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Graziosi G, Lupini C, Favera FD, Martini G, Dosa G, Garavini G, Trevisani G, Mannelli A, Catelli E. Potential biosecurity breaches in poultry farms: Presence of free-ranging mammals near laying-hen houses assessed through a camera-trap study. Vet Anim Sci 2024; 26:100393. [PMID: 39290683 PMCID: PMC11403447 DOI: 10.1016/j.vas.2024.100393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024] Open
Abstract
Diligent application and implementation of biosecurity measures stand as the most effective measures to prevent disease transmission through direct or indirect interactions between poultry and free-ranging animals. Among these, free-ranging mammals can be hosts or disseminators of several pathogens relevant to poultry and of public health concern. Moreover, evidence of susceptibility to avian influenza virus infection in non-human mammals has raised questions about their potential role in the virus' epidemiology at the domestic animal-wildlife interface. Given this background, this study aimed to identify mammal species occurring near laying-hen houses and characterize the spatiotemporal patterns of these visits. Seven camera traps were deployed for a year-long period in three commercial poultry farms in a densely populated poultry area in Northern Italy. Various methods, including time series analysis and generalized linear models, were employed to analyze daily mammal visits. A total of 1,867 camera trap nights yielded 567 videos of seven species of wild mammals, and 1,866 videos showed domestic pet species (cats and dogs). Coypus (Myocastor coypus) and cats were the two mammals more frequently observed near poultry houses. For wild mammals, visits significantly increased at night, and slightly decreased during the spring season. Overall, the data hereby provided lay the groundwork for designing novel surveillance and intervention strategies to prevent cross-species disease transmission. Moreover, the utilization of visual evidence depicting free-ranging animals approaching poultry houses could assist health authorities in educating and raising awareness among stakeholders about potential risks of pathogen spillover.
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Affiliation(s)
- Giulia Graziosi
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064, BO, Italy
| | - Caterina Lupini
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064, BO, Italy
| | - Francesco Dalla Favera
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064, BO, Italy
| | - Gabriella Martini
- Veterinary Services, Local Health Unit of Imola (A.U.S.L. di Imola), Imola, 40026, BO, Italy
| | - Geremia Dosa
- Veterinary Services, Local Health Unit of Imola (A.U.S.L. di Imola), Imola, 40026, BO, Italy
| | - Gloria Garavini
- Veterinary Services of Eurovo Group, Imola, 40026, BO, Italy
| | | | - Alessandro Mannelli
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Torino, Italy
| | - Elena Catelli
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064, BO, Italy
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2
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Fredriksson-Ahomaa M, Johansson V, Heljanko V, Nuotio E, Nihtilä H, Heikinheimo A, Kivistö R. Foodborne pathogenic bacteria in wild European hedgehogs (Erinaceus europaeus). Acta Vet Scand 2024; 66:32. [PMID: 39010071 PMCID: PMC11251316 DOI: 10.1186/s13028-024-00747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 06/04/2024] [Indexed: 07/17/2024] Open
Abstract
BACKGROUND European hedgehogs (Erinaceus europaeus) are widely distributed across Europe. They may play an important role by spreading zoonotic bacteria in the environment and to humans and animals. The aim of our work was to study the prevalence and characteristics of the most important foodborne bacterial pathogens in wild hedgehogs. RESULTS Faecal samples from 148 hospitalised wild hedgehogs originating from the Helsinki region in southern Finland were studied. Foodborne pathogens were detected in 60% of the hedgehogs by PCR. Listeria (26%) and STEC (26%) were the most common foodborne pathogens. Salmonella, Yersinia, and Campylobacter were detected in 18%, 16%, and 7% of hedgehogs, respectively. Salmonella and Yersinia were highly susceptible to the tested antimicrobials. Salmonella Enteritidis and Listeria monocytogenes 2a were the most common types found in hedgehogs. All S. Enteritidis belonged to one sequence type (ST11), forming four clusters of closely related isolates. L. monocytogenes was genetically more diverse than Salmonella, belonging to 11 STs. C. jejuni ST45 and ST677, Y. pseudotuberculosis O:1 of ST9 and ST42, and Y. enterocolitica O:9 of ST139 were also found. CONCLUSIONS Our study shows that wild European hedgehogs should be considered an important source of foodborne pathogens, and appropriate hygiene measures after any contact with hedgehogs and strict biosecurity around farms are therefore important.
