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Puryear W, Sawatzki K, Bogomolni A, Hill N, Foss A, Stokholm I, Olsen MT, Nielsen O, Waltzek T, Goldstein T, Subramaniam K, Rodrigues TCS, Belaganahalli M, Doughty L, Becker L, Stokes A, Niemeyer M, Tuttle A, Romano T, Linhares MB, Fauquier D, Runstadler J. Longitudinal analysis of pinnipeds in the northwest Atlantic provides insights on endemic circulation of phocine distemper virus. Proc Biol Sci 2021; 288:20211841. [PMID: 34753354 PMCID: PMC8580419 DOI: 10.1098/rspb.2021.1841] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/19/2021] [Indexed: 01/01/2023] Open
Abstract
Phocine distemper virus (PDV) is a morbillivirus that circulates within pinnipeds in the North Atlantic. PDV has caused two known unusual mortality events (UMEs) in western Europe (1988, 2002), and two UMEs in the northwest Atlantic (2006, 2018). Infrequent cross-species transmission and waning immunity are believed to contribute to periodic outbreaks with high mortality in western Europe. The viral ecology of PDV in the northwest Atlantic is less well defined and outbreaks have exhibited lower mortality than those in western Europe. This study sought to understand the molecular and ecological processes underlying PDV infection in eastern North America. We provide phylogenetic evidence that PDV was introduced into northwest Atlantic pinnipeds by a single lineage and is now endemic in local populations. Serological and viral screening of pinniped surveillance samples from 2006 onward suggest there is continued circulation of PDV outside of UMEs among multiple species with and without clinical signs. We report six full genome sequences and nine partial sequences derived from harbour and grey seals in the northwest Atlantic from 2011 through 2018, including a possible regional variant. Work presented here provides a framework towards greater understanding of how recovering populations and shifting species may impact disease transmission.
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Affiliation(s)
- Wendy Puryear
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA
| | - Kaitlin Sawatzki
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA
| | - Andrea Bogomolni
- Department of Marine Science, Safety and Environmental Protection, Massachusetts Maritime Academy, Buzzards Bay, MA, USA
| | - Nichola Hill
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA
| | - Alexa Foss
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA
| | - Iben Stokholm
- Evolutionary Genomics Section, GLOBE Institute, University of Copenhagen, Denmark
| | - Morten Tange Olsen
- Evolutionary Genomics Section, GLOBE Institute, University of Copenhagen, Denmark
| | - Ole Nielsen
- Department of Fisheries and Oceans Canada, Winnipeg, Canada
| | - Thomas Waltzek
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Tracey Goldstein
- Karen C. Drayer Wildlife Health Center and Department of Pathology, Immunology and Microbiology, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Kuttichantran Subramaniam
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Thais Carneiro Santos Rodrigues
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Manjunatha Belaganahalli
- Institute of Animal Health and Veterinary Biologicals Karnataka Veterinary, Animal and Fisheries sciences University Hebbal, Bengaluru, India
| | | | - Lisa Becker
- National Marine Life Center, Buzzards Bay, MA, USA
| | | | - Misty Niemeyer
- International Fund for Animal Welfare, Yarmouth Port, MA, USA
| | | | | | | | - Deborah Fauquier
- Office of Protected Resources, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Silver Spring, MD, USA
| | - Jonathan Runstadler
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA
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Duignan PJ, Van Bressem MF, Baker JD, Barbieri M, Colegrove KM, De Guise S, de Swart RL, Di Guardo G, Dobson A, Duprex WP, Early G, Fauquier D, Goldstein T, Goodman SJ, Grenfell B, Groch KR, Gulland F, Hall A, Jensen BA, Lamy K, Matassa K, Mazzariol S, Morris SE, Nielsen O, Rotstein D, Rowles TK, Saliki JT, Siebert U, Waltzek T, Wellehan JF. Phocine distemper virus: current knowledge and future directions. Viruses 2014; 6:5093-134. [PMID: 25533658 PMCID: PMC4276944 DOI: 10.3390/v6125093] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 12/05/2014] [Accepted: 12/11/2014] [Indexed: 11/16/2022] Open
Abstract
Phocine distemper virus (PDV) was first recognized in 1988 following a massive epidemic in harbor and grey seals in north-western Europe. Since then, the epidemiology of infection in North Atlantic and Arctic pinnipeds has been investigated. In the western North Atlantic endemic infection in harp and grey seals predates the European epidemic, with relatively small, localized mortality events occurring primarily in harbor seals. By contrast, PDV seems not to have become established in European harbor seals following the 1988 epidemic and a second event of similar magnitude and extent occurred in 2002. PDV is a distinct species within the Morbillivirus genus with minor sequence variation between outbreaks over time. There is now mounting evidence of PDV-like viruses in the North Pacific/Western Arctic with serological and molecular evidence of infection in pinnipeds and sea otters. However, despite the absence of associated mortality in the region, there is concern that the virus may infect the large Pacific harbor seal and northern elephant seal populations or the endangered Hawaiian monk seals. Here, we review the current state of knowledge on PDV with particular focus on developments in diagnostics, pathogenesis, immune response, vaccine development, phylogenetics and modeling over the past 20 years.
