Academic literature on the topic 'Elicitors of plant defense responses'

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Journal articles on the topic "Elicitors of plant defense responses"

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Scheel, Dierk, and Jane E. Parker. "Elicitor Recognition and Signal Transduction in Plant Defense Gene Activation." Zeitschrift für Naturforschung C 45, no. 6 (1990): 569–75. http://dx.doi.org/10.1515/znc-1990-0601.

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Abstract Plants defend themselves against pathogen attack by activating a whole set of defense responses, most of them relying on transcriptional activation of plant defense genes. The same responses are induced by treatment of plant cells with elicitors released from the pathogen or from the plant surface. Several plant/elicitor combinations have been used successfully as experimental systems to investigate the molecular basis of plant defense responses. Receptor-like structures on the plasma membrane of plant cells appear to bind the elicitors. Thereby, intracellular signal transduction chai
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Paulin, J. P., R. Chartier, M. Tharaud, C. Heintz, V. Karniewicz, and M. N. Brisset. "Induction of resistance to fire blight in apple (Erwinia amylovora)." Plant Protection Science 38, SI 1 - 6th Conf EFPP 2002 (2002): S126—S127. http://dx.doi.org/10.17221/10335-pps.

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Apple genotypes show different levels of resistance to fire blight caused by the bacterium E. amylovora. This resistance is considered to be polygenic, thus relying on a number of defense mechanisms. On the assumption that in susceptible genotypes these defenses may be present but not activated during the infection process, we attempted their induction by various abiotic and biotic elicitors. Two kinds of experiments were performed in the greenhouse and in the orchard: i) evaluation after controlled inoculation of the level of protection conferred to the plant by each elicitor and ii) investig
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Merkx-Jacques, Magali, and Jacqueline C. Bede. "Caterpillar salivary enzymes: "eliciting" a response." Phytoprotection 85, no. 1 (2004): 33–37. http://dx.doi.org/10.7202/008904ar.

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Abstract Plants exhibit remarkable plasticity in their ability to differentiate between herbivorous insect species and subtly adjust their defense responses to target distinct pests. One key mechanism used by plants to recognize herbivorous caterpillars is elicitors present in their oral secretions; however, these elicitors not only cause the induction of plant defenses but recent evidence suggests that they may also suppress plant responses. The absence of “expected changes” in induced defense responses of insect-infested plants has been attributed to hydrogen peroxide produced by caterpillar
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Ochoa-Meza, Laura Celina, Eber Addí Quintana-Obregón, Irasema Vargas-Arispuro, et al. "Oligosaccharins as Elicitors of Defense Responses in Wheat." Polymers 13, no. 18 (2021): 3105. http://dx.doi.org/10.3390/polym13183105.

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Wheat is a highly relevant crop worldwide, and like other massive crops, it is susceptible to foliar diseases, which can cause devastating losses. The current strategies to counteract wheat diseases include global monitoring of pathogens, developing resistant genetic varieties, and agrochemical applications upon diseases’ appearance. However, the suitability of these strategies is far from permanent, so other alternatives based on the stimulation of the plants’ systemic responses are being explored. Plants’ defense mechanisms can be elicited in response to the perception of molecules mimicking
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Allègre, Mathilde, Marie-Claire Héloir, Sophie Trouvelot, et al. "Are Grapevine Stomata Involved in the Elicitor-Induced Protection Against Downy Mildew?" Molecular Plant-Microbe Interactions® 22, no. 8 (2009): 977–86. http://dx.doi.org/10.1094/mpmi-22-8-0977.

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Stomata, natural pores bordered by guard cells, regulate transpiration and gas exchanges between plant leaves and the atmosphere. These natural openings also constitute a way of penetration for microorganisms. In plants, the perception of potentially pathogenic microorganisms or elicitors of defense reactions induces a cascade of events, including H2O2 production, that allows the activation of defense genes, leading to defense reactions. Similar signaling events occur in guard cells in response to the perception of abscisic acid (ABA), leading to stomatal closure. Moreover, few elicitors were
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Pettongkhao, Sittiporn, Abdulmuhaimin Bilanglod, Khemmikar Khompatara, and Nunta Churngchow. "Sulphated Polysaccharide from Acanthophora spicifera Induced Hevea brasiliensis Defense Responses Against Phytophthora palmivora Infection." Plants 8, no. 3 (2019): 73. http://dx.doi.org/10.3390/plants8030073.

