Diverse gammacoronaviruses detected in wild birds from Madagascar
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To date, infectious bronchitis virus (IBV) is potentially found in wild birds of different species. This work reports the survey of coronaviruses in wild birds from Madagascar based on the targeting of a conserved genome sequence among different groups of CoVs. Phylogenetic analyses revealed the presence of gammacoronaviruses in different species of Gruiformes, Passeriformes, Ciconiiformes, Anseriformes, and Charadriiformes. Furthermore, some sequences were related to various IBV strains. Aquatic and migratory birds may play an important role in the maintenance and spread of coronaviruses in nature, highlighting their possible contribution in the emergence of new coronavirus diseases in wild and domestic birds.
KeywordsGammacoronavirus Wild birds Madagascar
The samples used in this work were obtained in the framework of the GRIPAVI project funded by the French Ministry of Foreign Affairs (MAE) via the FSP project [GRIPAVI 2006–26]. The collection of samples was coordinated by Véronique Chevalier. FESL is also grateful for the scholarship granted by the Federal Agency for Support and Evaluation of Graduate Education of Brazil (CAPES) and Science Without Borders program.
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