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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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2
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Ling Z, Zhao D, Xie X, Yao H, Wang Y, Kong S, Chen X, Pan Z, Jiao X, Yin Y. inlF Enhances Listeria monocytogenes Early-Stage Infection by Inhibiting the Inflammatory Response. Front Cell Infect Microbiol 2022; 11:748461. [PMID: 35223532 PMCID: PMC8866704 DOI: 10.3389/fcimb.2021.748461] [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: 07/28/2021] [Accepted: 11/09/2021] [Indexed: 12/16/2022] Open
Abstract
The internalin family proteins, which carry the leucine repeat region structural motif, play diverse roles in Listeria monocytogenes (Lm) infection and pathogenesis. Although Internalin F, encoded by inlF, was identified more than 20 years ago, its role in the Lm anti-inflammatory response remains unknown. Lm serotype 4b isolates are associated with the majority of listeriosis outbreaks, but the function of InlF in these strains is not fully understood. In this study, we aimed to elucidate the role of inlF in modulating the inflammatory response and pathogenesis of the 4b strain Lm NTSN. Strikingly, although inlF was highly expressed at the transcriptional level during infection of five non-phagocytic cell types, it was not involved in adherence or invasion. Conversely, inlF did contributed to Lm adhesion and invasion of macrophages, and dramatically suppressed the expression of pro-inflammatory cytokines interleukin (IL)-1β and tumor necrosis factor (TNF-α). Consistent with the in vitro results, during Lm infection mice, inlF significantly inhibited the expression of IL-1β and IL-6 in the spleen, as well as IL-1β, IL-6, and TNF-α in the liver. More importantly, inlF contributed to Lm colonization in the spleen, liver, and ileum during the early stage of mouse infection via intragastric administration, inducing severe inflammatory injury and histopathologic changes in the late stage. To our knowledge, this is the first report to demonstrate that inlF mediates the inhibition of the pro-inflammatory response and contributes to the colonization and survival of Lm during the early stage of infection in mice. Our research partly explains the high pathogenicity of serovar 4b strains and will lead to new insights into the pathogenesis and immune evasion of Lm.
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Affiliation(s)
- Zhiting Ling
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Dan Zhao
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xinyu Xie
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Hao Yao
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Yuting Wang
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Suwei Kong
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xiang Chen
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Zhiming Pan
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xin’an Jiao
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
- *Correspondence: Xin’an Jiao, ; Yuelan Yin,
| | - Yuelan Yin
- Jangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, The Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
- *Correspondence: Xin’an Jiao, ; Yuelan Yin,
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3
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ULUDAĞ AA, ARSLAN AYDOĞDU EÖ, KİMİRAN A. The Determination of Presence of Listeria monocytogenes in Ground Meat Sold in Istanbul. GAZI UNIVERSITY JOURNAL OF SCIENCE 2022. [DOI: 10.35378/gujs.972909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Among the 21 different species of the Listeria genus, Listeria monocytogenes is the most common and listeriosis agent in humans. The mortality rate of L. monocytogenes infection is higher than the other common foodborne pathogens such as Salmonella Enteritidis, Campylobacter and Vibrio species. In the current study, it is aimed to determine the presence of L. monocytogenes bacteria in minced meat samples sold in Istanbul province by using the culture method of the USDA-FSIS. In this study, 100 minced meat samples purchased from different butchers in 11 districts of Istanbul between December 2018 and November 2019 were examined for the presence of L. monocytogenes. The bacteria identified also molecularly verified according to the presence of iap and hlyA gene regions by the polymerase chain reaction (PCR) method. When antibiotic susceptibility tests of 21 strains, identified as L. monocytogenes through biochemical tests, it was found to be resistant to Amoxicillin/Clavulanic acid (14.28%), penicillin (9.52%), cefaclor (9.52%), vancomycin (9.52%), ciprofloxacin (9.52%) and trimethoprim-sulfamethoxazole (9.52%) and susceptible to ampicillin (100%) and tetracycline (100%). In terms of iap and hlyA gene regions, only 16 of 21 isolates, identified as L. monocytogenes as a result of biochemical tests, were found to be L. monocytogenes. In our study with minced meat offered for sale in Istanbul, although, the L. monocytogenes isolation rate (17%) and the incidence of antibiotic resistance of the isolated L. monocytogenes bacteria are low, it was concluded that minced meat may pose a public health risk.
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Affiliation(s)
| | - Elif Özlem ARSLAN AYDOĞDU
- ISTANBUL UNIVERSITY, FACULTY OF SCIENCE, DEPARTMENT OF BIOLOGY, DEPARTMENT OF FUNDAMENTAL AND INDUSTRIAL MICROBIOLOGY
| | - Ayten KİMİRAN
- ISTANBUL UNIVERSITY, FACULTY OF SCIENCE, DEPARTMENT OF BIOLOGY, DEPARTMENT OF FUNDAMENTAL AND INDUSTRIAL MICROBIOLOGY
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4
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Blot M, Disson O, Leclercq A, Moura A, Bracq-Dieye H, Thouvenot P, Valès G, Burroni B, Lupo A, Lecuit M, Charlier C. Listeria-Associated Lymphadenitis: A Series of 11 Consecutive Cases and Review of the Literature. Open Forum Infect Dis 2022; 9:ofab598. [PMID: 35036463 PMCID: PMC8754372 DOI: 10.1093/ofid/ofab598] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/24/2021] [Indexed: 11/14/2022] Open
Abstract
We studied 11 cases of culture-proven Listeria-associated lymphadenitis reported to the French National Reference Center for Listeria from 1994 to 2019 and 8 additional published cases. Listeria-associated lymphadenitis is rare, but it is associated with a mortality as high as for invasive listeriosis, and it is frequently diagnosed with concomitant neoplasia.
