Policlinico Casilino General Hospital, 00169 Rome, Italy;
| | - Daniela Mattia
- Dipartimento di Prevenzione, Servizio Veterinario Area B—Igiene Alimenti di Origine Animale (SIOA), ASL Roma 6, 00072 Rome, Italy;
| | - Angela De Carolis
- Dipartimento di Prevenzione, Servizio di Igiene degli Alimenti e della Nutrizione (SIAN), ASL Roma 6, 00044 Rome, Italy;
| | - Francesco Vairo
- Regional Service Surveillance and Control for Infectious Diseases (SERESMI), National Institute for Infectious Diseases “Lazzaro Spallanzani” IRCCS, 00149 Rome, Italy; (M.S.); (F.V.)
| | - Teresa Bossù
- Food Microbiology Unit, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (V.R.); (B.M.V.); (T.B.); (S.B.)
| | - Stefano Bilei
- Food Microbiology Unit, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (V.R.); (B.M.V.); (T.B.); (S.B.)
| | - Maria Laura De Marchis
- Food Microbiology Unit, Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (V.R.); (B.M.V.); (T.B.); (S.B.)
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Gattuso A, Cella E, Fillo S, Ortoffi MF, Angeletti S, Ciccozzi M, De Medici D, Lista F, Fiore A. Phylogenetic and Evolutionary Genomic Analysis of Listeria monocytogenes Clinical Strains in the Framework of Foodborne Listeriosis Risk Assessment. Front Microbiol 2022; 13:816880. [PMID: 35432277 PMCID: PMC9010861 DOI: 10.3389/fmicb.2022.816880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 02/01/2022] [Indexed: 11/29/2022] Open
Abstract
Listeria monocytogenes is one of the most important foodborne pathogens responsible for listeriosis, a severe disease with symptoms ranging from septicemia, meningoencephalitis, and abortion. Given the strong impact of listeriosis on human health and the difficulty of controlling L. monocytogenes along the food production chain, listeriosis has become a priority subjected to molecular surveillance in European Union/European Economic Area since 2007. From 2018, surveillance is based on whole-genome sequence using the core genome multilocus sequence type. The complete sequences of 132 clinical strains were used to define the evolutionary relatedness among subtypes of L. monocytogenes isolated in Italy from 2010 to 2016, allowing the identification of clades and/or clusters associated with outbreaks or sporadic cases of listeriosis. All the strains analyzed are clustered in lineages I and II, and the majority of the strains were classified as lineage II. A probable epidemic entrance in different years for every clade and cluster from each different region was defined. The persistence of the same specific clonal complexes of L. monocytogenes has been found over long periods; this may be related to the fact that some strains are able to survive better than others in a food production environment. Phylogenic studies, using whole-genome sequence data, are able to identify the emergence of highly persistent pathogenic variants, contributing to improving the hazard characterization of L. monocytogenes.
