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Wheat streak mosaic virus genotypes introduced to Argentina are closely related to isolates from the American Pacific Northwest and Australia

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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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Acknowledgments

We thank G. Truol for kindly providing WSMV isolates Arg1, Arg2, and Arg3, and Kathryn Stenberg and Brock Young for technical assistance. Mention of proprietary or brand names is necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by USDA implies no approval to the exclusion of others that also may be suitable. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of source.

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  1. Drake C. Stenger

    Present address: USDA-ARS, San Joaquin Valley Agricultural Sciences Center, 9611 South Riverbend Road, Parlier, CA, 93648, USA

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  1. United States Department of Agriculture, Agricultural Research Service, 344 Keim Hall, University of Nebraska, Lincoln, NE, 68583, USA

    Drake C. Stenger & Roy French

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  1. Drake C. Stenger
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  2. Roy French
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Correspondence to Drake C. Stenger.

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Stenger, D.C., French, R. Wheat streak mosaic virus genotypes introduced to Argentina are closely related to isolates from the American Pacific Northwest and Australia. Arch Virol 154, 331–336 (2009). https://doi.org/10.1007/s00705-008-0297-1

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