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Affiliation(s)
- Maria Fredriksson-Ahomaa
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland.
| | - Venla Johansson
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Viivi Heljanko
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Elina Nuotio
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | | | - Annamari Heikinheimo
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- Microbiology Unit, Finnish Food Authority, Seinäjoki, 60100, Finland
| | - Rauni Kivistö
- Department of Food Hygiene and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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3
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Prandi I, Dervas E, Colombino E, Bonaffini G, Zanet S, Orusa R, Robetto S, Vacchetta M, Mauthe von Degerfeld M, Quaranta G, Hetzel U, Capucchio MT. Causes of Admission, Mortality and Pathological Findings in European Hedgehogs: Reports from Two University Centers in Italy and Switzerland. Animals (Basel) 2024; 14:1852. [PMID: 38997963 PMCID: PMC11240775 DOI: 10.3390/ani14131852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/10/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
European hedgehogs (Erinaceus europaeus) are nocturnal insectivores frequently found in urban areas. In the last decades, their population has declined in various European countries and human activities have emerged as significant contributors to this trend. While the literature has mainly focused on trauma as the major cause of mortality, few authors have considered pathological findings. The present study is based on the results of full post-mortem examinations performed on 162 European hedgehogs in Italy and 109 in Switzerland. Unlike in previous studies, the main cause of mortality was infectious diseases (60.5%), followed by traumatic insults (27.7%). The lungs were the main organ affected, showing mostly lymphoplasmacytic (45.9%), granulomatous (18.1%) or suppurative (8.2%) pneumonia. Nematodes were detected in 57.2% of all lungs and were significantly associated with pneumonia (p-value < 0.001). To our knowledge, this is the first study to report infectious diseases as the main cause of hedgehog death, emphasizing the need for wildlife rescue centers to adopt appropriate diagnostic and therapeutic measures. Further research is necessary to determine the broad range of infectious agents that affect this species and elucidate their interplay with the host. Finally, citizen sensitization should be implemented to promote responsible behaviors that could reduce human-related traumatic events.
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Affiliation(s)
- Ilaria Prandi
- Centro Animali Non Convenzionali, Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (G.B.); (M.M.v.D.); (G.Q.); (M.T.C.)
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
| | - Eva Dervas
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland; (E.D.); (U.H.)
| | - Elena Colombino
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
- Patología y Sanidad Animal, Departamento Producción Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad CEU Cardenal Herrera, CEU Universities, 46115 Alfara del Patriarca, Spain
| | - Giuseppe Bonaffini
- Centro Animali Non Convenzionali, Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (G.B.); (M.M.v.D.); (G.Q.); (M.T.C.)
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
| | - Stefania Zanet
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
| | - Riccardo Orusa
- National Reference Centre for Wild Animals Diseases (CeRMAS), S.C. Valle d’Aosta, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta (IZSPLV), 11020 Quart, Italy; (R.O.); (S.R.)
| | - Serena Robetto
- National Reference Centre for Wild Animals Diseases (CeRMAS), S.C. Valle d’Aosta, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta (IZSPLV), 11020 Quart, Italy; (R.O.); (S.R.)
| | | | - Mitzy Mauthe von Degerfeld
- Centro Animali Non Convenzionali, Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (G.B.); (M.M.v.D.); (G.Q.); (M.T.C.)
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
| | - Giuseppe Quaranta
- Centro Animali Non Convenzionali, Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (G.B.); (M.M.v.D.); (G.Q.); (M.T.C.)
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
| | - Udo Hetzel
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland; (E.D.); (U.H.)
| | - Maria Teresa Capucchio
- Centro Animali Non Convenzionali, Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (G.B.); (M.M.v.D.); (G.Q.); (M.T.C.)
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (E.C.); (S.Z.)
- National Research Council of Italy-Institute of Sciences of Food Production (CNR-ISPA), 10095 Grugliasco, Italy
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4
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Molina-Lopez RA, Obón E, Darwich L. Morbidity and Prognostic Factors Associated with Wild Hedgehogs Admitted to a Wildlife Rehabilitation Center in Catalonia (NE Spain) from 1995 to 2020. Animals (Basel) 2024; 14:556. [PMID: 38396523 PMCID: PMC10886239 DOI: 10.3390/ani14040556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/01/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Wildlife rehabilitation centers (WRC) play a crucial role in the collection of data and the monitoring of hedgehog populations. The main objective of this study was to identify the morbidity and prognostic factors associated with the mortality of wild hedgehogs admitted at a WRC in Catalonia. A total number of 3397 hedgehogs admitted from 1995 to 2020 were studied. The principal cause of admission was orphaned/young category (41%) followed by misplacement (19%), natural disease (17%), and trauma (14%). The best outcomes for release were for misplacement (93.6%), orphaned/young (72.3%), and other causes (77.6%), and the lowest proportion of released animals were found for natural disease (41.4%) and trauma (44.7%) categories. The most common macroscopic findings were the respiratory and digestive lesions. Internal parasites were also prevalent in 61% of the animals but with no association with a higher mortality. In the multivariate analyses, the prognostic indicators related with the mortality outcome were the presence of systemic (OR = 3.6, CI 95%: 2.8-4.6) and neurological (OR = 4.3, CI 95%: 2.9-6.4) signs. Morbidity and prognostic factors in wildlife rehabilitation are essential for providing effective care, making informed decisions, optimizing resources, and improving rehabilitation success rates.