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Affiliation(s)
- Antonietta Gattuso
- Dipartimento di Sicurezza Alimentare, Nutrizione e Sanità Pubblica Veterinaria, Istituto Superiore di Sanità, Rome, Italy
| | - Eleonora Cella
- Unità di Statistica Medica ed Epidemiologia Molecolare, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Silvia Fillo
- Scientific Department, Army Medical Center, Rome, Italy
| | - Marco Francesco Ortoffi
- Dipartimento di Sicurezza Alimentare, Nutrizione e Sanità Pubblica Veterinaria, Istituto Superiore di Sanità, Rome, Italy
| | - Silvia Angeletti
- Unità di Statistica Medica ed Epidemiologia Molecolare, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Massimo Ciccozzi
- Unità di Statistica Medica ed Epidemiologia Molecolare, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Dario De Medici
- Dipartimento di Sicurezza Alimentare, Nutrizione e Sanità Pubblica Veterinaria, Istituto Superiore di Sanità, Rome, Italy
| | | | - Alfonsina Fiore
- Dipartimento di Sicurezza Alimentare, Nutrizione e Sanità Pubblica Veterinaria, Istituto Superiore di Sanità, Rome, Italy
- *Correspondence: Alfonsina Fiore,
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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: 12] [Impact Index Per Article: 4.0] [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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8
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Girma L, Geteneh A, Amenu D, Kassa T. Isolation and characterization of Listeria monocytogenes among women attending Jimma University medical center, Southwest Ethiopia. BMC Infect Dis 2021; 21:564. [PMID: 34118865 PMCID: PMC8199527 DOI: 10.1186/s12879-021-06254-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/26/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Listeria monocytogenes (LM) has come to be a major public health issue of at-risk groups, causing high morbidity and mortality. Despite this data, studies are very limited in developing countries like Ethiopia. Thus, we aimed to isolate and characterize LM in terms of antibiogram and biofilm formation among pregnant women with fever, women with a history of spontaneous abortion, women with a history of fetal loss, and women with preterm delivery at Jimma University Medical Center (JUMC), southwest Ethiopia. METHODS A cross-sectional study was done among 144 women from June to August 2019. Isolates were tested for antibiotic susceptibility and biofilm formation using disc diffusion and microtiter plate method, respectively. Data were collected using a structured questionnaire, entered into Epidata 3.1 and logistic regression was done by SPSS v25.0. RESULTS LM was isolated in 8 (5.56%) of 144 screened women. The isolation rate of LM was relatively higher among women with a history of fetal loss (9.7%), followed by women with preterm delivery (6.25%). One of the six cord blood was positive for LM, indicating that the transplacental transmission rate at JUMC was 16.7%. More than 2% of women with an ongoing pregnancy were found to have LM septicemia, which could hurt their fetus. All of the isolates tested were susceptible to Ampicillin. However, all of the isolates were resistant to Penicillin and Meropenem and were biofilm producers. CONCLUSIONS The high magnitude of pregnancy-related listeriosis in the current study setting appears that implementation of educational programs targeting risk reduction and more studies to identify sources of LM are warranted. The choice of antibiotics should be after susceptibility testing.
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Affiliation(s)
- Lencho Girma
- Department of Medical Laboratory Science, Mizan Aman College of Health Sciences, Aman, Ethiopia
| | - Alene Geteneh
- Department of Medical Laboratory Science, College of Health Sciences, Woldia University, Woldia, Ethiopia
| | - Demisew Amenu
- Department of Obstetrics and Gynecology, School of Medicine, Jimma University, Jimma, Ethiopia
| | - Tesfaye Kassa
- School of Medical Laboratory Sciences, Jimma University, Jimma, Ethiopia
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10
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GORI M, CICERI G, BIANCHI S, CEREDA D, SENATORE S, GRAMEGNA M, AMENDOLA A, PONTELLO M, TANZI E. Laboratory-based surveillance of invasive listeriosis in Northern Italy over a fourteen-year period: epidemiological and clinical results. JOURNAL OF PREVENTIVE MEDICINE AND HYGIENE 2020; 61:E167-E172. [PMID: 32803001 PMCID: PMC7419120 DOI: 10.15167/2421-4248/jpmh2020.61.2.1473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 02/27/2020] [Indexed: 11/16/2022]
Abstract
Introduction Invasive listeriosis is a rare foodborne disease with a significant impact on public health worldwide, because of the severity of its clinical manifestations and high fatality rate. In this study, we provide a snapshot of epidemiology of listeriosis in Lombardy Region, Northern Italy, reviewing enhanced surveillance data collected over fourteen years, after the implementation of a voluntary laboratory-based surveillance system for the referral of clinical isolates of Listeria monocytogenes to a regional reference laboratory, since 2005. Methods Invasive listeriosis cases data from 2005 to 2018 were extracted from the regional laboratory-based surveillance system database and compared with the regional mandatory notification disease system data. Results Over the fourteen-year period under study, 533 Listeria monocytogenes isolates were detected by the laboratory surveillance system, 55 of which from pregnancy-related cases. The median age of non-pregnancy-associated patients was 71 years, with 64.6% of cases observed in the elderly. Cases with underlying medical risk conditions accounted for 92.1%, and the fatality rate was 26.2%. By integrating data from the mandatory notification system and the laboratory-based surveillance system, a total of 935 cases were recorded. The collection of data through the laboratory surveillance system allowed to increase the surveillance sensitivity by 18%. Conclusions Our results documented the growing epidemiological relevance of listeriosis through the analysis of two information sources, the regional mandatory notification system and the regional laboratory-based surveillance system. The data we obtained were consistent with the literature, except for pregnancy-related cases, which are often underdiagnosed. This study highlighted the importance of laboratory-based surveillance system, which led to a significant increase in the sensitivity of the mandatory notification system.
