1887

Abstract

Summary

Ten different RNA species associated with measles virus were detected in virus-infected cells. The largest RNA (no. 1) was considered to be genomic RNA and the other nine RNAs were found to have a methylated cap as well as a poly(A) tail. Northern blot hybridization indicated that RNAs no. 2 and 7 to 10 correspond to mRNAs encoding structural proteins, and that RNAs no. 3 to 6 are intermediate-sized (IS) RNAs. The possibility that the ISRNAs represent defective interfering RNA or a precursor form of the mRNA seems to be unlikely since the amounts of IS RNAs did not increase after undiluted passages or decrease in a pulse-chase experiment. These results indicate that IS RNAs are readthrough transcripts of neighbouring cistrons.

Keyword(s): cap structure , measles virus and mRNA
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/content/journal/jgv/10.1099/0022-1317-67-12-2807
1986-12-01
2022-01-17
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