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Sequencing and phylogenetic analysis of tobacco virus 2, a polerovirus from Nicotiana tabacum

Authors
  • Zhou, Benguo1, 2
  • Wang, Fang2
  • Zhang, Xuesong3
  • Zhang, Lina3
  • Lin, Huafeng1
  • 1 Anhui Agricultural University, College of Plant Protection, Hefei, Anhui, 230036, China , Hefei (China)
  • 2 Anhui Academy of Agricultural Sciences, Tobacco Research Institute, Hefei, Anhui, 230031, China , Hefei (China)
  • 3 Anhui Province Tobacco Corporation, Hefei, Anhui, 230071, China , Hefei (China)
Type
Published Article
Journal
Archives of Virology
Publisher
Springer-Verlag
Publication Date
Mar 24, 2017
Volume
162
Issue
7
Pages
2159–2162
Identifiers
DOI: 10.1007/s00705-017-3339-8
Source
Springer Nature
Keywords
License
Yellow

Abstract

The complete genome sequence of a new virus, provisionally named tobacco virus 2 (TV2), was determined and identified from leaves of tobacco (Nicotiana tabacum) exhibiting leaf mosaic, yellowing, and deformity, in Anhui Province, China. The genome sequence of TV2 comprises 5,979 nucleotides, with 87% nucleotide sequence identity to potato leafroll virus (PLRV). Its genome organization is similar to that of PLRV, containing six open reading frames (ORFs) that potentially encode proteins with putative functions in cell-to-cell movement and suppression of RNA silencing. Phylogenetic analysis of the nucleotide sequence placed TV2 alongside members of the genus Polerovirus in the family Luteoviridae. To the best our knowledge, this study is the first report of a complete genome sequence of a new polerovirus identified in tobacco.

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