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Harman RR, Kim TN. Differentiating spillover: an examination of cross-habitat movement in ecology spillover in ecology. Proc Biol Sci 2024; 291:20232707. [PMID: 38351801 PMCID: PMC10865012 DOI: 10.1098/rspb.2023.2707] [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: 12/05/2023] [Accepted: 01/11/2024] [Indexed: 02/16/2024] Open
Abstract
Organisms that immigrate into a recipient habitat generate a movement pattern that affects local population dynamics and the environment. Spillover is the pattern of unidirectional movement from a donor habitat to a different, adjacent recipient habitat. However, ecological definitions are often generalized to include any cross-habitat movement, which limits within- and cross-discipline collaboration. To assess spillover nomenclature, we reviewed 337 studies within the agriculture, disease, fisheries and habitat fragmentation disciplines. Each study's definition of spillover and the methods used were analysed. We identified four descriptors (movement, habitat type and arrangement, and effect) used that differentiate spillover from other cross-habitat movement patterns (dispersal, foray loops and edge movement). Studies often define spillover as movement (45%) but rarely measure it as such (4%), particularly in disease and habitat fragmentation disciplines. Consequently, 98% of studies could not distinguish linear from returning movement out of a donor habitat, which can overestimate movement distance. Overall, few studies (12%) included methods that matched their own definition, revealing a distinct mismatch. Because theory shows that long-term impacts of the different movement patterns can vary, differentiating spillover from other movement patterns is necessary for effective long-term and inter-disciplinary management of organisms that use heterogeneous landscapes.
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Affiliation(s)
- Rachel R. Harman
- Department of Entomology, Kansas State University, 123 W. Waters Hall, Manhattan, KS 66506, USA
| | - Tania N. Kim
- Department of Entomology, Kansas State University, 123 W. Waters Hall, Manhattan, KS 66506, USA
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Guercio A, Mira F, Di Bella S, Gucciardi F, Lastra A, Purpari G, Castronovo C, Pennisi M, Di Marco Lo Presti V, Rizzo M, Giudice E. Biomolecular Analysis of Canine Distemper Virus Strains in Two Domestic Ferrets ( Mustela putorius furo). Vet Sci 2023; 10:375. [PMID: 37368761 DOI: 10.3390/vetsci10060375] [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: 03/23/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Canine distemper is a contagious and severe systemic viral disease that affects domestic and wild carnivores worldwide. In this study, two adult female ferrets (Mustela putorius furo) were evaluated for cutaneous lesions. Scab, fur, and swab samples from the external auditory canal, cutaneous lesions, and scrapings were analyzed. Canine distemper virus (CDV)-positive samples underwent RT-PCR/RFLP with the restriction enzyme PsiI, and the hemagglutinin gene sequence was obtained. According to the restriction enzyme and sequence analyses, the viral strains were typed as CDV field strains that are included within the Europe lineage and distinct from those including vaccinal CDV strains. The sequence analysis showed the highest nucleotide identity rates in older Europe lineage CDV strains collected from dogs and a fox in Europe. This study is the first to report on CDV infection in ferrets in southern Italy and contributes to the current knowledge about natural CDV infection in this species. In conclusion, vaccination remains crucial for preventing the disease and counteracting cross-species infection. Molecular biology techniques can enable the monitoring of susceptible wild animals by ensuring the active surveillance of CDV spread.
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Affiliation(s)
- Annalisa Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Francesco Mira
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
| | - Santina Di Bella
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Francesca Gucciardi
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Antonio Lastra
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Giuseppa Purpari
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Calogero Castronovo
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via G. Marinuzzi, 3, 90129 Palermo, Italy
| | - Melissa Pennisi
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
| | | | - Maria Rizzo
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
| | - Elisabetta Giudice
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
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Assessing Red Fox ( Vulpes vulpes) Demographics to Monitor Wildlife Diseases: A Spotlight on Echinococcus multilocularis. Pathogens 2022; 12:pathogens12010060. [PMID: 36678408 PMCID: PMC9862526 DOI: 10.3390/pathogens12010060] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/16/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022] Open
Abstract
The assessment of red fox population density is considered relevant to the surveillance of zoonotic agents vectored by this species. However, density is difficult to estimate reliably, since the ecological plasticity and elusive behavior of this carnivore hinder classic methods of inference. In this study, red fox population density was estimated using a non-invasive molecular spatial capture-recapture (SCR) approach in two study areas: one in a known hotspot of the zoonotic cestode Echinococcus multilocularis, and another naïve to the parasite. Parasitological investigations on collected samples confirmed the presence of the parasite exclusively in the former area; the SCR results indicated a higher fox population density in the control area than in the hotspot, suggesting either that the relationship between fox density and parasite prevalence is not linear and/or the existence of other latent factors supporting the parasitic cycle in the known focus. In addition, fox spotlight count data for the two study areas were used to estimate the index of kilometric abundance (IKA). Although this method is cheaper and less time-consuming than SCR, IKA values were the highest in the areas with the lower molecular SCR density estimates, confirming that IKA should be regarded as a relative index only.