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Elicitors from seaweeds are considered an alternative stimulant of plant defenses against pathogenic infection. Finding new sources of elicitors and exploring their effects on plant defenses is a significant undertaking. In this study, we extracted crude polysaccharide (CPS) from Acanthophora spicifera (a red alga) and tested the effects of the compound on rubber tree (Hevea brasiliensis) defense responses. Accumulations of salicylic acid (SA) and scopoletin (Scp) were measured by HPLC. The expression of SA- and Jasmonic acid (JA)-responsive genes was analyzed by semi-qRT-PCR. Strong anion exc
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Paré, Paul W., Mohamed A. Farag, Venkat Krishnamachari, Huiming Zhang, Choong-Min Ryu, and Joseph W. Kloepper. "Elicitors and priming agents initiate plant defense responses." Photosynthesis Research 85, no. 2 (2005): 149–59. http://dx.doi.org/10.1007/s11120-005-1001-x.

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Nicole, M., A. Toppan, J. P. Geiger, D. Roby, D. Nandris, and B. Rio. "Defense responses of Hevea brasiliensis to elicitors from root rot fungi." Canadian Journal of Botany 69, no. 8 (1991): 1819–24. http://dx.doi.org/10.1139/b91-231.

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Elicitation of root defense responses of rubber tree (Hevea brasiliensis) to Rigidoporus lignosus has been performed by injection of fungal cell wall extracts into the root system of 1-month-old seedlings. A time course study showed that tissue lignification is induced at 3, 8, 15, and 45 days after elicitor treatment, as observed under a light microscope. The ethanolsoluble elicitor fractions stimulated cinnamyl-alcohol dehydrogenase activity, involved in lignin synthesis, as well as callose deposits 15 days and 30 days after elicitor treatment. A differential phellogen activity was observed
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Wit, Pierre J. G. M. de, Matthieu H. A. J. Joosten, Guy Honée, et al. "Molecular aspects of avirulence genes of the tomato pathogen Cladosporium fulvum." Canadian Journal of Botany 73, S1 (1995): 490–94. http://dx.doi.org/10.1139/b95-287.

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Host genotype specificity in interactions between biotrophic fungal pathogens and plants in most cases complies with the gene-for-gene model. Success or failure of infection is determined by the absence or presence of complementary genes, avirulence and resistance genes, in the pathogen and the host plant, respectively. Resistance, expressed by the induction of a hypersensitive response followed by other defence responses in the host, is envisaged to be based on recognition of the pathogen, mediated through direct interaction between products of avirulence genes of the pathogen (the so-called
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Ichinose, Yuki, Karin Tiemann, Claudia Schwenger-Erger, et al. "Genes Expressed in Ascochyta raftiei-Inoculated Chickpea Plants and Elicited Cell Cultures as Detected by Differential cDNA-Hybridization." Zeitschrift für Naturforschung C 55, no. 1-2 (2000): 44–54. http://dx.doi.org/10.1515/znc-2000-1-210.

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Abstract In response to the exogenous application of elicitors and attempted invasion by pathogens, plants exhibit a wide range of defense reactions. To understand the defense mechanism s at the level of gene activation and deactivation, differential screenings were perform ed to isolate cDNA clones which are differentially expressed in pathogen-inoculated resistant chickpea plants and elicitor-treated cell cultures. A plenty of genes were isolated and arranged in 5 groups, namely defense-related pathways, signal transduction pathways, regulation of gene expression, catabolic pathways and prim
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Dissertations / Theses on the topic "Elicitors of plant defense responses"

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Gully, Kay. "The plant immune system : induction, memory and de-priming of defense responses by endogenous, exogenous and synthetic elicitors." Thesis, Angers, 2019. http://www.theses.fr/2019ANGE0001/document.

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En tant qu’organismes sessiles, les plantes doivent réagir rapidement et intensément, via des réponses défensives, pour repousser les pathogènes invasifs. Le système immunitaire des plantes peut être déclenché par des molécules élicitrices exogènes ou endogènes. Une autre classe d’éliciteurs, les éliciteurs synthétiques, contient également des composés promouvant une réponse défensive.Dans ce manuscrit, je décris la découverte et caractérisation d’une nouvelle famille de petits peptides endogènes potentiellement sécrétés(PROSCOOP), dont les membres incluent de petits peptides (SCOOP). Je démon
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Vasquez, de Beeching Rocio Gomez. "Plant defence responses in cassava (Manihot esculenta Crantz) suspension cells challenged with elicitors." Thesis, University of Bath, 2000. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760749.