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Affiliation(s)
- M. GORI
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- Correspondence: Maria Gori, Department of Biomedical Sciences for Health, University of Milan, via Carlo Pascal 36, 20133 Milan, Italy. Tel. +39 02 40222471 - + 39 02 50315124 - E-mail:
| | - G. CICERI
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - S. BIANCHI
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - D. CEREDA
- DG Welfare, UO Prevenzione, Milan, Italy
| | | | | | - A. AMENDOLA
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- Coordinated Research Center “EpiSoMI”, University of Milan, Italy
| | - M. PONTELLO
- Coordinated Research Center “EpiSoMI”, University of Milan, Italy
| | - E. TANZI
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- Coordinated Research Center “EpiSoMI”, University of Milan, Italy
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11
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Li C, Zeng H, Ding X, Chen Y, Liu X, Zhou L, Wang X, Cheng Y, Hu S, Cao Z, Liu R, Yin C. Perinatal listeriosis patients treated at a maternity hospital in Beijing, China, from 2013-2018. BMC Infect Dis 2020; 20:601. [PMID: 32799811 PMCID: PMC7429786 DOI: 10.1186/s12879-020-05327-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 08/05/2020] [Indexed: 12/12/2022] Open
Abstract
Background Listeriosis is a rare but severe foodborne infectious disease. Perinatal listeriosis is often associated with septicemia, central nervous system (CNS) infection, and serious adverse pregnancy outcomes (miscarriage and neonate death). Here we report the characteristics and outcomes of perinatal listeriosis cases treated over 6 years at Beijing Obstetrics and Gynecology Hospital (BOGH), the largest maternity hospital in China. Methods We retrospectively reviewed the records of laboratory-confirmed, pregnancy-associated listeriosis cases treated from January 1, 2013 to December 31, 2018. The clinical manifestations, laboratory results, perinatal complications and outcomes (post-natal follow-up of 6 months) were investigated. Results In BOGH, 12 perinatal listeriosis cases were diagnosed based on Listeria monocytogenes positive culture, including 10 single pregnancies and 2 twin pregnancies. The corresponding incidence of pregnancy-associated listeriosis was 13.7/100,000 deliveries. Among those cases, four pregnant women and four newborns had septicemia, and two of the neonates with septicemia also suffered CNS infection. All the maternal patients recovered. Two inevitable miscarriages and four fetal stillbirths occurred. Of the eight delivered newborns, six survived, and two died within 2 days from birth. None of the survivors had neurological sequelae during a 6-month follow-up. The overall feto-neonatal fatality rate was 57.1%; notably, this rate was 100% for infections occurring during the second trimester of pregnancy and only 14.3% for those occurring in the third trimester. Conclusions Perinatal listeriosis is associated with high feto-neonatal mortality, and thus, a public health concern. Additional large-scale studies are needed to strengthen the epidemiological understanding of listeriosis in China.
