ArticleScientific reports2016
The infectious particle of insect-borne totivirus-like Omono River virus has raised ridges and lacks fibre complexes.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 28 citations in OpenAlex.
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- High-resolution comparative atomic structures of two Giardiavirus prototypes infecting G. duodenalis parasite.PLoS pathogens · 2024Article
- Metagenomic of Liver Tissue Identified at Least Two Genera of Totivirus-like Viruses inMicroorganisms · 2024Article
- Unraveling the genomic landscape of piscine myocarditis virus: mutation frequencies, viral diversity and evolutionary dynamics in Atlantic salmon.Virus evolution · 2024Article
- Capsid structure of a fungal dsRNA megabirnavirus reveals its previously unidentified surface architecture.PLoS pathogens · 2023Article
- Article
- Structures of L-BC virus and its open particle provide insight into Totivirus capsid assembly.Communications biology · 2022Article
- Cryo-EM reveals a previously unrecognized structural protein of a dsRNA virus implicated in its extracellular transmission.PLoS pathogens · 2021Article
- Identification and Molecular Characterization of a New Omono River Virus Isolated from Culex Tritaeniorhynchus in Yunnan, China.Virologica Sinica · 2021Article
- An Unconventional Flavivirus and Other RNA Viruses in the Sea Cucumber (Holothuroidea; Echinodermata) Virome.Viruses · 2020Article
- Molecular Characterization ofGenes · 2019Article
- Assembly principles and structure of a 6.5-MDa bacterial microcompartment shell.Science (New York, N.Y.) · 2017Article
- Article
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13 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Omono River virus (OmRV) is a double-stranded RNA virus isolated from Culex mosquitos, and it belongs to a group of unassigned insect viruses that appear to be related to Totiviridae. This paper describes electron cryo-microscopy (cryoEM) structures for the intact OmRV virion to 8.9 Å resolution and the structure of the empty virus-like-particle, that lacks RNA, to 8.3 Å resolution. The icosahedral capsid contains 120-subunits and resembles another closely related arthropod-borne totivirus-like virus, the infectious myonecrosis virus (IMNV) from shrimps. Both viruses have an elevated plateau around their icosahedral 5-fold axes, surrounded by a deep canyon. Sequence and structural analysis suggests that this plateau region is mainly composed of the extended C-terminal region of the capsid proteins. In contrast to IMNV, the infectious form of OmRV lacks extensive fibre complexes at its 5-fold axes as directly confirmed by a contrast-enhancement technique, using Zernike phase-contrast cryo-EM. Instead, these fibre complexes are replaced by a short "plug" structure at the five-fold axes of OmRV. OmRV and IMNV have acquired an extracellular phase, and the structures at the five-fold axes may be significant in adaptation to cell-to-cell transmission in metazoan hosts.
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