ArticleArchives of virology2020
Characteristics of the spike and ORF3 genes of porcine epidemic diarrhea virus in Henan and Shanxi provinces of China.
Article in Archives of virology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Molecular detection and evolutionary analysis of porcine epidemic diarrhea virus in Henan and Shaanxi provinces in China.Archives of virology · 2024Article
- Phylogenetic Analysis of Porcine Epidemic Diarrhea Virus (PEDV) during 2020-2022 and Isolation of a Variant Recombinant PEDV Strain.International journal of molecular sciences · 2024Article
- Prevalence and genetic evolution analysis of porcine epidemic diarrhea virus and porcine circovirus type 2 in Sichuan Province, China, from 2023 to 2024.Frontiers in veterinary science · 2024Article
- Natural Evolution of Porcine Epidemic Diarrhea Viruses Isolated from Maternally Immunized Piglets.Animals : an open access journal from MDPI · 2023Article
- Review
- Epidemic and Evolutionary Characteristics of Swine Enteric Viruses in South-Central China from 2018 to 2021.Viruses · 2022Article
- One-Step Assembly of a Porcine Epidemic Diarrhea Virus Infectious cDNA Clone by Homologous Recombination in Yeast: Rapid Manipulation of Viral Genome With CRISPR/Cas9 Gene-Editing Technology.Frontiers in microbiology · 2022Article
- Genetic characterization and phylogenetic analysis of porcine epidemic diarrhea virus in Guangdong, China, between 2018 and 2019.PloS one · 2021Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
To investigate the epidemic characteristics of porcine epidemic diarrhea virus (PEDV), 135 clinical samples (including intestinal tissues and feces) were collected from diseased piglets during outbreaks of diarrhea from 2015 to 2019 on farms in Henan and Shanxi provinces of China where swine had been immunized with attenuated PEDV (CV777). A total of 86 clinical samples (86/135, 63.7%) were positive for PEDV by RT-PCR, and subsequently, the complete spike (S) and ORF3 genes of 32 PEDV samples were sequenced. Phylogenetic analysis showed that the 32 PEDV strains obtained in this study belonged to group 2 (pandemic variant strains) and had a close relationship to 17 Chinese strains after 2010, two South Korean strains (KNU-1305 and KNU-1807), three American strains (PC22A-P140.BI, USA/Colorado/2013, and USA/OK10240-6/2017) and a Mexican strain (PEDV/MEX/QRO/02/2017), but differed genetically from a South Korean strain (SM98), a European strain (Br1/87), a Chinese strain (LZC), and a vaccine strain (CV777). G2-a subgroup strains were the dominant pandemic variant strains circulating in Henan and Shanxi provinces of China. Furthermore, a cross-recombination event was identified in the S region of the SX/TY2/2017 strain, and the putative parental strains were the epidemic strains CH/GDGZ/2012 and CH/YZ1/2015, identified in China in 2012 and 2015, respectively. These results provide further information about PEDV evolution, which could improve our understanding of the circulation of PEDV in Henan and Shanxi provinces. This information will also be helpful for developing new strategies for prevention and control of variant strains.
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