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Virologica Sinica, 21 (5) : 506-509, 2006
Brief Reports
Complete Sequence Analysis of Genomic S RNA of Capsicum chlorosis Virus Infecting Peanuts in China
1. College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2. Ministry Key Laboratory of Genetic Improvement for Oil Crops, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Wuhan 430062, China
A new tospovirus was discovered in infected peanut plants based on complete sequencing and analysis of its genomic S RNA. It was characterized as a new strain of Capsicum chlorosis virus (CaCV) and was named China peanut (CP) strain. The total sequence of S RNA of CaCV-CP was 3399 nucleotide (nt) and contained two open reading frames (ORFs) with an ambisense arrangement. ORF1 was 1320nt encoding a 49.9 kDa nonstructural (NSs) protein. ORF2 is 828nt encoding a 30.7 kDa nucleocapsid (N) protein. The N gene of CaCV-CP shared 84.7%~86.4% and 92.4%~93.1% identity with that of CaCV strains from Thailand and Australia at the nucleotide and amino acid levels, respectively. This is the first report of complete sequence of CaCV S RNA and occurrence of CaCV in China.
  Published online: 20 Sep 2006
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