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  • Title: Nucleotide sequence of the coat protein gene of a strain of clover yellow vein virus from New Zealand: conservation of a stem-loop structure in the 3' region of potyviruses.
    Author: Bryan GT, Gardner RC, Forster RL.
    Journal: Arch Virol; 1992; 124(1-2):133-46. PubMed ID: 1571014.
    Abstract:
    The sequence of the 3'-terminal 1492 nucleotides of the genome of a New Zealand isolate of clover yellow vein potyvirus (CYVV) has been determined. This sequence encodes a large open reading frame of 1314 nucleotides, the start of which was not identified, but which encodes a putative 272 amino acid coat protein. Downstream of the coat protein coding region is a 177 nucleotide untranslated sequence terminated by a polyadenylate tract. Comparison of the deduced CYVV-NZ coat protein amino acid sequence with two other strains of CYVV showed 86-93% similarity, suggesting CYVV-NZ should be regarded as a separate CYVV strain. CYVV-NZ shares with other CYVV strains a direct repeat of 14-16 nucleotides that is capable of forming a stem-loop structure. Examination of 35 strains of 15 other potyviruses showed a similar stem-loop structure conserved in all cases. A possible role in replication is hypothesized for the structure.
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