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Detection and Molecular Characterization of Canine Distemper Virus in Wildlife from Northern Italy. Pathogens 2022; 11:pathogens11121557. [PMID: 36558891 PMCID: PMC9782791 DOI: 10.3390/pathogens11121557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Canine distemper virus (CDV) is a fatal, highly contagious disease found in wild and domestic carnivores. Several outbreaks have occurred in wildlife in Italy in recent years. This study aims to detect CDV in wildlife following the increasing mortality of foxes (Vulpes vulpes) in the Emilia-Romagna region (northern Italy) observed in 2021. Sixty-seven foxes and one badger (Meles meles) were subjected to necropsy followed by histological examination and were analyzed with molecular techniques to detect the presence of CDV. Of the tested animals, 16% (nine foxes and one badger) were positive for CDV. Phylogenetic analysis showed two different lineages based on complete H gene sequences. The Europe/South America-1 lineage was detected in one fox from Modena, which resembled the CDV variant associated with a previous outbreak in northern Italy in 2018, while the European Wildlife lineage was detected in animals from the Rimini province. Amino acid analysis highlighted a Y549H mutation in all sequences collected, which is commonly associated with increased virulence.
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Echeverry-Bonilla DF, Buriticá-Gaviria EF, Orjuela-Acosta D, Chinchilla-Cardenas DJ, Ruiz-Saenz J. The First Report and Phylogenetic Analysis of Canine Distemper Virus in Cerdocyon thous from Colombia. Viruses 2022; 14:v14091947. [PMID: 36146754 PMCID: PMC9502595 DOI: 10.3390/v14091947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Canine distemper virus (CDV) is the etiological agent of a highly prevalent viral infectious disease of domestic and wild carnivores. This virus poses a conservation threat to endangered species worldwide due to its ability to jump between multiple species and produce a disease, which is most often fatal. Although CDV infection has been regularly diagnosed in Colombian wildlife, to date the molecular identity of circulating CDV lineages is currently unknown. Our aim was to evaluate the presence and phylogenetic characterization of CDV detected in samples from naturally infected Cerdocyon thous from Colombia. We sequenced for the first time the CDV infecting wildlife in Colombia and demonstrated the presence of South America/North America-4 Lineage with a higher relationship to sequences previously reported from domestic and wild fauna belonging to the United States of America. Our results are crucial for the understanding of the interspecies transmission of CDV in the domestic/wild interface and for the prevention and control of such an important multi-host pathogen.
