RNA Viruses in Aquatic Unicellular Eukaryotes

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Sadeghi , M , Tomaru , Y & Ahola , T 2021 , ' RNA Viruses in Aquatic Unicellular Eukaryotes ' , Viruses-Basel , vol. 13 , no. 3 , 362 . https://doi.org/10.3390/v13030362

Title: RNA Viruses in Aquatic Unicellular Eukaryotes
Author: Sadeghi, Mohammadreza; Tomaru, Yuji; Ahola, Tero
Contributor: University of Helsinki, RNA virus replication and antivirals
University of Helsinki, Helsinki One Health (HOH)
Date: 2021
Language: eng
Number of pages: 21
Belongs to series: Viruses-Basel
ISSN: 1999-4915
URI: http://hdl.handle.net/10138/328795
Abstract: Increasing sequence information indicates that RNA viruses constitute a major fraction of marine virus assemblages. However, only 12 RNA virus species have been described, infecting known host species of marine single-celled eukaryotes. Eight of these use diatoms as hosts, while four are resident in dinoflagellate, raphidophyte, thraustochytrid, or prasinophyte species. Most of these belong to the order Picornavirales, while two are divergent and fall into the families Alvernaviridae and Reoviridae. However, a very recent study has suggested that there is extraordinary diversity in aquatic RNA viromes, describing thousands of viruses, many of which likely use protist hosts. Thus, RNA viruses are expected to play a major ecological role for marine unicellular eukaryotic hosts. In this review, we describe in detail what has to date been discovered concerning viruses with RNA genomes that infect aquatic unicellular eukaryotes.
Subject: 1182 Biochemistry, cell and molecular biology
+ssRNA viruses
sequence diversity
viral species
virus isolation
protist viruses

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