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Affiliation(s)
- Pádraig J. Duignan
- Department of Ecosystem and Public Health, University of Calgary, Calgary, AB T2N 4Z6, Canada; E-Mails: (P.D.); (K.L.)
| | - Marie-Françoise Van Bressem
- Cetacean Conservation Medicine Group (CMED), Peruvian Centre for Cetacean Research (CEPEC), Pucusana, Lima 20, Peru; E-Mail:
| | - Jason D. Baker
- Pacific Islands Fisheries Science Center, National Marine Fisheries Service, NOAA, 1845 WASP Blvd., Building 176, Honolulu, Hawaii 96818, USA; E-Mails: (J.D.B.); (M.B.)
| | - Michelle Barbieri
- Pacific Islands Fisheries Science Center, National Marine Fisheries Service, NOAA, 1845 WASP Blvd., Building 176, Honolulu, Hawaii 96818, USA; E-Mails: (J.D.B.); (M.B.)
- The Marine Mammal Centre, Sausalito, CA 94965, USA; E-Mail:
| | - Kathleen M. Colegrove
- Zoological Pathology Program, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Maywood, IL 60153, USA; E-Mail:
| | - Sylvain De Guise
- Department of Pathobiology and Veterinary Science, and Connecticut Sea Grant College Program, University of Connecticut, Storrs, CT 06269, USA; E-Mail:
| | - Rik L. de Swart
- Department of Viroscience, Erasmus MC, 3015 CN Rotterdam, The Netherlands; E-Mail:
| | - Giovanni Di Guardo
- Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy; E-Mail:
| | - Andrew Dobson
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544-2016, USA; E-Mails: (A.D.); (B.G.); (S.E.M.)
| | - W. Paul Duprex
- Department of Microbiology, Boston University School of Medicine, Boston University, 620 Albany Street, Boston, MA 02118, USA; E-Mail:
| | - Greg Early
- Greg Early, Integrated Statistics, 87 Water St, Woods Hole, MA 02543, USA; E-Mail:
| | - Deborah Fauquier
- National Marine Fisheries Service/National Oceanographic and Atmospheric Administration, Marine Mammal Health and Stranding Response Program, Silver Spring, MD 20910, USA; E-Mails: (D.F.); (T.K.R.)
| | - Tracey Goldstein
- One Health Institute, School of Veterinary Medicine, University of California, Davis, CA 95616, USA; E-Mail:
| | - Simon J. Goodman
- School of Biology, University of Leeds, Leeds LS2 9JT, UK; E-Mail:
| | - Bryan Grenfell
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544-2016, USA; E-Mails: (A.D.); (B.G.); (S.E.M.)
