Abstract:
:N20-RNA 3L, a large form of RNA 3 associated with Alfalfa mosaic virus (AMV) strain N20 comprises 2281 nt and has approximately 97% overall sequence similarity to the longest previously described RNA 3 of AMV strain YSMV (YSMV-RNA 3; 2188 nt). Compared with YSMV-RNA 3, N20-RNA 3L contains an additional 97 nt in the 5' leader upstream of the open reading frames for movement protein (MP) and coat protein (CP). Two overlapping unidentified reading frames (URF1 and URF2) result from this modification, each of which code for putative translation products of 21 amino acids. The URF1 putative peptide has a hydrophilic N-terminus and a hydrophobic C-terminus, indicating a possible association with both host cell membrane and cytosol whereas the putative URF2 product is predominantly hydrophobic. A further structural modification found in N20-RNA 3L is a new tandem repeat of 243 nts which overlaps with the MP open reading frame.
journal_name
Virus Genesjournal_title
Virus genesauthors
Jayasena KW,Randles JWdoi
10.1007/s11262-004-7433-0subject
Has Abstractpub_date
2004-12-01 00:00:00pages
311-6issue
3eissn
0920-8569issn
1572-994Xpii
5277433journal_volume
29pub_type
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