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  • Title: Viroids and viroid-like satellite RNAs: a phylogenetic analysis.
    Author: Diener TO.
    Journal: Prog Clin Biol Res; 1991; 364():243-56. PubMed ID: 1708505.
    Abstract:
    With the discovery that certain RNAs possess catalytic properties (Kruger et al., 1982; Guerrier-Takada et al., 1983), the possible significance of certain small plant pathogenic RNAs, namely viroids and viroid-like satellite RNAs, as relics of precellular evolution deserves consideration. As a first step in this endeavor, I report here the results of a phylogenetic study of the computer-aligned nucleotide sequences of these RNAs that is based on the parsimony principle (Felsenstein and Sober, 1986).
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