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    Mitochondrial quality control: Just walk away. Green Douglas R Cell metabolism The repair and removal of damaged mitochondria is essential for sustaining cellular and tissue homeostasis. Now in Cell, Jiao et al. (2021) describe a novel mechanism of such quality control in which damaged mitochondria move to the plasma membrane where they are "packaged" and left behind the trailing edge of migrating cells. 10.1016/j.cmet.2021.05.011