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Molecular analysis of the N gene of canine distemper virus in dogs in Brazil
Castilho, J. G; Brandão, P. E; Carnieli Júnior, P; Oliveira, R. N; Macedo, C. I; Peixoto, Z. M. P; Carrieri, M. L; Kotait, I.
  • Castilho, J. G; Instituto Pasteur. São Paulo. BR
  • Brandão, P. E; Instituto Pasteur. São Paulo. BR
  • Carnieli Júnior, P; Instituto Pasteur. São Paulo. BR
  • Oliveira, R. N; Instituto Pasteur. São Paulo. BR
  • Macedo, C. I; Instituto Pasteur. São Paulo. BR
  • Peixoto, Z. M. P; Instituto Pasteur. São Paulo. BR
  • Carrieri, M. L; Instituto Pasteur. São Paulo. BR
  • Kotait, I; Instituto Pasteur. São Paulo. BR
Arq. bras. med. vet. zootec ; 59(3): 654-659, jun. 2007. ilus, tab
Article in English | LILACS | ID: lil-461142
ABSTRACT
Eleven central-nervous-system samples collected from stray dogs between 2000 and 2004 were found positive by RT-PCR, which amplified a 480bp fragment of the N gene of canine distemper virus (CDV). Phylogenetic analysis based on partial N-gene sequences showed four major clusters. All dog strains segregated into cluster I, with a mean nucleotide identity of 95.8 percent and 95.6 percent with the Onderstepoort and Lederle vaccine strains, respectively. Cluster II contained all the raccoon-related strains, cluster III Orient strains and Cluster IV the Onderstepoort and Lederle vaccine strains, with a mean nucleotide identity of 99.7 percent between them. This is the first report of phylogenetic analysis of CDV strains in Brazil.
RESUMO
Onze amostras de sistema nervoso central de cães coletados entre 2000 e 2004 foram positivas pela RT-PCR, a qual amplificou um fragmento de 480pb do gene N do vírus da cinomose canina (VCC). A análise filogenética baseada na seqüência parcial do gene N mostrou quatro principais agrupamentos genéticos. Todas as amostras de cães segregaram no agrupamento I, com identidade média de nucleotídeos de 95,8 por cento e 95,6 por cento com as amostras vacinais Onderstepoort e Lederle, respectivamente. O agrupamento II agregou todas as amostras relacionadas aos guaxinins. O agrupamento III agregou amostras orientais e o agrupamento IV agregou as amostras vacinais Onderstepoort e Lederle, com identidade média de nucleotídeos de 99,7 por cento entre elas. Este é o primeiro relato de análise filogenética de amostras de VCC no Brasil.
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Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Reverse Transcriptase Polymerase Chain Reaction / Distemper Virus, Canine Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Instituto Pasteur/BR

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Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Reverse Transcriptase Polymerase Chain Reaction / Distemper Virus, Canine Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Instituto Pasteur/BR