Notable mutations of porcine parvovirus 1 and 4 circulating in commercial pig farms in South Korea
2024
Park, B.S. | Hong, J.H. | Jun, J.S. | Choi, A.K. | Park, C.K. | Lyoo, Y.S.
In this study, almost complete genomic sequences of porcine parvovirus (PPV)1 and PPV4 circulating in commercial pig farms in South Korea were obtained and analyzed. Important mutations that may be precursors to host changes, such as premature stop codons of PPV1 and frameshift mutations of PPV4, were observed in these sequences. A 27a-like strain of PPV1, known to show a lack of cross- neutralization against existing commercial vaccine strains, was identified by phylogenetic analysis. Given the active genetic evolution, the additional precursors to host changes and emerging new genotypes of PPVs need to be monitored through continuous sampling and genetic analysis.
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