All bacteria have developed clever mechanisms for survival and propagation within host cells. Salmonella are a typical example: usually they hide in membrane-bound particles with only very few bacteria escaping to the cell’s interior. Those escapees are extremely dangerous as they proliferate and spread at enormous speed. To stop such an invasion, cells have developed very effective defense strategies. An interdisciplinary team around Prof. Ivan Dikic (Institute of Biochemistry II) and Prof. Mike Heilemann (Institute of Physical and Theoretical Chemistry), both from Goethe University Frankfurt, now studied such a cellular defense mechanism by visualizing protein patterns at the near-molecular level.
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