Academic literature on the topic 'Potato virus X (PVX)'

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Journal articles on the topic "Potato virus X (PVX)"

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Pourrahim, R., Sh Farzadfar, A. R. Golnaraghi, and A. Ahoonmanesh. "Incidence and Distribution of Important Viral Pathogens in Some Iranian Potato Fields." Plant Disease 91, no. 5 (2007): 609–15. http://dx.doi.org/10.1094/pdis-91-5-0609.

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From a total of 8,135 potato leaves collected from 132 fields in 11 provinces of Iran, the incidence and distribution of Alfalfa mosaic virus (AlMV), Eggplant mottled dwarf virus (EMDV), Potato leafroll virus (PLRV), Potato virus A (PVA), Potato virus M (PVM), Potato virus S(PVS), Potato virus X (PVX), Potato virus Y (PVY), and Tomato yellow fruit ring virus (TYFRV) were assessed using serological and biological methods. Based on enzyme-linked immunosorbent assay (ELISA) results, viruses in decreasing order of incidence in potato were PVS (35.9%), PVY (34.4%), PVA (27.0%), PVX (20.8%), PLRV (1
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Anjum, Romana, M. Aslam Khan, Kolawole Oluwaseun Olawale, and Raheel Baber. "Field Evaluation and Enzyme-Linked Immunosorbent Assay Detection of Potato Leaf Roll Virus, Potato Virus X and Potato Virus Y in Potato Germplasm." Journal of Agricultural Science 9, no. 7 (2017): 229. http://dx.doi.org/10.5539/jas.v9n7p229.

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Polerovirus: potato leaf roll virus (PLRV), Potyvirus: potato virus Y (PVY) and Potexvirus: potato virus X (PVX) is more destructive and well distributed throughout the Pakistan. Incidence has been reported to be as high as 90%, 25%, and ≥ 15%, respectively in the potato growing regions. To find out the source of resistance, twenty-nine virus free potato varieties were grown under field conditions with good agricultural practices. The disease severity of PLRV, PVY and PVX was recorded to determine the level of resistance of the potato varieties according to the disease rating scale. Infectivit
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Gul, Zishan, Aftab A. Khan, Asif U. R. Khan, and Zaheer U. Khan. "Incidence of Potato Viruses in Different Districts of Khyber Pakhtunkhawa, Pakistan." International Journal of Phytopathology 2, no. 1 (2013): 32–36. http://dx.doi.org/10.33687/phytopath.002.01.0045.

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Three consecutive potato crops are grown annually in Pakistan and Khyber Pakhtunkhawa (KPK) province is the main source for seed tubers. During the year 2010, 240 symptomatic and viral susceptible potato leave samples were collected from Swat, Dir, Abbottabad and Mansehra and serologically confirmed through Double Antibody Sandwich (DAS) Enzyme Linked Immunosorbant Assay (ELISA) against Potato virus X (PVX), Potato virus Y (PVY), Potato leaf roll virus (PLRV), Potato virus M (PVM), Potato virus S (PVS) and Potato virus A (PVA). The presence or absence of viruses was confirmed by observing the
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Sonoda, S., H. Koiwa, K. Kanda, H. Kato, M. Shimono, and M. Nishiguchi. "The Helper Component-Proteinase of Sweet potato feathery mottle virus Facilitates Systemic Spread of Potato virus X in Ipomoea nil." Phytopathology® 90, no. 9 (2000): 944–50. http://dx.doi.org/10.1094/phyto.2000.90.9.944.

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When Ipomoea nil was coinfected with Sweet potato feathery mottle virus (SPFMV), a member of the genus Potyvirus, and Potato virus X (PVX) typical symptoms caused by PVX were observed on those by SPFMV on the first upper true leaves at 14 days postinoculation (dpi). On the other hand, no PVX-induced symptoms were observed on the first upper true leaves at 14 dpi when plants were infected with PVX alone. In the case of coinfection with PVX and SPFMV, PVX RNA was detected not only in the inoculated cotyledonary leaves but also in the first upper true leaves at 14 dpi. In the case of single infec
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Lambert, Susan J., Frank S. Hay, Sarah J. Pethybridge, and Calum R. Wilson. "Spatiotemporal Spread of Potato virus S and Potato virus X in Seed Potato in Tasmania, Australia." Plant Health Progress 8, no. 1 (2007): 70. http://dx.doi.org/10.1094/php-2007-0726-07-rs.