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Affiliation(s)
- Mathieu Blot
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France.,Necker-Enfants Malades University Hospital, Division of Infectious Diseases and Tropical Medicine, Assistance Publique-Hôpitaux de Paris, Institut Imagine, Paris, France.,Institut Pasteur, Université de Paris, Inserm U1117, Biology of Infection Unit, Paris, France
| | - Olivier Disson
- Institut Pasteur, Université de Paris, Inserm U1117, Biology of Infection Unit, Paris, France
| | - Alexandre Leclercq
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France
| | - Alexandra Moura
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France.,Institut Pasteur, Université de Paris, Inserm U1117, Biology of Infection Unit, Paris, France
| | - Hélène Bracq-Dieye
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France
| | - Pierre Thouvenot
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France
| | - Guillaume Valès
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France
| | - Barbara Burroni
- Department of Anatomopathology, Paris Centre University Hospital, Paris, France
| | - Audrey Lupo
- Department of Anatomopathology, Paris Centre University Hospital, Paris, France
| | - Marc Lecuit
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France.,Necker-Enfants Malades University Hospital, Division of Infectious Diseases and Tropical Medicine, Assistance Publique-Hôpitaux de Paris, Institut Imagine, Paris, France.,Institut Pasteur, Université de Paris, Inserm U1117, Biology of Infection Unit, Paris, France
| | - Caroline Charlier
- Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Paris, France.,Institut Pasteur, Université de Paris, Inserm U1117, Biology of Infection Unit, Paris, France.,Paris Centre University Hospitals, Department of Infectious Diseases and Tropical Medicine, Institut Imagine, Paris, France
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5
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Schaefer K, Austhof E, Boyd K, Armstrong A, Hoffman S, Pogreba-Brown K. Septicemia Due to Listeria monocytogenes Infection: A Systematic Review and Meta-Analysis. Foodborne Pathog Dis 2021; 19:104-114. [PMID: 34883025 DOI: 10.1089/fpd.2021.0046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Listeriosis is a rare bacterial infection associated with foodborne illness that can result in septicemia, a serious acute outcome. Sepsis is responsible for one in three deaths during hospitalization. The objective of this study was to conduct a systematic review and meta-analysis to estimate the proportion of Listeria monocytogenes infections resulting in septicemia. PubMed, Embase, Scopus, and Web of Science were searched from January 1, 2000, to April 1, 2018, for epidemiological studies that assessed studies focusing on L. monocytogenes infections with the outcome of septicemia. Articles in English, Spanish, and Portuguese using case-control, cohort, or outbreak studies reporting measures of association between L. monocytogenes and septicemia were included. Bias and heterogeneity were assessed using univariate meta-regression for region, sample size, study design, and report method. Nineteen articles were eligible for inclusion post-screening, the majority of which were conducted in Europe (n = 15); utilized a retrospective cohort design (n = 16); and collected data via routine or laboratory surveillance methods (n = 10). Prevalence of sepsis ranged from 4.2% to 100% among study populations of 6 to 1374 individuals. Overall, the proportion of listeriosis cases that developed sepsis was 46% (95% confidence interval [CI] 31.0-61.0%); for neonatal cases, 21.3% (95% CI 11.0-31.6%); and for maternal and neonatal cases, 18.8% (95% CI 10.7-26.8%). The heterogeneity was high for overall and group meta-analyses, but it could not be explained by the subanalyses for the overall proportion, whereas for neonatal, and neonatal and maternal cases combined, China had a significantly lower proportion than Europe and the United States. Septicemia following L. monocytogenes infection is a severe acute complication with 31-61% rate found overall; however, greater delineation of demographic data is needed to determine important risk factors. Future research should aim to address the gaps in knowledge in the long-term outcomes of sepsis from L. monocytogenes infection, and whether these outcomes differ from those due to other infections.
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Affiliation(s)
- Kenzie Schaefer
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA
| | - Erika Austhof
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA
| | - Kylie Boyd
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA
| | - Alexandra Armstrong
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA
| | - Sandra Hoffman
- U.S. Department of Agriculture, Economic Research Service, Washington, District of Columbia, USA
| | - Kristen Pogreba-Brown
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA
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6
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Watanabe Y, Nakamura I, Miura Y, Watanabe H. The seasonality, steroid use, and lower ratio of neutrophil to lymphocyte associated with bacteremia of Listeria monocytogenes in Japan from 2010 to 2019: a case-control study. BMC Infect Dis 2021; 21:1212. [PMID: 34865638 PMCID: PMC8647357 DOI: 10.1186/s12879-021-06926-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 11/29/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Despite having a high mortality rate, Asian studies about the characteristics of adult listeriosis are limited. We investigated the incidence of listeriosis per admissions, associated factors, and rate of mortality in listeriosis, compared with non-listeriosis. METHODS We recorded the incidence of listeriosis per 10,000 admissions and conducted a case-control study from January 1, 2010, to December 31, 2019, at Tokyo Medical University Hospital (TMUH) in Japan. Cases were defined as adult with listeriosis that was bacteremia due to L. monocytogenes. Controls, defined as adult with non-listeriosis bacteremia due to other pathogens, were matched by age and clinical department to cases. We analyzed differences in seasonality, including warm season (defined as the period from May to October), medication including steroids, laboratory findings, and mortality. The odds ratio and p value between the cases group and control group were calculated using a chi-square test and Fisher's exact test. RESULTS The incidence of listeriosis per 10,000 admissions to TMUH was 0.51. Eleven patients, excluding one neonate, were included in the case group. Twenty-six patients, excluding one patient because of contamination and one patient because of insufficient medical record, were included in the control group. Listeriosis onset was associated with the warm season (90.9% vs. 53.8%; p = 0.033), steroid use (54.5% vs. 19.2%; p = 0.042), and a lower ratio of neutrophils to lymphocytes (9.46 vs. 18.44; p = 0.015). The 30-day mortality rate of listeriosis was similar to non-listeriosis (18.3% vs. 19.2%; p = 0.619). CONCLUSION The incidence of listeriosis per admissions in this study was similar to that in other Asian countries. Factors associated with listeriosis were the warm season, steroid use, and a lower ratio of neutrophils to lymphocytes. Additionally, the 30-day mortality rate was similarly high in both the listeriosis and non-listeriosis groups.
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Affiliation(s)
- Yusuke Watanabe
- Department of Infection Prevention and Control, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Itaru Nakamura
- Department of Infection Prevention and Control, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Yuri Miura
- Department of Microbiology Laboratory, Tokyo Medical University Hospital, Tokyo, Japan
| | - Hidehiro Watanabe
- Department of Infection Prevention and Control, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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7
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Shoai-Tehrani M, Pilmis B, Maury MM, Robineau O, Disson O, Jouvion G, Coulpier G, Thouvenot P, Bracq-Dieye H, Valès G, Leclercq A, Lecuit M, Charlier C. Listeria monocytogenes-associated endovascular infections: A study of 71 consecutive cases. J Infect 2019; 79:322-331. [DOI: 10.1016/j.jinf.2019.07.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/19/2019] [Accepted: 07/26/2019] [Indexed: 10/26/2022]
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8
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Agustín MDR, Brugnoni L. Multispecies biofilms betweenListeria monocytogenesandListeria innocuawith resident microbiota isolated from apple juice processing equipment. J Food Saf 2018. [DOI: 10.1111/jfs.12499] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- María del Rosario Agustín
- Department of Biology, Biochemistry and Pharmacy; Universidad Nacional del Sur (UNS); Bahía Blanca Argentina
| | - Lorena Brugnoni
- Institute of Biological and Biomedical Sciences of the South (INBIOSUR); Universidad Nacional del Sur (UNS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Bahía Blanca Argentina
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9
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Chersich MF, Wright CY, Venter F, Rees H, Scorgie F, Erasmus B. Impacts of Climate Change on Health and Wellbeing in South Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E1884. [PMID: 30200277 PMCID: PMC6164733 DOI: 10.3390/ijerph15091884] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/17/2018] [Accepted: 08/24/2018] [Indexed: 11/17/2022]
Abstract
Given its associated burden of disease, climate change in South Africa could be reframed as predominately a health issue, one necessitating an urgent health-sector response. The growing impact of climate change has major implications for South Africa, especially for the numerous vulnerable groups in the country. We systematically reviewed the literature by searching PubMed and Web of Science. Of the 820 papers screened, 34 were identified that assessed the impacts of climate change on health in the country. Most papers covered effects of heat on health or on infectious diseases (20/34; 59%). We found that extreme weather events are the most noticeable effects to date, especially droughts in the Western Cape, but rises in vector-borne diseases are gaining prominence. Climate aberration is also linked in myriad ways with outbreaks of food and waterborne diseases, and possibly with the recent Listeria epidemic. The potential impacts of climate change on mental health may compound the multiple social stressors that already beset the populace. Climate change heightens the pre-existing vulnerabilities of women, fishing communities, rural subsistence farmers and those living in informal settlements. Further gender disparities, eco-migration and social disruptions may undermine the prevention-but also treatment-of HIV. Our findings suggest that focused research and effective use of surveillance data are required to monitor climate change's impacts; traditional strengths of the country's health sector. The health sector, hitherto a fringe player, should assume a greater leadership role in promoting policies that protect the public's health, address inequities and advance the country's commitments to climate change accords.
