ArticleVeterinary sciences2025
Molecular Epidemiological Investigation and Viral Isolation of Porcine Rotavirus in Southwest China During 2024-2025.
Article in Veterinary sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A G4P[13] Porcine Rotavirus a Strain with Genomic Features Suggestive of Reassortment: Isolation, Genomic Characterization, and Pathogenicity in Piglets.Veterinary sciences · 2026Article
- Molecular Epidemiological Survey of Porcine Rotavirus in the Guangxi Region from 2020 to 2025 and Isolation and Identification of the G9P[23] Strain CH-GXGL-PoRV-3151-2021.Veterinary sciences · 2026Article
- Generation of G9 genotype porcine rotavirus using reverse genetics system and its application for antiviral screen and vaccine development.Virologica Sinica · 2026Article
- Article
- Swine Group A rotavirus vaccines: current status, adjuvant strategies, challenges, and future perspectives.Frontiers in veterinary science · 2026Review
- Establishment of a droplet digital PCR detection method for Vp4 gene of PoRV.Frontiers in veterinary science · 2026Article
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17 authors.
Funding
Abstract
In 2023, the detection rate of porcine rotavirus (PoRV) surpassed that of porcine epidemic diarrhea virus (PEDV) for the first time, establishing PoRV as the predominant pathogen responsible for viral diarrhea in pigs. To systematically investigate the epidemiology and molecular characteristics of PoRV in Southwest China, a total of 196 diarrheal clinical samples were collected from 29 large-scale pig farms across the region during 2024-2025. RT-qPCR results revealed a high PoRV positivity rate of 57.14% (112/196) with group A porcine rotavirus (PoRVA) being the most prevalent at 46.43%, representing the predominant group. Genotyping and phylogenetic analysis of the VP4 and VP7 genes indicated that the P genotype P[13] was most prevalent (77.78%, 21/27), while the major G genotypes were G4 (39.28%) and G9 (35.71%). The most common G/P combinations were G9P[13] and G4P[13]. Furthermore, a PoRV strain was successfully isolated and identified through whole-genome sequencing, indirect immunofluorescence assay (IFA), and transmission electron microscopy (TEM). The isolate was designated RVA/Pig-wt/SCLS-JW/2024/G1P[7], with a whole-genome constellation of G1-P[7]-I5-R1-C1-M1-A8-N1-T1-E1-H1. The structural proteins VP1-4 and VP6-7, along with nonstructural genes NSP1 and NSP5, shared high sequence identity with porcine strains, whereas the nonstructural genes NSP2-NSP4 clustered more closely with human rotaviruses. These findings indicate a higher prevalence of PoRV in southwestern China compared to other regions; the dominant circulating genotypes have shifted to G9 and G4; the isolated G1P[7] strain is relatively rare in China and might be a genetic recombinant of human and porcine rotaviruses. This study provides valuable data and theoretical support for understanding the current epidemiology of PoRV, and facilitates vaccine development and the formulation of prevention and control strategies.
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