A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California
<p>Abstract</p> <p>Background</p> <p>Grapevine leafroll-associated viruses are a problem for grape production globally. Symptoms are caused by a number of distinct viral species. During a survey of Napa Valley vineyards (California, USA), we found evidence of a new vari...
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doaj-24f73d9936dd4f9b98b156a3771e45302020-11-24T23:16:16ZengBMCVirology Journal1743-422X2012-10-019123510.1186/1743-422X-9-235A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in CaliforniaSeah YeeMeySharma Abhineet MZhang SimingAlmeida Rodrigo PPDuffy Siobain<p>Abstract</p> <p>Background</p> <p>Grapevine leafroll-associated viruses are a problem for grape production globally. Symptoms are caused by a number of distinct viral species. During a survey of Napa Valley vineyards (California, USA), we found evidence of a new variant of <it>Grapevine leafroll-associated virus 3</it> (GLRaV-3). We isolated its genome from a symptomatic greenhouse-raised plant and fully sequenced it.</p> <p>Findings</p> <p>In a maximum likelihood analysis of representative GLRaV-3 gene sequences, the isolate grouped most closely with a recently sequenced variant from South Africa and a partial sequence from New Zealand. These highly divergent GLRaV-3 variants have predicted proteins that are more than 10% divergent from other GLRaV-3 variants, and appear to be missing an open reading frame for the p6 protein.</p> <p>Conclusions</p> <p>This divergent GLRaV-3 phylogroup is already present in grape-growing regions worldwide and is capable of causing symptoms of leafroll disease without the p6 protein.</p> http://www.virologyj.com/content/9/1/235AmpelovirusWineMealybug |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Seah YeeMey Sharma Abhineet M Zhang Siming Almeida Rodrigo PP Duffy Siobain |
spellingShingle |
Seah YeeMey Sharma Abhineet M Zhang Siming Almeida Rodrigo PP Duffy Siobain A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California Virology Journal Ampelovirus Wine Mealybug |
author_facet |
Seah YeeMey Sharma Abhineet M Zhang Siming Almeida Rodrigo PP Duffy Siobain |
author_sort |
Seah YeeMey |
title |
A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California |
title_short |
A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California |
title_full |
A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California |
title_fullStr |
A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California |
title_full_unstemmed |
A divergent variant of <it>Grapevine leafroll-associated virus 3</it> is present in California |
title_sort |
divergent variant of <it>grapevine leafroll-associated virus 3</it> is present in california |
publisher |
BMC |
series |
Virology Journal |
issn |
1743-422X |
publishDate |
2012-10-01 |
description |
<p>Abstract</p> <p>Background</p> <p>Grapevine leafroll-associated viruses are a problem for grape production globally. Symptoms are caused by a number of distinct viral species. During a survey of Napa Valley vineyards (California, USA), we found evidence of a new variant of <it>Grapevine leafroll-associated virus 3</it> (GLRaV-3). We isolated its genome from a symptomatic greenhouse-raised plant and fully sequenced it.</p> <p>Findings</p> <p>In a maximum likelihood analysis of representative GLRaV-3 gene sequences, the isolate grouped most closely with a recently sequenced variant from South Africa and a partial sequence from New Zealand. These highly divergent GLRaV-3 variants have predicted proteins that are more than 10% divergent from other GLRaV-3 variants, and appear to be missing an open reading frame for the p6 protein.</p> <p>Conclusions</p> <p>This divergent GLRaV-3 phylogroup is already present in grape-growing regions worldwide and is capable of causing symptoms of leafroll disease without the p6 protein.</p> |
topic |
Ampelovirus Wine Mealybug |
url |
http://www.virologyj.com/content/9/1/235 |
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