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Affiliation(s)
- Chunyun Li
- Department of Internal Medicine, Capital Medical University Beijing Obstetrics and Gynecology Hospital, No. 251 Yaojiayuan Road, Chaoyang District, Beijing, 100026, P. R. China
| | - Huihui Zeng
- Department of Neonatology, Capital Medical University, Beijing, China
| | - Xin Ding
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Yi Chen
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Xiaowei Liu
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Li Zhou
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Xin Wang
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Yumei Cheng
- Department of Obstetrics, Capital Medical University, Beijing, China
| | - Shanshan Hu
- Department of Disease Prevention and Control and Nosocomial Infection, Capital Medical University, Beijing, China
| | - Zheng Cao
- Department of Clinical Laboratory, Capital Medical University, Beijing, China
| | - Ruixia Liu
- Department of Central Laboratory, Capital Medical University Beijing Obstetrics and Gynecology Hospital, 251 Yaojiayuan Road, Chaoyang District, Beijing, 100026, P. R. China.
| | - Chenghong Yin
- Department of Internal Medicine, Capital Medical University Beijing Obstetrics and Gynecology Hospital, No. 251 Yaojiayuan Road, Chaoyang District, Beijing, 100026, P. R. China.
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12
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Serventi L, Curi B, Johns R, Silva J, Bainbridge R, Gaither K. Pregnancy Complicated by Listeria Monocytogenes: A Case Report and Review of the Literature. J Natl Med Assoc 2020; 112:428-432. [PMID: 33526229 DOI: 10.1016/j.jnma.2020.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 03/27/2020] [Accepted: 05/02/2020] [Indexed: 11/18/2022]
Abstract
Listeria Monocytogenes, a small facultative anaerobic, gram positive, motile bacillus is a rare, but consequential etiologic agent of food borne illness which inordinately impacts immunocompromised individuals. The organism infects many types of animals and contaminates a multitude of foodstuffs such as milk, chicken, beef and vegetables. This microbe additionally has a distinct proclivity to infect the maternal-fetoplacental unit with resultant adverse perinatal outcomes inclusive of spontaneous abortion, preterm delivery, chorioamnionitis, neonatal meningitis and death. We present a case of Listeriosis complicating pregnancy with a subsequent comprehensive review of the literature.
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Affiliation(s)
- Lisa Serventi
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY
| | - Berenice Curi
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY
| | - Rochelle Johns
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY
| | - Jessica Silva
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY
| | - Ronald Bainbridge
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY
| | - Kecia Gaither
- NYC Health+ Hospitals/Lincoln, Department of Ob/Gyn, 234 East 149th Street, Bronx, 10451, NY.
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13
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Filipello V, Mughini-Gras L, Gallina S, Vitale N, Mannelli A, Pontello M, Decastelli L, Allard MW, Brown EW, Lomonaco S. Attribution of Listeria monocytogenes human infections to food and animal sources in Northern Italy. Food Microbiol 2020; 89:103433. [PMID: 32138991 DOI: 10.1016/j.fm.2020.103433] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 12/16/2019] [Accepted: 01/15/2020] [Indexed: 12/16/2022]
Abstract
Listeriosis is a foodborne illness characterized by a relatively low morbidity, but a large disease burden due to the severity of clinical manifestations and the high case fatality rate. Increased listeriosis notifications have been observed in Europe since the 2000s. However, the reasons for this increase are largely unknown, with the sources of sporadic human listerioris often remaining elusive. Here we inferred the relative contributions of several putative sources of Listeria monocytogenes strains from listerioris patients in Northern Italy (Piedmont and Lombardy regions), using two established source attribution models (i.e. 'Dutch' and 'STRUCTURE') in comparative fashion. We compared the Multi-Locus Sequence Typing and Multi-Virulence-Locus Sequence Typing profiles of strains collected from beef, dairy, fish, game, mixed foods, mixed meat, pork, and poultry. Overall, 634 L. monocytogenes isolates were collected from 2005 to 2016. In total, 40 clonal complexes and 51 virulence types were identified, with 36% of the isolates belonging to possible epidemic clones (i.e. genetically related strains from unrelated outbreaks). Source attribution analysis showed that 50% of human listerioris cases (95% Confidence Interval 44-55%) could be attributed to dairy products, followed by poultry and pork (15% each), and mixed foods (15%). Since the contamination of dairy, poultry and pork products are closely linked to primary production, expanding actions currently limited to ready-to-eat products to the reservoir level may help reducing the risk of cross-contamination at the consumer level.
