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ICTV Virus Taxonomy Profile: Qinviridae 2023
Yuri I Wolf1, Eugene V Koonin1, Mart Krupovic2
1National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA.
The Journal of General Virology
|October 12, 2023
Summary
The Qinviridae family comprises negative-sense RNA viruses found in invertebrates. Their genome has two segments, encoding RNA-directed RNA polymerase and nucleocapsid proteins.
Area of Science:
- Virology
- Invertebrate Pathology
Background:
- The Qinviridae family is a group of negative-sense RNA viruses.
- These viruses have been detected in various invertebrate hosts, including crustaceans, insects, gastropods, and nematodes.
- The viral genome is segmented, with each segment containing at least one open reading frame (ORF).
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on the Qinviridae family.
- To provide an overview of the taxonomic classification and characteristics of Qinviridae.
- To disseminate key information regarding the genomic structure and protein-encoding capabilities of these viruses.
Main Methods:
- Review and synthesis of the official ICTV report on the Qinviridae family.
- Analysis of the genomic composition and organization of Qinviridae.
- Identification of key protein-coding regions within the viral genome.
Main Results:
- Qinviridae viruses possess a segmented genome, typically 7.3–8.2 kilobases in size.
- The genome consists of two segments: a large (L) segment encoding an RNA-directed RNA polymerase (RdRP) domain, and a small (S) segment encoding a nucleocapsid protein.
- These viruses are associated with a diverse range of invertebrate hosts.
Conclusions:
- The Qinviridae family represents a distinct group of RNA viruses with specific genomic features.
- Understanding the genomic structure and host associations is crucial for viral taxonomy and classification.
- This summary provides essential information for researchers studying invertebrate viruses and viral evolution.
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