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Novel Picobirnaviruses in Respiratory and Alimentary Tracts of Cattle and Monkeys with Large Intra- and Inter-Host Diversity

1
State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
2
Department of Microbiology, The University of Hong Kong, Hong Kong, China
3
Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, China
4
Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The University of Hong Kong, Hong Kong, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Viruses 2019, 11(6), 574; https://doi.org/10.3390/v11060574
Received: 21 May 2019 / Revised: 17 June 2019 / Accepted: 21 June 2019 / Published: 23 June 2019
(This article belongs to the Section Animal Viruses)
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Abstract

Picobirnaviruses (PBVs) are mostly found in animal alimentary samples. In this study, among 576 respiratory specimens from 476 mammals and 100 chickens, genogroup I PBVs were detected in three cattle and three monkeys, and a genogroup II PBV-positive sample was collected from one cattle specimen. More than one PBV sequence type was observed in two and one genogroup I PBV-positive samples from cattle and monkeys, respectively. Twenty-four complete/near-complete segments 2 (nine from respiratory and 15 from alimentary samples) from the cattle and monkey genogroup I PBVs and one complete segment 2 from the cattle genogroup II PBV were sequenced. Similar to other studies, the cattle PBVs also showed a high diversity. In contrast, the monkey PBVs observed in this study were clustered into three distinct clades. Within each clade, all the sequences showed >99% amino acid identities. This unique phenomenon is probably due to the fact that monkeys in our locality reside in separated troops with minimal inter-troop contact. View Full-Text
Keywords: novel picobirnaviruses; respiratory tracts; cattle; monkeys; diversity novel picobirnaviruses; respiratory tracts; cattle; monkeys; diversity
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Woo, P.C.Y.; Teng, J.L.L.; Bai, R.; Tang, Y.; Wong, A.Y.P.; Li, K.S.M.; Lam, C.S.F.; Fan, R.Y.Y.; Lau, S.K.P.; Yuen, K.-Y. Novel Picobirnaviruses in Respiratory and Alimentary Tracts of Cattle and Monkeys with Large Intra- and Inter-Host Diversity. Viruses 2019, 11, 574.

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