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Mejri, Samara. "Efficacités et modes d'action de nouveaux simulateurs de défenses des plantes sur le pathosystème blé-Zymoseptoria tritici." Thesis, Littoral, 2018. http://www.theses.fr/2018DUNK0481/document.

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L'utilisation de biofongicides et de molécules stimulatrices des défenses des plantes (SDP) constituent des stratégies de lutte alternative permettant la réduction de l'utilisation des fongicides conventionnels. Toutefois, il n'existe que peu de produits homologués et appliqués sur blé et encore moins contre la septoriose. Dans le cadre de cette étude, nous avons testés et mis en évidence l'efficacité de protection du blé contre Zymoseptoria tritici de plusieurs molécules. En effet, 29 molécules biosourcées dérivées de la fonctionnalisation de l'acide pyroglutamique (PGA), contenu dans les mél
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Lancioni, Pietro <1980&gt. "Studies on biotic and abiotic elicitors inducing defense responses in tomato." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1980/.

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Tomato (Lycopersicon esculentum Mill., Solanum lycopersicon L.) is one of the most popular vegetable throughout the world, and the importance of its cultivation is threatened by a wide array of pathogens. In the last twenty years this plant has been successfully used as a model plant to investigate the induction of defense pathways after exposure to fungal, bacterial and abiotic molecules, showing triggering of different mechanisms of resistance. Understanding these mechanisms in order to improve crop protection is a main goal for Plant Pathology. The aim of this study was to search for gen
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Light, Fritz. "ALOE STRIATA PLANT DEFENSE COMPOUNDS PRODUCED IN RESPONSE TO JASMONIC ACID, SALICYLIC ACID, AND ERIOPHYID MITE SALIVARY EXTRACT ELICITOR COMPOUNDS." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/836.

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Aloe mites are herbivores of the genus Aloe (ALOACEAE) and are associated with hyperplastic growth in various aloe species, but the biochemistry of this interaction is poorly understood. In an effort to characterize plant defense responses to herbivory in the genus Aloe, a salivary extract was isolated from aloe mites (Aceria aloinis Keifer) and its bioactivity was tested using a hypocotyl elongation assay. Subsequently, Aloe striata plants were treated with jasmonic acid (JA), salicylic acid (SA), and the mite salivary extract. Using water and methanol, compounds of different polarity were ex
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Perez, Fuentealba Set Madian <1981&gt. "Evaluation of Biofungicides and Plant Defense Elicitors against Bacterial Pathogens of Agronomic Importance." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7627/.

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Plant bacterial diseases are nowadays routinely managed with scheduled treatments based on heavy metal compounds or, in the worst cases, on antibiotics; to overcome the environmental consequences linked to the use of these chemical compounds, such as pollution or selection of antibiotic resistant pathogens, an integrated control management is required. The use of bacterial antagonists, biological agents, plant defence response elicitors or resistant host plant genotypes play an important role in the frame of sustainable agriculture. In this work, the activity of plasma activated water (PAW) an
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Bi, Yong Mei. "Salicylic acid in plant defense responses." Thesis, University of Leicester, 1995. http://hdl.handle.net/2381/35437.

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The importance of salicylic acid (SA) in both local resistance to pathogens and the subsequent establishment of systemic acquired resistance has been investigated in tobacco. In order to assess the role of SA in the plant defense response, it was decided to try to stop the accumulation of SA by expression of an enzyme able to degrade it. A gene encoding salicylate hydroxylase (SH-L) was cloned from Pseudomonas putida and shown to be functional in E. coli. This gene was fused to various plant promoters which should allow temporal and spatial alteration of salicylate accumulation in pathogen-cha
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Cruz, Miralles Joaquín. "Plant defense responses induced by phytoseiid predatory mites." Doctoral thesis, Universitat Jaume I, 2019. http://hdl.handle.net/10803/667321.

