Avian coronavirus in wild aquatic birds.

Daniel K W Chu 1 Connie y H Leung 1 Martin Gilbert 2 Priscilla H Joyner 2 Erica M Ng 1 Tsemay M Tse 1 Yi Guan 1 Joseph S M Peiris 1, 3, * Leo L M Poon 1
* Corresponding author
1 Department of Microbiology [HKU]
2 Wildlife Conservation Society
3 Centre de recherche Université de Hong-Kong-Pasteur
Abstract : We detected a high prevalence (12.5%) of novel avian coronaviruses in aquatic wild birds. Phylogenetic analyses of these coronaviruses suggest that there is a diversity of gammacoronaviruses and deltacoronaviruses circulating in birds. Gammacoronaviruses were found predominantly in Anseriformes birds, whereas deltacoronaviruses could be detected in Ciconiiformes, Pelecaniformes, and Anseriformes birds in this study. We observed that there are frequent interspecies transmissions of gammacoronaviruses between duck species. In contrast, deltacoronaviruses may have more stringent host specificities. Our analysis of these avian viral and host mitochondrial DNA sequences also suggests that some, but not all, coronaviruses may have coevolved with birds from the same order.
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Submitted on : Thursday, November 10, 2011 - 9:18:32 AM
Last modification on : Monday, October 8, 2018 - 5:44:06 PM

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Daniel K W Chu, Connie y H Leung, Martin Gilbert, Priscilla H Joyner, Erica M Ng, et al.. Avian coronavirus in wild aquatic birds.. Journal of Virology, American Society for Microbiology, 2011, 85 (23), pp.12815-20. ⟨10.1128/JVI.05838-11⟩. ⟨pasteur-00639816⟩

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