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Complete genome sequence and intracellular protein localization of Datura yellow vein nucleorhabdovirus

Dietzgen, Ralf G. and Innes, David J. and Bejerman, Nicolas (2015) Complete genome sequence and intracellular protein localization of Datura yellow vein nucleorhabdovirus. Virus Research, 205 . pp. 7-11.

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Article Link(s): http://dx.doi.org/10.1016/j.virusres.2015.05.001

Publisher URL: http://www.sciencedirect.com/science/article/pii/S0168170215001720

Abstract

A limited number of plant rhabdovirus genomes have been fully sequenced, making taxonomic classification, evolutionary analysis and molecular characterization of this virus group difficult. We have for the first time determined the complete genome sequence of 13,188 nucleotides of Datura yellow vein nucleorhabdovirus (DYVV). DYVV genome organization resembles that of its closest relative, Sonchus yellow net virus (SYNV), with six ORFs in antigenomic orientation, separated by highly conserved intergenic regions and flanked by complementary 3′ leader and 5′ trailer sequences. As is typical for nucleorhabdoviruses, all viral proteins, except the glycoprotein, which is targeted to the endoplasmic reticulum, are localized to the nucleus. Nucleocapsid (N) protein, matrix (M) protein and polymerase, as components of nuclear viroplasms during replication, have predicted strong canonical nuclear localization signals, and N and M proteins exclusively localize to the nucleus when transiently expressed as GFP fusions. As in all nucleorhabdoviruses studied so far, N and phosphoprotein P interact when co-expressed, significantly increasing P nuclear localization in the presence of N protein. This research adds to the list of complete genomes of plant-infecting rhabdoviruses, provides molecular tools for further characterization and supports classification of DYVV as a nucleorhabdovirus closely related to but with some distinct differences from SYNV.

Item Type:Article
Business groups:Horticulture and Forestry Science
Keywords:Genome structure Nucleorhabdovirus Plant virus Protein localization
Subjects:Science > Botany > Genetics
Plant culture
Plant pests and diseases
Deposited On:22 Sep 2015 06:19
Last Modified:22 Sep 2015 06:19

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