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The spatial and temporal distribution of Potato virus S (PVS) and Potato virus X (PVX) was studied in two trials within each of four commercial fields of seed potato var. Russet Burbank in Tasmania, Australia. In the first trial (plots) 20 leaflets were collected from each of 49 plots (each approximately 8 m wide by 10 m long), with plots arranged in a 7-×-7 lattice. In the second trial (transects), leaflets were collected at 1-m intervals along seven adjacent, 50-m long rows. The mean incidence of PVS increased during the season by 5.2% in one of four plot trials and 25.5% in one of four tran
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Nyalugwe, Eviness P., Calum R. Wilson, Brenda A. Coutts, and Roger A. C. Jones. "Biological Properties of Potato virus X in Potato: Effects of Mixed Infection with Potato virus S and Resistance Phenotypes in Cultivars from Three Continents." Plant Disease 96, no. 1 (2012): 43–54. http://dx.doi.org/10.1094/pdis-04-11-0305.

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Interactions between Potato virus X (PVX) and Potato virus S (PVS) were studied in potato plants, and isolates of PVX were inoculated to potato cultivars from four continents to identify occurrence of PVX resistance genes. Mixed infection with PVX and PVS increased the titer of PVS and enhanced expression of foliar symptoms in primarily and secondarily infected plants of ‘Royal Blue’. PVX isolates belonging to strain groups 1 and 3 (WA1+3) or 3 (XK3 and TAS3) were sap and graft inoculated (1 to 3 isolates each) to 38 cultivars and one breeding line. Presence of extreme PVX resistance gene Rx w
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Czupryn, Marta, and Maria Błaszczyk. "Detection of potato virus X in potato leaves by means of polyacrylamide gel electrophoresis." Acta Societatis Botanicorum Poloniae 43, no. 4 (2015): 505–9. http://dx.doi.org/10.5586/asbp.1974.049.

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A rapid method of detection and evaluation of potato virus X (PVX) infection in potato leaves is described. The method is based on: 1) discarding of major part of cytoplasmic proteins from leaf homogenate by precipitation with polyethylene glycol in final concentration of 2%, 2) precipitation of virus containing fraction by increasing the concentration of polyethylene glycol to 3.5% and electrophoretic identification of virus coat protein extracted from this fraction. The procedure allows early detection of PVX in plants inoculated with virus as well as grown from infected tubers.
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Fuentes, Segundo, Adrian J. Gibbs, Mohammad Hajizadeh, et al. "The Phylogeography of Potato Virus X Shows the Fingerprints of Its Human Vector." Viruses 13, no. 4 (2021): 644. http://dx.doi.org/10.3390/v13040644.

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Potato virus X (PVX) occurs worldwide and causes an important potato disease. Complete PVX genomes were obtained from 326 new isolates from Peru, which is within the potato crop′s main domestication center, 10 from historical PVX isolates from the Andes (Bolivia, Peru) or Europe (UK), and three from Africa (Burundi). Concatenated open reading frames (ORFs) from these genomes plus 49 published genomic sequences were analyzed. Only 18 of them were recombinants, 17 of them Peruvian. A phylogeny of the non-recombinant sequences found two major (I, II) and five minor (I-1, I-2, II-1, II-2, II-3) ph
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Ahmadvand, R., A. Takács, J. Taller, I. Wolf, and Z. Polgár. "Potato viruses and resistance genes in potato." Acta Agronomica Hungarica 60, no. 3 (2012): 283–98. http://dx.doi.org/10.1556/aagr.60.2012.3.10.

