Novel Gyrovirus genomes recovered from free-living pigeons in Southern Brazil
2020
Loiko, M.R. | Varela, A.P.M. | Tochetto, C. | Lopes, B.C. | Scheffer, C.M. | Morel, A.P. | Vidaletti, M.R. | Lima, D.A. | Cerva, C. | Mayer, F.Q. | Roehe, P.M.
Wild birds carry a number of infectious agents, some of which may have pathogenic potential for the host and others species, including humans. Domestic pigeons (Columba livia) are important targets of study since these increasingly cohabit urban spaces, being possible spillover sources of pathogens to humans. In the present study, two genomes (PiGyV_Tq/RS/Br and PiGyV_RG/RS/Br), representative of Gyrovirus genus, family Anelloviridae, were detected in sera of free-living pigeons collected in Southern Brazil. The genomes exhibit less than 50% identity to previously described members of Gyrovirus genus, suggesting that they constitute a new viral species circulating in pigeons, to which the name “pigeon gyrovirus (PiGyV)” is proposed. The current study characterizes these two PiGyV genomes which, to date, are the first gyrovirus species identified in domestic pigeons.
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