Abstract
Poly(A)-containing vesicular stomatitis virus mRNA species synthesized in vesicular stomatitis virus-infected cells have been separated into four bands by electrophoresis on formamide-polyacrylamide gels. Two-dimensional fingerprints of ribonuclease T-1 and ribonuclease A digests of the RNA from each band show that they contain unique oligonucleotide sequences as well as 60 to 125 nucleotides of poly(A). The fingerprints were used to determine the nucleotide sequence complexities of RNA from three of the bands. Two contain nucleotide sequences which account completely for their molecular weights (0.70 times 10-6 and 0.55 times 10-6) determined by gel electrophoresis and sedimentation rate, and, therefore, these are radiochemically pure RNA species. The most rapidly migrating band must contain two ro three different RNA species since it has a molecular weight of 0.28 times 10-6, determined by physical methods, and a nucleotide sequence complexity two to three times that expected for a pure RNA species of this size. These data are in complete accord with translational studies (accompanying paper) which show that each of the two pure RNA species codes for a distinct viral protein, whereas the third codes for two viral proteins. From the molecular weight and sequence complexity determinations on mRNA from the bands, we conclude that most of the vesicular stomatitis virus genome is transcribed into discrete mRNA species.
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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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