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BMC Biology

, 10:54

First Online: 20 June 2012Received: 08 June 2012Accepted: 20 June 2012DOI: 10.1186-1741-7007-10-54

Cite this article as: Koonin, E.V. & Dolja, V.V. BMC Biol 2012 10: 54. doi:10.1186-1741-7007-10-54


In a recent BMC Evolutionary Biology article, Huiquan Liu and colleagues report two new genomes of double-stranded RNA dsRNA viruses from fungi and use these as a springboard to perform an extensive phylogenomic analysis of dsRNA viruses. The results support the old scenario of polyphyletic origin of dsRNA viruses from different groups of positive-strand RNA viruses and additionally reveal extensive horizontal gene transfer between diverse viruses consistent with the network-like rather than tree-like mode of viral evolution. Together with the unexpected discoveries of the first putative archaeal RNA virus and a RNA-DNA virus hybrid, this work shows that RNA viral genomics has major surprises to deliver.

See research article: http:-www.biomedcentral.com-1471-2148-12-91

Electronic supplementary materialThe online version of this article doi:10.1186-1741-7007-10-54 contains supplementary material, which is available to authorized users.

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Autor: Eugene V Koonin - Valerian V Dolja

Fuente: https://link.springer.com/

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