Home Acta Virologica 2020 Acta Virologica Vol.64, No.1, p.36-43, 2020

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ISSN 0001-723X
E-ISSN 1336-2305

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Acta Virologica Vol.64, No.1, p.36-43, 2020

Title: Identification of Trichosanthes associated rhabdovirus 1, a novel member of the genus Cytorhabdovirus of the family Rhabdoviridae, in the Trichosanthes kirilowii transcriptome
Author: C. J. GOH, D. PARK, Y. HAHN

Abstract: The genome sequence of a novel RNA virus, Trichosanthes associated rhabdovirus 1 (TrARV1), was identified in a transcriptome dataset isolated from a root sample of Trichosanthes kirilowii, which is a flowering plant belonging to the family Cucurbitaceae. The fruits, seeds, and root tubers of T. kirilowii have been used clinically in traditional Chinese medicine. The TrARV1 genome sequence was predicted to have six open reading frames (ORFs) encoding five canonical structural proteins of the family Rhabdoviridae (N ORF for nucleocapsid, P ORF for phosphoprotein, M ORF for matrix protein, G ORF for glycoprotein, and L ORF for polymerase), and an accessory protein. Sequence comparisons and phylogenetic analyses based on L and N proteins confirmed that TrARV1 is a novel member of the genus Cytorhabdovirus of the family Rhabdoviridae. TrARV1 is most closely related to Wuhan insect virus 5 and persimmon virus A. The putative cis-regulatory elements involved in transcription termination and polyadenylation, commonly found in the gene junction regions of rhabdoviruses, were also identified in the TrARV1 genome having the consensus sequence 3'- ACUAAAUUAUUUUGAUCUUU-5'. The genome sequence of TrARV1 may be useful to study the evolution and molecular biology of cytorhabdoviruses.

Keywords: Trichosanthes associated rhabdovirus 1; Cytorhabdovirus; Rhabdoviridae; Trichosanthes kirilowii
Published online: 11-Mar-2020
Year: 2020, Volume: 64, Issue: 1 Page From: 36, Page To: 43
doi:10.4149/av_2020_105


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