Characterization of the promoter of Grapevine vein clearing virus

Grapevine vein clearing virus (GVCV) is a recently discovered DNA virus in grapevine that is closely associated with the grapevine vein clearing syndrome observed in vineyards in Missouri and surrounding states. The genome sequence of GVCV indicates that it belongs to the genus Badnavirus in the fam...

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Published inJournal of general virology Vol. 96; no. Pt 1; pp. 165 - 169
Main Authors Zhang, Y, Angel, C A, Valdes, S, Qiu, W, Schoelz, J E
Format Journal Article
LanguageEnglish
Published England 01.01.2015
Subjects
Agrobacterium tumefaciens - virology
Caulimoviridae - genetics
Caulimovirus - genetics
DNA Viruses - genetics
DNA, Viral - genetics
Missouri
Nicotiana - virology
Plant Diseases - virology
Plant Leaves - virology
Promoter Regions, Genetic - genetics
Vitis - virology
Missouri
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Summary:Grapevine vein clearing virus (GVCV) is a recently discovered DNA virus in grapevine that is closely associated with the grapevine vein clearing syndrome observed in vineyards in Missouri and surrounding states. The genome sequence of GVCV indicates that it belongs to the genus Badnavirus in the family Caulimoviridae. To identify the GVCV promoter, we cloned portions of the GVCV large intergenic region in front of a GFP gene present in an Agrobacterium tumefaciens binary vector. GFP expression was assessed by ELISA 3 days after agroinfiltration of Nicotiana benthamiana leaves. We found that the GVCV DNA segment between nts 7332 and 7672 directed expression of GFP and this expression was stronger than expression using the Cauliflower mosaic virus 35S promoter. It was revealed by 5' and 3' RACE that transcription was initiated predominantly at nt 7571 and terminated at nt 7676.
Bibliography:ObjectType-Article-1
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ISSN:0022-1317
1465-2099
DOI:10.1099/vir.0.069286-0