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CRC 1078/1: Structural Basis of Proton Release in Water Oxidation by Photosystem II (SP A05)

Zouni, Athina, (Experimental Biophysics)

Duration of Project: 01/2013 - 03/2021

In oxygenic photosynthesis, water is oxidized and dioxygen is formed at the Mn4Ca complex of photosystem II (PSII), a 750 kDa protein-cofactor complex embedded in the thylakoid membrane of plants and cyanobacteria. Reliable structural models of PSII ...

CRC-TRR 175/1: Chloropast Ribonucleoproteins – Stabilizing Chloroplast RNA Pools During Acclimation Responses (SP A02)

Schmitz-Linneweber, Christian, Prof. Dr. (Genetics)

Duration of Project: 07/2016 - 12/2020

Chloroplast ribonucleoproteins (cpRNPs) are light-and temperature-regulated phosphoproteins. We have recently demonstrated that cpRNPs impact chloroplast mRNA accumulation and processing under low temperature conditions on an organelle-wide scale. We ...

CRC-TRR 175/1: Leveraging Deep Sequenzing Data to Move From Predictive to Mechanistic Models of Plastid Gene Expression (SP D01)

Ohler, Uwe, Prof. Dr. (Systems Biology of Gene Regulation (S))

Duration of Project: 07/2016 - 06/2021

CRC-TRR 175/1: Mathematical Modelling of Regulatory Processes During Acclimation (SP D03)

Klipp, Edda, Prof. Dr. rer. nat. Dr. h.c. (Theoretical Biophysics)

Duration of Project: 07/2016 - 12/2020

Plant cold acclimation dramatically affects regulation of metabolic pathways. Although it is well known that regulation at the interface of primary and secondary metabolism plays a central role during cold acclimation, underlying metabolic dynamics a ...

CRC-TRR 175/1:Quantitative Biology Experiments and Cloning Pipelin (SP Z01)

Ohler, Uwe, Prof. Dr. (Systems Biology of Gene Regulation (S))

Duration of Project: 07/2016 - 06/2020

In the central scientific project Z1, we are bundling our efforts in quantitative biology approaches at the level of the individual projects, central acclimation kinetics, genetic screens and the identification of candidate mutations. In the new fund ...

CRC-TRR 175/1: Role of Reversible Phosphorylation of GUN4 in Acclimation, Retrograde Signalling and Tetrapyrrole Biosynthesis (SP C04)

Grimm, Bernhard, Prof. Dr. rer. nat. Prof. Dr. (Plant Physiology)

Duration of Project: 07/2016 - 12/2020

In oxygenic photoautotrophs, GENOMES UNCOUPLED 4 (GUN4) is an essential stimulator of Mg-chelatase and its phosphorylation lowers the MgCh activity leading to attenuation of Proto consumption for chlorophyll biosynthesis. The objectives of this proje ...

CRC-TRR 175/1: The Green Hub. Central Coordinator of Acclimation in Plants

Schmitz-Linneweber, Christian, Prof. Dr. (Genetics)

Duration of Project: 07/2016 - 06/2020

The acquisition of the capability to exercise photosynthesis made the characteristically sessile lifestyle of plants possible. This in turn meant that plants have had to evolve a variety of physiological responses (acclimation) to cope with the consi ...

Development of a Module-Based Crop Protection Strategy, Taking Into Account Sustainable and Environmentally Friendly Methods to Control Sea Buckthorn Fruit Fly

Schmidt, Uwe, Prof. Dr. (Section Biological Systems Technology)

Duration of Project: 08/2018 - 10/2022

Elucidation of the photo-assembly mechanism of the light-driven water oxidizing complex in photosystem II

Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

Duration of Project: 11/2017 - 12/2018

Oxygen photosynthesis in green plants, algae and cyanobacteria is catalyzed by the two large membrane protein complexes Photosystem I (PSI) and Photosystem II (PSII). Both complexes contain a reaction center (RC) that conducts a light-driven charge t ...

Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

Duration of Project: 01/2019 - 12/2022

Oxygen photosynthesis in green plants, algae and cyanobacteria is catalyzed by two large membrane protein complexes Photosystem I (PSI) and Photosystem II (PSII). Both complexes contain a reaction center (RC) that conducts a light-driven charge trans ...

Elucidation of the self-repair mechanism of the light-driven water oxidation in photosystem II (PSII): Crystallization of the Mn-depleted PSII and its structural/functional analysis

Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

Duration of Project: 11/2012 - 10/2017

Photosystem II (PSII) of oxygenic photosynthesis has the unique capability of utilizing visible light to oxidize water at the Mn4CaO5-cluster (the water oxidizing complex, WOC). Important progress in elucidating the molecular structure of the WOC has ...

FOR 2092/2: Auxiliary Factors for Chlorophyll Biosynthesis and Their Potential Contribution to the Assembly of Chlorophyll Into Chlorophyll-Binding Proteins (SP 03)

Grimm, Bernhard, Prof. Dr. rer. nat. Prof. Dr. (Plant Physiology)

Duration of Project: 11/2017 - 01/2021

Chlorophyll biosynthesis provides the essential pigments for photosynthesis in photoautotrophic organisms. While almost all enzymatic steps of have been elucidated, the spatio-temporal organization of the pathway as well as its functional coupling to ...

Genetic basis of the hornwort’s carbon-concentrating mechanism

Wicke, Susann, Prof. Dr. (Systematik Botany and Biodiversity)

Duration of Project: 09/2020 - 08/2023

Biophysical carbon concentrating mechanisms (CCMs) operating at the single-cell level have evolved independently in some eukaryotic algae and a single lineage of land plants, the hornworts. An essential component for an efficient biophysical CCM is a ...

Identification and Analysis of Genes Involved in Tetrapyrrole Metabolism and Plastid-Derived ROS-Mediated Signaling in Chlamydomonas Reinhardtii

Grimm, Bernhard, Prof. Dr. rer. nat. Prof. Dr. (Plant Physiology)

Duration of Project: 07/2019 - 07/2021

The tetrapyrrole biosynthesis (TBS) is tightly controlled at the transcriptional and the posttranslational level. Due to photooxidative stress caused by accumulating tetrapyrrole intermediates, multiple factors are required for a fine-tuned metabolic ...

Molecular Basis of Pioneer Transcription Factor Function in Flower Development

Kaufmann, Kerstin, Prof. Dr. (Cellular and Molecular Biology of Plants)

Duration of Project: 09/2017 - 04/2021

NW/1: Genetic reconfigurations en route to a holoparasitic lifestyle in plants

Wicke, Susann, Prof. Dr. (Systematik Botany and Biodiversity)

Duration of Project: 04/2020 - 04/2021

Parasitic plants of the broomrape family (Orobanchaceae) steal both water and nutrients from other plants. Amongst the world's most problematic parasitic weeds are broomrapes (Orobanche s.l.) and witchweeds (Striga), which attack the roots of importa ...

NW/2: Genetic reconfigurations en route to a holoparasitic lifestyle in plants

Wicke, Susann, Prof. Dr. (Systematik Botany and Biodiversity)

Duration of Project: 05/2020 - 04/2021

Parasitic plants of the broomrape family (Orobanchaceae) steal both water and nutrients from other plants. Amongst the world's most problematic parasitic weeds are broomrapes (Orobanche s.l.) and witchweeds (Striga), which attack the roots of importa ...

Photoactive antimicrobial coatings

Röder, Beate, Prof. Dr. rer. nat. habil. (Experimental Physics / Photobiophysics)

Duration of Project: 04/2017 - 02/2020

Metallische und mineralische Oberflächen an Häusern und technischen Gebäuden sind aufgrund ihrer Funktion oft jahrzehntelang Witterungseinflüssen ausgesetzt und damit Angriffspunkt für die unerwünschte Ansiedlung von Bakterien, Pilzen und Algen welch ...

