A phylogenetic study of canine parvovirus type 2c in midwestern Brazil / Estudo filogenético do parvovírus canino tipo 2c no Centro-Oeste do Brasil
Pesqui. vet. bras
;
33(2): 214-218, fev. 2013. ilus
Article
in English
| LILACS
| ID: lil-670957
ABSTRACT
Since the late 1970s, canine parvovirus type 2 (CPV-2) has emerged as a causative agent of fatal severe acute hemorrhagic enteritis in dogs. To date, three antigenic types of CPV-2 were described worldwide (CPV-2a/b/c). This study was conducted to determine the variants of CPV-2 circulating in dogs from the Cuiabá Municipality in Midwestern Brazil. Out of 50 fecal samples, collected between 2009 and 2011, 27 tested positive for CPV-2. A 583 bp fragment of the VP2 gene was amplified by PCR, 13 representative samples were analyzed further by DNA sequencing. All strains were characterized as CPV-2c, displayed a low genetic variability although observed several amino acid substitution. These findings indicated that CPV-2c has been circulating in dogs from the Cuiabá Municipality in Midwestern Brazil.
RESUMO
Desde o final dos anos de 1970, o parvovírus canino tipo 2 (CPV-2) tem emergido como agente de severa e fatal enterite hemorrágica, principalmente em cães com idade inferior a seis meses. Três variantes antigênicas de CPV-2 foram descritas mundialmente (CPV-2a/b/c). O objetivo do estudo foi determinar a presença do CPV-2 e suas variantes circulantes em cães no Município de Cuiabá, Centro-oeste, Brasil. Das 50 amostras fecais, coletadas entre 2009 e 2011, 27 foram positivas para CPV-2 na PCR, sendo 13 analisadas pelo sequenciamento de um fragmento de 583 pares de base do gene VP2. Todas as cepas foram caracterizadas como CPV-2c e apresentaram baixa variabilidade genética. Estes achados indicaram que o CPV-2c está circulando na população canina do Município de Cuiabá, Região Centro-Oeste do Brasil.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Polymerase Chain Reaction
/
Parvovirus, Canine
/
Enteritis
Limits:
Animals
Country/Region as subject:
South America
/
Brazil
Language:
English
Journal:
Pesqui. vet. bras
Journal subject:
Veterinary Medicine
Year:
2013
Type:
Article
Affiliation country:
Brazil
/
Italy
Institution/Affiliation country:
Universidade Federal de Mato Grosso/BR
/
Universidade de Torino/IT
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