ArticleArchives of virology2024
Genetic characterization and phylogenetic analysis of the S genes of porcine epidemic diarrhea virus isolates from China from 2020 to 2023.
Article in Archives of virology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Spatiotemporal distribution and molecular characteristics of porcine diarrhea-associated viruses detected in Chinese pigs.Virulence · 2026Article
- Overcoming Antigenic Drift in PEDV: Broadly Protective Antigen Design and sIgA-Driven Lactogenic Immunity.Veterinary sciences · 2026Review
- Development of a vaccine based on mRNA assembly of PEDV virus-like particle.Journal of virology · 2026Article
- A novel TaqMan-based RT-qPCR assay for the detection of PEDV and discrimination of the G2c subtype.Archives of virology · 2026Article
- Development and Validation of a Multiplex TaqMan Real-Time PCR Assay for Simultaneous Detection of PEDV Genotypes G1, S-INDEL, and G2.Microorganisms · 2026Article
- Isolation and assessment of characterization of porcine epidemic diarrhea virus GD1 strain from China.Frontiers in veterinary science · 2026Article
- Emergence of a Highly Virulent Porcine Epidemic Diarrhea Virus (PEDV) G2c Subtype in China: Isolation, Genetic and Pathogenic Characterization, and Cross-Neutralizing Antibody Response.Transboundary and emerging diseases · 2026Article
- A needle-free intradermal PEDV S protein vaccine elicits protective lactogenic immunity in piglets.Frontiers in cellular and infection microbiology · 2026Article
- Development of a Safe and Effective mRNA Candidate Vaccine Against PEDV G2c Genotype Infection.Viruses · 2025Article
- Clade-Specific Recombination and Mutations Define the Emergence of Porcine Epidemic Diarrhea Virus S-INDEL Lineages.Animals : an open access journal from MDPI · 2025Article
- Evolutionary dynamics and antigenic diversity of porcine epidemic diarrhea virus (PEDV) in China: phylogenetic and recombination analyses based on large-scale S gene sequences.BMC veterinary research · 2025Article
- Evaluating passive immunity in piglets from sows vaccinated with a PEDV S protein subunit vaccine.Frontiers in cellular and infection microbiology · 2024Article
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Authors and funding
14 authors.
Funding
Abstract
Porcine epidemic diarrhea virus (PEDV) is an enteric coronavirus that has been the main cause of diarrhea in piglets since 2010 in China. The aim of this study was to investigate sequence variation and recombination events in the spike (S) gene of PEDV isolates from China. Thirty complete S gene sequences were obtained from PEDV-positive samples collected in six provinces in China from 2020 to 2023. Phylogenetic analysis showed that 10% (3/30) belonged to subtype GII-a, 6.67% (2/30) were categorized as subtype GII-b, 66.67% (20/30) were categorized as subtype GII-c, and 16.66% (5/30) were clustered with the S-INDEL strains. Amino acid sequence alignments showed that, when compared to strains of other subtypes, the GII-c strains had two characteristic amino acid substitutions (N139D and I289M). Five S-INDEL subtype strains had a single amino acid deletion (139N) and four amino acid substitutions (N118G, T137S, A138S, and D141G). Recombination analysis allowed six putative recombination events to be identified, one involving recombination between GII-c strains, two involving GII-c and GII-b strains, two involving GII-c and GI-a strains, and one involving GII-a and GI-b strains. These results suggest that recombination between PEDV strains has been common and complex in recent years and is one of the main reasons for the continuous variation of PEDV strains.
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