Characterization and Complete Nucleotide Sequence of Two Isolates of Tomato mosaic virus
文献类型: 外文期刊
第一作者: Hu, Qiong
作者: Hu, Qiong;Xue, Chaoyang;Zhou, Xueping;Jiang, Tong
作者机构:
关键词: Tomato mosaic virus;characterization;nucleotide sequence;China
期刊名称:JOURNAL OF PHYTOPATHOLOGY ( 影响因子:1.789; 五年影响因子:1.574 )
ISSN: 0931-1785
年卷期: 2012 年 160 卷 3 期
页码:
收录情况: SCI
摘要: Two virus isolates, designated S1 and TL, were obtained from tomato and camellia root in China, respectively, and their host ranges, symptomatology, serological reactions and complete nucleotide sequences were determined. Isolate TL systemically infected Chenopodium amaranticolor causing leaf chlorosis, but the isolate S1 induced only local necrotic lesions. The complete nucleotide sequences of S1 and TL were determined and consisted of 6384 and 6383 nucleotides (Genbank accessions AJ132845 and AJ417701), respectively. Sequence analysis revealed that both isolates have the highest nucleotide sequence identity (over 92%) with Tomato mosaic virus (ToMV), but less (80%) with other tobamoviruses. Phylogenetic analyses based on the amino acid sequences of 30-kD and 17.5-kD proteins also indicated that both the isolates form a cluster with the isolates of ToMV. These data suggest that S1 and TL are isolates of ToMV. The possible reasons that TL infected C.similar to amaranticolor systemically but S1 induced only local necrotic lesions are discussed.
分类号: Plant Sciences
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