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Working group Infection and Immunity

Research area Ruminants

The research area conducts research on the host-pathogen-interaction in bacterial infections of ruminants, particularly coxiellosis and STEC infection. The focus is laid on the following issues:

  • How do zoonotic bacteria modulate the immune system of the reservoir host?
  • What is the structure of infection defense at the host’s outer and inner boundary layers?


  • Cultivation, functional and phenotypic characterization of established cell lines (Vero cells, FKD-R, BGM)
  • Generation, cultivation, and functional and phenotypic characterization of primary cell cultures from ruminants
    • peripheral blood mononuclear cells (PBMC)
    • polymorphonuclear neutrophils (PMN)
    • intraepithelial lymphocytes (IEL)
    • monocyte derived macrophages (MDM)
    • colonic crypt epithelial cells
  • Quantification of antigen-specific T cells from cattle, goats, and sheep by flow cytometry
  • Quantitative real-time RT-PCR for detection of the host cytokine response
  • In vitro Shiga toxin cytotoxicity test, Shiga toxin neutralization test
  • Adhesion and invasion assays
  • Characterization of Escherichia coli (DNA microarray analysis, phage induction)
  • Proteome analyses (2D-PAGE)