Abstract
During the 2019 winter wheat season, symptoms of severe chlorosis and stunting were observed on wheat in the irrigation production areas of South Africa. RNAtag-seq data were generated for seven samples from KwaZulu-Natal province and one from Limpopo. Analysis of assembled contigs indicated the presence of a putatively novel member of the genus Tenuivirus, tentatively named "wheat yellows virus" (WhYV). The genome is made up of four segments, which are 8952, 3451, 2338, and 2045 nucleotides in length and code for a total of seven ORFs. Phylogenies of each segment (nucleotide) and the polymerase gene (amino acid), as well as amino acid sequence comparisons of each gene product, showed that WhYV is most closely related to rice stripe virus.
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