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Affiliation(s)
- Virginia Filipello
- University of Turin. Largo P, Braccini, 2, 10095, Grugliasco, Italy; Isituto Zooprofilattico Sperimentale Della Lombardia e Dell'Emilia Romagna, Via A. Bianchi, 9, 25124, Brescia, Italy.
| | - Lapo Mughini-Gras
- National Institute for Public Health and the Environment (RIVM), Center for Infectious Disease Control, Antonie van Leeuwenhoeklaan, 9, 3721 MA, Bilthoven, Netherlands; Utrecht University, Institute for Risk Assessment Sciences (IRAS), Yalelaan 2, 3584, CM, Utrecht, the Netherlands.
| | - Silvia Gallina
- Istituto Zooprofilattico Sperimentale Del Piemonte, Liguria e Valle D'Aosta, Via Bologna, 148, 10154, Torino, Italy.
| | - Nicoletta Vitale
- Istituto Zooprofilattico Sperimentale Del Piemonte, Liguria e Valle D'Aosta, Via Bologna, 148, 10154, Torino, Italy.
| | | | | | - Lucia Decastelli
- Istituto Zooprofilattico Sperimentale Del Piemonte, Liguria e Valle D'Aosta, Via Bologna, 148, 10154, Torino, Italy.
| | - Marc W Allard
- US Food & Drug Administration. 5001 Campus Drive, 20740, College Park, MD, USA.
| | - Eric W Brown
- US Food & Drug Administration. 5001 Campus Drive, 20740, College Park, MD, USA.
| | - Sara Lomonaco
- University of Turin. Largo P, Braccini, 2, 10095, Grugliasco, Italy; US Food & Drug Administration. 5001 Campus Drive, 20740, College Park, MD, USA.
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14
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Kuch A, Goc A, Belkiewicz K, Filipello V, Ronkiewicz P, Gołębiewska A, Wróbel I, Kiedrowska M, Waśko I, Hryniewicz W, Lomonaco S, Skoczyńska A. Molecular diversity and antimicrobial susceptibility of Listeria monocytogenes isolates from invasive infections in Poland (1997-2013). Sci Rep 2018; 8:14562. [PMID: 30267005 PMCID: PMC6162231 DOI: 10.1038/s41598-018-32574-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 09/11/2018] [Indexed: 11/24/2022] Open
Abstract
The epidemiology of invasive listeriosis in humans appears to be weakly characterized in Poland, the sixth most populous member state of the European Union. We obtained antimicrobial susceptibility data, PCR-serogroups and genotypic profiles for 344 invasive isolates of Listeria monocytogenes, collected between 1997 and 2013 in Poland. All isolates were susceptible to the 10 tested antimicrobials, except one that was resistant to tetracycline and minocycline and harbored the tet(M), tet(A) and tet(C) genes. Overall, no increasing MIC values were observed during the study period. Four PCR-serogroups were observed: IVb (55.8%), IIa (34.3%), IIb (8.1%) and IIc (1.8%). We identified clonal complexes (CCs) and epidemic clones (ECs) previously involved in outbreaks worldwide, with the most prevalent CCs/ECs being: CC6/ECII (32.6%), CC1/ECI (17.2%), CC8/ECV (6.1%) and CC2/ECIV (5.5%). The present study is the first extensive analysis of Polish L. monocytogenes isolates from invasive infections.
