ArticleTransboundary and emerging diseases2023
Whole-Genome, Recombinant, and Phylogenetic Analysis of Porcine Epidemic Diarrhea Virus Strain CH/JSXZ/2015.
Article in Transboundary and emerging diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Genetic Diversity, Recombination, and Pathogenicity of Porcine Epidemic Diarrhea Virus Strains Circulating in China During 2023-2024.Transboundary and emerging diseases · 2026Article
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9 authors.
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Abstract
Background: Porcine epidemic diarrhea virus (PEDV) is an important pathogen causing highly contact infectious intestinal infections in pigs belonging to the family Methods: We amplify the complete PEDV CH/JSXZ/2015 genome sequence from naturally infected piglets in Xuzhou, Jiangsu Province, China, by RT-PCR. The comparative genome circle graph, characterization and phylogenetic analysis, and recombination in the PEDV CH/JSXZ/2015 and other PEDVs are analyzed by bioinformatics analysis software. Results: At the whole-genome level, CH/JSXZ/2015 showed the highest nucleotide identity (99.5%) with CH/GDZHDM/1401 strain (KR153326.1 and KX016034.1) and the lowest similarity (93.5%) to 85-7-mutant1 strain. CH/JSXZ/2015 S amino acid identity was 90.8%-99.8% compared with other strains. CH/JSXZ/2015 ORF3 amino acid identity was 91.2%-100.0% compared with other PEDV strains. Phylogenetic analysis based on the whole genome, S, and ORF3 revealed that CH/JSXZ /2015 is most genetically close to the CH/GDZHDM/1401 strain (KR153326.1 and KX016034.1) isolated in China in 2014. In addition, we revealed that the CH/GDZHDM/1401 (KX016034.1) strain, PEDV 1842/2016 ITA, and CH/JSXZ /2015 had recombination, and the position of recombination was 1-5530 and 28185-28544 bp. 5531-28184 bp of JSXZ are highly homologous to CH/GDZHDM/1401 (KX016034.1), while 1-5530 and 28185-28544 bp of JSXZ are highly homologous to 1842/2016 ITA. These results helped discover PEDV variation rules and provided a basis for preventing and controlling PEDV. Conclusions: Our study revealed that PEDV CH/JSXZ/2015 was a variant strain, the current epidemic strain in China. The CH/GDZHDM/1401 (KX016034.1) strain, PEDV 1842/2016 ITA (KY111278) and CH/JSXZ /2015 had recombination.
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