E-Dissertationen: Browsing E-Dissertationen by Author "Bartels, Dorothea"
Now showing items 1-20 of 44
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Alterations in the Expression of Seed Development Genes Affect Seed Size and Storage Compound Allocation in Arabidopsis thaliana
Fatihi, Abdelhak (2012-10-31)Seeds are major components of the human diet and seed oil represents a source of renewable and environmentally friendly replacements for fossil-based raw materials. During maturation seeds accumulate storage reserves to ... -
Analyse der Wurzelarchitektur von Gerste (Hordeum vulgare) unter verschiedenen Umweltbedingungen
Schaprian, Tamara (2015-05-11)Innerhalb der letzten Jahre zeigte der Aufruf zu einer "second green revolution" die Notwendigkeit zur Entwicklung leistungsfähiger Kulturpflanzen mit robustem Verhalten auf wechselnde Umweltbedingungen und limitierte ... -
Analysis of the AtMRS2 magnesium transporter family in Arabidopsis thaliana via gene-GFP fusions, heterologous complementations, and protein interaction studies
Weyand, Katrin (2007)Magnesium is unique in its chemical properties compared to the other biologically relevant cations. It plays an important role in many biological functions, e.g. as a cofactor for numerous enzymes, as the central atom of ... -
Analysis of two selected cell wall proteins and one lncRNA involved in desiccation tolerance of the resurrection plant Craterostigma plantagineum
Chen, Peilei (2020-01-07)Water deficit is a severe stress negatively affecting plant growth and productivity. Extreme dehydration, termed desiccation, will lead to substantial water loss from cells and eventually results in less than 10% RWC ... -
Biochemische Untersuchungen zur Funktion, Struktur und Phosphorylierung des Stressproteins CDeT11-24 aus der trockentoleranten Pflanze Craterostigma plantagineum
Petersen, Jan (2014-02-05)Die trockentolerante Wiederauferstehungspflanze <i>Craterostigma plantagineum</i>, die Dürreperioden durch Ausbildung eines Ruhestadiums überleben kann, ist schon seit vielen Jahren ein wichtiges Modellsystem zur Erforschung ... -
Characterisation of a MAPKK kinase from Craterostigma plantagineum: Interaction of VIK kinases and LEA proteins
Braun, Verena Anika (2018-02-21)Drought is a key factor for yield loss in agriculture. However, desiccation tolerant plant species evolved various mechanisms to protect vegetative tissues from the hazardous effects of drought. These mechanisms are not ... -
Characterisation of selected Arabidopsis aldehyde dehydrogenase genes: role in plant stress physiology and regulation of gene expression
Missihoun, Tagnon Dègbédji (2011-03-02)The importance of aldehyde dehydrogenase (ALDH) proteins in plant stress responses was investigated in this study by functionally analysing transgenic Arabidospsis thaliana ALDH knock-out and over-expressing plants. From ... -
Characterisation of the unknown gene and the corresponding protein At3g29075 in Arabidopsis thaliana
Sukumaran, Selvakumar (2020-04-01)Phospholipases D (PLDs) are involved in different plant stress responses, exclusively to abiotic stresses like cold, salinity, and drought. The PLD enzymes catalyse the hydrolysis of membrane phospholipids into phosphatidic ... -
Characterization of drought stress regulator CBF/DREB genes in Hordeum vulgare: Expression analysis in ten different barley cultivars
Shen, Jian (2013-07-08)Improving crop yield under water deficit environments is an urgent task for crop breeding worldwide. Many efforts have been made to identify key regulators of plant drought stress responses. Most of these studies have been ... -
Characterization of polygalacturonase inhibitor 1-like protein (CpPGIP) from Craterostigma plantagineum and analysis of stress inducible pcC13-62 promoters to understand desiccation tolerance in Linderniaceae
Singh, Aishwarya (2020-09-02)The work is divided into two major parts. The first part is the characterization of an important cell wall protein “polygalacturonase inhibitor 1-like protein (CpPGIP)” and in the second part we studied “stress inducible ... -
Charakterisierung von Fusarium spp. –mit Reporterproteinen transformiert– und deren Interaktionen an Weizen
Piel, Katharina (2014-02-07)Der Gegenstand dieser Arbeit war die Untersuchung von Interaktionen zwischen zwei unterschiedlichen <em>Fusarium</em>-Arten. Daher wurde jeweils ein Isolat der beiden <em>Fusarium</em>-Arten <em>F. avenaceum </em>und <em>F. ... -
The chloroplast calcium sensor protein CAS is part of the STN7/STN8 kinase phosphorylation network and is required for photoacclimation
Cutolo, Edoardo Andrea (2020-03-10)In the present work, the phosphorylation profile of the chloroplast-localized Calcium Sensing Receptor (CAS) from <em>A. thaliana</em> was investigated and it could be shown that CAS is a target of multiple protein kinases ... -
Comparative and functional promoter analysis of desiccation-related genes from three closely related plant species differing in desiccation tolerance
van den Dries, Niels (2010-03-23)The closely related resurrection plants C. plantagineum and L. brevidens have the rare ability to withstand desiccation of their vegetative tissues. The species L. subracemosa is a close relative of C. plantagineum and L. ... -
Comparative studies of selected stress responsive DREB and ALDH genes in Arabidopsis thaliana, Eutrema salsugineum and Hordeum vulgare
Hou, Quancan (2015-09-02)Drought and salinity are the most severe abiotic stresses limiting agricultural production worldwide. Plant adaptive responses to these stresses involve stress signal perception, signal transduction to cytoplasm and nucleus, ... -
The control of germination by the PP2C family protein RDO5
Yuan, Bingjian (2019-02-04)Dormancy provides a mechanism to prevent germination during unfavorable conditions, which is one of the most important process in higher plants. Apart from the phytohormones abscisic acid (ABA) and gibberellic acid (GA), ... -
Arabidopsis thaliana aldehyde dehydrogenases ALDH3H1 and ALDH3I1: cysteine mutations, S-nitrosylation and esterase activity
Podgórska, Karolina Anna (2016-04-20)S-nitrosylation is a posttranslational modification that is known to affect many biochemical processes in plants. In the current study the ability of NO donors to S-nitrosylate aldehyde dehydrogenases ALDH3H1 and ALDH3I1 ... -
A forward genetic approach to isolate Arabidopsis mutants altered in the regulation of the ALDH7B4 gene
Shafiq, Muhammad Rizwan (2016-09-30)The ALDH7B4 gene is a member of the ALDH super gene family which is known to be involved in stress tolerance, but the regulation of ALDHs was unknown. In the current studies, a forward genetic approach was used to propose ... -
From glycosidase activity profiling to inhibitor discovery in the plant pathogen Pseudomonas syringae
Chandrasekar, Balakumaran (2018-05-25)Retaining glycosidases are important in plants for various biological processes. Plant genomes encode for more than 200 retaining glycosidases but the physiological roles and activities of many remain poorly understood. ... -
Functional Characterization of Transgenic Arabidopsis thaliana Plants Co-over expressing Aldehyde dehydrogenases and Genes for Soluble Osmolytes
Raza, Hasnain (2010-09-16)Plant growth and productivity is largely hampered by a number of abiotic stresses. These stresses affect the physiological and metabolic pathways leading to the production of many harmful substances like aldehydes, reactive ... -
Funktionelle Charakterisierung von frühen Graviperzeptionsmechanismen in Pflanzen
Hauslage, Jens (2008)Die Ergebnisse der Arbeit zur Untersuchung der funktionellen Charakterisierung von frühen Graviperzeptionsmechanismen in Pflanzen leistet einen wesentlichen Beitrag zur Aufklärung der sehr frühen Prozesse der Schwerkraft ...