Peanut yellow spot virus is a member of a new serogroup of Tospovirus genus based on small (S) RNA sequence and organization

Archives of Virology
T SatyanarayanaD V Reddy

Abstract

Peanut yellow spot virus (PYSV) represents a distinct tospovirus species based on serology and nucleic acid hybridization. THe sequence of the S RNA was 2970 nucleotides with 22 nucleotide long inverted repeats (with three mismatches) at the termini. The coding was ambisense with a long open reading frame (ORF) in each strand. The 5'-large ORF (1,400 nucleotides in the viral sense (v) strand) encoded a protein with a predicted size of 53.2 kDa that was identified as the nonstructural (NSs) protein based on 16-21% sequence identity and 42-48% sequence similarity with other tospoviruses. A 3' ORF (741 nucleotides) in the virus complementary (vc) sense encoded a 28.0 kDa protein that was identified as the nucleocapsid (N) gene based on immuno-blot analysis of the in vitro expressed protein with PYSV polyclonal antiserum. The predicted N protein had 24-28% amino acid sequence identity and 44-51% sequence similarity with the members of other serogroups. In contrast to other tospoviruses, a third ORF (204 nucleotides) occurred in the vc strand, which could encode a protein with a predicted size of 7.5 kDa with two strong hydrophobic regions. The low degree of homology of N and NSs protein sequences with other serogroup members couple...Continue Reading

Citations

Jan 12, 2008·Archives of Virology·Pissawan ChiemsombatPreyapan Pongsapich
Mar 6, 2008·Archives of Virology·Jia-Hong DongZhong-Kai Zhang
Nov 26, 2010·Archives of Virology·Channarong SeepibanSupat Attathom
Aug 2, 2000·Journal of Virological Methods·C A RobertsD J Maclean
Apr 22, 2003·Annual Review of Phytopathology·A K CulbreathS L Brown
Nov 21, 2015·Saudi Journal of Biological Sciences·Sayed Sartaj SohrabM K Pande
Feb 9, 2011·Phytopathology·Suresh R KunkalikarKankanallu S Ravi
Oct 13, 2020·Frontiers in Microbiology·Nicolás BejermanRalf G Dietzgen

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