Nonregulated expression of TGBp3 of hordei-like viruses but not of potex-like viruses inhibits beet necrotic yellow vein virus cell-to-cell movement

Nonregulated expression of TGBp3 of hordei-like viruses but not of potex-like viruses inhibits... Plant viruses containing a Triple Gene Block (TGB) movement protein gene cassette fall into two classes. We have shown previously that the third TGB protein (TGBp3) of beet necrotic yellow vein virus (BNYVV; Class 1) and peanut clump virus (Class 1) inhibit BNYVV intercellular movement when expressed from a co-inoculated BNYVV RNA 3-based replicon. Here we show that autonomous expression of TGBp3’s of four other Class 1 viruses of various genera also inhibits BNYVV movement. No such effect was observed for four Class 2 virus TGBp3’s, suggesting that the roles of Class 1 and 2 TGBp3’s in movement differ significantly. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Nonregulated expression of TGBp3 of hordei-like viruses but not of potex-like viruses inhibits beet necrotic yellow vein virus cell-to-cell movement

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Publisher
Springer-Verlag
Copyright
Copyright © 2005 by Springer-Verlag/Wien
Subject
Biomedicine; Medical Microbiology; Virology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-005-0516-y
Publisher site
See Article on Publisher Site

Abstract

Plant viruses containing a Triple Gene Block (TGB) movement protein gene cassette fall into two classes. We have shown previously that the third TGB protein (TGBp3) of beet necrotic yellow vein virus (BNYVV; Class 1) and peanut clump virus (Class 1) inhibit BNYVV intercellular movement when expressed from a co-inoculated BNYVV RNA 3-based replicon. Here we show that autonomous expression of TGBp3’s of four other Class 1 viruses of various genera also inhibits BNYVV movement. No such effect was observed for four Class 2 virus TGBp3’s, suggesting that the roles of Class 1 and 2 TGBp3’s in movement differ significantly.

Journal

Archives of VirologySpringer Journals

Published: Jul 1, 2005

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