Home CUSTOMERS Acta Virologica 2022 Acta Virologica Vol.66, No.2, p. 149 – 156, 2022

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

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Acta Virologica Vol.66, No.2, p. 149 – 156, 2022

Title: Artemisia capillaris nucleorhabdovirus 1, a novel member of the genus Alphanucleorhabdovirus, identified in the Artemisia capillaris transcriptome
Author: Dongjin Choi, Chaerim Shin, Ken Shirasu, Yasunori Ichihashi, Yoonsoo Hahn

Abstract: A novel, negative-sense, single-stranded RNA virus, Artemisia capillaris nucleorhabdovirus 1 (AcNRV1), was identified in the transcriptome data of Artemisia capillaris (commonly known as capillary wormwood) root tissue. The AcNRV1 genome contains six open reading frames encoding a nucleocapsid (N), phosphoprotein, movement protein P3, matrix protein, glycoprotein, and polymerase (L). Sequence comparison and phylogenetic analysis using L and N protein sequences revealed that AcNRV1 is a novel member of the genus Alphanucleorhabdovirus, one of the six plant-infecting rhabdovirus genera of the family Rhabdoviridae. Wheat yellow striate virus and rice yellow stunt virus were identified as the closest known rhabdoviruses of AcNRV1. The conserved regulatory sequences involved in transcription termination/polyadenylation (TTP) and transcription initiation (TI) of individual genes were identified in the AcNRV1 genome with the consensus sequence 3'-(A/U)UUAUUUUU–GGG–UUG-5' (in the negative-sense genome), whereby dashes separate the TTP, untranscribed intergenic spacer, and TI elements. The AcNRV1 genome sequence will contribute to further understanding the genome structural evolution of plant rhabdoviruses.

Keywords: Artemisia capillaris nucleorhabdovirus 1; plant virus; Alphanucleorhabdovirus; Rhabdoviridae
Published online: 29-Jun-2022
Year: 2022, Volume: 66, Issue: 2 Page From: 149, Page To: 156
doi:10.4149/av_2022_204


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