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Originally published as JGV in Press, 10.1099/vir.0.007732-0 on March 4, 2009 J Gen Virol 90 (2009), 883-887; DOI 10.1099/vir.0.007732-0

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Short Communication

Detection of diverse astroviruses from bats in China

Hua Chen Zhu1, Daniel K. W. Chu1, Wei Liu2, Bai Qing Dong2, Shu Yi Zhang3, Jin Xia Zhang1, Li Feng Li1, Dhanasekaran Vijaykrishna1, Gavin J. D. Smith1, Hong Lin Chen1, Leo L. M. Poon1, J. S. Malik Peiris1,4 and Yi Guan1

1 State Key Laboratory of Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, University of Hong Kong, Pokfulam, Hong Kong SAR
2 Guangxi Center for Disease Control and Prevention, Nanning 530021, PR China
3 East China Normal University, Shanghai, PR China
4 HKU-Pasteur Research Centre, Hong Kong SAR

Correspondence
Yi Guan
yguan{at}hkucc.hku.hk

Astroviruses infect humans and many different animal species and are associated with gastroenteritis. Recent studies first detected the virus from bat species in Hong Kong. To understand astrovirus distribution in the wider region further, we examined the prevalence of this virus family in bat specimens collected from a large geographical region of mainland China. We collected 500 anal swabs from 20 bat species in 51 natural habitats from 11 provinces of China and tested these for astroviruses. Our study revealed a remarkably high genetic diversity of astroviruses; five monophyletic groups were identified in bats, including two novel groups. Evidence for varying degrees of host restriction for astroviruses from bats has been found. Phylogenetic analyses also provided insight into the inter-species transmission of Mamastrovirus.

The GenBank/EMBL/DDBJ accession numbers for the sequences derived in this study are FJ571065–FJ571140.






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