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Molecular characterization of two genotypes of a new polerovirus infecting brassicas in China.

Authors
  • Xiang, Hai-Ying1
  • Dong, Shu-Wei
  • Shang, Qiao-Xia
  • Zhou, Cui-Ji
  • Li, Da-Wei
  • Yu, Jia-Lin
  • Han, Cheng-Gui
  • 1 State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing, People's Republic of China. [email protected] , (China)
Type
Published Article
Journal
Archives of Virology
Publisher
Springer-Verlag
Publication Date
Dec 01, 2011
Volume
156
Issue
12
Pages
2251–2255
Identifiers
DOI: 10.1007/s00705-011-1091-z
PMID: 21874520
Source
Medline
License
Unknown

Abstract

The genomic RNA sequences of two genotypes of a brassica-infecting polerovirus from China were determined. Sequence analysis revealed that the virus was closely related to but significantly different from turnip yellows virus (TuYV). This virus and other poleroviruses, including TuYV, had less than 90% amino acid sequence identity in all gene products except the coat protein. Based on the molecular criterion (>10% amino acid sequence difference) for species demarcation in the genus Polerovirus, the virus represents a distinct species for which the name Brassica yellows virus (BrYV) is proposed. Interestingly, there were two genotypes of BrYV, which mainly differed in the 5'-terminal half of the genome.

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