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Affiliation(s)
- Diego Fernando Echeverry-Bonilla
- Hospital Veterinario, Universidad del Tolima, Calle 20 Sur # 23A-160 Barrio Miramar, Ibagué 730010, Tolima, Colombia
- Grupo de Investigación en Medicina y Cirugía de Pequeños Animales, Facultad de Medicina Veterinaria y Zootecnia, Universidad del Tolima, Calle 20 Sur # 23A-160 Barrio Miramar, Ibagué 730010, Tolima, Colombia
| | - Edwin Fernando Buriticá-Gaviria
- Hospital Veterinario, Universidad del Tolima, Calle 20 Sur # 23A-160 Barrio Miramar, Ibagué 730010, Tolima, Colombia
- Grupo de Investigación en Medicina y Cirugía de Pequeños Animales, Facultad de Medicina Veterinaria y Zootecnia, Universidad del Tolima, Calle 20 Sur # 23A-160 Barrio Miramar, Ibagué 730010, Tolima, Colombia
| | - Delio Orjuela-Acosta
- Hospital Veterinario, Universidad del Tolima, Calle 20 Sur # 23A-160 Barrio Miramar, Ibagué 730010, Tolima, Colombia
| | - Danny Jaír Chinchilla-Cardenas
- Mascolab, Laboratorio de Biología Molecular, Calle 49 Sur # 45ª-300, Oficina 1202, Centro Empresarial S48 Tower, Envigado 055422, Antioquia, Colombia
| | - Julian Ruiz-Saenz
- Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Bucaramanga 680002, Colombia
- Correspondence:
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Molecular Detection and Phylogenetic Analysis of Canine Distemper Virus in Marsican Brown Bear (Ursus arctos marsicanus). Animals (Basel) 2022; 12:ani12141826. [PMID: 35883373 PMCID: PMC9311857 DOI: 10.3390/ani12141826] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/04/2022] [Accepted: 07/16/2022] [Indexed: 12/23/2022] Open
Abstract
Simple Summary Marsican brown bear is a subspecies of Eurasian bear, that lives in a few areas of Central Italy, with an estimated population of only 50 animals. For this reason, it is considered one of the most threatened Italian mammals, and specific Conservation Plans are applied with the focus to fight the mortality causes, mainly related to human activities or illegal practices. On the contrary, few reports describing infectious or parasitic diseases in Marsican brown bears are available. Among pathogens, the canine distemper virus (CDV) is responsible for a contagious and multi-organ disease, able to infect a wide range of domestic and wild carnivores. In 2013 a fatal outbreak of distemper was registered in Central Italy, involving dogs, Apennine wolves, badgers, and foxes, but apparently without any consequences for the Marsican brown bears living in the same territories. In this paper, we describe the first CDV infection detected in a live-trapped bear. The identified strain resulted in similarities to CDV recovered from foxes and dogs of the same area. Even if no clinical signs referred to the disease have been detected in the monitored bear, the evidence of a viral pathogen potentially able to menace the conservation of the Marsican brown bear population highlights the importance of continuing observation activities. Abstract In this paper, we report the first molecular detection of the canine distemper virus in the Marsican brown bear (Ursus arctos marsicanus). Three subadults and one adult were live-trapped and checked for the main viral pathogens responsible for infectious diseases in this species. The four bears were found to be negative for all investigated viruses except for one, which resulted in a positive outcome for CDV by means of RT-PCR targeting fragments of viral N and H genes. The sequence analysis revealed the specificity of amplicons for the Europe Wildlife lineage of CDV, the same viral strain recovered from three foxes and two unvaccinated dogs coming from the same territories where the positive bear was captured. These results confirm the receptivity of Marsican brown bear for CDV, apparently without any pathological consequences for the positive animal, and suggest the presence in the studied area of a unique wild host-adapted lineage of the virus, able to spread in domestic animals, too. In this respect, continuous and specifically targeted surveillance systems are necessary in order to highlight any changes in the epidemiology of the infection in the territories where the Marsican brown bear lives, along with a more effective vaccination program for domestic dogs co-existing with this endangered species.
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Cocchi M, Danesi P, De Zan G, Leati M, Gagliazzo L, Ruggeri M, Palei M, Bremini A, Rossmann MC, Lippert-Petscharnig M, Mansfeld MD, Deotto S, Leardini S, Gobbo F, Zucca P, De Benedictis P. A Three-Year Biocrime Sanitary Surveillance on Illegally Imported Companion Animals. Pathogens 2021; 10:pathogens10081047. [PMID: 34451511 PMCID: PMC8399716 DOI: 10.3390/pathogens10081047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/04/2022] Open
Abstract
The illegal trade of companion animals in the European Union poses several legal, ethical and health issues to the entire community. In the framework of the Biocrime Interreg project between Italy and Austria, we surveyed puppies and kittens confiscated at the borders to identify the most frequent pathogens associated with (i) the risk of spread within the shelter, (ii) the development of fatal disease and (iii) the zoonotic potential. From January 2018 to December 2020, we examined a total of 613 puppies and 62 kittens coming from 44 requisitions. Feces, skin specimens and blood sera from confiscated animals were tested to verify the presence of major infections and to assess the rabies post-vaccination immunity. Out of the total of individuals under investigation, necropsies and laboratory investigations were also performed on 79 puppies and three kittens that had died during the observation period. Results indicated a high prevalence of Canine Parvovirus (CPV) and Giardia spp. infections, CPV as the most likely cause of fatal gastroenteritis in puppies and Salmonella and Microsporum canis as major zoonotic pathogens. Conversely, both extended spectrum beta lactamases Escherichia coli and methicillin resistant Staphylococcus pseudintermedius strains as rare findings. Results highlighted that illegal animal trade could expose the human population to potential zoonotic risk and naïve animal population to potentially disrupting epidemic waves, both of these issues being largely underestimated when buying companion animals.
