Sequence diversity in the coat protein coding region of the genome RNA of Johnsongrass mosaic virus in Australia

2004 ◽  
Vol 149 (8) ◽  
Author(s):  
H. K. C. Laidlaw ◽  
D. M. Persley ◽  
C. K. Pallaghy ◽  
I. D. Godwin
Keyword(s):  
Coat Protein ◽  
Mosaic Virus ◽  
Sequence Diversity ◽  
Coding Region ◽  
Protein Coding

Nucleotide sequence of the coat protein coding region of the potyvirus tobacco vein-banding mosaic virus

1994 ◽  
Vol 138 (1-2) ◽  
pp. 17-25 ◽  
Author(s):  
B. -Y. Chang ◽  
C. R. Huang ◽  
S. -D. Yeh ◽  
J. -K. Chiang ◽  
L. -M. Hung ◽  
...  
Keyword(s):  
Nucleotide Sequence ◽  
Coat Protein ◽  
Mosaic Virus ◽  
Coding Region ◽  
Protein Coding

Sequence Diversity in the Coat Protein Coding Region of Wheat Yellow Mosaic Bymovirus Isolates from China

2000 ◽  
Vol 148 (9-10) ◽  
pp. 515-521 ◽  
Author(s):  
J. Chen ◽  
J. Chen ◽  
J. Du ◽  
M. J. Adams
Keyword(s):  
Coat Protein ◽  
Sequence Diversity ◽  
Coding Region ◽  
Protein Coding

Sequence diversity in the coat protein coding region of twelve sugarcane mosaic potyvirus isolates from Australia, USA and South Africa

1998 ◽  
Vol 143 (6) ◽  
pp. 1145-1153 ◽  
Author(s):  
J. A. Handley ◽  
G. R. Smith ◽  
J. L. Dale ◽  
R. M. Harding
Keyword(s):  
South Africa ◽  
Coat Protein ◽  
Sequence Diversity ◽  
Coding Region ◽  
Protein Coding

Genetic diversity in the coat protein coding region of eighty-six sugarcane mosaic virus isolates from eight countries, particularly from Cameroon and Congo

2003 ◽  
Vol 148 (2) ◽  
pp. 357-372 ◽  
Author(s):  
O. M. Alegria ◽  
M. Royer ◽  
M. Bousalem ◽  
M. Chatenet ◽  
M. Peterschmitt ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Coat Protein ◽  
Mosaic Virus ◽  
Sugarcane Mosaic Virus ◽  
Coding Region ◽  
Protein Coding ◽  
Virus Isolates

scholarly journals The Infectivities of Turnip Yellow Mosaic Virus Genomes with Altered tRNA Mimicry Are Not Dependent on Compensating Mutations in the Viral Replication Protein

2000 ◽  
Vol 74 (18) ◽  
pp. 8368-8375 ◽  
Author(s):  
Sergei A. Filichkin ◽  
Kay L. Bransom ◽  
Joel B. Goodwin ◽  
Theo W. Dreher
Keyword(s):  
Mosaic Virus ◽  
Replication Protein ◽  
Yellow Mosaic Virus ◽  
Turnip Yellow Mosaic Virus ◽  
Wild Type ◽  
Coding Region ◽  
Protein Coding ◽  
Complete Sequencing ◽  
Strand Initiation ◽  
Virus Genomes

ABSTRACT Five highly infectious turnip yellow mosaic virus (TYMV) genomes with sequence changes in their 3′-terminal regions that result in altered aminoacylation and eEF1A binding have been studied. These genomes were derived from cloned parental RNAs of low infectivity by sequential passaging in plants. Three of these genomes that are incapable of aminoacylation have been reported previously (J. B. Goodwin, J. M. Skuzeski, and T. W. Dreher, Virology 230:113–124, 1997). We now demonstrate by subcloning the 3′ untranslated regions into wild-type TYMV RNA that the high infectivities and replication rates of these genomes compared to their progenitors are mostly due to a small number of mutations acquired in the 3′ tRNA-like structure during passaging. Mutations in other parts of the genome, including the replication protein coding region, are not required for high infectivity but probably do play a role in optimizing viral amplification and spread in plants. Two other TYMV RNA variants of suboptimal infectivities, one that accepts methionine instead of the usual valine and one that interacts less tightly with eEF1A, were sequentially passaged to produce highly infectious genomes. The improved infectivities of these RNAs were not associated with increased replication in protoplasts, and no mutations were acquired in their 3′ tRNA-like structures. Complete sequencing of one genome identified two mutations that result in amino acid changes in the movement protein gene, suggesting that improved infectivity may be a function of improved viral dissemination in plants. Our results show that the wild-type TYMV replication proteins are able to amplify genomes with 3′ termini of variable sequence and tRNA mimicry. These and previous results have led to a model in which the binding of eEF1A to the 3′ end to antagonize minus-strand initiation is a major role of the tRNA-like structure.

Sequence diversity in the coat protein and 3?-untranslated region of Chinese yam necrotic mosaic virus RNA

2003 ◽  
Vol 69 (6) ◽  
pp. 397-399 ◽  
Author(s):  
Toru Kondo ◽  
Dong-Kyoon Kang ◽  
Shin-ichi Fuji ◽  
Moo-Ung Chang
Keyword(s):  
Coat Protein ◽  
Mosaic Virus ◽  
Untranslated Region ◽  
Sequence Diversity ◽  
Chinese Yam ◽  
Virus Rna
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