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Affiliation(s)
- Rafael A. Molina-Lopez
- Wildlife Rehabilitation Center of Torreferrussa, Catalan Wildlife Service-Forestal Catalana S.A., 08130 Santa Perpètua de Mogoda, Spain;
| | - Elena Obón
- Wildlife Rehabilitation Center of Torreferrussa, Catalan Wildlife Service-Forestal Catalana S.A., 08130 Santa Perpètua de Mogoda, Spain;
| | - Laila Darwich
- Department Sanitat i Anatomia Animals, Veterinary School, Universitat Autonoma de Barcelona, 08193 Cerdanyola del Valles, Spain
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Molenaar RJ, Dijkman R, Ter Veen C, Heuvelink A, van Kaam F, Augustijn M, Feberwee A. A Salmonella Pullorum outbreak with neurological signs in adult layers and outbreak investigation using whole genome sequencing. Avian Pathol 2024; 53:44-55. [PMID: 37800359 DOI: 10.1080/03079457.2023.2268027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 10/03/2023] [Indexed: 10/07/2023]
Abstract
RESEARCH HIGHLIGHTS Cerebral granulomas are associated with nervous signs in Salmonella Pullorum outbreak.Bone marrow is also a recommended tissue for isolation of Salmonella Pullorum.Rapid plate agglutination test detects Pullorum antibodies in a vaccinated flock.Phylogenetic analysis showed clonality of isolates within the outbreak.
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Carrera M, Tolini C, Trogu T, Boscarino A, Tranquillo V, Munari M, Callegari E, Tartari D, Moreno A, Rubini S. Spatiotemporal Distribution of Salmonella enterica in European Hedgehogs in Northern Italy. Pathogens 2023; 12:946. [PMID: 37513793 PMCID: PMC10385418 DOI: 10.3390/pathogens12070946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Growing attention is being given to the European hedgehog (Erinaceus europaeus) because of its synanthropic behaviour and its potential role in harbouring parasites, viruses, fungi and bacteria and disseminating them to several animals and humans. Salmonella are the most frequently detected zoonotic bacteria that hedgehogs could transmit through contaminating water and food sources with faeces. This study aimed to determine the prevalence and distribution of Salmonella spp. in wild hedgehogs in the Emilia-Romagna region (northern Italy). From 2019 to 2022, 212 European hedgehogs that died naturally were tested for Salmonella spp. through culture isolation. Positive samples were subjected to serological typing. A total of 82 samples tested positive for Salmonella spp., with the overall Bayesian posterior estimated prevalence ranging from 35% (95% CI: 23-47%) to a maximum of 45% (95% CI: 31-59%) during the years considered and with an overall prevalence calculated at 39% (95% CI: 33-45%). Salmonella enterica Enteritidis and Veneziana were the most prevalent detected serovars in 65% and 17% of the positive samples, respectively. Since 2021, S. Typhimurium, S. Typhimurium Monofasica, S. Zaiman, S. Hessarek, S. Muenster, S. Isangi serovars, S. enterica subsp. Diarizonae and S. enterica subsp. Houtenae have been detected. These findings show a high prevalence of Salmonella spp. in tested hedgehogs, suggesting an important role of this animal species in the epidemiology of potentially zoonotic serovars circulating in the Emilia-Romagna region.
