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Is the Scrapie Agent a Viroid?
Nature New Biology, 1972RECENT evidence indicates that the agent of the potato spindle tuber disease, previously thought to be a virus, is a replicating RNA with a molecular weight of about 50,000 (refs. 1 and 2). Because there seems to be no helper virus in the system1, the RNA must rely for its replication principally on biosynthetic systems already functioning in the host.
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1977
The term “viroid” has been introduced to denote a recently recognized class of subviral plant pathogens (7). Presently known viroids consist solely of a short strand of RNA with a molecular weight of about 75,000 to 125,000 daltons. Introduction of this low-molecular-weight RNA into susceptible hosts leads to replication of the RNA and, in some hosts ...
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The term “viroid” has been introduced to denote a recently recognized class of subviral plant pathogens (7). Presently known viroids consist solely of a short strand of RNA with a molecular weight of about 75,000 to 125,000 daltons. Introduction of this low-molecular-weight RNA into susceptible hosts leads to replication of the RNA and, in some hosts ...
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Annual Review of Biophysics and Bioengineering, 1981
A K, Kleinschmidt, G, Klotz, H, Seliger
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A K, Kleinschmidt, G, Klotz, H, Seliger
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An Overview on Grapevine Viruses, Viroids, and the Diseases They Cause
, 2017G. Martelli
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