3D image of the unicellular parasite Trypanosoma brucei. The flagellum, which is used for moving (purple), the DNA (blue) and the Mitochondrium - the so-called power plant of the cell (turquoise).
Media releases, information for representatives of the media Media Relations (E) Mitochondria are the 'power plants' of complex cells. In order to provide the cell with energy they need protein building blocks, which are imported from the outside. Over billions of years the 'protein import machines' necessary for this process have developed differently than previously assumed, as biochemists in Bern have discovered. This also casts a new light on the evolution of complex cells. Mitochondria are separated from the rest of the cell by two membrane layers. In order to produce energy, mitochondria require protein components that must be imported across the two membrane layers. Two "import nano machines" located in the outer and inner membrane layer are responsible for this process.
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