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The ability of phytoseiids for inducing plant defensive responses was studied. First, the activation of citrus defense pathways in two rootstocks with different resistance to Tetranychus urticae, Citrus aurantium and C. reshni, was analysed. Metabolomic analyses showed that the jasmonic acid, salicylic acid and flavonoids defense pathways were modified depending on plant genotype and phytoseiid diet specialization. Second, attraction and repellence of volatiles released by citrus infested by phytoseiids was studied. This depended on the species of the predator triggering these responses. We al
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Montesano, Marcos. "Molecular characterization of plant defense responses to Erwinia carotovora." Helsinki : University of Helsinki, 2002. http://ethesis.helsinki.fi/julkaisut/mat/bioti/vk/montesano/.

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Nitta, Yukino. "Regulation of plant defense responses downstream of PAMP receptors." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51596.

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Books on the topic "Elicitors of plant defense responses"

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Fritig, Bernard, and Michel Legrand, eds. Mechanisms of Plant Defense Responses. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1737-1.

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Kourtchenko, Olga. Biochemical studies of plant defense responses against pathogens. Göteborg University, Faculty of Science, 2008.

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Legrand, M., and B. Fritig. Mechanisms of Plant Defense Responses. Springer, 2012.

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Bernard, Fritig, Legrand Michel, and European Foundation for Plant Pathology. Conference, eds. Mechanisms of plant defense responses. Kluwer Academic Publishers, 1993.

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Zhao, Zhiying. Investigation of the Arabidopsis Thaliana proline-rich extensin-like receptor kinase family and plant defense responses. 2003.

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Book chapters on the topic "Elicitors of plant defense responses"

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Ricci, P., F. Panabieres, P. Bonnet, et al. "Proteinaceous Elicitors of Plant Defense Responses." In Developments in Plant Pathology. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1737-1_34.

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Schröder, I., M. Kuhlmann, W. Dröge-Laser, M. Hoppert, and K. Rudolph. "Membrane Vesicle Mediated Transport of Virulence-Factors and of Elicitors for Defense-Response." In Plant Pathogenic Bacteria. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0003-1_39.

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Anderson, J. D., B. A. Bailey, R. Taylor, et al. "Fungal Xylanase Elicits Ethylene Biosynthesis and other Defense Responses in Tobacco." In Cellular and Molecular Aspects of the Plant Hormone Ethylene. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-1003-9_46.

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Keen, Noel T., and William O. Dawson. "Pathogen Avirulence Genes and Elicitors of Plant Defense." In Genes Involved in Plant Defense. Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-6684-0_4.

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Jogaiah, Sudisha, Sharathchandra Ramasandra Govind, and Huntrike Shekar Shetty. "Role of Oomycete Elicitors in Plant Defense Signaling." In Bioactive Molecules in Plant Defense. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27165-7_4.

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Moreira, Xoaquín, Rafael Zas, and Luis Sampedro. "Methyl Jasmonate as Chemical Elicitor of Induced Responses and Anti-Herbivory Resistance in Young Conifer Trees." In Plant Defence: Biological Control. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1933-0_15.

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Tumlinson, J. H., P. W. Paré, and W. J. Lewis. "Plant Production of Volatile Semiochemicals in Response to Insect-Derived Elicitors." In Novartis Foundation Symposium 223 - Insect-Plant Interactions and Induced Plant Defence. John Wiley & Sons, Ltd., 2007. http://dx.doi.org/10.1002/9780470515679.ch7.

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Chehab, E. Wassim, and Janet Braam. "Jasmonates in Plant Defense Responses." In Biocommunication of Plants. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23524-5_5.

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Paulert, Roberta, and Marciel João Stadnik. "Macroalgae Polysaccharides in Plant Defense Responses." In Seaweeds as Plant Fertilizer, Agricultural Biostimulants and Animal Fodder. CRC Press, 2019. http://dx.doi.org/10.1201/9780429487156-2.

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Shah, Jyoti. "Lipases in Signaling Plant Defense Responses." In Signaling and Communication in Plants. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-42011-5_11.

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Conference papers on the topic "Elicitors of plant defense responses"

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Pillischer, Ross J. "Response ofContarinia nasturtii(Diptera: Cecidomyiidae) to host plant defense elicitors." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.114582.

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Tzin, Vered. "Is tef tough? Characterizing the direct and indirect defense responses involved in aphid resistance in Eragrostis tef." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1052999.

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Tzipilevich, Elhanan. "Is tef tough? Characterizing the direct and indirect defense responses involved in aphid resistance in Eragrostis tef." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1332373.

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