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Influence of Trinexapac-Ethyl on Respiration of Isolated Wheat Mitochondria

Neil L. Heckmana, Thomas E. Elthonb, Garald L. Horst*,a and Roch E. Gaussoina

a Dep. of Agronomy and Horticulture, Univ. of Nebraska, Lincoln, NE 68583-0724
b School of Biological Sciences and Center for Biotechnology, Univ. of Nebraska, Lincoln, NE 68588-0666



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Fig. 1. Nicotinamide adenine dinucleotide (NADH)-dependent O uptake of wheat mitochondria in the presence of trinexapac-ethyl and 2-oxogluarate. Data points represent means of two experiments (n = 6) ± SE.

 


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Fig. 2. Nicotinamide adenine dinucleotide (NADH) dehydrogenase activities of wheat mitochondria in the presence of trinexapac-ethyl. Data points represent means of two experiments (n = 6) ± SE.

 


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Fig. 3. Duroquinol-dependent O uptake of wheat mitochondria in the presence of trinexapac-ethyl. Data points represent means of two experiments (n = 6) ± SE.

 


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Fig. 4. Cytochrome bc1 activity of wheat mitochondria in the presence of trinexapac-ethyl. Data points represent means of two experiments (n = 6) ± SE.

 


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Fig. 5. Nicotinamide adenine dinucleotide-dependent O uptake of wheat mitochondria in the presence of oxidized or reduced trinexapac-ethyl. Ethanol (95%) was used as the solvent for all treatments and controls. Data points represent means of two experiments (n = 6) ± SE.

 





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