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Communication

Phylogenetic, Evolutionary and Structural Analysis of Canine Parvovirus (CPV-2) Antigenic Variants Circulating in Colombia

by
Sebastián Giraldo-Ramirez
,
Santiago Rendon-Marin
and
Julián Ruiz-Saenz
*
Grupo de Investigación en Ciencias Animales—GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Sede Bucaramanga 680005, Colombia
*
Author to whom correspondence should be addressed.
Viruses 2020, 12(5), 500; https://doi.org/10.3390/v12050500
Submission received: 10 April 2020 / Revised: 23 April 2020 / Accepted: 24 April 2020 / Published: 30 April 2020
(This article belongs to the Special Issue Advances in Parvovirus Research 2020)

Abstract

Canine parvovirus (CPV-2) is the causative agent of haemorrhagic gastroenteritis in canids. Three antigenic variants—CPV-2a, CPV-2b and CPV-2c—have been described, which are determined by variations at residue 426 of the VP2 capsid protein. In Colombia, the CPV-2a and CPV-2b antigenic variants have previously been reported through partial VP2 sequencing. Mutations at residues Asn428Asp and Ala514Ser of variant CPV-2a were detected, implying the appearance of a possible new CPV-2a variant in Colombia. The purpose of the present study was to characterise the full VP2 capsid protein in samples from Antioquia, Colombia. We conducted a cross-sectional study with 56 stool samples from dogs showing clinical symptoms of parvoviral disease. Following DNA extraction from the samples, VP2 amplification was performed using PCR and positive samples were sequenced. Sequence and phylogenetic analyses were performed by comparison with the VP2 gene sequences of the different CPV-2 worldwide. VP2 was amplified in 51.8% of the analysed samples. Sequencing and sequence alignment showed that 93.1% of the amplified samples belonged to the new CPV-2a antigenic variant previously. Analysing the amino acid sequences revealed that all CPV-2a contain Ala297Asn mutations, which are related to the South America I clade, and the Ala514Ser mutation, which allows characterization as a new CPV-2a sub-variant. The Colombian CPV-2b variant presented Phe267Tyr, Tyr324Ile and Thr440Ala, which are related to the Asia-I clade variants. The CPV-2c was not detected in the samples. In conclusion, two antigenic CPV-2 variants of two geographically distant origins are circulating in Colombia. It is crucial to continue characterising CPV-2 to elucidate the molecular dynamics of the virus and to detect new CPV-2 variants that could be becoming highly prevalent in the region.
Keywords: antigenicity; sequencing; virus antigenicity; sequencing; virus

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MDPI and ACS Style

Giraldo-Ramirez, S.; Rendon-Marin, S.; Ruiz-Saenz, J. Phylogenetic, Evolutionary and Structural Analysis of Canine Parvovirus (CPV-2) Antigenic Variants Circulating in Colombia. Viruses 2020, 12, 500. https://doi.org/10.3390/v12050500

AMA Style

Giraldo-Ramirez S, Rendon-Marin S, Ruiz-Saenz J. Phylogenetic, Evolutionary and Structural Analysis of Canine Parvovirus (CPV-2) Antigenic Variants Circulating in Colombia. Viruses. 2020; 12(5):500. https://doi.org/10.3390/v12050500

Chicago/Turabian Style

Giraldo-Ramirez, Sebastián, Santiago Rendon-Marin, and Julián Ruiz-Saenz. 2020. "Phylogenetic, Evolutionary and Structural Analysis of Canine Parvovirus (CPV-2) Antigenic Variants Circulating in Colombia" Viruses 12, no. 5: 500. https://doi.org/10.3390/v12050500

APA Style

Giraldo-Ramirez, S., Rendon-Marin, S., & Ruiz-Saenz, J. (2020). Phylogenetic, Evolutionary and Structural Analysis of Canine Parvovirus (CPV-2) Antigenic Variants Circulating in Colombia. Viruses, 12(5), 500. https://doi.org/10.3390/v12050500

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