- Fogarty International Center, National Institutes of Health, Bethesda, MD 20892-2220, USA
| | - Kátia R. Groch
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; E-Mail:
| | - Frances Gulland
- The Marine Mammal Centre, Sausalito, CA 94965, USA; E-Mail:
- Marine Mammal Commission, 4340 East-West Highway, Bethesda, MD 20814, USA
| | - Ailsa Hall
- Sea Mammal Research Unit, Scottish Oceans Institute, University of St. Andrews, St. Andrews, Fife KY16 8LB, UK; E-Mail:
| | - Brenda A. Jensen
- Department of Natural Sciences, Hawai’i Pacific University, Kaneohe, HI 96744, USA; E-Mail:
| | - Karina Lamy
- Department of Ecosystem and Public Health, University of Calgary, Calgary, AB T2N 4Z6, Canada; E-Mails: (P.D.); (K.L.)
| | - Keith Matassa
- Keith Matassa, Pacific Marine Mammal Center, 20612 Laguna Canyon Road, Laguna Beach, CA 92651, USA; E-Mail:
| | - Sandro Mazzariol
- Department of Comparative Biomedicine and Food Science, University of Padua, 35020 Legnaro Padua, Italy; E-Mail:
| | - Sinead E. Morris
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544-2016, USA; E-Mails: (A.D.); (B.G.); (S.E.M.)
| | - Ole Nielsen
- Department of Fisheries and Oceans Canada, Central and Arctic Region, 501 University Crescent, Winnipeg, MB R3T 2N6, Canada; E-Mail:
| | - David Rotstein
- David Rotstein, Marine Mammal Pathology Services, 19117 Bloomfield Road, Olney, MD 20832, USA; E-Mail:
| | - Teresa K. Rowles
- National Marine Fisheries Service/National Oceanographic and Atmospheric Administration, Marine Mammal Health and Stranding Response Program, Silver Spring, MD 20910, USA; E-Mails: (D.F.); (T.K.R.)
| | - Jeremy T. Saliki
- Athens Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Georgia, GA 30602, USA; E-Mail:
| | - Ursula Siebert
- Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover 30173, Germany; E-Mail:
| | - Thomas Waltzek
- Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, FL 32611, USA; E-Mail:
| | - James F.X. Wellehan
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, FL 32610, USA; E-Mail:
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Beineke A, Puff C, Seehusen F, Baumgärtner W. Pathogenesis and immunopathology of systemic and nervous canine distemper. Vet Immunol Immunopathol 2008; 127:1-18. [PMID: 19019458 DOI: 10.1016/j.vetimm.2008.09.023] [Citation(s) in RCA: 192] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Revised: 09/17/2008] [Accepted: 09/18/2008] [Indexed: 10/21/2022]
Abstract
Canine distemper is a worldwide occurring infectious disease of dogs, caused by a morbillivirus, closely related to measles and rinderpest virus. The natural host range comprises predominantly carnivores. Canine distemper virus (CDV), an enveloped, negative-sense RNA virus, infects different cell types, including epithelial, mesenchymal, neuroendocrine and hematopoietic cells of various organs and tissues. CDV infection of dogs is characterized by a systemic and/or nervous clinical course and viral persistence in selected organs including the central nervous system (CNS) and lymphoid tissue. Main manifestations include respiratory and gastrointestinal signs, immunosuppression and demyelinating leukoencephalomyelitis (DL). Impaired immune function, associated with depletion of lymphoid organs, consists of a viremia-associated loss of lymphocytes, especially of CD4+ T cells, due to lymphoid cell apoptosis in the early phase. After clearance of the virus from the peripheral blood an assumed diminished antigen presentation and altered lymphocyte maturation cause an ongoing immunosuppression despite repopulation of lymphoid organs. The early phase of DL is a sequel of a direct virus-mediated damage and infiltrating CD8+ cytotoxic T cells associated with an up-regulation of pro-inflammatory cytokines such as interleukin (IL)-6, IL-8, tumor necrosis factor (TNF)-alpha and IL-12 and a lacking response of immunomodulatory cytokines such as IL-10 and transforming growth factor (TGF)-beta. A CD4+-mediated delayed type hypersensitivity and cytotoxic CD8+ T cells contribute to myelin loss in the chronic phase. Additionally, up-regulation of interferon-gamma and IL-1 may occur in advanced lesions. Moreover, an altered balance between matrix metalloproteinases and their inhibitors seems to play a pivotal role for the pathogenesis of DL. Summarized, DL represents a biphasic disease process consisting of an initial direct virus-mediated process and immune-mediated plaque progression. Immunosuppression is due to early virus-mediated lymphocytolysis followed by still poorly understood mechanisms affecting antigen presentation and lymphocyte maturation.
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Affiliation(s)
- A Beineke
- Department of Pathology, University of Veterinary Medicine, Hannover, Germany
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