Plant Pathol J > Volume 25(1); 2009 > Article
The Plant Pathology Journal 2009;25(1):26-37.
DOI:    Published online March 31, 2009.
Biological Characteristics and Nucleotide Relationships in Korean Tomato spotted wilt virus Isolates
Jeom Deog Cho, Jeong Soo Kim, Jin Young Kim, Gug Seoun Choi, Bong Nan Chung
Tomato spotted wilt virus (TSWV) was identified from seven plants at two areas, Anyang and Dangjin, in Korea. The isolates of TSWV were seven as TSWVKATm from tomato, TSWV-KAPo from potato, TSWVKABal from balsam, TSWV-KACTm from cherry tomato and TSWV-KAIxe from Ixeris dentata at Anyang area, and TSWV-KDSe from sesame and TSWV-KDRP from red pepper at Dangjin area. Pathogenicity of seven TSWV isolates was various on the assay plants, and could not be grouped definitely. Three isolates of TSWVKAIxe, TSWV-KACTm and TSWV-KABal had relatively narrower host ranges among the seven isolates. Percentage of nucleotide substitution in nucleotide sequences encoding nucleocapsid protein (NCP) was 1.2-1.7% among seven TSWV isolates and TSWV-KP. Korean TSWV isolates were divided into three groups by nucleotide homology or amino acid compositions. From the analysis of nucleotide sequences of Korean TSWV isolates compared with those of TSWV reported from other 5 countries including Japan, the Korean seven isolates of TSWV was grouped with German TSWV (D13926). No Korean TSWV isolates were grouped with those from The Netherlands, Brazil and USA.
Key Words: Biological characteristic, Nucleotide sequence, Tomato spotted wilt virus

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