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Affiliation(s)
- Maya Carrera
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Clara Tolini
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Tiziana Trogu
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Andrea Boscarino
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Vito Tranquillo
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Martina Munari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Emanuele Callegari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Davide Tartari
- LIPU Lega Italiana per la Protezione degli Uccelli, "Il Giardino delle Capinere", Via Porta Catena 118, 44122 Ferrara, Italy
| | - Ana Moreno
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
| | - Silva Rubini
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini" (IZSLER), Via Antonio Bianchi 7/9, 25124 Brescia, Italy
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7
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Bengtsson RJ, Baker KS, Cunningham AA, Greig DR, John SK, Macgregor SK, Seilern-Moy K, Spiro S, Chong CC, De Silva PM, Jenkins C, Lawson B. The genomic epidemiology of Escherichia albertii infecting humans and birds in Great Britain. Nat Commun 2023; 14:1707. [PMID: 36973246 PMCID: PMC10043262 DOI: 10.1038/s41467-023-37312-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 03/13/2023] [Indexed: 03/29/2023] Open
Abstract
Escherichia albertii is a recently identified gastrointestinal bacterial pathogen of humans and animals which is typically misidentified as pathotypes of diarrhoeagenic Escherichia coli or Shigella species and is generally only detected during genomic surveillance of other Enterobacteriaceae. The incidence of E. albertii is likely underestimated, and its epidemiology and clinical relevance are poorly characterised. Here, we whole genome sequenced E. albertii isolates from humans (n = 83) and birds (n = 79) isolated in Great Britain between 2000 and 2021 and analysed these alongside a broader public dataset (n = 475) to address these gaps. We found human and avian isolates typically (90%; 148/164) belonged to host-associated monophyletic groups with distinct virulence and antimicrobial resistance profiles. Overlaid patient epidemiological data suggested that human infection was likely related to travel and possibly foodborne transmission. The Shiga toxin encoding stx2f gene was associated with clinical disease (OR = 10.27, 95% CI = 2.98-35.45 p = 0.0002) in finches. Our results suggest that improved future surveillance will further elucidate disease ecology and public and animal health risks associated with E. albertii.
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Affiliation(s)
- Rebecca J Bengtsson
- Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, The University of Liverpool, Liverpool, UK
| | - Kate S Baker
- Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, The University of Liverpool, Liverpool, UK.
| | - Andrew A Cunningham
- Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - David R Greig
- Gastrointestinal and Food Safety (One Health) Division, UK Health Security Agency, Colindale, London, UK
| | - Shinto K John
- Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - Shaheed K Macgregor
- Wildlife Health Services, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - Katharina Seilern-Moy
- Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - Simon Spiro
- Wildlife Health Services, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - Charlotte C Chong
- Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, The University of Liverpool, Liverpool, UK
| | - P Malaka De Silva
- Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, The University of Liverpool, Liverpool, UK
| | - Claire Jenkins
- Gastrointestinal and Food Safety (One Health) Division, UK Health Security Agency, Colindale, London, UK
| | - Becki Lawson
- Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
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8
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Jota Baptista C, Oliveira PA, Gonzalo-Orden JM, Seixas F. Do Urban Hedgehogs ( Erinaceus europaeus) Represent a Relevant Source of Zoonotic Diseases? Pathogens 2023; 12:pathogens12020268. [PMID: 36839540 PMCID: PMC9961789 DOI: 10.3390/pathogens12020268] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 01/30/2023] [Accepted: 02/04/2023] [Indexed: 02/10/2023] Open
Abstract
Urban fauna is defined as animal species that can live in urban environments. Several species, including the western-European hedgehog (Erinaceus europaeus), have now been identified as part of this urban fauna, becoming permanent residents of parks and gardens in different cities across Europe. Due to the importance that this phenomenon represents for zoonotic disease surveillance, several authors have been conducting zoonotic agents' surveys on hedgehog. The aim of this study is to compare zoonotic diseases' prevalence in hedgehogs in urban environments with those from more rural areas. A systematic review with meta-analysis of twelve studied of zoonotic diseases' (in urban and rural areas of Europe) was therefore conducted for this purpose. Fifteen different zoonoses have been assessed in urban environments and six in rural areas. Anaplasma phagocytophilum was the most prevalent zoonotic agent found in urban habitats (96%). Dermatophytosis shows statistically significant differences between locations (p-value < 0.001), with a higher prevalence in urban Poland (55%; n = 182). Our results suggest further research and a standardized monitoring of different hedgehog populations are essential to understanding the epidemiology of several zoonotic pathogens in different habitat types (urban, rural, natural, industrial, etc.) and preventing possible disease outbreaks.
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Affiliation(s)
- Catarina Jota Baptista
- Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
- Institute of Biomedicine (IBIOMED), University of León, 24071 León, Spain
- Correspondence: (C.J.B.); (F.S.)
| | - Paula A. Oliveira
- Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | | | - Fernanda Seixas
- Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
- Veterinary and Animal Research Center (CECAV), AL4Animals, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
- Correspondence: (C.J.B.); (F.S.)
