CARNA 5, the Small Cucumber Mosaic Virus—Dependent Replicating RNA, Regulates Disease Expression

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Science  25 May 1979:
Vol. 204, Issue 4395, pp. 845-847
DOI: 10.1126/science.204.4395.845


CARNA 5, the small cucummber mosaic virus—dependent replicating RNA which is the causal agent of lethal tomato necrosis disease, causes a drastic reduction of disease symptoms in at least two other plant species. Satellite-like RNA's associated with plant viruses have a disease-regulating function.