Article
The effect of different ubiquinones on lifespan in Caenorhabditis elegans.
Mechanisms of ageing and development - 1 Jun 2009
Yang Yu-Ying, Gangoiti Jon A, Sedensky Margaret M, Morgan Phil G
Abstract excerpt
Ubiquinone (UQ, Coenzyme Q, CoQ) transfers electrons from complexes I and II to complex III in the mitochondrial electron transport chain. Depending on the degree of reduction, UQ can act as either a pro- or an antioxidant. Mutations disrupting ubiquinone synthesis increase lifespan in both the nematode (clk-1) and the mouse (mclk-1). The mutated nematodes survive using exogenous ubiquinone from bacteria, which...
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