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Paspalum striate mosaic virus: an Australian mastrevirus from Paspalum dilatatum.

Geering, Andrew D W; Thomas, John E; Holton, Timothy; Hadfield, James; Varsani, Arvind.
Arch Virol; 157(1): 193-7, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22009055
Three monocot-infecting mastreviruses from Australia, all found primarily in pasture and naturalised grasses, have been characterised at the molecular level. Here, we present the full genome sequence of a fourth, Paspalum striate mosaic virus (PSMV), isolated from Paspalum dilatatum from south-east Queensland. The genome was 2816 nt long and had an organisation typical of other monocot-infecting mastreviruses. Its nearest relative is Bromus cartharticus striate mosaic virus (BCSMV), with which it shares an overall genome identity of 75%. Phylogenetic analysis of the complete genome and each of the putative viral proteins places PSMV in a group with the other three Australian striate mosaic viruses. PSMV, BCSMV and Digitaria didactyla striate mosaic virus all contain a similar, small recombinant sequence in the small intergenic region.
Selo DaSilva