Profiling as method to identify relevant metabolites for phenological modelling

Chmielewski, Frank-Michael, Prof. Dr. (Plant Cultivation)

Duration of Project: 01/2020 - 12/2022

After decades of active research on dormancy of woody plants and the subdivision of this phase into para-, endo- and ecodormancy, these phases are still not adequately considered in phenological models. Semi-mechanistic models are still used to descr ...

Progress in phenological modelling on the basis of metabolomic approaches

Chmielewski, Frank-M., Prof. Dr. rer. nat. habil. (Agriculture and Plant Cultivation)

Duration of Project: 07/2014 - 12/2017

Modelling of phenological stages, such as the flowering of fruit trees, is based on temperature sums for many decades, describing both the chilling and the forcing requirements of woody plants until the beginning of flowering. These approaches go bac ...

SFB-TRR 175/1: Chloroplast RNA Polymerase Activity During Acclimation (SP A01)

Kühn, Kristina, Prof. Dr. (Molecular Cell Biology of Plant)

Duration of Project: 07/2016 - 06/2020

This project aims to quantify transcriptional alterations that occur in chloroplasts during acclimation to changes in light or temperature. It will apply chloroplast nascent transcript sequencing strategies (GRO-seq and 5’-GRO-seq) in order to global ...

Taking snapshots of photosynthetic water oxidation: simultaneous X-ray spectroscopy and crystallography

Zouni, Athina, Dr. (Experimental Biophysics)

Duration of Project: 11/2013 - 10/2016

The objective of this project is to study the overall protein structure and dynamics, as well as the chemical structure and dynamics of the oxygen-evolving complex (OEC) of the Photosystem II membrane bound protein, that catalyses the light-driven wa ...

The functional impact of co- and post-translational N-terminal protein modifications in the chloroplast under stresses.

Grimm, Bernhard, Prof. Dr. rer. nat. Prof. Dr. (Plant Physiology)

Duration of Project: 01/2021 - 12/2023

Chloroplasts primarily function as bioreactors converting light into chemical energy. In addition, they also act as regulatory hub for intracellular communication and mediation of environmental impacts to regulate nuclear gene expression. Chloroplast ...

Usage of Solar Energy for the Bioelectrocatalysis – Photobiohybrid Eletrodes for the Light-Driven Synthesis of Valuable Substances (II, SP B)

Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

Duration of Project: 02/2018 - 01/2021

The aims of the Tandem-project are light-triggered electrodes for efficient energy conversion. In the frame of the prolonged period of work it is planned to increase the efficiency of photobio-electrodes and also to couple them with enzymatic convers ...

Using the Sunlight for Biocyatalysis – Development of Photo-Bioelectrode-Structures for Synthesis Isolation, Stabilization, Modification and Assembly of Photosystems and Its Components in Hybrid-Assemblies for Photo-Biocatalysis

Zouni, Athina, PD Dr. (Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers)

Duration of Project: 08/2013 - 10/2017

The aim of the Tamdem-project is to develop light-activated electrode devices for biocatalytical purposes. Therefore photosystems or components should be combined with electrodes for an efficient photo-electron transfer. By coupling various enzyme sy ...

West African wild silks techniques: Preserving Marka-Dafing’s heritage of knowledge

Schäffner, Wolfgang, Prof. Dr. (Cluster of Excellence 'Matters of Activity')

Duration of Project: 02/2020 - 07/2022

For centuries, Indigenous wild silks have been traded across West Africa and used in Marka-Dafing’s textiles production in the Mouhoun regions of Western Burkina Faso. Over the past twenty years, the precious materials that are used by women for weav ...

Willow Extracts for Plant Protection

Ulrichs, Christian, Prof. Dr. rer. nat.; Dr. rer. agr. (Urban Plant Ecophysiology)

Duration of Project: 04/2017 - 11/2018

Dieses Projekt legt den Fokus auf die Testung der Eignung von Extrakten aus der Rinde von Sa-lix spp. als Pflanzenstärkungs- bzw. Pflanzenschutzmittel. Das Rindenextrakt der salicylatreichen Spezies Salix daphnoides soll bzgl. seines Abwehrpotentials ...