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Avian coronavirus in wild aquatic birds.

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.

SUBMITTER: Chu DK

PROVIDER: S-EPMC3209365 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Avian coronavirus in wild aquatic birds.

Chu Daniel K W DK Leung Connie Y H CY Gilbert Martin M Joyner Priscilla H PH Ng Erica M EM Tse Tsemay M TM Guan Yi Y Peiris Joseph S M JS Poon Leo L M LL

Journal of virology 20110928 23

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 gammacoronavir ...[more]

PMID: 21957308

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