A5103001873- Probiotics and Fermented Foods
- Meat and Animal Product Quality
- RNA modifications and cancer
- Mass Spectrometry Techniques and Applications
- Protein Hydrolysis and Bioactive Peptides
- RNA Research and Splicing
- RNA and protein synthesis mechanisms
- Protein Structure and Dynamics
- Hemoglobin structure and function
- Metalloenzymes and iron-sulfur proteins
- Porphyrin Metabolism and Disorders
- Metal-Catalyzed Oxygenation Mechanisms
- Algal biology and biofuel production
- Electron Spin Resonance Studies
- Trace Elements in Health
- Enzyme Production and Characterization
- Enzyme Structure and Function
- Selenium in Biological Systems
- Bone and Dental Protein Studies
- Milk Quality and Mastitis in Dairy Cows
- Microbial Fuel Cells and Bioremediation
- Redox biology and oxidative stress
- Food Industry and Aquatic Biology
- Biochemical Analysis and Sensing Techniques
- Fermentation and Sensory Analysis
University of Bayreuth
2024
European Molecular Biology Laboratory
2024
Lindenhofspital
2007-2009
Agroscope
2005-2009
Federal Office for Agriculture
1996-2005
Deutsches Elektronen-Synchrotron DESY
1996
European Molecular Biology Laboratory
1996
Universidad de Murcia
1993
University of Castilla-La Mancha
1993
Centre National de la Recherche Scientifique
1990
The Zn(Scys)4 unit is present in numerous proteins, where it assumes structural, regulatory, or catalytic roles. same coordination found naturally around iron rubredoxins, several structures of which have been refined at resolutions of, near to, 1 A. fold the small protein rubredoxin its metal ion an excellent model for many zinc finger proteins. Zn-substituted and Fe-containing counterpart were both obtained as products expression Escherichia coli rubredoxin-encoding gene from Clostridium...
The metabolic versatility of the purple nonsulfur photosynethetic bacterial permits expression either a phototrophic or dark aerobic mode growth. These organism also possess nitrogenase activity which may function under semiaerboic conditions. On basis these important properties, light dependence and synthesis in Rhodopseudomonas capsulata was investigated. Nitrogenase strictly dependent on light; no observed dark, even when energy (ATP) supplied by oxidative phosphorylation. It concluded...
The contents of the 2 antihypertensive peptides Val-Pro-Pro (VPP) and Ile-Pro-Pro (IPP) were determined in 101 samples from 10 different Swiss cheese varieties using HPLC with subsequent triple mass spectrometry. In category extra hard cheeses, Protected Denomination Origin cheeses Berner Alpkäse Hobelkäse, L'Etivaz à rebibes, Le Gruyère, Sbrinz, Emmentaler (organic conventional) semihard Tilsiter, Appenzeller 1/4 fat full fat, Tête de Moine, Vacherin fribourgeois screened study. average...
The angiotensin-converting enzyme (ACE) inhibitory activity and the concentration of 2 ACE-inhibiting tripeptides Val-Pro-Pro (VPP) Ile-Pro-Pro (IPP) were studied during cheese ripening in 7 Swiss varieties. semi-hard cheeses Tilsiter, Appenzeller 1/4 fat, Tête de Moine, Vacherin fribourgeois extra-hard hard Berner Hobelkäse, Le Gruyère, Emmentaler investigated. Three loaves each variety manufactured different factories purchased at beginning commercial ripeness investigated constant...
Protein biosynthesis must be highly regulated to ensure proper spatiotemporal gene expression and thus cellular viability. Translation is often modulated at the initiation stage by RNA binding proteins through either promotion or repression of ribosome recruitment mRNA. However, it largely remains unknown how kinetics mRNA ribonucleoprotein (mRNP) assembly on untranslated regions (UTRs) relates its translation regulation activity. Using Sex-lethal (Sxl)-mediated msl-2 in female fly dosage...
A 3.9 kb BglII-HindIII DNA fragment containing the rubredoxin gene from Clostridium pasteurianum has been cloned using oligonucleotide probes designed protein sequence. The 2675 bp SspI-HindIII portion of this sequenced and found to contain three open reading frames in addition gene. putative product one these is similar various thioredoxin reductases. translates into a sequence that differs previously published positions, D-14, D-22 E-48 being replaced by corresponding amides. These changes...
Clostridium pasteurianum rubredoxin and its recombinant counterpart purified from Escherichia coli have been analysed by electrospray ionization m.s. (e.s.i.m.s.). Whereas the N-terminal methionine of native protein is formylated, one has a free methionine. E. cells also produce colourless cloned gene. This absent C. was shown to be zinc-substituted rubredoxin. The molecular forms detected e.s.i.m.s. depended on experimental conditions used. Significant conversion into apo-rubredoxin...
Rubredoxin isolated from the thermophilic bacterium Clostridium thermosaccharolyticum has been sequenced and crystallized. The 52-residue sequence is similar to those of rubredoxins occurring in other anaerobic bacteria, but displays some unique features, including a tryptophan residue position 4, two consecutive proline residues positions 25 26, an aspartic acid 41. molecular mass (5988 Da) native rubredoxin measured by electrospray-ionization m.s., thus establishing applicability technique...
Abstract Repression of msl-2 mRNA translation is essential for viability Drosophila melanogaster females to prevent hypertranscription both X chromosomes. This translational control event coordinated by the female-specific protein Sex-lethal (Sxl) which recruits RNA binding proteins Unr and Hrp48 3’ untranslated region (UTR) transcript represses initiation. The mechanism exerted during repression its interaction with are not well understood. Here we investigate specificity affinity tandem...
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