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Comparative sequence and structure of circular RNAs from two isolates of lucerne transient streak virus
Author(s) -
Keese Paul,
Bruening George,
Symons Robert H.
Publication year - 1983
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(83)80443-8
Subject(s) - biology , virology , virus , viroid , mottle , homology (biology) , plant virus , nucleic acid sequence , rna , genetics , gene
The sequences of the circular viroid‐like RNA 2 (virusoid) from two isolates of lucerne transient streak virus (LTSV) have been determined. They both contain 324 residues and share 98% sequence homology. The proposed secondary structures fit a highly base‐paired rod‐like model as shown previously for viroids and two other virusoids, velvet tobacco mottle virus (VTMoV) and Solanum nodiflorum mottle virus (SNMV). Except for one region of sequence and positional homology (GAUUUU, residues 21–26) LTSV virusoid exhibits limited homology with all presently known virusoids, including those from VTMoV, SNMV and subterranean clover mottle virus.