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Affiliation(s)
- Monia Cocchi
- Istituto Zooprofilattico Sperimentale Delle Venezie, Sezione territoriale di Udine, 33030 Basaldella di Campoformido, Italy; (M.C.); (G.D.Z.); (S.D.)
| | - Patrizia Danesi
- National Reference Centre/OIE Collaborating Centre for Diseases at the Animal-Human Interface, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy; (P.D.); (S.L.); (F.G.)
- Laboratory of Parasitology, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy
| | - Gabrita De Zan
- Istituto Zooprofilattico Sperimentale Delle Venezie, Sezione territoriale di Udine, 33030 Basaldella di Campoformido, Italy; (M.C.); (G.D.Z.); (S.D.)
| | - Marta Leati
- National Reference Laboratory for Salmonella, Istituto Zooprofilattico Sperimentale Delle Venezie, Laboratory of Parasitology, 35020 Legnaro, Italy;
| | - Laura Gagliazzo
- Istituto Zooprofilattico Sperimentale Delle Venezie, Epidemiology and Biostatistics, 35020 Legnaro, Italy; (L.G.); (M.R.)
| | - Margherita Ruggeri
- Istituto Zooprofilattico Sperimentale Delle Venezie, Epidemiology and Biostatistics, 35020 Legnaro, Italy; (L.G.); (M.R.)
| | - Manlio Palei
- Central Directorate for Health, Social Policies and Disabilities, Friuli Venezia Giulia Region, 34123 Trieste, Italy; (M.P.); (A.B.); (P.Z.)
| | - Alessandro Bremini
- Central Directorate for Health, Social Policies and Disabilities, Friuli Venezia Giulia Region, 34123 Trieste, Italy; (M.P.); (A.B.); (P.Z.)
- Biocrime Veterinary Medical Intelligence Centre, c/o International Police and Custom Cooperation Centre, Thörl-Maglern, 9602 Arnoldstein, Austria;
| | - Marie-Christin Rossmann
- Biocrime Veterinary Medical Intelligence Centre, c/o International Police and Custom Cooperation Centre, Thörl-Maglern, 9602 Arnoldstein, Austria;
- Agiculture, Forestry, Rural Areas Veterinary Department, Land Carinthia, 9020 Klagenfurt, Austria
| | - Melanie Lippert-Petscharnig
- Amt der Kärntner Landesregierung, Institut für Lebensmittelsicherheit, Veterinärmedizin und Umwelt (ILV Kärnten), Laborbereichsleitung Serologie/PCR/Fischdiagnostik, 9020 Klagenfurt, Austria;
| | - Michael-Dieter Mansfeld
- Amt der Kärntner Landesregierung, Institut für Lebensmittelsicherheit, Veterinärmedizin und Umwelt (ILV Kärnten), Laborbereichsleitung Bakteriologie/Hämatologie, 9020 Klagenfurt, Austria;
| | - Silvia Deotto
- Istituto Zooprofilattico Sperimentale Delle Venezie, Sezione territoriale di Udine, 33030 Basaldella di Campoformido, Italy; (M.C.); (G.D.Z.); (S.D.)
| | - Sofia Leardini
- National Reference Centre/OIE Collaborating Centre for Diseases at the Animal-Human Interface, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy; (P.D.); (S.L.); (F.G.)
- Istituto Zooprofilattico Sperimentale Delle Venezie, Laboratory of Special Virology, 35020 Legnaro, Italy
| | - Federica Gobbo
- National Reference Centre/OIE Collaborating Centre for Diseases at the Animal-Human Interface, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy; (P.D.); (S.L.); (F.G.)
- Istituto Zooprofilattico Sperimentale Delle Venezie, Laboratory of Special Virology, 35020 Legnaro, Italy
| | - Paolo Zucca
- Central Directorate for Health, Social Policies and Disabilities, Friuli Venezia Giulia Region, 34123 Trieste, Italy; (M.P.); (A.B.); (P.Z.)
- Biocrime Veterinary Medical Intelligence Centre, c/o International Police and Custom Cooperation Centre, Thörl-Maglern, 9602 Arnoldstein, Austria;
| | - Paola De Benedictis
- National Reference Centre/OIE Collaborating Centre for Diseases at the Animal-Human Interface, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy; (P.D.); (S.L.); (F.G.)
