Home HOME Acta Virologica 2021 Acta Virologica Vol.65, No.4, p.373-380, 2021

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

Published in English

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Acta Virologica Vol.65, No.4, p.373-380, 2021

Title: Identification of the genome sequence of Zostera associated varicosavirus 1, a novel negative-sense RNA virus, in the common eelgrass (Zostera marina) transcriptome
Author: Chaerim Shin, Dongjin Choi, Yoonsoo Hahn

Abstract: Varicosaviruses (the genus Varicosavirus) are bipartite, negative-sense, single-stranded RNA viruses that infect plants. We analyzed a transcriptome dataset isolated from the common eelgrass (Zostera marina) and identified a novel varicosavirus named Zostera associated varicosavirus 1 (ZaVV1). The ZaVV1 genome consists of two genomic segments: RNA1 (6,632-nt) has an open reading frame (ORF) encoding a large multi-functional polymerase protein (L), while RNA2 (4,304-nt) has four ORFs: one for a nucleocapsid protein and three for proteins with unknown functions (P2, P3, and P4). Sequence comparison and phylogenetic analysis using L proteins showed that ZaVV1 is a novel member of the genus Varicosavirus of the family Rhabdoviridae. The conserved regulatory elements involved in transcription termination/polyadenylation and transcription initiation were identified in the ZaVV1 gene-junction regions with the consensus sequence 3'-UAUUAUUCUUUUUGCUCU-5' (in the negative-sense genome). The ZaVV1 genome sequence may be useful for studying the phylogenetic relationships of varicosaviruses and genome evolution of rhabdoviruses.

Keywords: Zostera associated varicosavirus 1; Varicosavirus; Rhabdoviridae; common eelgrass; Zostera marina
Published online: 23-Aug-2021
Year: 2021, Volume: 65, Issue: 4 Page From: 373, Page To: 380

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