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ICTV Virus Taxonomy Profile: Baculoviridae
Robert L Harrison1, Elisabeth A Herniou2, Johannes A Jehle3
11Invasive Insect Biocontrol and Behavior Laboratory, Beltsville Agricultural Research Center, USDA Agricultural Research Service, Beltsville, MD 20705, USA.
The Journal of General Virology
|June 28, 2018
Summary
Baculoviridae are large viruses with DNA genomes that infect insect larvae. Their unique structure includes occlusion bodies made of viral proteins, aiding in infection and survival.
Area of Science:
- Virology
- Insect Pathology
- Molecular Biology
Background:
- Baculoviridae are large viruses with circular dsDNA genomes (80-180 kbp).
- Virions feature enveloped, rod-shaped nucleocapsids within occlusion bodies (0.15-5 µm).
- Occlusion bodies comprise a single viral protein matrix, highly expressed during infection.
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on Baculoviridae taxonomy.
- To provide an accessible overview of the Baculoviridae family's characteristics and classification.
Main Methods:
- Review and summarization of the official ICTV report on Baculoviridae.
- Extraction of key taxonomic and structural information from the report.
Main Results:
- Baculoviridae exclusively infect larvae of Lepidoptera, Hymenoptera, and Diptera.
- Detailed description of virion structure, genome size, and occlusion body composition.
Conclusions:
- The Baculoviridae family is well-defined by its genomic, structural, and host-specific characteristics.
- The ICTV report provides the authoritative classification for this important group of insect viruses.
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