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Affiliation(s)
- Matthew F Chersich
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2000, South Africa.
| | - Caradee Y Wright
- Environment and Health Research Unit, South African Medical Research Council and Department of Geography, Geoinformatics and Meteorology, University of Pretoria, Pretoria, Hatfield, Private Bag X200028, South Africa.
| | - Francois Venter
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2000, South Africa.
| | - Helen Rees
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2000, South Africa.
| | - Fiona Scorgie
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2000, South Africa.
| | - Barend Erasmus
- Global Change Institute, University of the Witwatersrand, Johannesburg 2000, South Africa.
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10
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Prevalence and methodologies for detection, characterization and subtyping of Listeria monocytogenes and L. ivanovii in foods and environmental sources. FOOD SCIENCE AND HUMAN WELLNESS 2017. [DOI: 10.1016/j.fshw.2017.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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11
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Jensen AK, Björkman JT, Ethelberg S, Kiil K, Kemp M, Nielsen EM. Molecular Typing and Epidemiology of Human Listeriosis Cases, Denmark, 2002-2012. Emerg Infect Dis 2016; 22:625-33. [PMID: 26982714 PMCID: PMC4806936 DOI: 10.3201/eid2204.150998] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Denmark has a high incidence of invasive listeriosis (0.9 cases/100,000 population in 2012). We analyzed patient data, clinical outcome, and trends in pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) of Listeria monocytogenes strains isolated in Denmark during 2002-2012. We performed 2-enzyme PFGE and serotyping on 559 isolates and MLST on 92 isolates and identified some correlation between molecular type and clinical outcome and patient characteristics. We found 178 different PFGE types, but isolates from 122 cases belonged to just 2 closely related PFGE types, clonal complex 8 and sequence type 8. These 2 types were the main cause of a peak in incidence of invasive listeriosis during 2005-2009, possibly representing an outbreak or the presence of a highly prevalent clone. However, current typing methods could not fully confirm these possibilities, highlighting the need for more refined discriminatory typing methods to identify outbreaks within frequently occurring L. monocytogenes PFGE types.
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12
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Fang C, Shan Y, Cao T, Xia Y, Xin Y, Cheng C, Song H, Li X, Fang W. Prevalence and Virulence Characterization of Listeria monocytogenes in Chilled Pork in Zhejiang Province, China. Foodborne Pathog Dis 2015; 13:8-12. [PMID: 26393675 DOI: 10.1089/fpd.2015.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Listeria monocytogenes is an important foodborne pathogen that can grow in refrigeration temperature and causes severe human infections. The aims of this work were to estimate the prevalence of L. monocytogenes in chilled pork in Zhejiang, China and to examine the virulence features of the isolates. Of 331 meat samples, 196 were positive for Listeria spp., with L. innocua accounting for 54.4%, L. monocytogenes for 11.5%, and L. welshimeri for 4.2%. The most prevalent L. monocytogenes serotype was 1/2c (60.5%), followed by serotypes 1/2a (28.9%), 1/2b (7.9%), and 4b (2.6%). All L. monocytogenes isolates contained virulence-associated genes examined. Adhesion and invasion ability of serotype 1/2c isolates was much lower than those of other serotypes. Only one isolate was defective in cell-to-cell spread. These findings are important for risk assessment of chilled pork as a source of potential transmission of L. monocytogenes to other food products, particularly to ready-to-eat food products.
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Affiliation(s)
- Chun Fang
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Ying Shan
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Tong Cao
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Ye Xia
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Yongping Xin
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Changyong Cheng
- 2 College of Animal Science and Technology, Zhejiang A&F University , Lin'an, Zhejiang, China
| | - Houhui Song
- 2 College of Animal Science and Technology, Zhejiang A&F University , Lin'an, Zhejiang, China
| | - Xiaoliang Li
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China
| | - Weihuan Fang
- 1 Zhejiang University Institute of Preventive Veterinary Medicine and Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine , Hangzhou, Zhejiang, China .,2 College of Animal Science and Technology, Zhejiang A&F University , Lin'an, Zhejiang, China
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13
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Magalhaes R, Almeida G, Ferreira V, Santos I, Silva J, Mendes MM, Pita J, Mariano G, Mancio I, Sousa MM, Farber J, Pagotto F, Teixeira P. Cheese-related listeriosis outbreak, Portugal, March 2009 to February 2012. ACTA ACUST UNITED AC 2015; 20. [PMID: 25955775 DOI: 10.2807/1560-7917.es2015.20.17.21104] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In Portugal, listeriosis has been notifiable since April 2014, but there is no active surveillance programme for the disease. A retrospective study involving 25 national hospitals led to the detection of an outbreak that occurred between March 2009 and February 2012. The amount of time between the start of the outbreak and its detection was 16 months. Of the 30 cases of listeriosis reported, 27 were in the Lisbon and Vale do Tejo region. Two cases were maternal/neonatal infections and one resulted in fetal loss. The mean age of the non-maternal/neonatal cases was 59 years (standard deviation: 17); 13 cases were more than 65 years old. The case fatality rate was 36.7%. All cases were caused by molecular serogroup IVb isolates indistinguishable by pulsed-field gel electrophoresis and ribotype profiles. Collaborative investigations with the national health and food safety authorities identified cheese as the probable source of infection, traced to a processing plant. The magnitude of this outbreak, the first reported food-borne listeriosis outbreak in Portugal, highlights the importance of having an effective listeriosis surveillance system in place for early detection and resolution of outbreaks, as well as the need for a process for the prompt submission of Listeria monocytogenes isolates for routine laboratory typing.
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Affiliation(s)
- R Magalhaes
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
| | - G Almeida
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
| | - V Ferreira
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
| | - I Santos
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
| | - J Silva
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
| | - M M Mendes
- Autoridade de Segurança Alimentar e Económica, Lisbon, Portugal
| | - J Pita
- Autoridade de Segurança Alimentar e Económica, Lisbon, Portugal
| | - G Mariano
- Autoridade de Segurança Alimentar e Económica, Lisbon, Portugal
| | - I Mancio
- Autoridade de Segurança Alimentar e Económica, Lisbon, Portugal
| | - M M Sousa
- Administração Regional de Saúde de Lisboa e Vale do Tejo, Lisbon, Portugal
| | - J Farber
- Listeriosis Reference Centre for Canada, Bureau of Microbial Hazards, Health Canada, Ottawa, Ontario, Canada
| | - F Pagotto
- Listeriosis Reference Centre for Canada, Bureau of Microbial Hazards, Health Canada, Ottawa, Ontario, Canada
| | - P Teixeira
- Centro de Biotecnologia e Quimica Fina - Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Porto, Portugal
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14
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Charlier C, Fevre C, Travier L, Cazenave B, Bracq-Dieye H, Podevin J, Assomany D, Guilbert L, Bossard C, Carpentier F, Cales V, Leclercq A, Lecuit M. Listeria monocytogenes-associated biliary tract infections: a study of 12 consecutive cases and review. Medicine (Baltimore) 2014; 93:e105. [PMID: 25319439 PMCID: PMC4616294 DOI: 10.1097/md.0000000000000105] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
At present, little is known regarding Listeria monocytogenes-associated biliary tract infection, a rare form of listeriosis.In this article, we will study 12 culture-proven cases reported to the French National Reference Center for Listeria from 1996 to 2013 and review the 8 previously published cases.Twenty cases were studied: 17 cholecystitis, 2 cholangitis, and 1 biliary cyst infection. Half were men with a median age of 69 years (32-85). Comorbidities were present in 80%, including cirrhosis, rheumatoid arthritis, and diabetes. Five patients received immunosuppressive therapy, including corticosteroids and anti-tumor necrosis factor biotherapies. Half were afebrile. Blood cultures were positive in 60% (3/5). Gallbladder histological lesions were analyzed in 3 patients and evidenced acute, chronic, or necrotic exacerbation of chronic infection. Genoserogroup of the 12 available strains were IVb (n=6), IIb (n=5), and IIa (n=1). Their survival in the bile was not enhanced when compared with isolates from other listeriosis cases. Adverse outcome was reported in 33% (5/15): 3 deaths, 1 recurrence; 75% of the patients with adverse outcome received inadequate antimicrobial therapy (P=0.033).Biliary tract listeriosis is a severe infection associated with high mortality in patients not treated with appropriate therapy. This study provides medical relevance to in vitro and animal studies that had shown Listeria monocytogenes ability to survive in bile and induce overt biliary infections.
