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. 1982 Jul;43(1):150–157. doi: 10.1128/jvi.43.1.150-157.1982

The genome of respiratory syncytial virus is a negative-stranded RNA that codes for at least seven mRNA species.

Y T Huang, G W Wertz
PMCID: PMC256105  PMID: 6125602

Abstract

The RNA from purified respiratory syncytial (RS) virions and the RNAs from RS virus-infected cells were isolated and characterized. The RNA from RS virions was found to be a unique species of single-stranded RNA of approximately 5 x 10(6) daltons. Specific annealing experiments demonstrated that at least 93% of the virion RNA was of negative (nonmessage) polarity. Eight major and three minor species of virus-specific RNA were detected in the cytoplasm of RS virus-infected HEp-2 cells. The largest intracellular RNA species comigrated with RNA from purified virions, was not polyadenylated, and was synthesized only in the presence of concomitant protein synthesis. The seven major smaller species of RNA were synthesized in the presence of an inhibitor of protein synthesis. These RNAs were all polyadenylated and were shown to be RS virus specific by their ability to anneal specifically to purified virion RNA. The sum of the sizes of the major RS virus-specific polyadenylated RNAs was sufficient to account for the coding capacity of the RS virus genome (within the limits of reliability of the methods we have used to determine size).

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Selected References

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