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- Título:
- Isolation and molecular characterization of Brazilian turkey reovirus from immunosuppressed young poults
- Universidade Estadual Paulista (UNESP)
- Universidade de São Paulo (USP)
- 0304-8608
- In this study, we investigated turkey reovirus (TReoV) in tissue samples from young birds, aged 15 days. RT-PCR for TReoV detected 3.3 % positive samples and TReoV was successfully isolated in Vero cells. Histological analysis of positive bursa of Fabricius (BF) revealed atrophied follicles and lymphocyte depletion. The number of CD8+, CD4+ and IgM+ cells was lower in infected BF. Phylogenetic analysis based on S3 gene showed that the Brazilian TReoV isolates clustered in a single group with 98-100 % similarity to TReoV strains circulating in the United States. This is the first indication that TReoV infection may be a contributing factor to immunosuppression in young birds.
- 2013
- Archives of Virology, v. 159, p. 1453-1457, 2013.
- 1453-1457
- Virology
- Medical microbiology
- Infectious diseases
- http://dx.doi.org/10.1007/s00705-013-1947-5
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/133058
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