Deletion Analysis of a Defective Interfering Semliki Forest Virus RNA Genome Defines a Region in the nsP2 Sequence That Is Required for Efficient Packaging of the Genome into Virus Particles

Abstract excerpt

The 1,244-nucleotide genome of Semliki Forest virus (SFV) defective interfering (DI) RNA 19 (DI-19) is coterminal with the infectious genome and contains two major deletions. One deletion removes the end of the nsP1 gene and the beginning of the nsP2 gene, and the other removes the end of the nsP2 gene, the nsP3 and nsP4 genes, and all of the structural protein genes (M. Thomson and N. J. Dimmock, Virology...

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