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A tobamovirus expression vector for agroinfection of legumes and Nicotiana

Paper ID Volume ID Publish Year Pages File Format Full-Text
24158 43502 2010 9 PDF Available
Title
A tobamovirus expression vector for agroinfection of legumes and Nicotiana
Abstract

The highest recombinant protein expression levels in plants have been achieved using tobacco mosaic virus (TMV) vectors via agroinoculation of the tobacco, Nicotiana benthamiana. These vectors have been utilized for pharmaceutical protein production and also can serve as rapid gene expression screens for proteonomics. We have constructed a similar vector based on the legume-infecting tobamovirus, sunn hemp mosaic virus (SHMV), by deleting the coat protein gene (SHMV eliminate coat protein gene or SHEC). SHEC/GFP co-agroinoculated with a 35S/p19 binary yielded 600 μg GFP/gfw (25% TSP) in N. benthamiana. In the absence of p19, SHEC/GFP expression was nearly eliminated. SHEC also yielded strong GUS production in agroinoculated Medicago trunculata, Pinto bean, cowpea, pea and lentil even without the aid of systemic infection. A full-length version (SHAC, SHMV alternate coat protein) was created by adding to SHEC the coat protein subgenomic promoter and ORF from the tobamovirus, tobacco mild green mottle virus (TMGMV). SHAC induced a slowly developing, symptomless infection of N. benthamiana and may be of use as a virus induced gene silencing (VIGS) vector.

Keywords
Viral vector; Nicotianabenthamiana; Phaseolus; Vigna; Agroinoculation; Protein expression
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A tobamovirus expression vector for agroinfection of legumes and Nicotiana
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 147, Issues 3–4, June 2010, Pages 151–159
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us