Cassava vein mosaic virus (CsVMV), type species for a new genus of plant double stranded DNA viruses?

Archives of Virology
A de KochkoC Fauquet

Abstract

The complete sequence of 8159 nucleotides of the double stranded DNA genome of cassava vein mosaic virus (CsVMV) was determined (# U59751) and revealed a significant difference in genome organization when compared with a previous report (# U20341). When transferred to cassava plants by microbombardment, the full length CsVMV clone was infectious, confirming the genome organization here described. Sequence comparisons between CsVMV and members of the genera Caulimovirus and Badnavirus revealed high homologies between consensus sequences of several proteins that are indispensable for virus replication, including a potential transactivator factor not reported previously. The presence of a sequence complementary to a plant Met tRNA confirms that CsVMV is a plant pararetrovirus and is most closely related to members of the genus Caulimovirus as previously assessed. However, differences in genome organization, number and size of the ORFs, in addition to sequence comparisons with other plant pararetroviruses, shows that either the genetic variability of caulimoviruses is much greater than previously thought, or that CsVMV is the unique representative of a new genus within the Caulimoviridae family. On the basis of this study, it is pr...Continue Reading

Citations

Nov 10, 2009·Archives of Virology·Andrew D W GeeringPierre-Yves Teycheney
Nov 11, 1999·Proceedings of the National Academy of Sciences of the United States of America·J JakowitschA J Matzke
Jul 31, 2002·Annual Review of Phytopathology·Glyn HarperNeil Olszewski
Aug 12, 2005·Cytogenetic and Genome Research·C N HansenJ S Heslop-Harrison
May 23, 2007·BMC Plant Biology·Christina StaginnusTrude Schwarzacher
Feb 26, 2016·Journal of Virological Methods·Henry WagabaNigel J Taylor
Apr 18, 2020·Frontiers in Plant Science·Jan F KreuzeWilmer J Cuellar

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