Martin Kittel

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A cDNA clone (pcM12) of the chalcone synthase (CHS) ofMatthiola incana R. Br. (Brassicacease) was isolated from a cDNA library, sequenced and analysed. It comprises the complete coding sequence for the CHS and 5′ and 3′ untranslated regions. The deduced amino acid sequence shows that theMatthiola incana CHS consists of 394 amino acid residues. Comparison(More)
The load of Epstein-Barr virus (EBV) in peripheral blood mononuclear cells of transplant recipients represents a predictive parameter for posttransplant lymphoproliferative disorders (PTLD). The aim of our work was to develop a rapid and reliable PCR protocol for the quantification of cell-associated EBV DNA in transplant recipients. In contrast to previous(More)
Transmissible spongiform encephalopathies (TSE) are fatal neurodegenerative disorders characterized by the conversion of the normal prion protein (PrP(C)) into aggregates of its pathological conformer (PrP(Sc)). The mechanism behind this structural conversion is unclear. We report the identification of disease-related protein structural differences directly(More)
Two higher plant systems are presented which allow to study coordinated gene expression of the light-induced metabolic pathway of flavonoid biosynthesis: tissue culture cells of Petroselinum hortense (Apiaceae) and different developmental stages of various genotypes of Matthiola incana (Brassicaceae). The gene structure of the chalcone synthase is mainly(More)
Das Elektromyogramm des M. sphincter ani externus wird in der Proktologie meist mit Oberflächenelektroden abgeleitet. Die Ableitung mittels konzentrischer Nadelelektrode ist nur wenig verbreitet, obwohl nur sie eine quantifizierende Beurteilung der Schädigung des äußeren Analsphinkters zulässt. Hierfür muss man Einzelpotenziale ableiten und auswerten. In(More)
Scanned-energy mode C 1s photoelectron diffraction has been used to investigate the local adsorption geometry of benzene on Si(001) at saturation coverage and room temperature. The results show two different local bonding geometries co-exist, namely the 'standard butterfly' (SB) and 'tilted bridge' (TB) forms, with a composition of 58±29% of the SB species.(More)
New experimental structure determinations for molecular adsorbates on NiO(100) reveal much shorter Ni-C and Ni-N bond lengths for adsorbed CO and NH3 as well as NO (2.07, 1.88, 2.07 A) than previously computed theoretical values, with discrepancies up to 0.79 A, highlighting a major weakness of current theoretical descriptions of oxide-molecule bonding.(More)
New chemical-state-specific scanned-energy mode photoelectron diffraction experiments and density functional theory calculations, applied to CO, CO/H, and N2 adsorption on Ni(100), show that chemisorption bond length changes associated with large changes in bond strength are small, but those associated with changes in bond order are much larger, and are(More)
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