Genetic analysis of the VP2-encoding gene of canine parvovirus strains from Africa

Dogonyaro, Banenat B., Bosman, Anna-Mari, Sibeko, Kgomotso P., Venter, Estelle H., and van Vuuren, Moritz (2013) Genetic analysis of the VP2-encoding gene of canine parvovirus strains from Africa. Veterinary Microbiology, 165 (3-4). pp. 460-465.

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Abstract

Since the emergence of canine parvovirus type-2 (CPV-2) in the early 1970s, it has been evolving into novel genetic and antigenic variants (CPV-2a, 2b and 2c) that are unevenly distributed throughout the world. Genetic characterization of CPV-2 has not been documented in Africa since 1998 apart from the study carried out in Tunisia 2009. A total of 139 field samples were collected from South Africa and Nigeria, detected using PCR and the full length VP2-encoding gene of 27 positive samples were sequenced and genetically analyzed. Nigerian samples (n = 6), South Africa (n = 19) and vaccine strains (n = 2) were compared with existing sequences obtained from GenBank. The results showed the presence of both CPV-2a and 2b in South Africa and only CPV-2a in Nigeria. No CPV-2c strain was detected during this study. Phylogenetic analysis showed a clustering not strictly associated with the geographical origin of the analyzed strains, although most of the South African strains tended to cluster together and the viral strains analyzed in this study were not completely distinct from CPV-2 strains from other parts of the world. Amino acid analysis showed predicted amino acid changes. (C) 2013 Elsevier B.V. All rights reserved.

Item ID: 47827
Item Type: Article (Research - C1)
ISSN: 1873-2542
Keywords: canine parvoviruses, VP2-encoding gene, genetic analyses, predicted amino acid changes, Africa
Funders: Pfizer Animal Health, Fort Dodge, Merial, Intervet/Schering-Plough, Virbac
Date Deposited: 15 Mar 2017 07:38
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070712 Veterinary Virology @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%
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