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Legionnaire Disease
Reports by C. Ragaz and co-researchers describe recent advances in legionnaire disease
January 13th, 2009
According to recent research from Zurich, Switzerland, "Legionella pneumophila, the causative agent of Legionnaires' disease, uses the intracellular multiplication/defective organelle trafficking (Icm/Dot) type IV secretion system to establish within amoebae and macrophages an endoplasmic reticulum (ER)-derived replication-permissive compartment, the Legionella-containing vacuole (LCV). The Icm/Dot substrate SidC and its paralogue SdcA anchor to LCVs via phosphatidylinositol-4 phosphate [PtdIns(4)P]." "Here we identify the unique 20 kDa PtdIns(4)P-binding domain of SidC, which upon heterologous expression in Dictyostelium binds to LCVs and thus is useful as a...
Source: TB & Outbreaks Week (2009-01-13)
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