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Potato (Solanum tuberosum L.) is the fourth most important food crop in the world. It is the most economically valuable and well-known member of the plant family Solanaceae. Potato is the host of many pathogens, including fungi, bacteria, Phytoplasmas, viruses, viroids and nematodes, which cause reductions in the quantity and quality of yield. Apart from the late blight fungus [Phytophthora infestans (Mont.) de Bary] viruses are the most important pathogens, with over 40 viruses and virus-like pathogens infecting cultivated potatoes in the field, among which Potato virus Y (PVY), Potato leaf r
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Blanch, Ewan W., David J. Robinson, Lutz Hecht, Christopher D. Syme, Kurt Nielsen, and Laurence D. Barron. "Solution structures of potato virus X and narcissus mosaic virus from Raman optical activity." Journal of General Virology 83, no. 1 (2002): 241–46. http://dx.doi.org/10.1099/0022-1317-83-1-241.

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Potato virus X (PVX) and narcissus mosaic virus (NMV) were studied using vibrational Raman optical activity (ROA) in order to obtain new information on the structures of their coat protein subunits. The ROA spectra of the two intact virions are very similar to each other and similar to that of tobacco mosaic virus (TMV) studied previously, being dominated by signals characteristic of proteins with helix bundle folds. In particular, PVX and NMV show strong positive ROA bands at ∼1340 cm−1 assigned to hydrated α-helix and perhaps originating in surface exposed helical residues, together with les
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Dissertations / Theses on the topic "Potato virus X (PVX)"

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Leveau, Aymeric. "Caractérisation structurale de l'éliciteur du virus X de la pomme de terre (PVX) : recherche, chez les plantes cultivées, de gènes hôtes, impliqués dans la résistance liée à Rx." Thesis, Evry-Val d'Essonne, 2012. http://www.theses.fr/2012EVRY0036.

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De nos jours, les agents pathogènes des plantes, engendrent encore des pertes agricoles importantes. A terme, la solution la plus adaptée semble être la création de variétés de plantes cultivées présentant une résistance génétique à large spectre et durable. Créer de telles plantes nécessite la compréhension des mécanismes de résistance mis en jeu dans des pathosystèmes modèles, tels que celui impliquant le gène de résistance Rx et le virus X de la pomme de terre. Dans ce système, la protéine Rx intervient dans la perception d’un facteur d'avirulence issu du virus: sa protéine de capside (Cp).
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Jobsri, Jantipa. "Induction of protective antigen-specific anti-tumour immunity using vaccines incorporating immunoenhancing properties of the coat protein from the potato virus X (PVX)." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/362530/.

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DNA fusion vaccines encoding the idiotypic (Id) single chain variable fragments of B-cell malignancies fused to the potato virus X coat protein (PVXCP) were shown to enhance anti Id antibody and T-cell responses which resulted in protection in lymphoma and myeloma models. I further explored the use of PVXCP to enhance induction of anti -tumour immunity. The aims of this study were to generate two types of Id tumour vaccines against the BCL1 lymphoma, a multimeric Id-PVXCP fusion protein and a PVX particle displaying Id antigen, and to compare their performance with the DNA fusion vaccine. The
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Werschallová, Markéta. "Mutační analýza obalového proteinu X viru bramboru (PVX)." Master's thesis, Česká zemědělská univerzita v Praze, 2016. http://www.nusl.cz/ntk/nusl-258763.

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The thesis deals with the mutational analysis of conserved amino acids of Potato virus X coat protein (PVX CP). The importance of selected amino acids for the spread of the virus in the plant should be determined. Nicotiana benthamiana was selected as an experimental plant. Mutations of the PVX CP were based on the comparison of PVX CP amino acid sequence with the sequence of Papaya mosaic virus coat protein (PapMV CP), the only representative of potexvirus, which includes PVX, with the described crystal structure of the CP. The importance of certain amino acids for interaction of coat prote
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Brandolini, Andrea G. "Breeding potato for resistance to leafroll virus combined with immunity to PVX and PVY." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302990.

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Cruz, Simon Santa. "Analysis of resistance to potato virus X in potato." Thesis, University of East Anglia, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359280.

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Chapman, Sean Nicholas. "A molecular analysis of potato virus X." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386398.

