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Evidence that whitefly-transmitted cowpea mild mottle virus belongs to the genus Carlavirus

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Relation http://oar.icrisat.org/1695/
 
Title Evidence that whitefly-transmitted cowpea mild mottle virus belongs to the genus Carlavirus
 
Creator Naidu, R A
Gowda, S
Satyanarayana, T
Boyko, V
Reddy, A S
Dawson, W O
Reddy, D V R
 
Subject Agriculture-Farming, Production, Technology, Economics
 
Description Two strains of whitefly-transmitted cowpea mild mottle virus (CPMMV) causing severe (CPMMV-S) and mild (CPMMV-M) disease symptoms in groundnuts were collected from 2 distinct agro-ecological zones in India. The host-range of these strains was restricted to Leguminosae and Chenopodiaceae, and each could be distinguished on the basis of symptoms incited in different hosts. The 3'-terminal 2500 nucleotide sequence of the genomic RNA of both the strains was 70% identical and contained 5 open reading frames (ORFs). The first three (P25, P12 and P7) overlapped to form a triple gene block of proteins, P32 encoded the coat protein, followed by P12 protein located at the 3' end of the genome. Genome organization and pair-wise comparisons of amino acid sequences of proteins encoded by these ORFs with corresponding proteins of known carlaviruses and potexviruses suggested that CPMMV-S and CPMMV-M are closely related to viruses in the genus Carlavirus. Based on the data, it is concluded that CPMMV is a distinct species in the genus Carlavirus.
 
Publisher Springer Verlag
 
Date 1998
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/1695/1/ArchViro143%284%29769-780.pdf
Naidu, R A and Gowda, S and Satyanarayana, T and Boyko, V and Reddy, A S and Dawson, W O and Reddy, D V R (1998) Evidence that whitefly-transmitted cowpea mild mottle virus belongs to the genus Carlavirus. Archives of Virology, 143 (4). pp. 769-780.