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9
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Cao G, Zhao S, Kuang D, Hsu CH, Yin L, Luo Y, Chen Z, Xu X, Strain E, McDermott P, Allard M, Brown E, Meng J, Zheng J. Geography shapes the genomics and antimicrobial resistance of Salmonella enterica Serovar Enteritidis isolated from humans. Sci Rep 2023; 13:1331. [PMID: 36693882 PMCID: PMC9873609 DOI: 10.1038/s41598-022-24150-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/10/2022] [Indexed: 01/25/2023] Open
Abstract
Multidrug-resistant (MDR) Salmonella has been a long-standing challenge in public health and food safety. The prevalence of MDR S. Enteritidis, especially isolated from humans, in China is significantly higher than those from the U.S. and other countries. A dataset of 197 S. Enteritidis genomes, including 16 sequenced clinical isolates from China and 181 downloaded genomes of human isolates from the U.S., Europe, and Africa, was analyzed for genomic diversity, virulence potential, and antimicrobial resistance (AMR). Phylogenomic analyses identified four major well-supported clades (I-IV). While AMR genotype in the majority of isolates in clades I and IV displayed as pan-susceptible, 81.8% (9/11) and 22.4% (13/58) of isolates in clades III and II were MDR, respectively. It is noted that 77% (10/13) of MDR isolates in clade II were from China. The most common antimicrobial resistance genes (ARGs) carried by the Chinese isolates were aph(3')-IIa, blaCTX-M-55, and blaTEM-1B, whereas blaTEM-1B, sul1, sul2, drfA7, aph(3")-Ib/strA, and aph(6)-Id/strB were most often identified in those from Africa (clade III). Among the 14 plasmid types identified, IncX1 and IncFII(pHN7A8) were found exclusively in the Chinese MDR isolates, while IncQ1 was highly associated with the African MDR isolates. The spvRABCD virulence operon was present in 94.9% (187/197) of isolates tested and was highly associated with both the IncF (IncFII and IncFIB) plasmids. In addition, phylogenetic differences in distribution of Salmonella pathogenicity islands (SPIs), prophages and other accessory genes were also noted. Taken together, these findings provide new insights into the molecular mechanisms underpinning diversification of MDR S. Enteritidis.
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Affiliation(s)
- Guojie Cao
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA.
| | - Shaohua Zhao
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA
| | - Dai Kuang
- Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Chih-Hao Hsu
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA
| | - Lanlan Yin
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA
| | - Yan Luo
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA
| | - Zhao Chen
- Joint Institute for Food Safety and Applied Nutrition, Center for Food Safety & Security Systems, Department of Nutrition and Food Science, University of Maryland, College Park, MD, USA
| | - Xuebin Xu
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Errol Strain
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA
| | - Patrick McDermott
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA
| | - Marc Allard
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA
| | - Eric Brown
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA
| | - Jianghong Meng
- Joint Institute for Food Safety and Applied Nutrition, Center for Food Safety & Security Systems, Department of Nutrition and Food Science, University of Maryland, College Park, MD, USA
| | - Jie Zheng
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD, 20740, USA.
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10
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Abstract
Hedgehogs are common in the majority of European countries and are known to host various pathogens, including viruses. The recent discovery of MERS-related coronaviruses (CoVs) in hedgehogs from Germany, France, the UK, China, and Italy suggests that hedgehogs may represent a wild reservoir of betacoronaviruses. This study reports the first detection and characterization of novel betacoronovirus, subgenus Merbecovirus in wild hedgehogs in Poland. The CoV RNA was detected in 10 out of 40 hedgehogs' rectal swabs and in 1 out of 18 samples of the lung. No viral RNA was identified in the duodenum and kidney. There was no significant relationship between clinical status, gender, hedgehogs' age, and coronaviral RNA detection. Phylogenetic analysis showed that CoVs detected in our study grouped together with other representatives of Hedgehog coronavirus 1 species identified in Western Europe. Our findings provide further evidence that hedgehogs are a natural reservoir of Merbecovirus. Considering the high mutation rate of CoVs and their potential for crossing interspecies barriers, the proper management of hedgehogs admitted to wildlife rehabilitation centres is needed. It cannot be excluded that merbecovirus strains detected in hedgehogs may recombine with other CoVs leading to new viruses with potential for interspecies transmission.
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11
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Ragwort poisoning and botulism cause deaths of Scottish cattle. Vet Rec 2021; 189:315-318. [PMID: 34677853 DOI: 10.1002/vetr.1103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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Uelze L, Bloch A, Borowiak M, Grobbel M, Deneke C, Fischer M, Malorny B, Pietsch M, Simon S, Szabó I, Tausch SH, Fischer J. What WGS Reveals about Salmonella enterica subsp. enterica in Wildlife in Germany. Microorganisms 2021; 9:1911. [PMID: 34576806 PMCID: PMC8471515 DOI: 10.3390/microorganisms9091911] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/26/2021] [Accepted: 09/06/2021] [Indexed: 11/28/2022] Open
Abstract
The aim of this study was to gain an overview of the genetic diversity of Salmonella found in wildlife in Germany. We were particularly interested in exploring whether wildlife acts as a reservoir of certain serovars/subtypes or antimicrobial resistance (AMR) genes. Moreover, we wanted to explore the potential of Salmonella in spreading from wildlife to livestock and humans. To answer these questions, we sequenced 260 Salmonella enterica subsp. enterica isolates sampled between 2002 and 2020 from wildlife across Germany, using short-read whole genome sequencing. We found, consistent with previous findings, that some Salmonella sequence types are associated with certain animal species, such as S. Choleraesuis ST145 with wild boar and S. Enteritidis ST183 with hedgehogs. Antibiotic resistance was detected in 14.2% of all isolates, with resistance against important WATCH group antibiotics present in a small number of isolates. We further found that wildlife isolates do not form separate phylogenetic clusters distant to isolates from domestic animals and foodstuff, thus indicating frequent transmission events between these reservoirs. Overall, our study shows that Salmonella in German wildlife are diverse, with a low AMR burden and close links to Salmonella populations of farm and food-production environments.
