Abstract
Two isolates of Capsicum chlorosis virus (CaCV, genus Tospovirus) from tomato (CaCV-To-Ind) and chilli (CaCV-Ch-Pan), collected from Haryana and Uttar Pradesh states of northern India respectively, were compared. A comparison of the amino acid sequences of their N genes revealed more than 96% identity, confirming that the virus isolates in India have a high degree of sequence conservation and are closely related to Australian isolates. Analysis of the host range of CaCV revealed no biological difference between the isolates, but they differed from CaCV-Australia. The nucleotide sequences of S, M and L RNA of CaCV-Ch-Pan were determined. The S RNA contains 3,105 nucleotides (nt), with NSs and N genes of 1,320 and 828 nt, respectively. The M RNA consists of 4,821 nt, with an NSm gene of 927 nt and a Gn/Gc gene of 3,366 nt. The intergenic regions of S and M RNA contain 824 and 425 nt, respectively. The L RNA consists of 8,912 nt, with an RNA-dependent RNA polymerase gene of 8,634 nt.
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