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1.
Virus Evol ; 8(2): veac061, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35854826

RESUMEN

The subfamily Orthoparamyxovirinae is a group of single-stranded, negative-sense RNA viruses that contains many human, animal, and zoonotic pathogens. While there are currently only forty-two recognized species in this subfamily, recent research has revealed that much of its diversity remains to be characterized. Using a newly developed nested PCR-based screening assay, we report here the discovery of fifteen orthoparamyxoviruses in rodents and shrews from Belgium and Guinea, thirteen of which are believed to represent new species. Using a combination of nanopore and sanger sequencing, complete genomes could be determined for almost all these viruses, enabling a detailed evaluation of their genome characteristics. While most viruses are thought to belong to the rapidly expanding genus Jeilongvirus, we also identify novel members of the genera Narmovirus, Henipavirus, and Morbillivirus. Together with other recently discovered orthoparamyxoviruses, both henipaviruses and the morbillivirus discovered here appear to form distinct rodent-/shrew-borne clades within their respective genera, clustering separately from all currently classified viruses. In the case of the henipaviruses, a comparison of the different members of this clade revealed the presence of a secondary conserved open reading frame, encoding for a transmembrane protein, within the F gene, the biological relevance of which remains to be established. While the characteristics of the viruses described here shed further light on the complex evolutionary origin of paramyxoviruses, they also illustrate that the diversity of this group of viruses in terms of genome organization appears to be much larger than previously assumed.

2.
Microbiol Resour Announc ; 10(18)2021 May 06.
Artículo en Inglés | MEDLINE | ID: mdl-33958404

RESUMEN

We report here the complete genome sequence of ruloma virus, a novel paramyxovirus detected in a Machangu's brush-furred rat from Tanzania. Ruloma virus has the longest orthoparamyxovirus genome reported to date and forms a sister clade to all currently known members of the genus Jeilongvirus.

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