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. 1975;52(4-6):403–408.

A comparison of biochemical and biological properties of standard and defective lymphocytic choriomeningitis virus

R M Welsh, P A Burner, J J Holland, M B A Oldstone, H A Thompson, L P Villarreal
PMCID: PMC2366663  PMID: 60182

Abstract

Lymphocytic choriomeningitis (LCM) virus infection of the mouse is the best-studied model of persistent viral infection. In cell culture, persistent LCM virus infections are associated with the production of large quantities of defective interfering (DI) LCM virus. These defective interfering particles cannot replicate by themselves yet can interfere with the replication of the standard virus and prevent the cytolytic effect caused by the standard virus. It is important to determine the mechanism of interference and to establish whether the DI virus plays a role in vivo. Biological and biochemical properties of the standard and DI virus particles and also virus enzymes are compared. Antigenic analyses reveal that cells releasing only DI virus particles have less cell surface expression of viral antigens than cells releasing the standard virus. In the animal model, the DI virus is shown to have a protective effect against the pathogenesis of the LCM virus disease both in the mouse and in the rat.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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