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 12 of 12 for “"PR-1"”.
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Characterization of Host Plant Defense Responses to Parasitization by <I>Orobanche aegyptiaca</I>
… pathways, we are studying the patterns of expression of host genes known to be involved in various aspects of plant defense responses. With respect to local defense responses, two genes of the isoprenoid pathway were studied, one of which is expressed in wounded tissue (<I>hmg1</I>), and …
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Role of SABP2 in Systemic Acquired Resistance Induced by Acibenzolar-S-Methyl in Plants.
… plants. It was hypothesized that SABP2, a plant protein, plays an important role in ASM-mediated defense signaling. Biochemical studies were performed to test the interaction between SABP2 and ASM. Transgenic SABP2-silenced tobacco plants were used to determine the role of SABP2 in SAR induced by …
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Investigation of defence mechanisms against Botrytis cinerea in Arabidopsis thaliana
… discovered each year. A plant utilises both preformed and induced defence responses to resist pathogen attack but researchers have focused on dissecting the induced defence response pathway. The complex signal transduction pathway underlying the establishment of resistance to a wide range of …
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Cucurbit Downy Mildew (Pseudoperonospora cubensis): Cucumber Resistance
… cucumber cultivars and costly fungicide programs. Continuous use has led to resistance to commonly used fungicides. This has become a major concern and in response, seed companies have developed cucumber cultivars which claim downy mildew resistance. This study evaluates different …
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Isolation and Characterization of Proteins Interacting with Tobacco Transcription Factor TGA2.2
… Salicylsäure- und Auxininduzierbare Genexpression in Pflanzen. Vorhergehende Experimente haben hergestellt, dass as-1 Element vom ASF1 / SARP Proteinkomplexes aus Nicotiana tabacum erkannt werden. Als Komponenten des ASF1 / SARP, konnten die Klasse II TGA Faktoren, TGA2.2 und TGA2.1, …
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Study and Manipulation of the Salicylic Acid-Dependent Defense Pathway in Plants Parasitized by Orobanche aegyptiaca Pers.
… 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 isoprenoid phytoalexins. However, the …
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Direct contact heat transfer between an evaporating fluid and an immiscible liquid
An investigation has been conducted into the process of cooling water by the evaporation of droplets of isopentane in direct contact. The research has potential industrial application to a pickling acid recovery crystalliser. In order to minimise industrial equipment size a counter current flowing …
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Hormonal modulation of sex steroid hormone receptors and oncogenes in human breast cancer cells
… tumor growth, and high levels of the HER-2/neu protooncogene protein may contribute to breast cancer metastasis, the effects of estrogen, progestin and hormone antagonists on the levels of estrogen receptor (ER), progesterone receptor (PR) and HER-2/neu mRNA and protein have been studied in …
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Boundary Problems for One and Two Dimensional Random Walks
<p>This thesis provides a study of various boundary problems for one and two dimensional random walks. We first consider a one-dimensional random walk that starts at integer-valued height k > 0, with a lower boundary being the x-axis, and on each step moving downward with probability q being …
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Callus Culture as a Prospective Biosensor: Examining Fusarium graminearum Infection and Exploring the Use of RUBY as a Pathogen-Inducible Reporter
… change and globalization contributing to the spread of plant diseases and a reliance on visual symptoms for detection, agriculturalists face continual challenges in identifying the presence of pathogens with enough lead time for effective mitigation, highlighting a need for novel early plant …
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Using Synthetic Gene Clusters to Model Resistance Gene Evolution by Meiotic Recombination in Arabidopsis thaliana
… multiple surveillance mechanisms to detect the presence of disease-causing organisms. One mode of surveillance is based on dozens of constitutively expressed resistance (R) genes. R genes recognize pathogen gene products as signals of invasion. We are interested in how plants evolve R genes to …
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Mechanisms Regulating the Response of Arabidopsis thaliana to Heat Stress
… stresses cause extensive losses to agricultural production worldwide. Acclimation of plants to abiotic stresses is mediated by a complex network of transcription factors and other regulatory genes that control multiple defense and acclimation pathways. Although, previous studies uncovered a …