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Table 2 Selection on mitochondrial functions

From: Mitochondrial activity in gametes and transmission of viable mtDNA

Stage

Level

Mechanism

Gametogenesis

organelle

autophagy of unfit mitochondria selection of high Δψm mitochondria (Bb) replication advantage of wild-type mtDNA

Gametogenesis Fertilizing gametes

cell

apoptosis of unfit cells fertilization failure

Zygote Early embryo

organism

development failure

  1. Note: the targets of selection are mtDNA and/or nuclear genes for mitochondrial function.