An onion isolate of tobacco rattle virus: reactivity with anantiserum to Hypochoeris mosaic virus, a putative furovirus, and molecular analysis of its RNA 2

An onion isolate of tobacco rattle virus: reactivity with anantiserum to Hypochoeris mosaic... A tubular virus from onion was found to react with an antiserum to Hypochoeris mosaic virus (HyMV), a putative furovirus. Sequence analysis of its genomic RNAs and further serological tests, however, indicated it to be a tobravirus rather than a furovirus. The reactivity of the HyMV antiserum with several isolates of tobacco rattle virus (TRV) suggests that HyMV itself may be a tobravirus. The deduced amino acid sequences of the putative proteins encoded on RNA 2 of the onion virus isolate (ON) suggest close evolutionary relationships to the TRV isolate TCM from tulip. However, RNA 2 of the ON isolate contains a shorter RNA 1-like sequence on its 3′-end and an additional small ORF upstream of its RNA 1-like part. The sequence of its 315 5′-terminal nucleotides is more similar to that of RNA 2 of the PLB isolate from potato than to that of TCM RNA 2 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

An onion isolate of tobacco rattle virus: reactivity with anantiserum to Hypochoeris mosaic virus, a putative furovirus, and molecular analysis of its RNA 2

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Publisher
Springer-Verlag
Copyright
Copyright © Wien by 1998 Springer-Verlag/
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050050354
Publisher site
See Article on Publisher Site

Abstract

A tubular virus from onion was found to react with an antiserum to Hypochoeris mosaic virus (HyMV), a putative furovirus. Sequence analysis of its genomic RNAs and further serological tests, however, indicated it to be a tobravirus rather than a furovirus. The reactivity of the HyMV antiserum with several isolates of tobacco rattle virus (TRV) suggests that HyMV itself may be a tobravirus. The deduced amino acid sequences of the putative proteins encoded on RNA 2 of the onion virus isolate (ON) suggest close evolutionary relationships to the TRV isolate TCM from tulip. However, RNA 2 of the ON isolate contains a shorter RNA 1-like sequence on its 3′-end and an additional small ORF upstream of its RNA 1-like part. The sequence of its 315 5′-terminal nucleotides is more similar to that of RNA 2 of the PLB isolate from potato than to that of TCM RNA 2

Journal

Archives of VirologySpringer Journals

Published: Jun 1, 1998

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