Taxonomic position of sugarcane streak mosaic virus in the family Potyviridae *

Taxonomic position of sugarcane streak mosaic virus in the family Potyviridae * A cDNA library was generated from purified RNA of sugarcane streak mosaic virus – Andhra Pradesh (SCSMV-AP). Two overlapping clones covering 3160 nucleotides encoding partial CI, complete 6K2, VPg-NIa and NIb genes were sequenced. A comparison of this sequence along with the 3′ terminal 1315 nucleotides of SCSMV-AP determined earlier with the other members of the family Potyviridae indicated that it had only 30% identity at the amino acid level for the partial polyprotein open reading frame (ORF) with the members of Ipomovirus and Tritimovirus genera. Further, in the most conserved NIb region also there was only 40% identity with the type members of these genera. Based on this analysis, we suggest the taxonomic affiliation of SCSMV-AP into an undescribed new genus in the family Potyviridae . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Taxonomic position of sugarcane streak mosaic virus in the family Potyviridae *

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Publisher
Springer-Verlag
Copyright
Copyright © 2002 by Springer-Verlag/Wien
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-002-0851-1
Publisher site
See Article on Publisher Site

Abstract

A cDNA library was generated from purified RNA of sugarcane streak mosaic virus – Andhra Pradesh (SCSMV-AP). Two overlapping clones covering 3160 nucleotides encoding partial CI, complete 6K2, VPg-NIa and NIb genes were sequenced. A comparison of this sequence along with the 3′ terminal 1315 nucleotides of SCSMV-AP determined earlier with the other members of the family Potyviridae indicated that it had only 30% identity at the amino acid level for the partial polyprotein open reading frame (ORF) with the members of Ipomovirus and Tritimovirus genera. Further, in the most conserved NIb region also there was only 40% identity with the type members of these genera. Based on this analysis, we suggest the taxonomic affiliation of SCSMV-AP into an undescribed new genus in the family Potyviridae .

Journal

Archives of VirologySpringer Journals

Published: Sep 1, 2002

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