Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/81852
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Type: Journal article
Title: Nucleotide sequence diversity in Velvet tobacco mottle virus: a virus with a unique Australian pathosystem
Author: Arthur, K.
Collins, N.
Yazarlou, A.
Randles, J.
Citation: Virus Genes, 2014; 48(1):168-173
Publisher: Kluwer Academic Publ
Issue Date: 2014
ISSN: 0920-8569
1572-994X
Statement of
Responsibility: 
K. Arthur, N. C. Collins, A. Yazarlou, J. W. Randles
Abstract: Velvet tobacco mottle virus (VTMoV) is a naturally occurring mirid-transmitted sobemovirus of native velvet tobacco (Nicotiana velutina) plants in the Australian arid zone. We have sequenced the coding region of a typical field isolate of VTMoV (isolate I-17-04, satellite-plus) and show that it differed by nine polymorphisms from the previously sequenced atypical ‘satellite-minus’ variant VTMoV-K1 (represented here as L-K1-04), while retaining the same genomic and amino acid sequence motifs. We also report that although L-K1-04 was confirmed to be free of detectable satellite RNA by gel electrophoretic assay, the satellite sequence was detected in it by RT-PCR assay. Nucleotide sequence variation among the RNA-dependent RNA polymerase open reading frames of 15 field and laboratory isolates identified four phylogenetic groups, but these did not show a pattern related to site or time of sampling. This result would be consistent with nucleotide sequence variants of VTMoV being dispersed widely by migrating adult mirid vectors.
Keywords: Native plant virus
RdRp
Satellite RNA
Sobemovirus
Velvet tobacco mottle virus
Virus sequence variation
Rights: © Springer Science+Business Media New York 2013
DOI: 10.1007/s11262-013-1007-y
Grant ID: ARC
Published version: http://dx.doi.org/10.1007/s11262-013-1007-y
Appears in Collections:Agriculture, Food and Wine publications
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