Cells use diverse mechanisms to rid themselves of dysfunctional or excess mitochondria. A study now shows that C. elegans sperm use a previously undescribed mechanism to rapidly expel single healthy mitochondria in membrane-bound structures called mitophers.
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Shakes, D.C. Sperm bud mitochondria to adjust the numbers. Nat Cell Biol 25, 1564–1565 (2023). https://doi.org/10.1038/s41556-023-01255-0
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DOI: https://doi.org/10.1038/s41556-023-01255-0
