Viroids and Genetic Engineering
Viroids are low molecular weight RNAs that are present in certain species of higher plants afflicted with specific diseases. They are not detectable in healthy individuals of the same species, but, after introduction into such individuals, they are replicated autonomously and cause the appearance of the characteristic disease syndrome (Diener, 1979a). Unlike viral nucleic acids, viroids are not encapsidated.
KeywordsNucleic Acid Hybridization Severe Strain Potato Spindle Tuber Viroid Mild Strain Stunt Viroid
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