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Affiliation(s)
- Caroline Charlier
- Institut Pasteur, Biology of Infection Unit (CC, CF, LT, ML); Institut Pasteur French National Reference Center and WHO Collaborating Center for Listeria (CC, BC, HBD, AL, ML); Inserm U1117 (CC, CF, LT, ML); Université Paris Descartes, Sorbonne Paris Cité, Centre d'Infectiologie Necker-Pasteur, Hôpital Necker-Enfants Malades, Institut Imagine (CC, ML); Service de Chirurgie viscérale, Centre Hospitalier Universitaire de Nantes (JP); Service de Chirurgie viscérale et digestive, Centre Hospitalier de Roubaix (DA, LG); Service d'Anatomopathologie et Cytologie, Centre Hospitalier Universitaire de Nantes (CB); Service d'Anatomopathologie et Cytologie, Centre Hospitalier de Roubaix (FC); and Service d'Anatomopathologie et Cytologie, Centre Hospitalier de Pau (VC)
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15
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Popovic I, Heron B, Covacin C. Listeria: an Australian perspective (2001-2010). Foodborne Pathog Dis 2014; 11:425-32. [PMID: 24697613 DOI: 10.1089/fpd.2013.1697] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Despite having a low occurrence rate, Listeria monocytogenes is one of the most prominent foodborne pathogens in Australia. The organism is responsible for severe outbreaks with high case fatality and substantial economic losses due to food recalls. In this study, we analyze the incidence trends of listeriosis in Australia during 2001-2010, discuss the relevance of food recalls, and investigate the pathogen's role in foodborne outbreaks. A significant epidemiological finding was a consistently high national age-specific rate recorded for individuals aged 60 years and over. Analysis of Australian Listeria outbreak and food recall data suggests deficiencies in food safety programs of food manufacturing businesses implicated in Listeria outbreaks and revealed that ready-to-eat foods are high-risk vehicles for transmitting listeriosis. Highlighted is Australia's highly efficient Listeria management and surveillance systems bolstered by the introduction of Listeria molecular subtyping in 2010 coupled with a nationally standardized questionnaire by the "Australian foodborne disease surveillance network (OzFoodNet)." The detection of clusters and therefore outbreaks was now possible, allowing cases to be linked across multiple jurisdictions and enabling timely public health action. Considering current changes in food production and consumption patterns, continuous monitoring and improvement of surveillance systems will provide ongoing public health benefits and be crucial to future development of food safety policy for Australia.
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Affiliation(s)
- Igor Popovic
- 1 Griffith University , School of Public Health, Brisbane, Australia
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16
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Montel MC, Buchin S, Mallet A, Delbes-Paus C, Vuitton DA, Desmasures N, Berthier F. Traditional cheeses: rich and diverse microbiota with associated benefits. Int J Food Microbiol 2014; 177:136-54. [PMID: 24642348 DOI: 10.1016/j.ijfoodmicro.2014.02.019] [Citation(s) in RCA: 356] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 02/17/2014] [Accepted: 02/22/2014] [Indexed: 11/26/2022]
Abstract
The risks and benefits of traditional cheeses, mainly raw milk cheeses, are rarely set out objectively, whence the recurrent confused debate over their pros and cons. This review starts by emphasizing the particularities of the microbiota in traditional cheeses. It then describes the sensory, hygiene, and possible health benefits associated with traditional cheeses. The microbial diversity underlying the benefits of raw milk cheese depends on both the milk microbiota and on traditional practices, including inoculation practices. Traditional know-how from farming to cheese processing helps to maintain both the richness of the microbiota in individual cheeses and the diversity between cheeses throughout processing. All in all more than 400 species of lactic acid bacteria, Gram and catalase-positive bacteria, Gram-negative bacteria, yeasts and moulds have been detected in raw milk. This biodiversity decreases in cheese cores, where a small number of lactic acid bacteria species are numerically dominant, but persists on the cheese surfaces, which harbour numerous species of bacteria, yeasts and moulds. Diversity between cheeses is due particularly to wide variations in the dynamics of the same species in different cheeses. Flavour is more intense and rich in raw milk cheeses than in processed ones. This is mainly because an abundant native microbiota can express in raw milk cheeses, which is not the case in cheeses made from pasteurized or microfiltered milk. Compared to commercial strains, indigenous lactic acid bacteria isolated from milk/cheese, and surface bacteria and yeasts isolated from traditional brines, were associated with more complex volatile profiles and higher scores for some sensorial attributes. The ability of traditional cheeses to combat pathogens is related more to native antipathogenic strains or microbial consortia than to natural non-microbial inhibitor(s) from milk. Quite different native microbiota can protect against Listeria monocytogenes in cheeses (in both core and surface) and on the wooden surfaces of traditional equipment. The inhibition seems to be associated with their qualitative and quantitative composition rather than with their degree of diversity. The inhibitory mechanisms are not well elucidated. Both cross-sectional and cohort studies have evidenced a strong association of raw-milk consumption with protection against allergic/atopic diseases; further studies are needed to determine whether such association extends to traditional raw-milk cheese consumption. In the future, the use of meta-omics methods should help to decipher how traditional cheese ecosystems form and function, opening the way to new methods of risk-benefit management from farm to ripened cheese.
