Abstract
Viroids are plant pathogens distinguished from viruses by the absence of a protein coat and by their small size. They are circular, single-stranded RNA molecules consisting of a few hundred nucleotides, the smallest having about 240 and the largest about 600 nucleotides. Since viroids can have only a very limited coding capacity and as there is no experimental evidence for a viroid-coded translation product, one has to assume that viroid replication and pathogenesis depend completely on the enzyme systems of the host (for reviews see [1–5]).
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© 1991 Springer-Verlag Berlin Heidelberg
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Riesner, D. et al. (1991). Structure, Cellular Location, and Cytopathology of Viroids. In: Mendgen, K., Lesemann, DE. (eds) Electron Microscopy of Plant Pathogens. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75818-8_12
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DOI: https://doi.org/10.1007/978-3-642-75818-8_12
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