Wheat streak mosaic virus genotypes introduced to Argentina are closely related to isolates from the American Pacific Northwest and Australia |
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| Authors: | Drake C. Stenger and Roy French |
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| Affiliation: | (1) United States Department of Agriculture, Agricultural Research Service, 344 Keim Hall, University of Nebraska, Lincoln, NE 68583, USA;(2) Present address: USDA-ARS, San Joaquin Valley Agricultural Sciences Center, 9611 South Riverbend Road, Parlier, CA 93648, USA |
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| Abstract: | Wheat streak mosaic virus (WSMV) was first detected in Argentina in 2002. Comparison of 78 WSMV coat protein sequences revealed that three Argentine isolates were closely related to isolates from the American Pacific Northwest (APNW) and Australia. Complete sequences were determined for one Argentine isolate, four APNW isolates, and three additional isolates from other regions of the USA. Comparison of these eight new sequences with five previously sequenced isolates of WSMV confirmed close affinity of WSMV from Argentina with APNW isolates. Collectively, these results indicate concurrent establishment of the same WSMV lineage in both Argentina and Australia. |
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