Hostile takeover in the cell

Pathogens hijack host mitochondria

Mitochondria are known as energy suppliers for our cells, but they also play an important role in the defense against pathogens. They can initiate immune responses, and deprive pathogens of the nutrients they need to grow. A research team led by Lena Pernas of the Max Planck Institute for Biology of Ageing in Cologne, Germany, has now shown that pathogens can turn off mitochondrial defense mechanisms by hijacking a normal cellular response to stress.

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