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Affiliation(s)
| | - Solange Buchin
- INRA, UR342 Technologie et Analyses Laitières, F-39801 Poligny, France
| | - Adrien Mallet
- Normandie Univ, France; UNICAEN, ABTE, F-14032 Caen, France
| | - Céline Delbes-Paus
- INRA, Unité Recherches Fromagères, 20 Côte de Reyne, F-15000 Aurillac, France
| | - Dominique A Vuitton
- UNICAEN, ABTE, F-14032 Caen, France; EA3181/Université de Franche-Comté, 25030, Besançon, France
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17
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Bae D, Seo KS, Zhang T, Wang C. Characterization of a potential Listeria monocytogenes virulence factor associated with attachment to fresh produce. Appl Environ Microbiol 2013; 79:6855-61. [PMID: 23974144 PMCID: PMC3811550 DOI: 10.1128/aem.01006-13] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 08/14/2013] [Indexed: 11/20/2022] Open
Abstract
A study to determine the attachment of L. monocytogenes serotype 4b strain F2365 on vegetables and fruits was conducted. In an initial study, we screened 32 genes encoding surface proteins and lipases of the strain to find highly expressed genes on lettuce leaves. The results showed that transcription levels of LMOf2365_0413, LMOf2365_0498, LMOf2365_0859, LMOf2365_2052, and LMOf2365_2812 were significantly upregulated on lettuce leaves. In silico analysis showed that LMOf2365_0859 contains a putative cellulose binding domain. Thus, we hypothesized that this gene may be involved in an attachment to vegetables, and named it lcp (gene encoding Listeria cellulose binding protein [LCP]). lcp mutant (Δlcp) and lcp complement (F2365::pMAD::cat::lcp) strains were generated by homologous recombination. The abilities of a wild-type (WT) strain, the Δlcp strain, and the complemented strain to attach to lettuce leaves were evaluated, which indicated that the attachment of the Δlcp strain to lettuce was significantly less than that of the WT and the complemented strains. Similar results were observed for baby spinach and cantaloupe. Fluorescence microscopy and field emission scanning microscopy analysis further supported these findings. The binding of L. monocytogenes to cellulose was determined using cellulose acetate-coated plates. The results showed that a binding ability of the Δlcp strain was significantly lower than that of the wild type. Combined, these results strongly suggest that LCP plays an important role in an attachment to vegetables and fruits.
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Affiliation(s)
- Dongryeoul Bae
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi, USA
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18
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Liu D. Molecular approaches to the identification of pathogenic and nonpathogenic listeriae. Microbiol Insights 2013; 6:59-69. [PMID: 24826075 PMCID: PMC3987759 DOI: 10.4137/mbi.s10880] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The genus Listeria consists of a closely related group of Gram-positive bacteria that commonly occur in the environment and demonstrate varied pathogenic potential. Of the 10 species identified to date, L. monocytogenes is a facultative intracellular pathogen of both humans and animals, L. ivanovii mainly infects ungulates (eg., sheep and cattle), while other species (L. innocua, L. seeligeri, L. welshimeri, L. grayi, L. marthii, L. rocourtiae, L. fleischmannii and L. weihenstephanensis) are essentially saprophytes. Within the species of L. monocytogenes, several serovars (e.g., 4b, 1/2a, 1/2b and 1/2c) are highly pathogenic and account for a majority of clinical isolations. Due to their close morphological, biological, biochemical and genetic similarities, laboratory identification of pathogenic and nonpathogenic Listeria organisms is technically challenging. With the development and application of various molecular approaches, accurate and rapid discrimination of pathogenic and nonpathogenic Listeria organisms, as well as pathogenic and nonpathogenic L. monocytogenes strains, has become possible.
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Affiliation(s)
- Dongyou Liu
- Royal College of Pathologists of Australasia Biosecurity Quality Assurance Programs, NSW, Australia
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19
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Abstract
Certain subsets of the population are at a greater risk of acquiring foodborne infections and have a greater propensity to develop serious complications. Susceptibility to foodborne infection is dependent on numerous factors that largely relate to the status of an individual's defense systems in regard to both preventing and mitigating foodborne illness. Key examples include the increased susceptibility of pregnant women to listeriosis and increased severity of enteric bacterial infections in patients with AIDS. Clinicians must communicate with higher-risk patients about the risks of foodborne illness, and provide patients with information regarding safe food-handling practices.
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20
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Viswanath P, Murugesan L, Knabel SJ, Verghese B, Chikthimmah N, Laborde LF. Incidence of Listeria monocytogenes and Listeria spp. in a small-scale mushroom production facility. J Food Prot 2013; 76:608-15. [PMID: 23575122 DOI: 10.4315/0362-028x.jfp-12-292] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Listeria monocytogenes is a foodborne pathogen of significant concern to the agricultural and food processing industry because of its ability to grow and persist in cool and moist environments and its association with listeriosis, a disease with a very high mortality rate. Although there have been no listeriosis outbreaks attributed to fresh mushrooms in the United States, retail surveys and recalls are evidence that L. monocytogenes contamination of mushrooms (Agaricus bisporus) can occur. The objective of this study was to determine the prevalence of Listeria spp., including L. monocytogenes, in a small-scale mushroom production facility on the campus of the Pennsylvania State University in the United States. Of 184 samples taken from five production zones within the facility, 29 (15.8%) samples were positive for Listeria spp. Among the Listeria spp. isolates, L. innocua was most prevalent (10.3%) followed by L. welshimeri (3.3%), L. monocytogenes (1.6%), and L. grayi (0.5%). L. monocytogenes was recovered only from the phase I raw material composting area. Isolates of L. monocytogenes were confirmed and serotyped by multiplex PCR. The epidemiological relatedness of the three L. monocytogenes isolates to those serotypes or lineages frequently encountered in listeriosis infections was determined by multi-virulence-locus sequence typing using six virulence genes, namely, prfA, inlB, inlC, dal, clpP, and lisR. The phylogenetic positions of the three isolates in the dendrogram prepared with data from other isolates of L. monocytogenes showed that all isolates were grouped with serotype 4a, lineage IIIA. To date, this serotype has rarely been reported in foodborne disease outbreaks.
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Affiliation(s)
- Prema Viswanath
- Department of Food Science, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
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21
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Semenza JC, Herbst S, Rechenburg A, Suk JE, Höser C, Schreiber C, Kistemann T. Climate Change Impact Assessment of Food- and Waterborne Diseases. CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY 2012; 42:857-890. [PMID: 24808720 PMCID: PMC3996521 DOI: 10.1080/10643389.2010.534706] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The PubMed and ScienceDirect bibliographic databases were searched for the period of 1998-2009 to evaluate the impact of climatic and environmental determinants on food- and waterborne diseases. The authors assessed 1,642 short and concise sentences (key facts), which were extracted from 722 relevant articles and stored in a climate change knowledge base. Key facts pertaining to temperature, precipitation, water, and food for 6 selected pathogens were scrutinized, evaluated, and compiled according to exposure pathways. These key facts (corresponding to approximately 50,000 words) were mapped to 275 terminology terms identified in the literature, which generated 6,341 connections. These relationships were plotted on semantic network maps to examine the interconnections between variables. The risk of campylobacteriosis is associated with mean weekly temperatures, although this link is shown more strongly in the literature relating to salmonellosis. Irregular and severe rain events are associated with Cryptosporidium sp. outbreaks, while noncholera Vibrio sp. displays increased growth rates in coastal waters during hot summers. In contrast, for Norovirus and Listeria sp. the association with climatic variables was relatively weak, but much stronger for food determinants. Electronic data mining to assess the impact of climate change on food- and waterborne diseases assured a methodical appraisal of the field. This climate change knowledge base can support national climate change vulnerability, impact, and adaptation assessments and facilitate the management of future threats from infectious diseases. In the light of diminishing resources for public health this approach can help balance different climate change adaptation options.
