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The isolation and identification of novel duck reovirus / 病毒学报
Chinese Journal of Virology ; (6): 224-230, 2012.
Article Dans Chinois | 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.
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Anatomopathologie / Phylogenèse / Protéines virales / Virologie / Maladies des oiseaux / Données de séquences moléculaires / Chine / Classification / Infections à Reoviridae / Orthoréovirus aviaire Type d'étude: Etude diagnostique Limites du sujet: Animaux Pays comme sujet: Asie langue: Chinois Texte intégral: Chinese Journal of Virology Année: 2012 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Anatomopathologie / Phylogenèse / Protéines virales / Virologie / Maladies des oiseaux / Données de séquences moléculaires / Chine / Classification / Infections à Reoviridae / Orthoréovirus aviaire Type d'étude: Etude diagnostique Limites du sujet: Animaux Pays comme sujet: Asie langue: Chinois Texte intégral: Chinese Journal of Virology Année: 2012 Type: Article