Genetic diversity of subgroup 1 ilarviruses from eastern Australia

Genetic diversity of subgroup 1 ilarviruses from eastern Australia This is the first report of the genetic diversity within ilarvirus subgroup 1 from eastern Australia. It supports the separation of tobacco streak virus (TSV) strains from parthenium ( Parthenium hysterophorus ) and crownbeard ( Verbescina encelioides ) based on serology and host specificity. It has confirmed one previously described strain of TSV as a member of the species Strawberry necrotic shock virus and another as a new subgroup 1 ilarvirus, ageratum latent virus (AgLV), from Ageratum houstonianum . A multiplex RT-PCR showed that the genetically distinct strains of TSV and AgLV were commonly found in symptomless infections in virus-specific alternative weed hosts growing over a wide geographical range in eastern Australia. TSV has been one of the most damaging viruses in Australian oilseed and pulse crops in recent years, and this study has provided the taxonomic knowledge essential for the development of control programs for these viruses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Genetic diversity of subgroup 1 ilarviruses from eastern Australia

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Publisher
Springer Vienna
Copyright
Copyright © 2013 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-013-1628-4
Publisher site
See Article on Publisher Site

Abstract

This is the first report of the genetic diversity within ilarvirus subgroup 1 from eastern Australia. It supports the separation of tobacco streak virus (TSV) strains from parthenium ( Parthenium hysterophorus ) and crownbeard ( Verbescina encelioides ) based on serology and host specificity. It has confirmed one previously described strain of TSV as a member of the species Strawberry necrotic shock virus and another as a new subgroup 1 ilarvirus, ageratum latent virus (AgLV), from Ageratum houstonianum . A multiplex RT-PCR showed that the genetically distinct strains of TSV and AgLV were commonly found in symptomless infections in virus-specific alternative weed hosts growing over a wide geographical range in eastern Australia. TSV has been one of the most damaging viruses in Australian oilseed and pulse crops in recent years, and this study has provided the taxonomic knowledge essential for the development of control programs for these viruses.

Journal

Archives of VirologySpringer Journals

Published: Aug 1, 2013

References

  • Recombination structure and genetic relatedness among members of the family Bromoviridae based on their RNAs 1 and 2 sequence analyses
    Boulila, M
  • Evolutionary relationships among members of the Bromoviridae deduced from whole proteome analysis
    Codoñer, FM; Elena, SF
  • RAxML-VI-HPC: maximum likelihood-based phylogenetic analyses with thousands of taxa and mixed models
    Stamatakis, A
  • RDP3: a flexible and fast computer program for analyzing recombination
    Martin, DP; Lemey, P; Lott, M; Moulton, V; Posada, D; Lefeuvre, P
  • Sister-Scanning: a Monte Carlo procedure for assessing signals in recombinant sequences
    Gibbs, MJ; Armstrong, JS; Gibbs, AJ
  • Strawberry necrotic shock virus is a distinct virus and not a strain of Tobacco streak virus
    Tzanetakis, IE; Mackey, IC; Martin, RR

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