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

Molecular characterization of two genotypes of a new polerovirus infecting brassicas in China 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

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

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Publisher
Springer Vienna
Copyright
Copyright © 2011 by Springer-Verlag
Subject
Biomedicine; Virology; Infectious Diseases; Medical Microbiology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-011-1091-z
Publisher site
See Article on Publisher Site

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.

Journal

Archives of VirologySpringer Journals

Published: Dec 1, 2011

References

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