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Zentralinstitut für Ernährungs- und Lebensmittelforschung (ZIEL)

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

The Chair for Microbial Ecology is led by Siegfried Scherer. (Department of Biosciences, Wissenschaftszentrum Weihenstephan). The Chair for Microbial Ecology is associated to ZIEL Research Center for Nutrition and Food Sciences 

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.


Depsipeptide intermediates interrogate proposed biosynthesis of Cereulide, the Emetic Toxin of Bacillus cereus (Mai 2015)

From genome to toxicity: a combinatory approach Highlights the complexity of enterotoxin production in Bacillus cereus (Juni 2015)

Draft Genome sequence of Staphylococcus carnosus subsp. utilis LTH 7013, isolated from South Tyrolean Ham (Mai 2015)

Murimonas intestini gen. nov., sp. nov., an acetateproducing bacterium of the family Lachnospiraceae isolated from the mouse gut (März 2015)

Chemodiversity of cereulide, the emetic Toxin of Bacillus cereus (2015)

The orphan Regulator ReiD of Salmonella enterica is essential for myo-inositol utilization (Nov.2014)

Analysis of carbon substrates used by Listeria monocytogenes during growth in J774A.1 macrophages suggests a bipartite intracellular metabolism (Nov. 2014)

Stress Response of Salmonella enterica Serovar Typhimurium to acidified nitrite (Aug.2014)

Parallel independent Evolution of pathogenicity within the genus Yersinia (Mai 2014)

Comparison of strand-specific transcriptomes of enterohemorrhagic Escherichia coli O157:H7 EDL933 (EHEC) under eleven different environmental conditions including radish sprouts and cattle feces (Juni 2014)

Identification of genes essential for anaerobic growth of Listeria monocytogenes (Jan. 2014)

YmoA negatively controls the Expression of insecticidal genes in Yersinia enterocolitica (März 2014)

AiF 16907 N Schlussbericht

AiF 16588 N Schlussbericht

AiF 16845 N Kurzbericht

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