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High throughput analytical screening for metal-protein complexes in the biological environment

Ziel

The goal of the project is the development of a novel analytical tools allowing in-vivo speciation of metal-protein complexes. The interest in this topic is driven by the fact that this information turns out to be crucial for the understanding of the molecular mechanisms of metal transport, chelation, and biotransformation which govern the bioavailibility of the metal and resistance of an organism to metals present in high concentrations in the environment. There is sufficient evidence in human for the carcinogenicity of cadmium and cadmium compounds; therefore the project is focused on the detection and characterization of proteins that are molecular targets for cadmium in model organisms such as Arabidopsis thaliana.

The analytical tools are going to be based on two complementary approaches. In the first one, consisting of in vivo screening for a non-denaturating 2D gel electrophoresis, laser ablation ICP MS detection will be developed. In the alternative approach, a library of proteins of an organism will be created by the conventional (denaturating) 2D electrophoresis and made react with cadmium. For screening the library, electrophoresis on a chip coupled with ICP MS via a dedicated nanonebulizer will be developed for the high-throughput detection of the metal-protein complexes in the biological environment. Structural information of cadmium-protein will be obtain by use of molecular mass spectrometry MALDI-TOF (matrix assisted laser desoption ionisation time-of flight) MS and ES (electrospray) MS/MS.

Wissenschaftliches Gebiet (EuroSciVoc)

Schlüsselbegriffe

Thema/Themen

Aufforderung zur Vorschlagseinreichung

FP6-2004-MOBILITY-5
Andere Projekte für diesen Aufruf anzeigen

Finanzierungsplan

EIF - Marie Curie actions-Intra-European Fellowships

Koordinator

GESELLSCHAFT ZUR FORDERUNG DER SPEKTROCHEMIE UND ANGEWANDTEN SPEKTROSKOPIE E.V.
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