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Unusual features of pomoviral RNA movement

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Frontiers_Microbiology_Torrance_L.pdf (1.581Mb)
Date
22/12/2011
Author
Torrance, Lesley
Wright, Kathryn M
Crutzen, Francois
Cowan, Graham H
Lukhovitskaya, Nina I
Bragard, Claude
Savenkov, Eugene I
Keywords
Pomovirus
PMTV
BVQ
Nucleus
Nucleolus
Microtubules
TGB
QR355 Virology
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Abstract
Potato mop-top pomovirus (PMTV) is one of a few viruses that can move systemically in plants in the absence of the capsid protein (CP). Pomoviruses encode the triple gene block genetic module of movement proteins (TGB 1, 2, and 3) and recent research suggests that PMTV RNA is transported either as ribonucleoprotein (RNP) complexes containing TGB1 or encapsidated in virions containing TGB1. Furthermore, there are different requirements for local or systemic (long-distance) movement. Research suggests that nucleolar passage of TGB1 may be important for the long-distance movement of both RNP and virions. Moreover, and uniquely, the long-distance movement of the CP-encoding RNA requires expression of both major and minor CP subunits and is inhibited when only the major CP sub unit is expressed. This paper reviews pomovirus research and presents a current model for RNA movement.
Citation
Torrance , L , Wright , K M , Crutzen , F , Cowan , G H , Lukhovitskaya , N I , Bragard , C & Savenkov , E I 2011 , ' Unusual features of pomoviral RNA movement ' , Frontiers in Microbiology , vol. 2 , 259 . https://doi.org/10.3389/fmicb.2011.00259
Publication
Frontiers in Microbiology
Status
Peer reviewed
DOI
https://doi.org/10.3389/fmicb.2011.00259
ISSN
1664-302X
Type
Journal article
Rights
Copyright: © 2011 Torrance, Wright, Crutzen, Cowan, Lukhovitskaya, Bragard and Savenkov. This is an open-access article distributed under the terms of the Creative Commons Attribution Non Commercial License, which permits non-commercial use, distribution, and reproduction in other forums, provided the original authors and source are credited.
Description
This work is partially supported by the Scottish Government’s Rural and Environment Science and Analytical Services (RESAS) Division
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/3329

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