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Affiliation(s)
- Laura Uelze
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Angelina Bloch
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Maria Borowiak
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Mirjam Grobbel
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Carlus Deneke
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Matthias Fischer
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Burkhard Malorny
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Michael Pietsch
- Unit for Enteropathogenic Bacteria and Legionella (FG11)/National Reference Centre for Salmonella and Other Bacterial Enteric Pathogens, Robert Koch Institute (RKI), Burgstr. 37, 38855 Wernigerode, Germany; (M.P.); (S.S.)
| | - Sandra Simon
- Unit for Enteropathogenic Bacteria and Legionella (FG11)/National Reference Centre for Salmonella and Other Bacterial Enteric Pathogens, Robert Koch Institute (RKI), Burgstr. 37, 38855 Wernigerode, Germany; (M.P.); (S.S.)
| | - István Szabó
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Simon H. Tausch
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
| | - Jennie Fischer
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589 Berlin, Germany; (L.U.); (A.B.); (M.B.); (M.G.); (C.D.); (M.F.); (B.M.); (I.S.); (S.H.T.)
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13
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Luo L, Payne M, Kaur S, Hu D, Cheney L, Octavia S, Wang Q, Tanaka MM, Sintchenko V, Lan R. Elucidation of global and national genomic epidemiology of Salmonella enterica serovar Enteritidis through multilevel genome typing. Microb Genom 2021; 7. [PMID: 34292145 PMCID: PMC8477392 DOI: 10.1099/mgen.0.000605] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Salmonella enterica serovar Enteritidis is a major cause of foodborne Salmonella infections and outbreaks in humans. Effective surveillance and timely outbreak detection are essential for public health control. Multilevel genome typing (MGT) with multiple levels of resolution has been previously demonstrated as a promising tool for this purpose. In this study, we developed MGT with nine levels for S. Enteritidis and characterised the genomic epidemiology of S. Enteritidis in detail. We examined 26 670 publicly available S. Enteritidis genome sequences from isolates spanning 101 years from 86 countries to reveal their spatial and temporal distributions. Using the lower resolution MGT levels, globally prevalent and regionally restricted sequence types (STs) were identified; avian associated MGT4-STs were found that were common in human cases in the USA; temporal trends were observed in the UK with MGT5-STs from 2014 to 2018 revealing both long lived endemic STs and the rapid expansion of new STs. Using MGT3 to MGT6, we identified multidrug resistance (MDR) associated STs at various MGT levels, which improves precision of detection and global tracking of MDR clones. We also found that the majority of the global S. Enteritidis population fell within two predominant lineages, which had significantly different propensity of causing large scale outbreaks. An online open MGT database has been established for unified international surveillance of S. Enteritidis. We demonstrated that MGT provides a flexible and high-resolution genome typing tool for S. Enteritidis surveillance and outbreak detection.
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Affiliation(s)
- Lijuan Luo
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Michael Payne
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Sandeep Kaur
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Dalong Hu
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Liam Cheney
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Sophie Octavia
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Qinning Wang
- Centre for Infectious Diseases and Microbiology-Public Health, Institute of Clinical Pathology and Medical Research - NSW Health Pathology, Westmead Hospital, New South Wales, Australia
| | - Mark M Tanaka
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Vitali Sintchenko
- Centre for Infectious Diseases and Microbiology-Public Health, Institute of Clinical Pathology and Medical Research - NSW Health Pathology, Westmead Hospital, New South Wales, Australia.,Marie Bashir Institute for Infectious Diseases and Biosecurity, Sydney Medical School, University of Sydney, New South Wales, Australia
| | - Ruiting Lan
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
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14
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Abstract
Erinaceus europaeus is a cosmopolitan mammalian species broadly distributed in Europe, from natural to suburban areas. Due to its ecological role and susceptibility to distinct zoonotic agents, E. europaeus could be a suitable sentinel candidate for many global problems that negatively affect human and animal health. Hedgehogs can work as bioindicators to environmental contamination and can be hosts for multiple tickborne zoonotic agents. Thus, people who directly or indirectly make physical contact with this species are exposed to a variety of threats. Moreover, it has also been studied as an indicator for antibiotic resistance, which was already confirmed for tetracyclines. Additionally, it was also reported as a reservoir for methicillin-resistant Staphylococcus aureus (MRSA). More recently, hedgehogs have been recently recognised as potential reservoirs of MERS-CoV-like strains. Among other animals, this species can possibly represent an intermediate reservoir for SARS-CoV-2. The aim of this review is to briefly expose the scientific attainments about hedgehog health, namely agents, diseases, and threats that significantly affect general health concerns and that contribute to achieve One Health principles.