- National and FAO Reference Centre for Rabies, Istituto Zooprofilattico Sperimentale Delle Venezie, 35020 Legnaro, Italy
- Correspondence:
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Pan Y, Wang S, Li P, Yue F, Zhang Y, Pan B, Liu X. Apoptotic investigation of brain tissue cells in dogs naturally infected by canine distemper virus. Virol J 2021; 18:165. [PMID: 34384430 PMCID: PMC8359588 DOI: 10.1186/s12985-021-01635-8] [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] [Received: 06/02/2021] [Accepted: 08/03/2021] [Indexed: 01/21/2023] Open
Abstract
Background Canine distemper caused by canine distemper virus that belongs to the Morbillivirus genus of the Paramyxoviridae family is still a global epidemic significant infectious disease, especially in pet dogs in China and serious harm to the development of the dog industry. It has been known that apoptosis caused by the canine distemper virus can show in culture cells, lymphoid tissues, and the cerebellum. However, its occurrence in brain tissue cells remains unclear. To investigate the relationship among canine distemper infecting brain tissues, apoptosis in brain tissue cells, and demyelinating pathogenesis was investigated. Methods 16 naturally infected dogs that exhibited clinical signs of CD and tested positive for the anti-CDV monoclonal antibody and six healthy dogs that served as the control, were used in the research. Brain specimens were divided into the cerebrum, brain stem, and cerebellum embedded in paraffin and made the sections respectively. Approximately 5 µm-thick sections were stained by hematoxylin–eosin, methyl green pyronin, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling technique, and immunohistochemistry. CDV nucleocapsid protein was detected by immune streptavidin-biotinylated peroxidase complex. Results Alterations in the brain tissues of CDV-infected dogs involved both various cells and nerve fibers. CDV had varying degrees of cytotropism to all brain tissue cells; apoptosis also occurred in all brain cells, especially in the endothelia of cerebral vessels, astrocytes, oligodendrocytes, and ependymal cells, the more serious infection, the more obvious apoptosis. Serious infections also involved the pyramidal and Purkinje cells. The nervous fibers exhibited demyelinating lesions (showed small multifocal vacuole), and some axonal neuron atrophy gradually disappeared (formed large vacuole). Conclusions Apoptosis in brain tissue cells was mainly related to the propagation path and cytotropism of CDV. The apoptosis of astrocytes, oligodendrocytes, and some neurons may play a significant role in the demyelinating pathogenesis in dogs with acute canine distemper. A lot of diverse nervous signs shown in the clinic may be related to different neuron apoptosis.
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Affiliation(s)
- Yaoqian Pan
- School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China
| | - Shuai Wang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Peng Li
- School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China
| | - Feng Yue
- School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China
| | - Yanfang Zhang
- School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China
| | - Bo Pan
- Division of Basic Biomedical Sciences, Sanford School of Medicine of the University of South Dakota, Vermillion, SD, 57069, USA.
| | - Xingyou Liu
- School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China.
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Balboni A, Savini F, Scagliarini A, Berti E, Naldi M, Urbani L, Fontana MC, Carra E, Gibelli LRM, Gobbo F, Bologna E, Zambelli D, Ceccherelli R, Battilani M. Natural distemper infection in stone martens (Martes foina): From infection to neutralizing antibodies. Res Vet Sci 2021; 138:196-200. [PMID: 34171543 DOI: 10.1016/j.rvsc.2021.06.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/03/2021] [Accepted: 06/15/2021] [Indexed: 02/07/2023]
Abstract
We report an outbreak of canine distemper virus (CDV) among stone martens (Martes foina) in Italy. After being rescued in Northern Italy between April and June 2018, six subjects were kept in a wildlife and exotic animal rescue center in Bologna province. Subjects have been monitored for 15 months in captivity. Within this time-lapse, two subjects died, while among the remaining four, only one showed clinical symptoms referable to distemper. Surviving subjects have been regularly tested for CDV by means of reverse transcriptase-PCR from conjunctival and oropharyngeal swabs for eleven months. The identified viruses belonged to the Wildlife-Europe CDV genetic subgroup. Neutralizing antibodies were detected at the end of the eleven months, when all subjects tested reverse transcriptase-PCR negative. Our findings confirm the circulation of the Wildlife-Europe CDV genetic subgroup (Europe 1/South America 1 lineage) within the Italian wildlife, and improve knowledge on viral infection in stone martens.
