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Viruses 2015, 7(6), 3076-3115; doi:10.3390/v7062761

Overview on Sobemoviruses and a Proposal for the Creation of the Family Sobemoviridae

Department of Gene Technology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia
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Academic Editor: Thomas Hohn
Received: 20 March 2015 / Revised: 18 May 2015 / Accepted: 2 June 2015 / Published: 15 June 2015
(This article belongs to the Section Viruses of Plants, Fungi and Protozoa)
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Abstract

The genus Sobemovirus, unassigned to any family, consists of viruses with single-stranded plus-oriented single-component RNA genomes and small icosahedral particles. Currently, 14 species within the genus have been recognized by the International Committee on Taxonomy of Viruses (ICTV) but several new species are to be recognized in the near future. Sobemovirus genomes are compact with a conserved structure of open reading frames and with short untranslated regions. Several sobemoviruses are important pathogens. Moreover, over the last decade sobemoviruses have become important model systems to study plant virus evolution. In the current review we give an overview of the structure and expression of sobemovirus genomes, processing and functions of individual proteins, particle structure, pathology and phylogenesis of sobemoviruses as well as of satellite RNAs present together with these viruses. Based on a phylogenetic analysis we propose that a new family Sobemoviridae should be recognized including the genera Sobemovirus and Polemovirus. Finally, we outline the future perspectives and needs for the research focusing on sobemoviruses. View Full-Text
Keywords: sobemovirus; taxonomy; pathology; particle structure; genome organization; VPg; polyprotein processing; satellite RNA; virus transmission; RNA silencing suppressor sobemovirus; taxonomy; pathology; particle structure; genome organization; VPg; polyprotein processing; satellite RNA; virus transmission; RNA silencing suppressor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Sõmera, M.; Sarmiento, C.; Truve, E. Overview on Sobemoviruses and a Proposal for the Creation of the Family Sobemoviridae. Viruses 2015, 7, 3076-3115.

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