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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Curr Opin Cell Biol. 2013 Jul 24;25(6):10.1016/j.ceb.2013.07.002. doi: 10.1016/j.ceb.2013.07.002

Figure 2.

Figure 2

Mitochondrial dynamics and the cell cycle. Mitochondria can undergo profound alterations in their morphology. Fusion results in elongated, tubulated mitochondria, while fission results in mitochondria that are fragmented. Recent evidence suggests that mitochondrial morphology is coordinated with cell cycle phases with fused mitochondria occurring at the G1/S boundary and fragmented mitochondria occurring more frequently during G2/M.