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Affiliation(s)
- Andrea Balboni
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, BO 40064, Italy.
| | - Federica Savini
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, BO 40064, Italy.
| | - Alessandra Scagliarini
- Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum-University of Bologna, Via Massarenti 9, Bologna 40138, Italy.
| | - Elisa Berti
- Centro Tutela e Ricerca Fauna Esotica e Selvatica Monte Adone ODV, Via Brento 9, Sasso Marconi, BO 40037, Italy.
| | - Marzia Naldi
- Centro Tutela e Ricerca Fauna Esotica e Selvatica Monte Adone ODV, Via Brento 9, Sasso Marconi, BO 40037, Italy.
| | - Lorenza Urbani
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, BO 40064, Italy.
| | - Maria Cristina Fontana
- Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna "B. Ubertini" (IZSLER), Via Antonio Bianchi 9, Brescia 25124, Italy.
| | - Elena Carra
- Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna "B. Ubertini" (IZSLER), Via Antonio Bianchi 9, Brescia 25124, Italy.
| | - Lucia Rita Maria Gibelli
- Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna "B. Ubertini" (IZSLER), Via Antonio Bianchi 9, Brescia 25124, Italy.
| | - Federica Gobbo
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), viale Dell'Università 10, Legnaro, PD 35020, Italy.
| | - Emanuela Bologna
- Centro Tutela e Ricerca Fauna Esotica e Selvatica Monte Adone ODV, Via Brento 9, Sasso Marconi, BO 40037, Italy.
| | - Donatella Zambelli
- Centro Tutela e Ricerca Fauna Esotica e Selvatica Monte Adone ODV, Via Brento 9, Sasso Marconi, BO 40037, Italy.
| | - Renato Ceccherelli
- Centro Tutela e Ricerca Fauna Esotica e Selvatica Monte Adone ODV, Via Brento 9, Sasso Marconi, BO 40037, Italy.
| | - Mara Battilani
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, BO 40064, Italy.
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Patterns and processes of pathogen exposure in gray wolves across North America. Sci Rep 2021; 11:3722. [PMID: 33580121 PMCID: PMC7881161 DOI: 10.1038/s41598-021-81192-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/29/2020] [Indexed: 01/30/2023] Open
Abstract
The presence of many pathogens varies in a predictable manner with latitude, with infections decreasing from the equator towards the poles. We investigated the geographic trends of pathogens infecting a widely distributed carnivore: the gray wolf (Canis lupus). Specifically, we investigated which variables best explain and predict geographic trends in seroprevalence across North American wolf populations and the implications of the underlying mechanisms. We compiled a large serological dataset of nearly 2000 wolves from 17 study areas, spanning 80° longitude and 50° latitude. Generalized linear mixed models were constructed to predict the probability of seropositivity of four important pathogens: canine adenovirus, herpesvirus, parvovirus, and distemper virus-and two parasites: Neospora caninum and Toxoplasma gondii. Canine adenovirus and herpesvirus were the most widely distributed pathogens, whereas N. caninum was relatively uncommon. Canine parvovirus and distemper had high annual variation, with western populations experiencing more frequent outbreaks than eastern populations. Seroprevalence of all infections increased as wolves aged, and denser wolf populations had a greater risk of exposure. Probability of exposure was positively correlated with human density, suggesting that dogs and synanthropic animals may be important pathogen reservoirs. Pathogen exposure did not appear to follow a latitudinal gradient, with the exception of N. caninum. Instead, clustered study areas were more similar: wolves from the Great Lakes region had lower odds of exposure to the viruses, but higher odds of exposure to N. caninum and T. gondii; the opposite was true for wolves from the central Rocky Mountains. Overall, mechanistic predictors were more informative of seroprevalence trends than latitude and longitude. Individual host characteristics as well as inherent features of ecosystems determined pathogen exposure risk on a large scale. This work emphasizes the importance of biogeographic wildlife surveillance, and we expound upon avenues of future research of cross-species transmission, spillover, and spatial variation in pathogen infection.
