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Molecular characterisation of a novel pathogenic avipoxvirus from an Australian passerine bird, mudlark (Grallina cyanoleuca).
Sarker, Subir; Athukorala, Ajani; Raidal, Shane R.
Afiliación
  • Sarker S; Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Bundoora, VIC, 3086, Australia. Electronic address: s.sarker@latrobe.edu.au.
  • Athukorala A; Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Bundoora, VIC, 3086, Australia.
  • Raidal SR; School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia.
Virology ; 554: 66-74, 2021 02.
Article en En | MEDLINE | ID: mdl-33385935
Avipoxviruses have been recognised as significant pathogens in the conservation of numerous bird species. However, the vast majority of the avipoxviruses that infect wild birds remain uncharacterised. Here, we characterise a novel avipoxvirus, mudlarkpox virus (MLPV) isolated from an Australian passerine bird, mudlark (Grallina cyanoleuca). In this study, tissues with histopathologically confirmed lesions consistent with avian pox were used for transmission electron microscopy, and showed characteristic ovoid to brick-shaped virions, indicative of infectious particles. The MLPV genome was >342.7 Kbp in length and contained six predicted novel genes and a further six genes were missing compared to shearwaterpox virus-2 (SWPV-2). Subsequent phylogenetic analyses of the MLPV genome positioned the virus within a distinct subclade also containing recently characterised avipoxvirus genomes from shearwater, canary and magpie bird species, and demonstrated a high degree of sequence similarity with SWPV-2 (94.92%).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de las Aves / Avipoxvirus / Infecciones por Poxviridae / Passeriformes Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Virology Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de las Aves / Avipoxvirus / Infecciones por Poxviridae / Passeriformes Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Virology Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos