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Related Experiment Videos

Viral evolution and insects as a possible virologic turning table

H Koblet1

  • 1Institute for Medical Microbiology, University of Berne, Switzerland.

In Vitro Cellular & Developmental Biology. Animal
|April 1, 1993
PubMed
Summary

Arthropods, particularly insects, are crucial in the transmission and evolution of viruses, impacting plants and animals. This study reviews viral families and their hosts, highlighting arthropod roles in viral spread and adaptation.

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Area of Science:

  • Virology
  • Arthropod-borne diseases
  • Viral evolution

Background:

  • Arthropods play a significant role in the transmission and evolution of viruses.
  • Many viral families infect invertebrates, vertebrates, and plants, irrespective of genome type.
  • Viral outbreaks are often linked to arthropod propagation.

Purpose of the Study:

  • To demonstrate the role of arthropods in viral transmission and evolution.
  • To examine viral families, their hosts, and their relationship with arthropods.
  • To review viral supergroups that exploit arthropods.

Main Methods:

  • Analysis of viral families and their host ranges (invertebrates, vertebrates, plants).
  • Comparison of viral genome types (RNA, DNA, segmented, non-segmented, enveloped, non-enveloped).

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  • Review of viral protein relationships and evolutionary patterns.

    • Main Results:

    • Arthropods are key in propagating viruses during outbreaks.
    • Many viruses infect multiple kingdoms (invertebrates, vertebrates, plants), with arthropods facilitating transmission.
    • Viral genome segmentation in plant viruses suggests insect or seed transmission.

    Conclusions:

    • Arthropods are vital for the transmission and evolution of diverse viruses.
    • Viral supergroups can be defined by their ability to infect various hosts and utilize arthropods.
    • Understanding arthropod-virus interactions is crucial for explaining viral evolution and disease emergence.