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Hernández FA, Manqui J, Mejías C, Acosta-Jamett G. Domestic Dogs and Wild Foxes Interactions in a Wildlife-Domestic Interface of North-Central Chile: Implications for Multi-Host Pathogen Transmission. Front Vet Sci 2021; 8:631788. [PMID: 33634181 PMCID: PMC7899968 DOI: 10.3389/fvets.2021.631788] [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] [Received: 11/20/2020] [Accepted: 01/18/2021] [Indexed: 11/24/2022] Open
Abstract
Domestic dogs (Canis familiaris) often cohabite at interfaces shared by humans and wildlife, interacting with wild canids as predators, prey, competitors and reservoirs of several multi-host pathogens, such as canid-borne micro and macro parasites that could impact on wildlife, livestock and public health. However, spatio-temporal patterns of indirect interactions as promoters of pathogen transfer between domestic and wild canids are largely unknown. In this study, we used camera traps to describe the activity patterns and habitat use of dogs, chilla (Lycalopex griseus) and culpeo (Lycalopex culpaeus) foxes and identify the local-scale factors that may affect the frequency of dog-fox interactions through an anthropization gradient of the Coquimbo region, Chile. We assessed local-scale variables that may predict the number of interactions between dogs and foxes, and compared the time interval between dog-culpeo and dog-chilla interactions. Our findings suggested that closeness to urbanized zones predicts the frequency of indirect interactions between dogs and foxes. We found higher number of dog-fox interactions (60 interactions) at a periurban site adjacent to two coastal towns (Tongoy and Guanaqueros), compared to other two more undisturbed sites (12 interactions) increasingly distanced from urbanized areas. We showed that dogs interacted more frequently with chilla foxes (57 interactions) than with culpeo foxes (15 interactions), and the first interaction type occurred almost exclusively at the periurban site, where dogs and chillas were more frequently detected than in the other sites. We detected a marked temporal segregation between dogs and foxes, but dog-chilla interactions resulted in shorter time intervals (2.5 median days) compared to dog-culpeo interactions (7.6 median days), suggesting a higher potential risk of pathogen spillover between the first species pairing. Based on previous studies, we suggest periurban zones may constitute a potential focus of pathogen exposure between dog and fox populations in the study area. Our research contributes to improving the knowledge on the spatio-temporal patterns of interspecific contact between invasive and native carnivores within the context of multi-host pathogen dynamics. Our outcomes will inform theoretical epidemiological models designed to predict and minimize the contact risk between domestic and threatened species, guiding effective control strategies at the wildlife-domestic interface.
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Affiliation(s)
- Felipe A Hernández
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Jonatan Manqui
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Carlos Mejías
- Programa de Magíster en Ecología Aplicada, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile.,Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | - Gerardo Acosta-Jamett
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.,Programa de Investigación Aplicada en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
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Trogu T, Canziani S, Salvato S, Bianchi A, Bertoletti I, Gibelli LR, Alborali GL, Barbieri I, Gaffuri A, Sala G, Sozzi E, Lelli D, Lavazza A, Moreno A. Canine Distemper Outbreaks in Wild Carnivores in Northern Italy. Viruses 2021; 13:v13010099. [PMID: 33450828 PMCID: PMC7828270 DOI: 10.3390/v13010099] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 12/02/2022] Open
Abstract
Canine distemper (CD) is a fatal, highly contagious disease of wild and domestic carnivores. In the Alpine territory, several outbreaks have occurred in the past few decades within wild populations. This study investigated the presence of canine distemper virus (CDV) infections in wild carnivores in Lombardy, relating to the different circulating genotypes. From 2018 to 2020, foxes, badgers, and martens collected during passive surveillance were subjected to necropsy and histological examination, showing classical signs and microscopic lesions related to CDV. Pools of viscera from each animal were analysed by molecular methods and immunoelectron microscopy. Total prevalences of 39.7%, 52.6%, and 14.3% were recorded in foxes, badgers, and stone martens, respectively. A phylogenetic analysis showed that the sequences obtained belonged to the European 1 lineage and were divided into two different clades (a and b) according to the geographical conformation of alpine valleys included in the study. Clade a was related to the European outbreaks originating from Germany in 2006–2010, while clade b was closely related to the CDV sequences originating from northeastern Italy during the 2011–2018 epidemic wave. Our results suggest that CDV is currently well adapted to wild carnivores, mostly circulating with subclinical manifestations and without severe impact on the dynamics of these populations.
