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Zentralinstitut für Ernährungs- und Lebensmittelforschung (ZIEL)

Abteilung Mikrobiologie
Technische Universität München
Weihenstephaner Berg 3
D-85350 Freising

The Department of Microbiology at the Central Institute for Food and Nutrition Research (ZIEL) is led by Siegfried Scherer (Chair for Microbial Ecology in the Department of Biosciences, Wissenschaftszentrum Weihenstephan).

The fundamental research concentrates on the molecular ecology and genetics of food borne pathogens. Several research groups in the department work on Listeria monocytogenes, Salmonella enterica, Bacillus cereus and enterohemorrhagic Escherichia coli. Applied research is performed in close cooperation with the food industry, with a focus on the characterization of the microbial flora in food. Here, we identify bacteria and yeasts by FT-IR spectroscopy, and we study the biodiversity of food borne microbial consortia and the degradation of prions in food.

The Department of Microbiology runs a microbial diagnostics (including food borne pathogens) service for the food industry. As well, the department offers a consulting service for the food production industry in cases of microbiological quality assurance problems.

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Guideline on effective knowledge and technology transfer activities to SMEs in the food sector with particular focus on traditional food manufacturers.

Akkreditierung

Paper
Differentiation of probiotic and environmental Saccharomyces cerevisiae strains in animal feed (März 2010)

Paper
Development of a stable isotope dilution analysis for the quantification of the Bacillus cereus toxin cereulide in foods. (Febr. 2010)

Paper
Identification of the main promoter directing cereulide biosynthesis in emetic Bacillus cereus and its application for real-time monitoring of ces gene expression in foods (Febr. 2010)

Paper
Pyruvate carboxylase plays a crucial role in carbon metabolism of extra- and intracellulary replicating Listeria monocytogenes (Jan. 2010)

Paper
Assessment of the anti-listerial activity of microfloras from the surface of smear-ripened cheeses (Jan. 2010)

Paper
Myo-inositol transport by Salmonella enterica serovar Typhimurium. (Jan. 2010)

Paper
Comparative Genome Analysis of Listeria Bacteriophages Reveals Extensive Mosaicism, Programmed Translational Frameshifting, and a Novel Prophage Insertion Site (Nov. 2009)

Paper
Vibro casei sp. nov., isolated from the surface of two French red smear soft Cheeses. (Nov. 2009)

Paper
Bavariicoccus seileri gen.nov.,sp.nov., isolated from the surface and smear water of German red smear soft cheese. (Oktober 2009)

Paper
Both thiamine uptake and biosynthesis of thiamine precursors are required for intracellular replication of Listeria monocytogenes (März 09)

Paper
Cereulide synthesis in emetic Bacillus cereus is controlled by the transition state regulator AbrB, but not by the virulence regulator PlcR (März 2009)

Paper
Characterization of the myo-Inositol Utilization Island of Salmonella enterica serovar Typhimurium (Jan. 2009)

Paper
Proteome approaches combined with Fourier transform infrared spectroscopy revealed a distinctive biofilm physiology in Bordetella pertussis (Dez. 2008)

Paper
Insecticidal genes of Yersinia spp.: taxonomical distribution, contribution to toxicity towards Manduca sexta and Galleria mellonella, and evolution (Dez. 2008)