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Forsyth, Alexander Mark. "Resistance to potato virus X specified by the Nb gene of potato." Thesis, University of East Anglia, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294657.

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Adams, S. E. "Studies on mechanics and occurrence of resistance of potato virus X." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37916.

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Bendahmane, Abdelhafid. "Analysis of a gene-for-gene interaction associated with Rx-mediated resistance to potato virus X." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389350.

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Perraki, Artemis. "La Rémorine, une protéine végétale impliquée dans la propagation virale ; implication des modifications post-traductionnelles." Thesis, Bordeaux 2, 2012. http://www.theses.fr/2012BOR21997/document.

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Les Rémorines (REM) du groupe 1 sont des protéines spécifiques du monde végétale. Malgré leur caractère hydrophile elles sont localisées à la membrane plasmique. La phosphorylation des REM serait potentiellement impliquée dans la signalisation précoce et la défense des végétaux contre les pathogènes. Benschop et al. (2007) détecte AtREM1.3 (Arabidopsis thaliana, groupe 1b) phosphorylée en réponse au traitement par l'éliciteur générale flg22, tandis que Widjaja et al. (2008) a suggéré que la phosphorylation de AtREM1.2 est potentiellement impliquée dans la signalisation précoce à l'infection pa
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Books on the topic "Potato virus X (PVX)"

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Cruz, Simon Santa. Analysis of resistance to potato virus X in potato. University of East Anglia, 1993.

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Xu, Huimin. Molecular cloning of the genome of potato virus x for the development of transgenic potato plants resistant to infection by this virus. National Library of Canada, 1990.

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Hefferon, Kathleen. Construction and expression of genes encoding potato virus Y and potato virus X in transgenic potato plants. 1995.

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Book chapters on the topic "Potato virus X (PVX)"

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Loebenstein, G. "Potato X Virus (PVX; Genus Potexvirus)." In Virus and Virus-like Diseases of Potatoes and Production of Seed-Potatoes. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-007-0842-6_8.

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Hoekema, André, Marianne J. Huisman, Dinie Posthumus-Lutke Willink, Erik Jongedijk, Peter van den Elzen, and Ben J. C. Cornelissen. "Transgenic Potato Cultivars Resistant to Potato Virus X." In Plant Molecular Biology 2. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3304-7_19.

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Yu, Zhiming, Sung Ki Cho, Pengcheng Zhang, Yiguo Hong, and David J. Hannapel. "Utilizing Potato Virus X to Monitor RNA Movement." In Methods in Molecular Biology. Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0712-1_10.

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Lee, Karin L., Kerstin Uhde-Holzem, Rainer Fischer, Ulrich Commandeur, and Nicole F. Steinmetz. "Genetic Engineering and Chemical Conjugation of Potato Virus X." In Methods in Molecular Biology. Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-751-8_1.

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Ofoghi, H., N. Moazami, and I. Ivanov. "Comparison of Tobacco Etch Virus and Tobacco Mosaic Virus Enhancers for Expression of Human Calcitonin Gene in Transgenic Potato Plant." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-958-x.7.

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Kopertekh, Lilya, and Joachim Schiemann. "Marker Removal in Transgenic Plants Using Cre Recombinase Delivered with Potato Virus X." In Methods in Molecular Biology. Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-7169-5_10.

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Tumer, Nilgun, Cynthia Hemenway, Keith O’Connell, et al. "Expression of Coat Protein Genes in Transgenic Plants Confers Protection against Alfalfa Mosaic Virus, Cucumber Mosaic Virus and Potato Virus X." In Plant Molecular Biology. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4615-7598-6_32.

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Coutts, Robert H. A., and Sally E. Adams. "Characterisation of Three Strains of Potato Virus X and their Replication in Potato Protoplasts Containing Genes for Compatibility, Incompatibility or Resistance." In Plant Molecular Biology. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4615-7598-6_69.

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van Esse, H. Peter. "Identification of HR-Inducing cDNAs from Plant Pathogens via a Gateway®-Compatible Binary Potato Virus X-Expression Vector." In Plant Fungal Pathogens. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-501-5_6.

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