ArticleArchives of virology2022
Molecular genotypic analysis of porcine circovirus type 2 reveals the predominance of PCV2d in Vietnam (2018-2020) and the association between PCV2h, the recombinant forms, and Vietnamese vaccines.
Article in Archives of virology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- The Prevalence and Genetic Diversity of Porcine Circoviruses (PCVs) in Eastern China During 2010-2016 and 2023-2024.Veterinary sciences · 2026Article
- The Decade of Porcine Circovirus Type 2 (PCV2) in Thailand: Phylodynamic and Molecular Epidemiology.Transboundary and emerging diseases · 2025Article
- Molecular evolution and genotype shift of Porcine circoviruses type 2 in Vietnam.Veterinary research communications · 2024Article
- Co-circulation and genetic characteristics of porcine circoviruses in postweaning multisystemic wasting syndrome cases in commercial swine farms.Virusdisease · 2023Article
- Emergence of novel porcine circovirus 2d strains in Thailand, 2019-2020.Frontiers in veterinary science · 2023Article
- Flavonoids as Potential Antiviral Agents for Porcine Viruses.Pharmaceutics · 2022Review
- The ultrasonically treated nanoliposomes containing PCV2 DNA vaccine expressing gC1qR binding site mutant Cap is efficient in mice.Frontiers in microbiology · 2022Article
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Authors and funding
9 authors.
Funding
Abstract
We conducted nucleotide and amino acid sequence alignment and phylogenetic analysis of porcine circovirus ORF2 (Cap protein) from 17 PCV2-positive clinical samples from nine different northern Vietnamese provinces (Mar 2018-Nov 2020), four local vaccines, and 77 reference strains. We identified one PCV2a (1/17 = 5.9%), five PCV2b (5/17 = 29.9%), and 11 PCV2d (11/17 = 64.7%) isolates, while only PCV2d was detected in 2020. Timeline analysis indicated an increasing predominance of PCV2d nationwide (2018-2020). With strong nodal support (98% for nucleotides and 74% for amino acids), the phylogenetic tree topology revealed a distinct PCV2h clade including recombinant/intermediate strains and local vaccines. The Cap protein sequences from 11 PCV2d field strains had the 2d-genotype-typical motif
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