Complete genome and phylogenetic analysis of bovine papillomavirus type 15 in Southern Xinjiang dairy cow
AuthorHu, J; Zhang, W; Chauhan, SS; Shi, C; Song, Y; Zhao, Y; Wang, Z; Cheng, L; Zhang, Y
Source TitleJournal of Veterinary Science
PublisherKOREAN SOC VETERINARY SCIENCE
AffiliationAgriculture and Food Systems
Document TypeJournal Article
CitationsHu, J., Zhang, W., Chauhan, S. S., Shi, C., Song, Y., Zhao, Y., Wang, Z., Cheng, L. & Zhang, Y. (2020). Complete genome and phylogenetic analysis of bovine papillomavirus type 15 in Southern Xinjiang dairy cow. JOURNAL OF VETERINARY SCIENCE, 21 (6), https://doi.org/10.4142/jvs.2020.21.e73.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC7710463
BACKGROUND: Bovine papilloma is a neoplastic disease caused by bovine papillomaviruses (BPVs), which were recently divided into 5 genera and at least 24 genotypes. OBJECTIVES: The complete genome sequence of BPV type 15 (BPV Aks-02), a novel putative BPV type from skin samples from infected cows in Southern Xinjiang China, was determined by collecting warty lesions, followed by DNA extraction and amplicon sequencing. METHODS: DNA was analyzed initially by polymerase chain reaction (PCR) using the degenerate primers FAP59 and FAP64. The complete genome sequences of the BPV Aks-02 were amplified by PCR using the amplification primers and sequencing primers. Sequence analysis and phylogenetic analysis were performed using bio-informatic software. RESULTS: The nucleotide sequence of the L1 open reading frame (ORF) of BPV Aks-02 was 75% identity to the L1 ORF of BPV-9 reference strain from GenBank. The complete genome consisted of 7,189 base pairs (G + C content of 42.50%) that encoded 5 early (E8, E7, E1, E2, and E4) and 2 late (L1 and L2) genes. The E7 protein contained a consensus CX₂CX29CX₂C zinc-binding domain and a LxCxE motif. Among the different members of this group, the percentages of the complete genome and ORFs (including 5 early and 2 late ORFs) sequence identity of BPV Aks-02 were closer to the genus Xipapillomavirus 1 of the Xipapillomavirus genus. Phylogenetic analysis and sequence similarities based on the L1 ORF of BPV Aks-02 revealed the same cluster. CONCLUSIONS: The results suggest that BPV type (BPV Aks-02) clustered with members of the Xipapillomavirus genus as BPV 15 and were closely related to Xipapillomavirus 1.
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