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Asian black bear (Ursus thibetanus) picornavirus related to seal aquamavirus A

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Abstract

The complete genome of a bear picornavirus 1 (BePV-1) in the viscera of an Asian black bear (Ursus thibetanus) from China was characterized using viral metagenomics and RT-PCR/Sanger sequencing. The genome of BePV1 is 6703 nt long, contains a type-IV IRES 5’UTR with the ‘8-like’ motif, encodes a 2053-aa-long polyprotein showing a 3-4-4 organization pattern and two 2A genes. BePV-1 showed the highest overall genome nucleotide sequence identity of 71.7% to a picornavirus genome from an Arctic ringed seal (Phoca hispida) from Canada, classified as a member of the species Aquamavirus A, currently the only one in the genus Aquamavirus. Phylogenetic and genetic distance analyses of P1 and 3D indicated that Asian bear picornavirus (aquamavirus B) represents the second sequenced member of the genus Aquamavirus.

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Acknowledgements

This work was partly supported by the National Key Research and Development Programs of China (no. 2017YFC1200201 and no. 2016YFD0500103) and the National Natural Science Foundation (no. 31872478 and 81741062).

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Correspondence to Wen Zhang or Tongling Shan.

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The authors declare that they have no conflict of interest.

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All applicable international, national, and institutional guidelines for the care and use of animals were followed.

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Handling Editor: Zhenhai Chen.

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Wang, H., Zhang, W., Yang, S. et al. Asian black bear (Ursus thibetanus) picornavirus related to seal aquamavirus A. Arch Virol 164, 653–656 (2019). https://doi.org/10.1007/s00705-018-4101-6

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  • DOI: https://doi.org/10.1007/s00705-018-4101-6

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