Molecular characterisation of dicot-infecting mastreviruses from Australia

James Hadfield, John E. Thomas, Mark W. Schwinghamer, Simona Kraberger, Daisy Stainton, Anisha Dayaram, Judith N. Parry, Daniel Pande, Darren P. Martin, Arvind Varsani

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


Monocotyledonous and dicotyledonous plant infecting mastreviruses threaten various agricultural systems throughout Africa, Eurasia and Australasia. In Australia three distinct mastrevirus species are known to infect dicotyledonous hosts such as chickpea, bean and tobacco. Amongst 34 new " dicot-infecting" mastrevirus full genome sequences obtained from these hosts we discovered one new species, four new strains, and various variants of previously described mastrevirus species. Besides providing additional support for the hypothesis that evolutionary processes operating during dicot-infecting mastrevirus evolution (such as patterns of pervasive homologous and non-homologous recombination, and strong purifying selection acting on all genes) have mostly mirrored those found in their monocot-infecting counterparts, we find that the Australian dicot-infecting viruses display patterns of phylogeographic clustering reminiscent of those displayed by monocot infecting mastrevirus species such as Panicum streak virus and Maize streak virus.

Original languageEnglish (US)
Pages (from-to)13-22
Number of pages10
JournalVirus research
Issue number1-2
StatePublished - Jun 2012
Externally publishedYes


  • Australia
  • Bean
  • Chickpea
  • Dicot-infecting mastreviruses
  • Geminivirus
  • Recombination
  • Tobacco

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases
  • Cancer Research


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