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The isolation and identification of novel duck reovirus / 病毒学报
Chinese Journal of Virology ; (6): 224-230, 2012.
Artigo em Chinês | WPRIM | ID: wpr-354743
ABSTRACT
The virus strains were isolated from the liver and spleen of the dead young ducks characterized with symptoms of hemorrhagic-necrotic hepatitis. These isolates could cause the death of muscovy duck-embryo and chick-embryo. 1-day-old birds infected with these isolates had the same character with clinically dead birds and the virus could be isolated from artificially infected birds. These isolates could proliferate in MDEF and result in CPE. The virus could proliferate in the cytoplasm in order of crystals and arranged in the latlic-like. The viron was shown spherical, icosahedron, cubic symmetry, no-envelope, with double-layered capsid, about 70 nm in diameter by electron microscopy. The genome segments of the virus were consisted of L1-3, M1-3 and S1-4, which were similar to that of avian reovirus (ARV). Compared to 68.2%, 69.3% - 70.1%, respectively. The system evolution analysis showed that S3 gene coding sigmaB protein was placed in different branch of MDRV and ARV, indicating that S3 gene of the virus was different from ARV and MDRV. The main clinical symptoms and lesions of ducklings caused by the virus were different from the diseases caused by MDRV and ARV. It was concluded that the virus was a Novel duck reovirus belonging to Orthoreovirus genus of the Reoviridae family.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Filogenia / Proteínas Virais / Virologia / Doenças das Aves / Dados de Sequência Molecular / China / Classificação / Infecções por Reoviridae / Orthoreovirus Aviário Tipo de estudo: Estudo diagnóstico Limite: Animais País/Região como assunto: Ásia Idioma: Chinês Revista: Chinese Journal of Virology Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Filogenia / Proteínas Virais / Virologia / Doenças das Aves / Dados de Sequência Molecular / China / Classificação / Infecções por Reoviridae / Orthoreovirus Aviário Tipo de estudo: Estudo diagnóstico Limite: Animais País/Região como assunto: Ásia Idioma: Chinês Revista: Chinese Journal of Virology Ano de publicação: 2012 Tipo de documento: Artigo