Abstract:
: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.
journal_name
Virus Resjournal_title
Virus researchauthors
Kraberger S,Thomas JE,Geering AD,Dayaram A,Stainton D,Hadfield J,Walters M,Parmenter KS,van Brunschot S,Collings DA,Martin DP,Varsani Adoi
10.1016/j.virusres.2012.07.018subject
Has Abstractpub_date
2012-10-01 00:00:00pages
127-36issue
1eissn
0168-1702issn
1872-7492pii
S0168-1702(12)00284-5journal_volume
169pub_type
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