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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).

Fundamental research concentrates on the ecology and molecular genetics of food borne pathogens. Several research groups in the department work on Listeria monocytogenes, Bacillus cereus, Salmonella enterica, Yersinia enterocolitica and enterohemorrhagic Escherichia coli.

Applied research is performed in close cooperation with the food industry, with a focus on the characterization of food borne microbes, including identifiction of bacteria and yeasts, description of novel taxa and analysis of the biodiversity of food borne microbial consortia.

The Department of Microbiology runs a microbial diagnostics unit, connected with a consulting service for the food industry with respect tp prevention and analysis of microbiological quality assurance problems.

News

Paper
Short Barcodes for Next Generation Sequencing (Dec.2013)

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Virgibacillus halotolerans sp.nov., isolated from a dairy product (Dez 2013)

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Kazachstania psychrophila sp.nov., a novel psychrophilic yeast isolated from vacuum-packed beef (Dez. 2013)

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Phenotype of htgA (mbiA), a recently evolved orphan gene of Escherichia coli and Shigella, completely overlapping in antisense to yaaW (Nov. 2013)

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Bet.-hedging in stochastically switching environments (Juli 2013)

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Characterization of aerobic spore-forming bacteria associated with industrial dairy processing environments and product spoilage (August 2013)

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Rapid and reliable identification of Staphylococcus aureus capsular serotypes by means of artificial neural network-assisted Fourier transform infrared spectroscopy (July 2013)

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Identification of microorganisms by FTIR spectroscopy: perspectives and limitations of the method (Juli 2013)

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Concerted action of Sphingomyelinase and Non-Hemolytic Enterotoxin in Pathogenic Bacillus cereus (April 2013)

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The insecticidal toxin genes of Yersinia enterocolitica are activated by the thermolabile LTTR-like regulator TcaR2 at low temperatures. (Juni 2013)

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Acid shock of Listeria monocytogenes at low environmental temperatures induces pfrA, epithelial cell invasion, and lethality towards Caenorhabiditis elegans (Mai 2013)

Kurzbericht zu FEI Projekt 16012

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Bacillus gottheilii sp. nov., isolated from a pharmaceutical manufacturing site (März 2013)

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Listeria Weihenstephanensis sp.nov., isolated from the water plant Lemna trisulca taken from a freshwater pond (Febr. 2013)

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Naumannella halotolerans gen. nov., sp.nov., a Gram-positive coccus of the family Probionibacteriaceae isolated from a pharmaceutical clean room and from food (Dez. 2012)

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Mass spectrometric profiling of Bacillus cereus strains and quantitation of the emetic toxin cereulide by means of stable isotope dilution analysis and HEp-2 bioassay (Oktober 2012)

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Predicting statistical properties of open reading frames in bacterial genomes (Sept. 2012)

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CodY orchestrates the expression of virulence determinants in emetic Bacillus cereus by impacting key regulatory circuits (August 2012

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Psychroflexus halocasei sp.nov., isolared from a microbial consortium on a cheese (August 2012)

Forschungsbericht
Emetische Toxinproduktion von Bacillus cereus in ausgewählten Lebensmitteln: Mechanismen und Präventionsmöglichkeiten