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Citterio CV, Obber F, Trevisiol K, Dellamaria D, Celva R, Bregoli M, Ormelli S, Sgubin S, Bonato P, Da Rold G, Danesi P, Ravagnan S, Vendrami S, Righetti D, Agreiter A, Asson D, Cadamuro A, Ianniello M, Capelli G. Echinococcus multilocularis and other cestodes in red foxes (Vulpes vulpes) of northeast Italy, 2012-2018. Parasit Vectors 2021; 14:29. [PMID: 33413547 PMCID: PMC7789758 DOI: 10.1186/s13071-020-04520-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 12/04/2020] [Indexed: 01/06/2023] Open
Abstract
Background Echinococcus multilocularis is a small tapeworm affecting wild and domestic carnivores and voles in a typical prey-predator life cycle. In Italy, there has been a focus of E. multilocularis since 1997 in the northern Italian Alps, later confirmed in red foxes collected from 2001 to 2005. In this study, we report the results of seven years of monitoring on E. multilocularis and other cestodes in foxes and describe the changes that occurred over time and among areas (eco-regions) showing different environmental and ecological features on a large scale. Methods Eggs of cestodes were isolated from feces of 2872 foxes with a sedimentation/filtration technique. The cestode species was determined through multiplex PCR, targeting and sequencing ND1 and 12S genes. Analyses were aimed to highlight variations among different eco-regions and trends in prevalence across the study years. Results Out of 2872 foxes, 217 (7.55%) samples resulted positive for cestode eggs at coproscopy, with differences of prevalence according to year, sampling area and age class. Eight species of cestodes were identified, with Taenia crassiceps (2.65%), Taenia polyacantha (1.98%) and E. multilocularis (1.04%) as the most represented. The other species, Mesocestoides litteratus, Taenia krabbei, T. serialis, T. taeniaeformis and Dipylidium caninum, accounted for < 1% altogether. Echinococcus multilocularis was identified in foxes from two out of six eco-regions, in 30 fecal samples, accounting for 1.04% within the cestode positives at coproscopy. All E. multilocularis isolates came from Bolzano province. Prevalence of cestodes, both collectively and for each of the three most represented species (T. crassiceps, T. polyacantha and E. multilocularis), varied based on the sampling year, and for E. multilocularis an apparent increasing trend across the last few years was evidenced. Conclusions Our study confirms the presence of a focus of E. multilocularis in red foxes of northeast Italy. Although this focus seems still spatially limited, given its persistence and apparent increasing prevalence through the years, we recommend research to be conducted in the future on the ecological factors that, on a smaller scale, allow this zoonotic species to persist. On the same scale, we recommend a health education campaign to inform on the measures to prevent this zoonosis, targeted at people living in the area, especially hunters, dog owners, forestry workers and other potentially exposed categories.![]()
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Affiliation(s)
| | - Federica Obber
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy.
| | - Karin Trevisiol
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Debora Dellamaria
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Roberto Celva
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Marco Bregoli
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Silvia Ormelli
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Sofia Sgubin
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Paola Bonato
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Graziana Da Rold
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Patrizia Danesi
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Silvia Ravagnan
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
| | - Stefano Vendrami
- Provincia di Belluno, Wildlife Management Office, Belluno, Italy
| | - Davide Righetti
- Provincia di Bolzano, Wildlife Management Office, Bolzano, Italy
| | - Andreas Agreiter
- Provincia di Bolzano, Wildlife Management Office, Bolzano, Italy
| | - Daniele Asson
- Provincia di Trento, Wildlife Management Office, Trento, Italy
| | - Andrea Cadamuro
- Regione Friuli Venezia Giulia, Wildlife Management Office, Udine, Italy
| | - Marco Ianniello
- Ministry of Health, General Directorate for Animal Health and Veterinary Drugs, Rome, Italy
| | - Gioia Capelli
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (PD), Italy
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Di Francesco CE, Smoglica C, Angelucci S. Infectious Diseases and Wildlife Conservation Medicine: The Case of the Canine Distemper in European Wolf Population. Animals (Basel) 2020; 10:ani10122426. [PMID: 33352915 PMCID: PMC7766025 DOI: 10.3390/ani10122426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 12/27/2022] Open
Abstract
Canine distemper is a contagious infectious disease, caused by canine distemper virus (CDV) belonging to Morbillivirus genus, Paramyxoviridae family, representing a serious threat for domestic and wild carnivores [...]
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Affiliation(s)
- Cristina E. Di Francesco
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64110 Teramo, Italy; (C.S.); (S.A.)
- Correspondence:
| | - Camilla Smoglica
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64110 Teramo, Italy; (C.S.); (S.A.)
| | - Simone Angelucci
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64110 Teramo, Italy; (C.S.); (S.A.)
- Majella National Park, Caramanico Terme, 65023 Pescara, Italy
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