Molecular characterization of a new tobacco rattle virus (TRV) RNA2 and identification of different TRV RNA1/RNA2 pairings in various potato-growing areas in Germany
The almost complete nucleotide sequences lacking only the short primer-derived 5’ and 3’ ends were determined for two closely related isolates of a new tobacco rattle virus (TRV) RNA2, i.e., ByKT (Bav)-2 and ByKT (LS)-2. These isolates originated from corky-ringspot-affected potato-growing areas in southern Germany (Bavaria) and northern central Germany (Lower Saxony), respectively, where they were associated with distinct supporting TRV RNA1s. In potatoes in other parts of Germany, TRV RNA2s closely related to TRV TpO1 RNA2 were identified. They, too, were associated with distinct TRV RNA1s in different parts of the country.
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