A conserved pathway of cell death in response to invading DNA

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This project aims to characterise molecular details of a new pathway of foreign DNA recognition and rapid cell death. Recognition of foreign DNA is a key means by which both bacteria and eukaryotic cells can detect infections, as well as guard their own genome. Eukaryotic cell DNA is sequestered in the nucleus and organelles, and any DNA found in the cytosol is a danger signal. The project proposes that cytosolic DNA-induced cell death is a fundamental eukaryotic defensive response, but surprisingly, the known pathway is restricted to macrophages of some mammals. Project outcomes may be applied to protein expression yield in biotechnology or advances in gene therapy.