Plant Science and Entomology Unit, USDA-ARS, Manhattan, KS, 66506, USA, john.fellers@ars.usda.gov.
The genome of Triticum mosaic virus (TriMV), a recently discovered mite-transmitted wheat potyvirus, was sequenced, characterized, and compared to other members of the family Potyviridae. TriMV has a single mRNA strand of 10,266 nucleotides with a predicted polyprotein consisting of 3,112 peptides. Protein alignments of the coat protein demonstrate that TriMV has 45.9% identity to Sugarcane streak mosaic virus strain AP (SCSMV-AP), but shares only 23.2% identity to Wheat streak mosaic virus. Although TriMV is mite-transmitted and could be placed in the genus Tritimovirus, it is significantly divergent and should be placed in the newly proposed genus Susmovirus.
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