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Arch Virol. 2012 Sep;157(9):1815-9. doi: 10.1007/s00705-012-1333-8. Epub 2012 May 22.

Complete nucleotide sequence of a new strain of grapevine leafroll-associated virus 3 in South Africa.

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  • 1Department of Genetics, Stellenbosch University, Private Bag X1, Matieland, Stellenbosch 7602, South Africa.


The complete genome sequences of two newly identified genetic variants of grapevine leafroll-associated virus 3 (GLRaV-3) are described. Two isolates, GH11 (18671 nt) and GH30 (18576 nt) were sequenced and found to be less than 70 % similar to other South African GLRaV-3 variants. The genome organization of GH11 and GH30 is similar to that of previously described GLRaV-3 isolates. However, no corresponding open reading frame 2 (ORF2) could be identified. Phylogenetic analysis indicates that GH11 and GH30 cluster in a subgroup (group VI) that is separate from the previously described GLRaV-3 isolates and should be regarded as a different strain of GLRaV-3.

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