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On the evolution of orbiviruses.

B M Gorman

    Intervirology
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Orbiviruses generate genetic diversity through gene reassortment, similar to sexual reproduction. Applying evolutionary species concepts can clarify orbivirus classification and relationships.

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    Area of Science:

    • Virology
    • Evolutionary Biology
    • Genetics

    Background:

    • Orbiviruses possess segmented double-stranded RNA genomes.
    • Genetic diversity in orbiviruses arises from gene reassortment during co-infection, analogous to sexual reproduction.

    Purpose of the Study:

    • To explore the application of modern population genetics concepts to orbivirus classification.
    • To address the confusion in defining orbivirus species based on serological groups.

    Main Methods:

    • Review of genetic reassortment mechanisms in orbiviruses.
    • Application of phylogenetic and evolutionary species concepts.

    Main Results:

    • Gene reassortment is a key driver of orbivirus genetic diversity.

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  • Current serological classification of orbiviruses is insufficient for defining species.

    • Conclusions:

    • Evolutionary species concepts offer a framework for defining genetically interacting orbivirus groups.
    • This approach can clarify species diversity and phylogenetic relationships within orbiviruses.