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A novel avian virus with trisegmented double-stranded RNA and further observations on previously described similar viruses with bisegmented genome.
Leite, J P; Monteiro, S P; Fialho, A M; Pereira, H G.
Afiliação
  • Leite JP; Department of Virology, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
Virus Res ; 16(2): 119-26, 1990 Jun.
Article em En | MEDLINE | ID: mdl-2385956
The occurrence in chickens of small viruses with bisegmented double-stranded RNA (dsRNA) genome is confirmed and a new virus with similar properties but with three genome segments is described. Both differ from birnaviruses (Intervirology 25, 141-143, 1986) in having indistinct surface structure, smaller diameters (35 nm), and higher buoyant density (1.4 g/ml) in CsCl but are similar in these respects to viruses previously described in several mammals (Lancet 2, 103-104, 1988; J. Gen. Virol. 69, 2749-2754, 1988; Res. Vet. Sci, in press) under the tentative name of picobirnaviruses (PBV). Genome segment length estimations gave values of 2.6 and 1.9 kbp for the avian PBV and 2.9, 2.4 and 0.9 kbp for the trisegmented viruses. The source and pathogenic potential of these viruses remain to be established.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Retroviridae / RNA de Cadeia Dupla / Galinhas Limite: Animals Idioma: En Revista: Virus Res Assunto da revista: VIROLOGIA Ano de publicação: 1990 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Retroviridae / RNA de Cadeia Dupla / Galinhas Limite: Animals Idioma: En Revista: Virus Res Assunto da revista: VIROLOGIA Ano de publicação: 1990 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda