Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"defense response"”.
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Signal transduction during defense response and source-sink transition in tomato
… under stress conditions an appropriate defense response is invoked which is accompanied by changes in the metabolic status of the plant. Photosynthesis is downregulated and sucrose is imported into the tissue, which provides a faster and more constant flux of energy and carbon skeletons …
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Key roles of glutamate metabolism and cuticle permeability in the multifaceted defense response of the abscisic acid deficient sitiens tomato mutant against Botrytis cinerea
… co-evolution, plants have devised sophisticated defense mechanisms to cope with the constant threat of pathogenic microorganisms. These mechanisms are diverse, varying from constructing physical barriers in order to mechanically halt pathogen penetration, to de novo synthesis of various …
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Characterization of theWound-Induced Signaling Pathway In Tomato
… a specific stress and mount an appropriate defense response. The defense response in plants involves initiating multi-component signal transduction processes that lead to the activation of defense response genes. In tomato, feeding by herbivorous insects initiates the systemin-mediated wound …
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ROLE FOR HYDROGEN PEROXIDE DURING ABIOTIC AND BIOTIC STRESS SIGNALING IN PLANTS
… be important signal molecules that regulate the defense response of plants to stress. In this thesis, different strategies were pursued to identify genes that are involved in the stress response of plants.
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Plant-Pathogen Interactions Associated with Wasting Disease in the Tropical Seagrass Thalassia testudinum.
… shown to serve as a strong elicitor of the early defense response in the subtropical seagrass Thalassia testudinum Banks ex König and was capable of inducing an oxidative burst identified at the single cell level. The formation of reactive oxygen species (ROS) included a diphenylene iodonium …
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Study and Manipulation of the Salicylic Acid-Dependent Defense Pathway in Plants Parasitized by Orobanche aegyptiaca Pers.
… this goal, but require an understanding of host defense responses to parasitism. Previous studies with tobacco indicated that broomrape parasitism induces host genes associated with jasmonic acid (JA)-mediated defenses such as wound responses and localized production of phenylpropanoid and …
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Proteomic Approaches to Study the Mode of Action of Safeners for Chloroacetamide Herbicides in Triticum Tauschii
… regulated-proteins belongs to stress and defense response, including peroxidase, pathogenesis-related proteins. Results indicate that safeners protect Triticum tauschii seedlings from herbicide injury by coordinately inducing enzymes and proteins involved in an entire herbicide …
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Behavioral and Metabolic Responses of the Southern Red-Backed Salamander (Plethodon Serratus) to Predatory Stimuli: Influence of Body Size
… In the foraging study, I also examined the response to airborne cues. Larger salamanders (SVL > 32 mm) foraged more than smaller salamanders, and salamanders showed reduced foraging in the presence of predatory substrate cues but not airborne cues. Metabolic rates for smaller salamanders …
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Delivering Signal-Altering Bacterial Effector Proteins to Mammalian Cells Using Cell-Penetrating Peptide Technology
… eukaryotes is to activate the bacterial pathogen defense response upon the detection of bacterial products in the environment. This defensive signaling results in the induction of inflammation, the transcription of antimicrobial peptides, the modulation of the cell cycle and cell survival. Some …
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Regulation of receptor kinase-mediated immune signalling by dynamic phosphorylation
… receptors (PRRs), initiating a broad-spectrum defense response against pathogens, known as PRR-triggered immunity (PTI). However, immunity comes at a cost; and immune responses need to be tightly regulated. How PTI signalling is negatively regulated in plants is not fully understood. PRRs are …
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An investigation of Fusarium verticillioides infection in maize using physiological and molecular approaches
… after the two weeks of infection, indicating a defense response by the plants in response to infection by the fungal pathogen. RNA-sequencing, the main aim of this study was conducted on control and infected plants after two weeks of infection to identify differentially expressed genes (DEGs) …
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Regulation of ethylene biosynthesis by mitogen-activated protein kinase cascades in Arabidopsis
… effects on plant growth, development, and response to environmental stimuli. Ethylene induces the ripening of climacteric fruits, which is characterized by a steep increase in ethylene synthesis at the mature stage. In agriculture, removal of ethylene in hypobaric storage compartments …
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Modeling the dynamics of the plant immune response
… profiled as dynamic snapshots of biological responses. My PhD study focuses on dynamic modeling of plant immunity, a plant defense response induced by pathogens. There are two well-defined modes of inducible immunity of plant to overcome pathogen attack, namely pattern triggered immunity …
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Intercropping with resistant cultivars reduces early blight and root knot disease on susceptible cultivars of tomato (Lycopersicon esculentum)
… 'Juliet' suggests an interaction initiating a defense response in 'Brandywine'. Increase in foliar salicylic acid (SA) concentration was greater in 'Juliet' than in 'Brandywine' following inoculation with A. solani, indicating that SA accumulation may contribute to increased resistance in …
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The Biogenesis of Small Interfering RNA in Neurospora Crassa
… processes including development, genome defense and heterochromatin formation. RNAi is initiated by the production of dsRNA, which is processed by Dicer to produce small interfering RNA (siRNA). In the filamentous fungus, Neurospora crassa, two types of siRNA have been characterized. One …
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Ultrasonication as an abiotic elicitor - effects on antioxidant capacity and overall quality of romaine lettuce
… energy, could stimulate the biological stress defense response system of a plant to increase its own secondary metabolite accumulation to achieve added nutritional value and better quality retention. The effect of ultrasound treatment at low APDs on antioxidant capacity and overall quality of …
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Dissection of Regulatory Networks Mediating Resistance and Susceptibility of Arabidopsis thaliana to the Downy Mildew Pathogen Hyaloperonospora parasitica
… pathogen attack and mount an appropriate defense response. These experiments focused on resistance triggered by the Arabidopsis thaliana R gene, RPP7, which encodes a coiled-coil nucleotide binding-leucine-rich repeat (CC-NB-LRR) protein that activates race-specific resistance to the downy …
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Role Of Crebh In Endotoxin Mediated Modulation Of Hepatic Metabolism
… acts a key player in mounting an acute phase response against endotoxemia by modulating apolipoproteins. Endotoxin LPS shock in the body induces activation of the TLR4 signaling pathway in mouse liver. Upon triggering TLR4 signaling pathway, LPS stimulates cleavage and activation of CREBH …
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The Function and Mechanism of RNA Interference in Neurospora
… including developmental timing, genome defense, and heterochromatin formation. RNAi is triggered by double stranded RNA (dsRNA), which is processed by Dicer to siRNA. siRNA is loaded onto RNA-induced silencing complex (RISC), in which an Argonaute family protein, guided by a siRNA, …
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Small non-coding RNA-mediated epigenetic regulation of gene expression and its implications for wheat adaptation to continuous cultivation
… modulates the trade-off between growth and defense and contributes to wheat adaptation to continuous cultivation" investigates the possible contribution of epigenetic modifications to wheat adaptation to long-term continuous cultivation. Chapter III entitled "MicroRNAs (miRNAs) and small …
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