AI Article Synopsis
- * The NADC30 strain's presence has been increasing, and the researchers successfully isolated three new PRRSV strains, determining their complete genetic sequences.
- * Findings highlight the significance of recombinant strains, which combine elements from classical, HP-PRRSV, and/or NADC30 strains, affecting the severity of diseases in pigs.
Article Abstract
Epidemiological investigations were conducted on recently emerging porcine reproductive and respiratory syndrome virus (PRRSV) strains in Shandong province in 2014-2015. The proportion of the NADC30 strain identified by ORF7 sequence alignment has been gradually increasing. Three emerging PRRSV strains were successfully isolated, and the complete genomic sequences were determined. Our results indicate the importance of recombinant strains in Shandong province, China. There was a varied degree of recombination of two or three strains (classical, HP-PRRSV and/or NADC30). Moreover, the recombination strains affected the pathogenicity of newly emerged strains.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5841431 | PMC |
| http://dx.doi.org/10.1038/s41598-018-22494-4 | DOI Listing |
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