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15
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Hedgehogs as a Potential Source of Zoonotic Pathogens-A Review and an Update of Knowledge. Animals (Basel) 2021; 11:ani11061754. [PMID: 34208276 PMCID: PMC8230866 DOI: 10.3390/ani11061754] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Up to date studies indicate that wild hedgehogs may act as carriers and/or hosts for bacterial, viral, and fungal pathogens with zoonotic potential, posing a significant threat to humans. The same applies to domestic hedgehogs, which are increasingly kept as pets. Considering the potential risk of infection to humans through close contact with hedgehogs or the contaminated environment they inhabit, current data on the prevalence of various zoonotic pathogens in these animals is desirable. Abstract Hedgehogs are small insectivorous mammals common across Europe, Asia, and Africa. The increased encroachment of humans into hedgehog habitats has disrupted the human-animal-environment interface. With growing interest in the zoonotic diseases of wildlife species, more studies have been devoted to this subject in the last few years. These papers provide information about known and new emerging diseases. Here we review the current knowledge regarding bacterial, viral, protozoic, and mycotic pathogens with zoonotic potential and assess the importance of hedgehogs as their carriers. Both wild and pet hedgehogs were included in the review. Data from several countries and various hedgehog species were included. The study shows the importance of hedgehogs as carriers of zoonotic diseases and reservoirs of zoonotic pathogens in varied habitats.
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Iriana S, Asha K, Repak M, Sharma-Walia N. Hedgehog Signaling: Implications in Cancers and Viral Infections. Int J Mol Sci 2021; 22:1042. [PMID: 33494284 PMCID: PMC7864517 DOI: 10.3390/ijms22031042] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 12/14/2022] Open
Abstract
The hedgehog (SHH) signaling pathway is primarily involved in embryonic gut development, smooth muscle differentiation, cell proliferation, adult tissue homeostasis, tissue repair following injury, and tissue polarity during the development of vertebrate and invertebrate organisms. GLIoma-associated oncogene homolog (GLI) family of zinc-finger transcription factors and smoothened (SMO) are the signal transducers of the SHH pathway. Both SHH ligand-dependent and independent mechanisms activate GLI proteins. Various transcriptional mechanisms, posttranslational modifications (phosphorylation, ubiquitination, proteolytic processing, SUMOylation, and acetylation), and nuclear-cytoplasmic shuttling control the activity of SHH signaling pathway proteins. The dysregulated SHH pathway is associated with bone and soft tissue sarcomas, GLIomas, medulloblastomas, leukemias, and tumors of breast, lung, skin, prostate, brain, gastric, and pancreas. While extensively studied in development and sarcomas, GLI family proteins play an essential role in many host-pathogen interactions, including bacterial and viral infections and their associated cancers. Viruses hijack host GLI family transcription factors and their downstream signaling cascades to enhance the viral gene transcription required for replication and pathogenesis. In this review, we discuss a distinct role(s) of GLI proteins in the process of tumorigenesis and host-pathogen interactions in the context of viral infection-associated malignancies and cancers due to other causes. Here, we emphasize the potential of the Hedgehog (HH) pathway targeting as a potential anti-cancer therapeutic approach, which in the future could also be tested in infection-associated fatalities.
