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 44 for “"info:eu-repo/classification/ddc/580"”.
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Ein molekularer Mechanismus des „Primings” in Arabidopsis thaliana
In plants and animals acquired immunity to biotic and abiotic stress is associated with priming of cells for faster and stronger activation of defense responses. It has been hypothesized that cell priming involves accumulation of latent signaling components that are inactive until challenge …
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Untersuchungen zur Funktion einer Lipoxygenase in der induzierten Resistenz bei Reis
… specifity of the RCI1-lipoxygenase. Finally, the classification of RCI1 as a member of the 13-LOX family was confirmed. Free fatty acids were identificated as the prefered substrate for RCI1. In the genome of rice plants only a single gene seems to hybridise with an RCI1-probe under stringent …
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Comparative study of the subcellular localisation and the N-glycosylation patterns of a recombinant glycoprotein expressed in Oryza sativa, Nicotina tabacum and Medicago truncatula
… reticulum. In the absence of further targeting information such proteins are generally secreted, via the default pathway, to the apoplast. This has been well-documented in protoplasts and leaf cells, but the trafficking of recombinant proteins in storage tissues such as endosperm or cotyledons …
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Untersuchungen zur Funktion von Alb 3 im plastidären Proteintransport von Arabidopsis thaliana
Members of the Oxa1 protein family mediate the integration of proteins in their respective membranes. To the date, homologs within mitochondria (Oxa1p), E. coli (YidC) and chloroplasts (Alb3) have been investigated. Alb3 is the least investigated protein of this triple. A function within thylakoid …
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Physiological, genetic and molecular analysis of two Arabidopsis mutants with defects in normal development
… cortical microtubule organizing FASS At5g18580 gene occurred in this mutant. Further molecular analysis indicated about 50% lowered expression of the FASS and F-box At1g77000 gene as compared to wild-type. By generating lines constitutively expressing either F-box At1g77000 or FASS in the …
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Eine Untersuchung zur Endozytose in Pflanzenzellen
Endocytosis is a fundamental property of all eukaryotic life. In contrast to animal cells the endosomal system of plants is largely unknown. Recent research indicates a central role of endocytosis as a regulatory mechanism in plant morphogenesis and growth (Baluska et al., 2003; Geldner et al., …
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Isolation von Ascosporen des pflanzenpathogenen Pilzes Venturia inaequalis und Charakterisierung von Antikörperinteraktionen zur Entwicklung eines immunogravimetrischen Sensors
The work presented here was performed in the frame of an interdisciplinary project. The aim of this project was the development of a biosensor detecting ascospores of Venturia inaequalis, the causual agent of apple scap. It was shown, that such a biosensor could be a useful addition to present-day …
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Biochemische und molekularbiologische Untersuchungen zur Beteiligung reaktiver Sauerstoffspezies (ROS) am Wirkungsmechanismus der systemisch erworbenen Resistenz (SAR) in Arabidopsis thaliana (L.) Heynh
Systemic Acquired Resistance (SAR) can be conditioned in Arabidopsis by chemical and biological activators. This acquired resistance to a subsequent infection manifests itself as a phenocopy of the Hypersensitive Reaction (HR) and is correlated with an increased expression of so-called PR genes, …
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Molecular and biochemical analyses of transgenic nicotiana tabacum plants metabolizing glycolate in the chloroplasts
The photorespiratory pathway in C3 plants consumes not only ATP and reducing equivalents but also results in loss of ~ 25% carbon that has been fixed during the process of photosynthesis. In the present study, an alternative biochemical pathway for the metabolism of glycolate was established in the …
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Generation and characterisation of plant produced recombinant antibodies specific to LHRH for treatment of sex hormone dependent diseases
Leutinising hormone releasing hormone (LHRH) is a hypothalamic neurohormone that plays a pivotal role in the endocrine control of reproduction. Acting through its high affinity receptors on pituitary gonadotrophs, it regulates the secretion of gonadotropins. Manipulation of the neuroendocrine …
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A novel approach for the suppression of photorespiration in C 3 plants by gene transfer
In the present study, a novel principle is proposed to increase the CO2 concentration in the vicinity of Rubisco thereby suppressing photorespiration in C3 plants. The pathway is derived from E. coli and converts the glycolate formed during photorespiration into glycerate. Three enzymatic …
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Die epigenetische Regulation des C 4 -Syndroms : belichtungsabhängige Chromatinveränderungen am Promotor der Phosphoenolpyruvat Carboxylase aus Mais (Zea mays L.)
C4 plants have developed a unique mechanism to suppress the undesirable effects of photorespiration by separating primary and secondary CO2 fixation in two different leaf tissues. The primary fixation step takes place in the mesophyll cytoplasm and is controlled by phosphoenolpyruvate carboxylase …
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