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. 1982 Jul;43(1):273–283. doi: 10.1128/jvi.43.1.273-283.1982

Synthesis of virus-specific polypeptides and genomic RNA during the replicative cycle of Pichinde virus.

K Dimock, D G Harnish, G Sisson, W C Leung, W E Rawls
PMCID: PMC256118  PMID: 6287002

Abstract

A stock of plaque-purified Pichinde virus, prepared under conditions designed to limit the amounts of defective interfering virus, was used to infect BHK cells. At daily intervals after infection, cells were examined for infectious and radiolabeled virus particle production and for the synthesis of virus-specific polypeptides. Quantitative comparisons were also made of the concentrations of genomic Pichinde virus L and S RNAs in the cytoplasm of infected cells on different days after infection. Our results showed that virus particle production, rates of protein synthesis, and the intracellular levels of viral genomic RNAs all increased and decreased with similar kinetics, and that this regulation was independent of the cell growth cycle. We were unable to relate these changes in viral macromolecule and virus production to the appearance of readily identifiable defective interfering particles. Our findings suggest that regulation of virus replication early during the replicative cycle of Pichinde virus may not be dependent upon the generation of defective interfering virus.

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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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