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Whole genome sequencing and phylogenetic characterization of a novel bat-associated picornavirus-like virus with an unusual genome organization

Temmam S., Hul V., Bigot T., Bessaud M., Chrétien D., Hoem T., Gorman C., Duong V., Dussart P., Cappelle J., Eloit M.. 2020. Infection, Genetics and Evolution, 78 : 5 p..

DOI: 10.1016/j.meegid.2019.104130

The order Picornavirales is one of the most important viral orders in terms of virus diversity and genome organizations, ranging from a mono- or bi-cistronic expression strategies to the recently described poly-cistronic Polycipiviridae viruses. We report here the description and characterization of a novel picorna-like virus identified in rectal swabs of frugivorous bats in Cambodia that presents an unusual genome organization. Kandabadicivirus presents a unique genome architecture and distant phylogenetic relationship to the proposed Badiciviridae family. These findings highlight a high mosaicism of genome organizations among the Picornavirales.

Mots-clés : phylogénie; hôte; génome; chiroptera; vecteur de maladie; picornavirales

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