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Australian monocot-infecting mastrevirus diversity rivals that in Africa

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Kraberger, S., Thomas, J. E., Geering, A. D. W., Dayaram, A., Stainton, D., Hadfield, J., Walters, M., Parmenter, K. S., van Brunschot, S., Collings, D. A., Martin, D. P. and Varsani, A. (2012) Australian monocot-infecting mastrevirus diversity rivals that in Africa. Virus Research, 169 (1). pp. 127-136. ISSN 0168-1702

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Article Link: http://dx.doi.org/doi:10.1016/j.virusres.2012.07.0...

Publisher URL: http://www.sciencedirect.com/science/article/pii/S0168170212002845


Monocotyledonous plant infecting mastreviruses (family Geminiviridae) have been found in the Old World. The greatest diversity of these viruses has been found in Africa but this may simply reflect the more extensive sampling that has been done there. To provide a better understanding of mastrevirus diversity in Australia. we have sequenced the genomes of 41 virus isolates found in naturalised and native grasses and identified four new species in addition to the four previously characterised species. Two of these species, which were recovered from a single Sporobolus plant, are highly divergent and are most closely related to the African streak viruses. This, coupled with the discovery of divergent dicotyledonous plant infecting mastreviruses in Australia brings into question the hypothesis that mastreviruses may have originated in Africa. We found that the patterns of inter- and intra-species recombination and the recombination hotspots mirror those found in both their African monocot-infecting counterparts and dicot-infecting mastrevirus. (C) 2012 Elsevier B.V. All rights reserved.

Item Type:Article
Business groups:Horticulture and Forestry Science
Additional Information:ISI Document Delivery No.: 037VE Times Cited: 2 Cited Reference Count: 57 Kraberger, Simona Thomas, John E. Geering, Andrew D. W. Dayaram, Anisha Stainton, Daisy Hadfield, James Walters, Matthew Parmenter, Kathleen S. van Brunschot, Sharon Collings, David A. Martin, Darren P. Varsani, Arvind Marsden Fund of New Zealand [UOC0903]; School of Biological Sciences (University of Canterbury, New Zealand) This work was funded by the Marsden Fund of New Zealand (UOC0903) grant awarded to Arvind Varsani. Simona Kraberger is supported by a School of Biological Sciences (University of Canterbury, New Zealand) postgraduate scholarship. Daisy Stainton is supported with a postgraduate scholarship from Marsden Fund of New Zealand (UOC0903). Elsevier science bv Amsterdam
Keywords:Mastrevirus Geminivirus Grass Recombination Australia maize-streak-virus wheat dwarf virus rolling-circle recombination patterns replicational release geminivirus genomes maximum-likelihood mosaic structure southern africa dna forms
Subjects:Science > Microbiology > Virology
Plant pests and diseases
Live Archive:03 Sep 2013 06:20
Last Modified:03 Sep 2021 16:49

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