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Affiliation(s)
- Jan C. Semenza
- Future Threats and Determinants Section, Scientific Advice Unit, European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
| | - Susanne Herbst
- Institute for Hygiene and Public Health, Department of Medical Geography and Public Health, University of Bonn, Bonn, Germany
| | - Andrea Rechenburg
- Institute for Hygiene and Public Health, Department of Medical Geography and Public Health, University of Bonn, Bonn, Germany
| | - Jonathan E. Suk
- Future Threats and Determinants Section, Scientific Advice Unit, European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
| | - Christoph Höser
- Institute for Hygiene and Public Health, Department of Medical Geography and Public Health, University of Bonn, Bonn, Germany
| | - Christiane Schreiber
- Institute for Hygiene and Public Health, Department of Medical Geography and Public Health, University of Bonn, Bonn, Germany
| | - Thomas Kistemann
- Institute for Hygiene and Public Health, Department of Medical Geography and Public Health, University of Bonn, Bonn, Germany
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Fox EM, deLappe N, Garvey P, McKeown P, Cormican M, Leonard N, Jordan K. PFGE analysis of Listeria monocytogenes isolates of clinical, animal, food and environmental origin from Ireland. J Med Microbiol 2012; 61:540-547. [DOI: 10.1099/jmm.0.036764-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Edward M. Fox
- Veterinary Sciences Centre, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Teagasc, Moorepark Food Reaserch Centre, Cork, Ireland
| | - Niall deLappe
- School of Medicine, National University of Ireland Galway, Galway, Ireland
| | | | - Paul McKeown
- Health Protection Surveillance Centre, Dublin, Ireland
| | - Martin Cormican
- School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Nola Leonard
- Veterinary Sciences Centre, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - Kieran Jordan
- Teagasc, Moorepark Food Reaserch Centre, Cork, Ireland
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23
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Goulet V, Hebert M, Hedberg C, Laurent E, Vaillant V, De Valk H, Desenclos JC. Incidence of Listeriosis and Related Mortality Among Groups at Risk of Acquiring Listeriosis. Clin Infect Dis 2011; 54:652-60. [DOI: 10.1093/cid/cir902] [Citation(s) in RCA: 184] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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Charlier C, Leclercq A, Cazenave B, Desplaces N, Travier L, Cantinelli T, Lortholary O, Goulet V, Le Monnier A, Lecuit M. Listeria monocytogenes-associated joint and bone infections: a study of 43 consecutive cases. Clin Infect Dis 2011; 54:240-8. [PMID: 22100574 DOI: 10.1093/cid/cir803] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Little is known about Listeria monocytogenes-associated bone and joint infections. Only case reports of this infection have been published. METHODS Retrospective study of culture-proven bone and joint cases reported to the French National Reference Center for Listeria from 1992 to 2010. RESULTS Forty-three patients were studied: 61% were men, and the median age was 72 (range, 16-89); 24 patients exhibited comorbidities (56%). Thirty-six patients (84%) had orthopedic implant devices: prosthetic joints (n = 34) or internal fixation (n = 2); the median time after insertion was 9 years (0.1-22). Subacute infection was more frequent (median, 4 weeks [range, 2-100], 74%) than acute infection (<7 days, 23%), with nonspecific clinical features; 45% of patients had no fever. Blood cultures were positive in 3 of 19 cases. Isolate polymerase chain reaction genogrouping revealed 4 patterns: IVb (21 of 42, 50%), IIa (17 of 42, 40%), IIb (2 of 42, 5%), and IIc (2 of 42, 5%). Five groups of strains with similar pulsotype patterns were identified without an epidemiological link. Antibiotics, primarily amoxicillin (80%) with aminoglycosides (48%), were prescribed for a median duration of 15 weeks (range, 2-88). Eighteen patients (50%) underwent prosthesis replacement; all were successful after median follow-up of 10 months (range, 1-75). Five of 13 patients for whom material was not removed had protracted infection despite prolonged antibiotherapy; 3 of these patients later underwent prosthesis replacement with sustained recovery. CONCLUSIONS Osteoarticular listeriosis primarily involves prosthetic joints and occurs in immunocompromised patients. It requires intensive treatment with antibiotherapy and usually requires implant removal or replacement for cure.
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Affiliation(s)
- Caroline Charlier
- Institut Pasteur, French National Reference Center and WHO Collaborating Center for Listeria, Microbes and Host Barriers Group, Université Paris Descartes, Centre d’Infectiologie Necker-Pasteur, Hôpital Necker-Enfants Malades, Paris, France
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25
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Almli VL, Naes T, Enderli G, Sulmont-Rossé C, Issanchou S, Hersleth M. Consumers' acceptance of innovations in traditional cheese. A comparative study in France and Norway. Appetite 2011; 57:110-20. [PMID: 21550369 DOI: 10.1016/j.appet.2011.04.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Revised: 04/07/2011] [Accepted: 04/19/2011] [Indexed: 11/18/2022]
Abstract
This study explores consumers' acceptance of innovations in traditional cheese in France (n=120) and Norway (n=119). The respondents were presented with 16 photographs of a traditional cheese from their respective countries, varying according to six factors: pasteurisation, organic production, omega-3, packaging, price and appropriateness. For each of the scenarios the consumers indicated their willingness to buy the cheese on a nine-point scale. Results show that consumers' willingness to buy traditional cheese is highly driven by price, appropriateness and pasteurisation in both countries. However, on average consumers in the French sample prefer buying raw milk cheese, while consumers in the Norwegian sample prefer buying pasteurised cheese. These general trends are led by a pro-raw milk segment in France and a pro-pasteurised milk segment in Norway. Several interaction effects involving appropriateness are detected, indicating the importance of the consumption context on the acceptance of innovations in traditional cheese. On a general level, the results indicate that well-accepted innovations in traditional cheese are those that reinforce the traditional and authentic character of the product.
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Almeida G, Morvan A, Magalhães R, Santos I, Hogg T, Leclercq A, Teixeira P. Distribution and characterization of Listeria monocytogenes clinical isolates in Portugal, 1994-2007. Eur J Clin Microbiol Infect Dis 2010; 29:1219-27. [PMID: 20563829 DOI: 10.1007/s10096-010-0988-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Accepted: 05/29/2010] [Indexed: 10/19/2022]
Abstract
In recent years, the number of cases of listeriosis has increased worldwide. Ninety-five isolates of Listeria monocytogenes recovered from Portuguese human cases of listeriosis have been characterized by biotyping (cadmium and arsenic sensitivity), polymerase chain reaction (PCR) grouping, and by pulsed-field gel electrophoresis (PFGE) applying the enzymes AscI and ApaI. Isolates were classified into one of three PCR groups; IVb (71.6%), IIb (17.9%), and IIa (10.5%). Four biotypes were differentiated: sensitive to arsenic/cadmium (48.4%), arsenic-sensitive and cadmium-resistant (25.3%), resistant to arsenic and sensitive to cadmium (18.9%), and resistant to both heavy metals (7.4%). Combined analyses of AscI and ApaI patterns yielded a total of 58 PFGE types with five sets (G, Jb, KKa, Me, and U) of Portuguese strains, each of which were indistinguishable by PFGE typing. In the present study, it was demonstrated that there are recurrent pulsotypes and that some were the same pulsotypes linked to outbreaks in France. In addition, there are some pulsotypes spread throughout the country, while others only appear in a restricted region. This study allowed the assembly of a first large pulsotype database of Portuguese clinical strains.
