Evidence for a third taxonomic subgroup of peanut stunt virus from China

Xu, ZY, Higgins, CM, Chen, KR, Dietzgen, RG, Zhang, ZY, Yang, LY and Fang, XP (1998) Evidence for a third taxonomic subgroup of peanut stunt virus from China. Plant Disease, 82 9: 992-998. doi:10.1094/PDIS.1998.82.9.992

Author Xu, ZY
Higgins, CM
Chen, KR
Dietzgen, RG
Zhang, ZY
Yang, LY
Fang, XP
Title Evidence for a third taxonomic subgroup of peanut stunt virus from China
Journal name Plant Disease   Check publisher's open access policy
ISSN 0191-2917
Publication date 1998-09-01
Year available 1998
Sub-type Article (original research)
DOI 10.1094/PDIS.1998.82.9.992
Open Access Status DOI
Volume 82
Issue 9
Start page 992
End page 998
Total pages 7
Place of publication ST PAUL
Language eng
Subject 1102 Agronomy and Crop Science
1110 Plant Science
Abstract On the basis of host reactions and serology, six Chinese peanut stunt virus (PSV) strains were found to be distinct from PSV-E and PSV-W, two type strains representing distinct serological subgroups. Chinese PSV strains were characterized by infecting Chenopodium amaranticolor and C. quinoa systemically. All Chinese strains were serologically closely related to each other, but distinct from PSV-E and more distant from PSV-W. Using two PSV-specific primers designed from conserved regions of the PSV RNAS nucleotide sequence, cDNA transcribed from RNA3 of two Chinese PSV strains, Mi and S, was amplified by PCR and cloned. The sequenced cDNA of the two PSV strains included 654 nt of the coat protein (CP) gene. The identity of the CP gene nucleotide sequence between PSV-Mi and PSV-S was 99.0%, with 99.5% amino acid identity. Identity of the CP gene nucleotide sequence was 75.6 to 77.8% between PSV-Mi and -S (the two Chinese strains) and PSV-ER and -J in PSV subgroup I; and 74.1 to 74.4% between PSV-Mi and -S, and PSV-W in subgroup II. Based on these results, we propose placing PSV Chinese strains into a new PSV subgroup III.
Keyword coat protein gene
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Biological Sciences Publications
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