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Triple gene block: modular design of a multifunctional machine for plant virus movement.
Many plant virus genera encode a 'triple gene block' (TGB), a specialized evolutionarily conserved gene module involved in the cell-to-cell and long-distance movement of viruses. The TGB-basedExpand
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Cell-to-cell movement of potato potexvirus X is dependent on suppression of RNA silencing.
RNA silencing in transgenic and virus-infected plants involves a mobile silencing signal that can move cell-to-cell and systemically through the plant. It is thought that this signal can influenceExpand
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Subcellular sorting of small membrane-associated triple gene block proteins: TGBp3-assisted targeting of TGBp2.
We studied subcellular distribution of green fluorescent protein (GFP)-tagged movement proteins encoded by the second and the third genes of poa semilatent hordeivirus (PSLV) triple gene block (TGB),Expand
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Varied movement strategies employed by triple gene block-encoding viruses.
Several RNA virus genera belonging to the Virgaviridae and Flexiviridae families encode proteins organized in a triple gene block (TGB) that facilitate cell-to-cell and long-distance movement. TheExpand
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Long-Distance Movement, Virulence, and RNA Silencing Suppression Controlled by a Single Protein in Hordei- and Potyviruses: Complementary Functions between Virus Families
ABSTRACT RNA silencing is a natural defense mechanism against genetic stress factors, including viruses. A mutant hordeivirus (Barley stripe mosaic virus [BSMV]) lacking the γb gene was confined toExpand
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Assessment of the integral membrane protein topology in living cells.
The bimolecular fluorescence complementation (BiFC) phenomenon has been successfully applied for in vivo protein-protein interaction studies and protein tagging analysis. Here we report a novelExpand
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Movement of a barley stripe mosaic virus chimera with a tobacco mosaic virus movement protein.
The tobacco mosaic virus (TMV) 30K movement protein (MP) gene was inserted into a full-length cDNA clone of barley stripe mosaic virus (BSMV) RNA beta replacing the triple gene block (TGB). TheExpand
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Intracellular Targeting of a Hordeiviral Membrane-Spanning Movement Protein: Sequence Requirements and Involvement of an Unconventional Mechanism
ABSTRACT The membrane-spanning protein TGBp3 is one of the three movement proteins (MPs) of Poa semilatent virus. TGBp3 is thought to direct other viral MPs and genomic RNA to peripheral bodiesExpand
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Comparisons of the genomic cis-elements and coding regions in RNA beta components of the hordeiviruses barley stripe mosaic virus, lychnis ringspot virus, and poa semilatent virus.
Nucleotide sequences of the genomic RNA beta components of hordeiviruses poa semilatent virus (PSLV) and lychnis ringspot virus (LRSV) were determined. PSLV and LRSV closely resemble barley stripeExpand
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Transient coexpression of individual genes encoded by the triple gene block of potato mop-top virus reveals requirements for TGBp1 trafficking.
TGBp1, TGBp2, and TGBp3, three plant virus movement proteins encoded by the "triple gene block" (TGB), may act in concert to facilitate cell-to-cell transport of viral RNA genomes. TransientExpand
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