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Affiliation(s)
- G Almeida
- Centro de Biotecnologia e Química Fina, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Dr António Bernardino de Almeida, 4200-072 Porto, Portugal
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Antimicrobial resistance of Listeria monocytogenes strains isolated from humans in France. Antimicrob Agents Chemother 2010; 54:2728-31. [PMID: 20385859 DOI: 10.1128/aac.01557-09] [Citation(s) in RCA: 161] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Susceptibility to antibiotics of 4,816 clinical L. monocytogenes strains isolated since 1926 was studied, and the temporal evolution of susceptibility to antibiotics was analyzed through several decades. The mechanisms of resistance in each resistant strain were studied. The prevalence of resistant strains was estimated at 1.27% among isolates from humans. Resistance to tetracyclines+ and fluoroquinolones was more common and has recently emerged. Although acquired resistance in clinical L. monocytogenes did not implicate clinically relevant antibiotics, the possibility of resistance gene transfers, the description of the first clinical isolate with high-level resistance to trimethoprim, and the recent increase in penicillin MICs up to 2 microg/ml reinforce the need for microbiological surveillance.
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Chen J, Chen Q, Jiang L, Cheng C, Bai F, Wang J, Mo F, Fang W. Internalin profiling and multilocus sequence typing suggest four Listeria innocua subgroups with different evolutionary distances from Listeria monocytogenes. BMC Microbiol 2010; 10:97. [PMID: 20356375 PMCID: PMC2867954 DOI: 10.1186/1471-2180-10-97] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2009] [Accepted: 03/31/2010] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ecological, biochemical and genetic resemblance as well as clear differences of virulence between L. monocytogenes and L. innocua make this bacterial clade attractive as a model to examine evolution of pathogenicity. This study was attempted to examine the population structure of L. innocua and the microevolution in the L. innocua-L. monocytogenes clade via profiling of 37 internalin genes and multilocus sequence typing based on the sequences of 9 unlinked genes gyrB, sigB, dapE, hisJ, ribC, purM, gap, tuf and betL. RESULTS L. innocua was genetically monophyletic compared to L. monocytogenes, and comprised four subgroups. Subgroups A and B correlated with internalin types 1 and 3 (except the strain 0063 belonging to subgroup C) and internalin types 2 and 4 respectively. The majority of L. innocua strains belonged to these two subgroups. Subgroup A harbored a whole set of L. monocytogenes-L. innocua common and L. innocua-specific internalin genes, and displayed higher recombination rates than those of subgroup B, including the relative frequency of occurrence of recombination versus mutation (rho/theta) and the relative effect of recombination versus point mutation (r/m). Subgroup A also exhibited a significantly smaller exterior/interior branch length ratio than expected under the coalescent model, suggesting a recent expansion of its population size. The phylogram based on the analysis with correction for recombination revealed that the time to the most recent common ancestor (TMRCA) of L. innocua subgroups A and B were similar. Additionally, subgroup D, which correlated with internalin type 5, branched off from the other three subgroups. All L. innocua strains lacked seventeen virulence genes found in L. monocytogenes (except for the subgroup D strain L43 harboring inlJ and two subgroup B strains bearing bsh) and were nonpathogenic to mice. CONCLUSIONS L. innocua represents a young species descending from L. monocytogenes and comprises four subgroups: two major subgroups A and B, and one atypical subgroup D serving as a link between L. monocytogenes and L. innocua in the evolutionary chain. Although subgroups A and B appeared at approximately the same time, subgroup A seems to have experienced a recent expansion of the population size with higher recombination frequency and effect than those of subgroup B, and might represent the possible evolutionary direction towards adaptation to environments. The evolutionary history in the L. monocytogenes-L. innocua clade represents a rare example of evolution towards reduced virulence of pathogens.
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Affiliation(s)
- Jianshun Chen
- Zhejiang University Institute of Preventive Veterinary Medicine, and Zhejiang Provincial Key Laboratory of Prevent Veterinary Medicine, Hangzhou, PR China
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Krishnan L, Pejcic-Karapetrovic B, Gurnani K, Zafer A, Sad S. Pregnancy does not deter the development of a potent maternal protective CD8+ T-cell acquired immune response against Listeria monocytogenes despite preferential placental colonization. Am J Reprod Immunol 2009; 63:54-65. [PMID: 19912156 DOI: 10.1111/j.1600-0897.2009.00766.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
PROBLEM Listeria monocytogenes (LM) preferentially colonizes the placenta and causes fetal loss and systemic disease during pregnancy. As systemic CD8+ T-cell memory is critical in controlling LM infection, we addressed the issue as to whether it is modulated during pregnancy. METHOD OF STUDY Pregnant mice were infected with LM and their immune response was quantified relative to the non-pregnant cohort using advanced immunological techniques. RESULTS Pregnant mice exhibited progressive and massive placental LM infection leading to fetal resorptions. In contrast, they harbored significantly lower bacteria in spleen and liver relative to non-pregnant controls, and rapidly cleared systemic infection. Both pregnant and non-pregnant mice exhibited similar activation of systemic innate immunity. Moreover, LM infection in pregnant and non-pregnant hosts evoked strong antigen-specific cytolytic CD8+ T cells that produced IFN-gamma. Consequently, LM infection initiated during pregnancy afforded long-term protective memory to secondary infection. CONCLUSION Maternal hosts generate a normal Listeria-specific adaptive immunity in particular CD8+ T-cell memory response suggesting that systemic listeriosis during pregnancy may be an immunopathology associated with placental infection.
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Affiliation(s)
- Lakshmi Krishnan
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, ON, Canada.
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Abstract
Canadian cases and outbreaks of illness caused by Listeria monocytogenes between 1995 and 2004 were assessed. Isolates (722 total) were characterized by serotyping, and pulsed-field gel electrophoresis (PFGE) was performed to provide a means of detecting case clusters. Rates of listeriosis remained fairly consistent during the period of study, and patient characteristics were similar to those seen in studies of other populations. Most isolates were obtained from blood and cerebrospinal fluid, although during some outbreak investigations isolates were also obtained from stools. Serotype 1/2a predominated in isolates from patients in Canada, followed by serotypes 4b and 1/2b. Outbreaks caused by L. monocytogenes that occurred during the period of study were caused by isolates with serotypes 1/2a and 4b. A retrospective analysis of PFGE data uncovered several clusters that might have represented undetected outbreaks, suggesting that comprehensive prospective PFGE analysis coupled with prompt epidemiological investigations might lead to improved outbreak detection and control.
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Chavanet P. [Presumptive bacterial meningitis in adults: initial antimicrobial therapy]. Med Mal Infect 2009; 39:499-512. [PMID: 19428207 DOI: 10.1016/j.medmal.2009.02.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Accepted: 02/20/2009] [Indexed: 11/28/2022]
Abstract
CSF sterilization should be obtained very rapidly to reduce both mortality and morbidity due to bacterial meningitis. Thus, antibiotic treatment should be adapted to the suspected bacterium and administered as early as possible at high dosage with - if necessary - a loading dose and continuous perfusion. The rates of abnormal susceptibility to penicillin of Streptococcus pneumoniae, Neisseria meningitis and Haemophilus influenzae are 37%, 30% and 12% respectively. Thus, ceftriaxone or cefotaxim must be used as empirical treatment. Listeria monocytogenes remains fully susceptible to aminopenicillin, so, the combination aminopenicillin and aminoglycoside is the first-line treatment. Antibiotic resistance, allergy or contra-indications, are in fact rare but in these cases, antibiotic combinations are often needed. The latter are more or less complex and clinically validated; they include molecules such as vancomycine, fosfomycin, fluoroquinolone or linezolid.