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17
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Palmieri N, Hess C, Hess M, Alispahic M. Sequencing of five poultry strains elucidates phylogenetic relationships and divergence in virulence genes in Morganella morganii. BMC Genomics 2020; 21:579. [PMID: 32831012 PMCID: PMC7446228 DOI: 10.1186/s12864-020-07001-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 08/17/2020] [Indexed: 12/31/2022] Open
Abstract
Background M. morganii is a bacterium frequently associated with urinary infections in humans. While many human strains are sequenced, only the genomes of few poultry strains are available. Here, we performed a detailed characterization of five highly resistant Morganella morganii strains isolated in association with Escherichia coli from diseased domestic Austrian poultry flocks, namely geese, turkeys and chicken layers. Additionally, we sequenced the genomes of these strains by NGS and analyzed phylogenetic clustering, resistance and virulence genes in the context of host-specificity. Results Two strains were identified to be Extended Spectrum Beta Lactamase (ESBL) and one as AmpC beta-lactamases (AMP-C) phenotype, while two were ESBL negative. By integrating the genome sequences of these five poultry strains with all the available M. morganii genomes, we constructed a phylogenetic tree that clearly separates the Morganella genus into two clusters (M1 and M2), which approximately reflect the proposed subspecies classification (morganii and sibonii). Additionally, we found no association between phylogenetic structure and host, suggesting interspecies transmission. All five poultry strains contained genes for resistance to aminocoumarins, beta-lactams, colistin, elfamycins, fluoroquinolones, phenicol, rifampin and tetracycline. A comparative genomics analysis of virulence genes showed acquisition of novel virulence genes involved in secretion system and adherence in cluster M2. We showed that some of these genes were acquired by horizontal gene transfer from closely related Morganellaceae species and propose that novel virulence genes could be responsible for expansion of tissue tropism in M. morganii. Finally, we detected variability in copy number and high sequence divergence in toxin genes and provided evidence for positive selection in insecticidal toxins genes, likely reflecting host-related adaptations. Conclusions In summary, this study describes i) the first isolation and characterization of M. morganii from goose and turkey, ii) a large-scale genetic analysis of M. morganii and an attempt to generate a global picture of the M. morganii intraspecific phylogenetic structure.
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Affiliation(s)
- Nicola Palmieri
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria
| | - Claudia Hess
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria
| | - Michael Hess
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria
| | - Merima Alispahic
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria.
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18
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Abstract
African pygmy hedgehogs are popular pets worldwide. The knowledge and understanding of pet hedgehog common veterinary conditions are increasing as new information and research are published; however, there is still much to learn about this fascinating animal. Salmonella is one of the most common zoonoses worldwide and is naturally isolated from the intestinal tract of many animal species, including hedgehogs. This article discusses the cause, clinical signs, diagnosis, treatment, and prevention of salmonella infection in hedgehogs, primarily focusing on African pygmy hedgehogs, with some reference to European hedgehogs.
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Affiliation(s)
- Emma Keeble
- The Dick Vet Rabbit and Exotic Practice, The University of Edinburgh, The Royal (Dick) School of Veterinary Studies, The Roslin Institute, Easter Bush Campus, Midlothian EH25 9RG, UK.
| | - Bronwyn Koterwas
- The Dick Vet Rabbit and Exotic Practice, The University of Edinburgh, The Royal (Dick) School of Veterinary Studies, The Roslin Institute, Easter Bush Campus, Midlothian EH25 9RG, UK
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19
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Novel Salmonella Variant Associated with Mortality in Two Great Spotted Woodpeckers (Dendrocopos major). J Wildl Dis 2019. [DOI: 10.7589/2018-08-191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Divergent geography of Salmonella Wangata and Salmonella Typhimurium epidemiology in New South Wales, Australia. One Health 2019; 7:100092. [PMID: 31016222 PMCID: PMC6475636 DOI: 10.1016/j.onehlt.2019.100092] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 04/05/2019] [Accepted: 04/08/2019] [Indexed: 11/21/2022] Open
Abstract
Salmonella enterica serovar Wangata is an important cause of salmonellosis in the state of New South Wales, Australia. Standard surveillance has not identified a common food source and cases have been attributed to an unknown environmental or wildlife reservoir. Investigation of the spatial distribution of cases may provide valuable insights into local risk factors for infection and the potential role of the environment and wildlife. Using conditional autoregressive analysis, we explored the association between laboratory-confirmed cases of S. Wangata reported to the New South Wales Department of Health and human socio-demographic, climate, land cover and wildlife features. For comparison, a model was also fitted to investigate the association of cases of Salmonella enterica serovar Typhimurium, an established foodborne serotype, with the same features. To determine if cases of S. Wangata were associated with potential wildlife reservoir species, additional variables were included in the S. Wangata model that indicated areas of high suitability for each species. We found that cases of S. Wangata were associated with warmer temperatures, proximity to wetlands and amphibian species richness. In contrast, cases of S. Typhimurium were associated with human demographic features (proportion of the population comprising children <5 years old), climate (mean annual precipitation and mean annual temperature) and land cover (proportion comprising urban and evergreen broadleaf forest). These findings support the hypothesis that S. Wangata is likely to be associated with an environmental source. Whilst we expected S. Typhimurium to be associated with the human socio-demographic feature, the significance of the land cover features was surprising and might suggest the epidemiology of S. Typhimurium in Australia is more complex than currently understood.
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