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. 1996;141(9):1775-83.
doi: 10.1007/BF01718300.

Viroids proper can be distinguished from hammerhead viroids and satellite RNAs through their dinucleotide composition

F U Gast  1 , R L Spieker
Affiliations

Viroids proper can be distinguished from hammerhead viroids and satellite RNAs through their dinucleotide composition

F U Gast et al. Arch Virol. 1996.

Abstract

G + C-rich viroids proper exhibit a unique dinucleotide composition in that AU and UA are much less frequent than expected. Thus, evaluation of the dinucleotide pattern allows a quick discrimination between viroids proper and similar RNAs from plants, such as hammerhead-containing viroids, satellite RNAs, and defective interfering RNAs. In addition to sequence alignment, this method might be useful for the classification of a newly found small RNA replicon.

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References

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