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Our laboratory is interested in understanding the mechanisms that allow microbial pathogens to survive and multiply within the hostile host cells and how host cells respond to infection. We use Legionella pneumophila, the causative agent of Legionnaires disease as a model organism. One essential pathogenic factor of this bacterium is the Dot/Icm type IV secretion system that injects approximately 300 virulence proteins (effectors) into host cells to create a niche permissive for bacterial replication. One focus of our research is to determine the function of these proteins and their roles in bacterial infection. The second focus is to examine the mechanism of the detection and response of immune cells to intracellular pathogens, particularly the signaling pathway involved in the detection of the bacterial ribosomal protein RpsL that triggers lysosomal cell death. Finally, we are interested in study the function of Fic proteins found in diverse bacteria. The long term goal of these studies is to elucidate the signal transduction pathways important for bacterial virulence, immune detection and other events important for the establishment of successful infection, such information will be invaluable not only in combating infectious diseases but also in our understanding of cell signaling in both prokaryotic and eukaryotic cells.
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Nature Communicationsno. 1 (2024): 1-17
biorxiv(2023)
mBiono. 6 (2023)
SIGNAL TRANSDUCTION AND TARGETED THERAPYno. 1 (2023)
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