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14 rezultatus
RNA-binding properties of the 63 kDa protein encoded by the triple gene block of poa semilatent hordeivirus.
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The 63 kDa '63K' movement protein encoded by the triple gene block of poa semilatent virus (PSLV) comprises the C-terminal NTPase/helicase domain and the N-terminal extension domain, which contains two positively charged sequence motifs, A and B. In this study, the in vitro RNA-binding properties of
Microscopic analysis of severe structural rearrangements of the plant endoplasmic reticulum and Golgi caused by overexpression of Poa semilatent virus movement protein.
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Cell-to-cell transport of plant viruses is mediated by virus-encoded movement proteins and occurs through plasmodesmata interconnecting neighboring cells in plant tissues. Three movement proteins coded by the "triple gene block" (TGB) and named TGBp1, TGBp2 and TGBp3 have distinct functions in viral
Transgenic tobacco plants overexpressing a grass PpEXP1 gene exhibit enhanced tolerance to heat stress.
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Heat stress is a detrimental abiotic stress limiting the growth of many plant species and is associated with various cellular and physiological damages. Expansins are a family of proteins which are known to play roles in regulating cell wall elongation and expansion, as well as other growth and
Effect of mitochondria-targeted antioxidant SkQ1 on programmed cell death induced by viral proteins in tobacco plants.
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Programmed cell death (PCD) is the main defense mechanism in plants to fight various pathogens including viruses. The best-studied example of virus-induced PCD in plants is Tobacco mosaic virus (TMV)-elicited hypersensitive response in tobacco plants containing the N resistance gene. It was
Cationic oligopeptide-mediated delivery of dsRNA for post-transcriptional gene silencing in plant cells.
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We have used cationic oligopeptide polyarginine-12mer (POA) to deliver double-stranded RNA (dsRNA), prepared in vitro, to tobacco (Nicotiana tabacum) suspension cells. POA interacts electrostatically with dsRNA to form a complex. When dsRNA for the GUS or NPTII gene was delivered into cells carrying
In vitro phosphorylation of the N-terminal half of hordeivirus movement protein.
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The N-terminal half of TGB1 movement protein of poa semilatent hordeivirus, which forms a ribonucleoprotein complex involved in movement of the viral genome in the plant, and its two domains, NTD and ID, are phosphorylated in vitro by a fraction enriched in cell walls from Nicotiana benthamiana.
Intracellular targeting of a hordeiviral membrane-spanning movement protein: sequence requirements and involvement of an unconventional mechanism.
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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 bodies located in close proximity to plasmodesmata. We used the ectopic expression of green fluorescent protein-fused
Subcellular sorting of small membrane-associated triple gene block proteins: TGBp3-assisted targeting of TGBp2.
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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), 15K TGBp2 and 18K TGBp3. GFP-15K transiently expressed in Nicotiana benthamiana leaf epidermal cells
Immunodetection and fluorescent microscopy of transgenically expressed hordeivirus TGBp3 movement protein reveals its association with endoplasmic reticulum elements in close proximity to plasmodesmata.
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The subcellular localization of the hydrophobic TGBp3 protein of Poa semilatent virus (PSLV, genus Hordeivirus) was studied in transgenic plants using fluorescent microscopy to detect green fluorescent protein (GFP)-tagged protein and immunodetection with monoclonal antibodies (mAbs) raised against
Movement of hordeivirus hybrids with exchanges in the triple gene block.
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The barley stripe mosaic virus (BSMV) triple gene block (TGB) coding for movement proteins (MPs) was replaced with the respective TGB genes from two other hordeiviruses, poa semilatent virus (PSLV) or lychnis ringspot virus (LRSV). The BSMV/LRSV recombinant did not exhibit infectivity on the plants
Long-distance movement, virulence, and RNA silencing suppression controlled by a single protein in hordei- and potyviruses: complementary functions between virus families.
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RNA silencing is a natural defense mechanism against genetic stress factors, including viruses. A mutant hordeivirus (Barley stripe mosaic virus [BSMV]) lacking the gammab gene was confined to inoculated leaves in Nicotiana benthamiana, but systemic infection was observed in transgenic N.
Sixty Years after the First Description: Genome Sequence and Biological Characterization of European Wheat Striate Mosaic Virus Infecting Cereal Crops.
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High throughput sequencing technologies were used to identify plant viruses in cereal samples surveyed from 2012 to 2017. Fifteen genome sequences of a tenuivirus infecting wheat, oats and spelt in Estonia, Norway and Sweden were identified and characterized. Like most tenuiviruses, the genome of
Similarities in intracellular transport of plant viral movement proteins BMB2 and TGB3.
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The cell-to-cell transport of many plant viruses through plasmodesmata requires viral movement proteins (MPs) encoded by a 'triple gene block' (TGB) and termed TGB1, TGB2 and TGB3. TGB3 is a small integral membrane protein that contains subcellular targeting signals and directs both TGB2 and the
The extreme N-terminal domain of a hordeivirus TGB1 movement protein mediates its localization to the nucleolus and interaction with fibrillarin.
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The hordeiviral movement protein encoded by the first gene of the triple gene block (TGBp1) of Poa semilatent virus (PSLV), interacts with viral genomic RNAs to form RNP particles which are considered to be a form of viral genome capable of cell-to-cell and long-distance transport in infected
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