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. 1979 Aug;76(8):3637–3640. doi: 10.1073/pnas.76.8.3637

Characterization of double-stranded ribonucleic acid in tobacco leaves

M Ikegami 1, H Fraenkel-Conrat 1
PMCID: PMC383887  PMID: 16592692

Abstract

Double-stranded RNA was isolated from tobacco leaves and characterized in terms of base composition, density, and nuclease resistance. Although its role in the plant's physiology is not clear, evidence was adduced that it is the product of the RNA-dependent RNA polymerase previously shown to occur in this and other plants. The fact that twice as much fully than partially double-stranded RNA appears to be made favors a regulatory role for the double-stranded RNA rather than a transcriptional intermediate role.

Keywords: RNA replication, RNA-dependent RNA polymerase, nucleases

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Selected References

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