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Coupling mitochondrial and cell division

The mitochondrial network fragments during mitosis to allow proper segregation of the organelles between daughter cells. Two mitotic kinases, the cyclin B–CDK1 complex and Aurora A, are now shown to cooperate with the small G protein RALA and its effector RALBP1 to promote DRP1 phosphorylation and mitochondrial fission.

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Figure 1: Mitosis-specific mitochondrial fission involves the phosphorylation of DRP1.

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Correspondence to Richard J. Youle.

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Yamano, K., Youle, R. Coupling mitochondrial and cell division. Nat Cell Biol 13, 1026–1027 (2011). https://doi.org/10.1038/ncb2334

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