Improved expression of recombinant GFP using a replicating vector based on Beet curly top virus in leaf-disks and infiltrated Nicotiana benthamiana leaves

Improved expression of recombinant GFP using a replicating vector based on Beet curly top virus... Recombinant green fluorescent protein (GFP) with a molecular mass of 29 kDa was transiently expressed in Agrobacterium-inoculated leaf-disks prepared from Nicotiana benthamiana plants. Expression of GFP from the Cauliflower mosaic virus (CaMV) 35 S promoter within a replicating vector based on the geminivirus Beet curly top virus (BCTV) was more than 3 times higher than from a control, non-replicating vector. Use of the Cassava vein mosaic virus (CsVMV) promoter in the BCTV replicating vector increased the expression of recombinant GFP 320% at the transcript level, compared to use of the control CaMV 35 S promoter. Expression of recombinant GFP from Agrobacterium-inoculated leaf-disks of N. benthamiana was further enhanced up to 240% in the presence of post-transcriptional gene silencing suppressor p19. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Improved expression of recombinant GFP using a replicating vector based on Beet curly top virus in leaf-disks and infiltrated Nicotiana benthamiana leaves

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Publisher
Springer Journals
Copyright
Copyright © 2007 by Springer Science+Business Media B.V.
Subject
Life Sciences; Plant Pathology; Biochemistry, general; Plant Sciences
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1007/s11103-007-9137-z
Publisher site
See Article on Publisher Site

Abstract

Recombinant green fluorescent protein (GFP) with a molecular mass of 29 kDa was transiently expressed in Agrobacterium-inoculated leaf-disks prepared from Nicotiana benthamiana plants. Expression of GFP from the Cauliflower mosaic virus (CaMV) 35 S promoter within a replicating vector based on the geminivirus Beet curly top virus (BCTV) was more than 3 times higher than from a control, non-replicating vector. Use of the Cassava vein mosaic virus (CsVMV) promoter in the BCTV replicating vector increased the expression of recombinant GFP 320% at the transcript level, compared to use of the control CaMV 35 S promoter. Expression of recombinant GFP from Agrobacterium-inoculated leaf-disks of N. benthamiana was further enhanced up to 240% in the presence of post-transcriptional gene silencing suppressor p19.

Journal

Plant Molecular BiologySpringer Journals

Published: Feb 9, 2007

References

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