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Affiliation(s)
- Alicja Kuch
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Anna Goc
- Nicolaus Copernicus University, Department of Genetics, Toruń, 87-100, Poland.
| | - Katarzyna Belkiewicz
- National Tuberculosis and Lung Diseases Research Institute, Department of Microbiology, Warsaw, 01-138, Poland
| | - Virginia Filipello
- University of Turin, Department of Veterinary Sciences, Grugliasco, 10095, Italy
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna, Brescia, 25124, Italy
| | - Patrycja Ronkiewicz
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Agnieszka Gołębiewska
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Izabela Wróbel
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Marlena Kiedrowska
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Izabela Waśko
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Waleria Hryniewicz
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
| | - Sara Lomonaco
- University of Turin, Department of Veterinary Sciences, Grugliasco, 10095, Italy
- US Food and Drug Administration, College Park, Maryland, 20740, USA
| | - Anna Skoczyńska
- National Medicines Institute, Department of Epidemiology and Clinical Microbiology, Warsaw, 00-725, Poland
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15
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Nutrition and listeriosis during pregnancy: a systematic review. J Nutr Sci 2018; 7:e25. [PMID: 30275948 PMCID: PMC6161013 DOI: 10.1017/jns.2018.16] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 07/19/2018] [Accepted: 07/24/2018] [Indexed: 11/07/2022] Open
Abstract
Listeriosis is a rare but severe foodborne illness which is more common in populations such as pregnant women, and can result in serious complications including miscarriage, prematurity, maternal and neonatal sepsis, and death in the newborn. Population recommendations exist for specific foods and food preparation practices to reduce listeriosis risk during pregnancy. The aim of the present systematic review was to assess the association between listeriosis and these practices during pregnancy to confirm appropriateness of these recommendations. We searched MEDLINE, Embase, CINAHL Plus, Web of Science Core Collection, included articles' references, and contacted clinical experts. All databases were searched until July 2017. Case-control and cohort studies were included which assessed pregnant women or their newborn offspring with known listeriosis status and a nutritional exposure consistent with international population recommendations for minimising listeriosis. Outcomes included listeriosis with or without pregnancy outcomes. Risk of bias was assessed through the Newcastle-Ottawa Scale. Results were described narratively due to clinical heterogeneity in differences in nutritional exposures. Eleven articles comprising case-control or cross-sectional studies met the inclusion criteria. Cases of maternal, fetal or neonate listeriosis were more likely to have consumed high-risk dairy products, meat products or some fruits during pregnancy in comparison with women without listeriosis. Cases of listeriosis were more likely to have consumed foods that are highlighted in population guidelines to avoid to minimise listeriosis in comparison with those without listeriosis during pregnancy. Further research is warranted assessing means of improving the reach, uptake and generalisability of population guidelines for reducing listeriosis during pregnancy.
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16
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Tamburro M, Sammarco ML, Ripabelli G. High resolution melting analysis for the characterization of lineage II Listeria monocytogenes serovars 1/2a and 1/2c based on single nucleotide polymorphisms identification within the Listeria Pathogenicity Island-1 and inlAB operon: a novel approach for epidemiological surveillance. J Appl Microbiol 2018; 125:1920-1937. [PMID: 30187619 DOI: 10.1111/jam.14100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 07/02/2018] [Accepted: 08/18/2018] [Indexed: 01/16/2023]
Abstract
AIMS A high resolution melting (HRM) assay was developed for characterizing lineage II Listeria monocytogenes based on the amplification and the melting profiles analysis of 81 fragments targeting the region from the prs to ldh loci, including the Listeria Pathogenicity Island-1 (LIPI-1) genes and the inlAB operon. METHODS AND RESULTS Real-time PCR and HRM protocols were standardized using 10 replicate assays from L. monocytogenes EGD-e reference strain (serovar 1/2a). Twenty wild-type isolates of serovar 1/2a and two of serovar 1/2c were tested, and differences between EGD-e strain and the wild-type isolates were defined if the melting temperature (Tm ) of an amplicon was not within the lower and the upper limits calculated from replicate testing on EGD-e. The analysis revealed 17 and 19 HRM profiles with respect to prs/LIPI-1/ldh and inlAB target regions (Simpson's Index of Diversity 0·979 and 0·983) respectively. The 1/2c cultures showed 98·1% similarity to melting characteristics with EGD-e, whilst 1/2a isolates had the greatest heterogeneity that was related to inlA, inlB and actA genes. Sequencing of amplicons generating different Tm values from EGD-e confirmed the presence of point mutations. CONCLUSIONS This method was useful for L. monocytogenes subtyping based on single nucleotide polymorphisms detection through the melting behaviour analysis of main virulence genes. SIGNIFICANCE AND IMPACT OF THE STUDY The study underlines the effectiveness of HRM in differentiating L. monocytogenes strains with high discriminatory power, thus rendering it useful for epidemiological surveillance.
