Triticum mosaic virus Isolates in the Southern Great Plains

被引:14
作者
Fuentes-Bueno, Irazema [1 ]
Price, Jacob A. [2 ]
Rush, Charles M. [2 ]
Seifers, Dallas L. [3 ]
Fellers, John P. [1 ]
机构
[1] USDA ARS, Hard Winter Wheat Genet Res Unit, Manhattan, KS 66506 USA
[2] Texas AgriLife Res, Bushland, TX 79012 USA
[3] Kansas State Univ, Agr Res Ctr, Hays, KS 67601 USA
关键词
FAMILY POTYVIRIDAE; CURL MITE; WHEAT; VARIABILITY; IDENTIFICATION; POPULATIONS; SEQUENCE; KANSAS; VECTOR; PLANTS;
D O I
10.1094/PDIS-04-11-0281
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Fuentes-Bueno, I., Price, J. A., Rush, C. M., Seifers, D. L., and Fellers, J. P.2011. Triticum mosaic virus isolates in the southern Great Plains. Plant Dis. 95:1516-1519. In 2006, a previously unknown wheat (Triticum aestivum) virus was discovered in Western Kansas and given the name Triticum mosaic virus (TriMV). TriMV has since been found in wheat samples isolated all across the Great Plains. Even though it can infect singularly, TriMV is mostly found with Wheat streak mosaic virus (WSMV) as a co-infection. The potential for TriMV to cause economic loss is significant, but very little is known about the virus. The objective of this study was to survey the TriMV population for genetic variation by nucleotide sequencing of isolates across a geographical region. A secondary objective was to characterize the WSMV isolates that are being co-transmitted with TriMV. Fourteen different TriMV isolations were taken from locations in Texas, Oklahoma, and Kansas, and the coat protein cDNA was sequenced. Thirteen nucleotide differences were found in the TriMV isolates, of which three induce amino acid changes. WSMV isolates had 65 nucleotide changes when compared to WSMV Sydney81. Our results indicate the TriMV virus population has minimal amounts of sequence variation and no singular WSMV genotype is specifically associated with TriMV co-infection. Based on the isolates analyzed, it appears that the field population of TriMV is very homogeneous.
引用
收藏
页码:1516 / 1519
页数:4
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