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Updated: Oct 4, 2025

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
Complete genome sequence of a novel virga-like virus infecting Hevea brasiliensis
Sixi Chen1, Fengjuan Yu1, Zhaotong Li1
1Natural Rubber Cooperative Innovation Center of Hainan Province and Ministry of Education of PRC, College of Tropical Crops, Hainan University, Haikou, 570228, Hainan, People's Republic of China.
Abstract:
Here, we report the complete genome sequence and organization of a novel virus detected in rubber trees (Hevea brasiliensis). Because the infected plants were asymptomatic, this virus was tentatively named "rubber tree latent virus 1" (RTLV1). The full genome of RTLV1 is 9,422 nt in length and contains three open reading frames with a 157-nt 5' untranslated region (UTR) and a 316-nt 3' UTR. The replicase shares the highest amino acid (aa) sequence identity (32.62%), with only 31% query coverage, with the replicase of Hubei virga-like virus 11. Phylogenetic analysis based on the aa sequence of ORF1 showed that RTLV1 clustered with unclassified members of the family Virgaviridae in a clade that was not closely related to any genus in this family.
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