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ICTV Virus Taxonomy Profile: Pseudoviridae
Carlos Llorens1, Beatriz Soriano1, Mart Krupovic2
1Biotechvana, Scientific Park University of Valencia, 46980, Paterna, Valencia, Spain.
The Journal of General Virology
|February 2, 2021
Summary
Pseudoviridae, known as Ty1/Copia LTR retrotransposons, are reverse-transcribing viruses found in plant, fungal, and animal genomes. These viruses form intracellular icosahedral particles but lack an extracellular phase.
Area of Science:
- Virology
- Genomics
- Molecular Biology
Background:
- Pseudoviridae are a family of reverse-transcribing viruses with long terminal repeats (LTRs).
- They belong to the order Ortervirales and are commonly known as Ty1/Copia LTR retrotransposons.
- Pseudoviruses integrate into the genomes of plants, fungi, and animals.
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on the family Pseudoviridae.
- To provide an overview of the classification and characteristics of Pseudoviridae.
Main Methods:
- Review and synthesis of the official ICTV report on Pseudoviridae.
- Analysis of the taxonomic placement and biological features of these viruses.
Main Results:
- Pseudoviridae are characterized by their LTR structure and reverse-transcribing nature.
- They exhibit intracellular replication, forming icosahedral particles without an extracellular phase.
- Their presence is widespread across diverse eukaryotic kingdoms.
Conclusions:
- The family Pseudoviridae represents a significant group of endogenous retroelements with unique biological properties.
- Understanding Pseudoviridae is crucial for comprehending genome evolution and viral diversity.
- This summary provides a concise reference to the official ICTV classification of Pseudoviridae.
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