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Affiliation(s)
- M Tamburro
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - M L Sammarco
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
| | - G Ripabelli
- Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, Campobasso, Italy
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17
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Li W, Bai L, Fu P, Han H, Liu J, Guo Y. The Epidemiology ofListeria monocytogenesin China. Foodborne Pathog Dis 2018; 15:459-466. [DOI: 10.1089/fpd.2017.2409] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Weiwei Li
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Li Bai
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Ping Fu
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Haihong Han
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Jikai Liu
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Yunchang Guo
- Division of Foodborne Disease Surveillance, China National Center for Food Safety Risk Assessment, Beijing, China
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Zahedi Bialvaei A, Sheikhalizadeh V, Mojtahedi A, Irajian G. Epidemiological burden of Listeria monocytogenes in Iran. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2018; 21:770-780. [PMID: 30186562 PMCID: PMC6118087 DOI: 10.22038/ijbms.2018.28823.6969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Listeria monocytogenes is a foodborne pathogenic bacteria causing the infection listeriosis, which possibly affects all people, particularly immunocompromised persons and pregnant women. This microorganism can be found in several processed foods, dairy products, raw milk, meat and fish products, seafoods, eggs, fruits, and vegetables. This review discusses about the epidemiological significance, incidence, contamination routes of L. monocytogenes in different products and current data about listeriosis in the Iran. MATERIALS AND METHODS For accessing to relevant articles and studies, a search was done in main databases and also, almost all Iranian published articles were studied in this field. RESULTS Outbreaks of listeriosis have been reported in many parts of the worldwide, however there is scanty data about the prevalence of listeriosis in Iran. Accordingly, as a result of high incidence of L. monocytogenes in women with bad obstetric history or history of abortions, diagnosis procedures for detection of L. monocytogenes and timely treatment was suggested. CONCLUSION In spite of low incidence of infection in the past, increased interest for lightly preserved and/or ready-to-eat (RTE) food products has recently led to increasing of L. monocytogenes prevalence which has become a public health concern. Subsequently, further researches about the prevalence of L. monocytogenes and also antibiotic susceptibility testing is needed to enable the detection of the contaminated foods, as well as ensures the effective treatment.
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Affiliation(s)
- Abed Zahedi Bialvaei
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Vajihe Sheikhalizadeh
- Department of Medical Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Mojtahedi
- Department of Microbiology, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Gholamreza Irajian
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran,Corresponding author: Gholamreza Irajian. Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. Tel: +98-21-66728112-3 (103); Fax: +98-21-66728121;
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19
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Pucci L, Massacesi M, Liuzzi G. Clinical management of women with listeriosis risk during pregnancy: a review of national guidelines. Expert Rev Anti Infect Ther 2017; 16:13-21. [DOI: 10.1080/14787210.2018.1417837] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Lisa Pucci
- Diatheva s.r.l., Sant’Anna di Cartoceto (PU), Italy
| | - Mario Massacesi
- Department of Obstetrics and Gynaecology, Hospital Principe di Piemonte, Senigallia (AN), Italy
| | - Giuseppina Liuzzi
- Center for the prevention and treatment of infections during pregnancy, National Institute for Infectious Diseases (INMI) ‘Lazzaro Spallanzani’, Rome, Italy
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