Why the study?
The first bovine parechovirus was reported in 2021 and only two nearly complete genomes were available.
The study identifies genetic diversity and a recombination event in bovine parechovirus from Japanese cattle, suggesting antigenic similarity despite nucleotide diversity.
Bo_ParV isolates from cattle feces extend limited genomic data; leaves open prevalence, diversity, and clinical relevance.
The first bovine parechovirus (Bo_ParV) was reported in 2021 and only two nearly complete genomes of Bo_ParV were available. In this study, we detected Bo_ParVs in 10 out of 158 bovine fecal samples using real-time RT-PCR and Bo_ParVs were isolated from three of these samples using MA104 cells. Analysis of the P1 region revealed that Bo_ParVs shared high pairwise amino acid sequence identities (≥95.7%), suggesting antigenic similarity among Bo_ParVs, whereas nucleotide sequence identities were diverse (≥84.8%). A recombination break point was identified in the 2B region, which may influence the evolution of this virus.
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Oba et al. (2022) studied this question.
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