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Affiliation(s)
- P Chavanet
- Département d'infectiologie, CHU de Dijon, BP 77908, 21000 Dijon, France.
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Fayol L, Beizig S, Le Monnier A, Lacroze V, Simeoni U. [Neonatal meningitis due to Listeria monocytogenes after 3 weeks of maternal treatment during pregnancy]. Arch Pediatr 2009; 16:353-6. [PMID: 19195853 DOI: 10.1016/j.arcped.2008.12.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2008] [Accepted: 12/15/2008] [Indexed: 10/21/2022]
Abstract
We report the case of a pregnant woman with listeriosis at 26 gestational weeks followed by premature labor at 30 gestational weeks. Bacterial meningitis was suspected in the neonate with ventriculitis on sonography, a high level of protein in the cerebrospinal fluid (CSF), and an identified specific bacterial genome of Listeria monocytogenes (PCR 16S rDNA and sequencing and specific amplification of L. monocytogenes hly gene) in CSF. Neonatal meningitis was complicated with cerebral venous sinus thrombosis and ventriculomegaly. Listeriosis during pregnancy can lead to severe complications in the neonate. Thus, listeriosis should be a diagnostic concern in febrile pregnant women at any stage of pregnancy. First-line treatment is based on high-dose amoxicillin (> or =6g/day) and must be used for at least 3 weeks for treatment of listeriosis during pregnancy. If the fetus survives, longer therapy until delivery can be discussed.
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Affiliation(s)
- L Fayol
- Département de néonatologie, hôpital La Conception, université de la Méditerranée, Assistance publique-Hôpitaux de Marseille, 13385 Marseille cedex 05, France.
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Le Monnier A, Leclercq A. Listeria et listériose : des animaux d’élevage à nos assiettes. ACTA ACUST UNITED AC 2009; 57:17-22. [DOI: 10.1016/j.patbio.2008.07.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2008] [Accepted: 07/04/2008] [Indexed: 11/26/2022]
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Comparative analysis of extracellular and intracellular proteomes of Listeria monocytogenes strains reveals a correlation between protein expression and serovar. Appl Environ Microbiol 2008; 74:7399-409. [PMID: 18836007 DOI: 10.1128/aem.00594-08] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Listeria monocytogenes, the etiologic agent of listeriosis, remains a serious public health concern, with its frequent occurrence in food environments coupled with a high mortality rate. Among the 13 serovars, human listeriosis is mostly associated with the serovar 4b, 1/2b, and 1/2a strains. To investigate the diversity of L. monocytogenes, the intracellular and extracellular proteins of 12 strains were analyzed by two-dimensional gel electrophoresis. These strains had different origins, belonged to different serovars (4b, 1/2a, and 1/2b), and presented with different levels of virulence in chicken embryos. The clustering of the strains in two groups based on proteomic patterns is in agreement with the L. monocytogenes phylogenetic lineages. Statistical analysis did not allow for identification of proteins specific to the isolate origin or the virulence level of the strains, but 26 and 21 protein spots were shown to be significantly overexpressed and underexpressed, respectively, in the six strains of serovar 1/2a (lineage II) compared to strains of serovar 1/2b or 4b. Moreover, a penicillin-binding protein was specific for serovar 1/2b and two protein spots identified as a serine protease were specific to serovar 4b. These protein spots, identified through peptide mass fingerprinting using matrix-assisted laser desorption ionization-time of flight mass spectrometry, were essentially found in the extracellular proteome and may have uses as potential markers for serotyping and risk analysis.
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A survey of laboratory-confirmed isolates of invasive listeriosis in Israel, 1997–2007. Epidemiol Infect 2008; 137:577-80. [DOI: 10.1017/s0950268808001179] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
SUMMARYDuring the 11-year period from 1997 to 2007, 321 isolates ofListeria monocytogenesfrom sporadic cases of invasive listeriosis were reported to the national reference laboratory in Israel. Of these isolates, 113 (35%) were identified from perinatal cases, and 208 (65%) from non-perinatal cases. The prevalent serovars were 4b, 1/2b, 1/2a and 4c. Serovar 4b was identified in 80·5% of the perinatal isolates (P=0·0162), while the number of 1/2b and 1/2a strains increased in the ⩾60 years old group (P=0·0285). Resistance to tetracycline was found in eight 4b isolates. The seasonal distribution showed that 206 isolates (64·2%) were submitted during the hot season (May–October). The estimated morbidity for the study period was 4·4 per million. The incidence of invasive listeriosis was higher in the perinatal group (5·6/100 000), than in individuals aged ⩾60 years (1·5/100 000).
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Goulet V, Hedberg C, Le Monnier A, de Valk H. Increasing incidence of listeriosis in France and other European countries. Emerg Infect Dis 2008; 14:734-40. [PMID: 18439354 PMCID: PMC2600261 DOI: 10.3201/eid1405.071395] [Citation(s) in RCA: 237] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
From 1999 through 2005, the incidence of listeriosis in France declined from 4.5 to 3.5 cases/million persons. In 2006, it increased to 4.7 cases/million persons. Extensive epidemiologic investigations of clusters in France have ruled out the occurrence of large foodborne disease outbreaks. In addition, no increase has occurred in pregnancy-associated cases or among persons <60 years of age who have no underlying disease. Increases have occurred mainly among persons >or=60 years of age and appear to be most pronounced for persons >or=70 years of age. In 8 other European countries, the incidence of listeriosis has increased, or remained relatively high, since 2000. As in France, these increases cannot be attributed to foodborne outbreaks, and no increase has been observed in pregnancy-associated cases. European countries appear to be experiencing an increased incidence of listeriosis among persons >or=60 years of age. The cause of this selective increased incidence is unknown.
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Affiliation(s)
- Véronique Goulet
- Infectious Diseases Department, Institut de Veille Sanitaire, 12 rue du Val d'Osne, 94415 Saint Maurice, France.
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Affiliation(s)
- Bénédicte Girard
- Service de gynécologie-obstétrique et médecine de la reproduction, Centre hospitalier régional universitaire, Caen
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Abstract
Human listeriosis is a potentially fatal foodborne infection caused by Listeria monocytogenes, an opportunistic psychrophile bacterium that is widespread in the environment. It has only recently emerged as a significant cause of human infection in industrialized countries, owing to appearance of a vulnerable population of immunocompromised individuals, and the concomitant development of large-scale agro-industrial plants and refrigerated food. Here we review the main clinical features of human listeriosis and highlight specificities and similarities with animal listeriosis in diverse species. Finally, we present some of the critical determinants for the choice of an appropriate animal model to study human listeriosis.
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Affiliation(s)
- Marc Lecuit
- Avenir Group INSERM U604 Microbial Interactions with Host Barriers, Bacteria Cell Interactions Unit, Department of Cell Biology and Infection, Institut Pasteur, 25 rue du Dr. Roux, 75015 Paris, France.
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Thabet F, Tilouche S, Tabarki B, Boukadida J, Yacoub M, Essoussi AS. [Listeria monocytogenes meningitis in an immunocompetent child]. Arch Pediatr 2006; 13:1553-4. [PMID: 17029934 DOI: 10.1016/j.arcped.2006.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2006] [Accepted: 09/05/2006] [Indexed: 11/25/2022]
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