The genome organisation and taxonomy of Sugarcane striate mosaic associated virus

The genome organisation and taxonomy of Sugarcane striate mosaic associated virus Sugarcane striate mosaic associated virus (SCSMaV) has slightly flexuous 950 nm × 15 nm filamentous particles and is associated with sugarcane striate mosaic disease in central Queensland, Australia. We report the full sequence of its RNA genome, which comprises 5 open reading frames representing the polymerase, movement function proteins encoded in a triple gene block and coat protein. Phylogenetic analyses based on either the full nucleotide sequence, the polymerase protein, or the coat protein all placed SCSMaV in an intermediate position between the genera Foveavirus and Carlavirus , but outside both genera. In addition, the absence of a sixth open reading frame excludes it from the genus Carlavirus , and the coat protein is approximately half the size of the type member for the genus Foveavirus . Although SCSMaV was most closely allied to Cherry green ring mottle virus by genome analysis, the two viruses are morphologically and biologically dissimilar. SCSMaV may therefore represent a new plant virus taxon. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

The genome organisation and taxonomy of Sugarcane striate mosaic associated virus

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Publisher
Springer-Verlag
Copyright
Copyright © 2001 by Springer-Verlag/Wien
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050170070
Publisher site
See Article on Publisher Site

Abstract

Sugarcane striate mosaic associated virus (SCSMaV) has slightly flexuous 950 nm × 15 nm filamentous particles and is associated with sugarcane striate mosaic disease in central Queensland, Australia. We report the full sequence of its RNA genome, which comprises 5 open reading frames representing the polymerase, movement function proteins encoded in a triple gene block and coat protein. Phylogenetic analyses based on either the full nucleotide sequence, the polymerase protein, or the coat protein all placed SCSMaV in an intermediate position between the genera Foveavirus and Carlavirus , but outside both genera. In addition, the absence of a sixth open reading frame excludes it from the genus Carlavirus , and the coat protein is approximately half the size of the type member for the genus Foveavirus . Although SCSMaV was most closely allied to Cherry green ring mottle virus by genome analysis, the two viruses are morphologically and biologically dissimilar. SCSMaV may therefore represent a new plant virus taxon.

Journal

Archives of VirologySpringer Journals

Published: Aug 1, 2001

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