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Updated: Jun 18, 2026

11:12
Protocols for Investigating the Host-tissue Distribution, Transmission-mode, and Effect on the Host Fitness of a Densovirus in the Cotton Bollworm
Published on: April 12, 2017
[Recent progress in protist virology--molecular ecology, taxonomy, molecular evolution]
1Natl. Res. Inst. Fish. Environ. Inland Sea, Fisheries Research Agency. nagasaki@affrc.go.jp
Uirusu
|November 26, 2009
Summary
Discoveries in protist-infecting viruses reveal new insights into molecular ecology and evolution. This minireview highlights relationships between dinoflagellates and viruses, new diatom virus groups, and picornavirus evolution.
Area of Science:
- Virology
- Molecular Ecology
- Evolutionary Biology
Context:
- Over 40 protist-infecting viruses are currently identified and characterized.
- Recent years have yielded significant advancements in understanding these viruses from molecular, ecological, and evolutionary perspectives.
Purpose:
- To review key recent discoveries in the field of protist-infecting viruses.
- To introduce three specific areas of interest: dinoflagellate-virus interactions, novel diatom viruses, and picornavirus evolution.
Summary:
- Explores the molecular ecological dynamics between the bloom-forming dinoflagellate *Heterocapsa circularisquama* and its single-stranded RNA virus (ssRNA virus).
- Reports the identification of novel single-stranded RNA (ssRNA) and single-stranded DNA (ssDNA) virus groups that infect diatoms.
- Presents a hypothesis regarding the evolutionary pathways of picornaviruses, offering new perspectives on their origins.
Impact:
- Advances our understanding of virus-host interactions in aquatic microbial communities.
- Expands the known diversity of viruses infecting ecologically important phytoplankton groups like diatoms.
- Provides a foundation for future research into viral evolution and the broader ecological roles of viruses in aquatic ecosystems.
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