The Effect of Exogenous Nicotinamide Adenine Dinucleotide on the Oxidation of Nicotinamide Adenine Dinucleotide-linked Substrates by Isolated Plant Mitochondria 1

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RESUMO

The oxidation of malate, citrate, and α-ketoglutarate by cauliflower (Brassica oleacea L.) bud mitochondria was inhibited by rotenone. This inhibition was relieved upon addition of NAD+ to the medium, and ADP/O values were lowered to less than 2 when both rotenone and NAD+ were present. Dinitrophenol did not affect the relief of rotenone inhibition by exogenous NAD+.

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