ubiquinone/pónaire soighe

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AiltTrialacha cliniciúlaPaitinní

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12 torthaí

Alternative Oxidase Activity and the Ubiquinone Redox Level in Soybean Cotyledon and Arum Spadix Mitochondria during NADH and Succinate Oxidation.

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Logáil Isteach / Cláraigh

In Arum and soybean (Glycine max L.) mitochondria, the dependence of the alternative oxidase activity on the redox level of ubiquinone, with NADH and succinate as substrates, was studied, using a voltametric procedure to measure the ubiquinone redox poise in the mitochondrial membrane. The results

Activation of the plant alternative oxidase by high reduction levels of the Q-pool and pyruvate.

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Logáil Isteach / Cláraigh

This report describes the activation of the alternative oxidase (AOX) of higher plant mitochondria by a high reduction level of the ubiquinone pool in the presence of pyruvate. In mitochondria from both thermogenic (Arum italicum spadices) and nonthermogenic (Glycine max cotyledons) tissues AOXis

Differential expression of alternative oxidase genes in soybean cotyledons during postgerminative development

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Logáil Isteach / Cláraigh

The expression of the alternative oxidase (AOX) was investigated during cotyledon development in soybean (Glycine max [L.] Merr.) seedlings. The total amount of AOX protein increased throughout development, not just in earlier stages as previously thought, and was correlated with the increase in

The Regulation of Electron Partitioning between the Cytochrome and Alternative Pathways in Soybean Cotyledon and Root Mitochondria.

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Logáil Isteach / Cláraigh

The regulation of electron partitioning between the cytochrome (Cyt) and alternative pathways in soybean (Glycine max L. cv Ransom) mitochondria in the absence of added inhibitors has been studied using the oxygen isotope fractionation technique. This regulation can depend on several factors,

Regulation of Alternative Pathway Activity in Plant Mitochondria : Deviations from Q-Pool Behavior during Oxidation of NADH and Quinols.

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Logáil Isteach / Cláraigh

External NADH and succinate were oxidized at similar rates by soybean (Glycine max) cotyledon and leaf mitochondria when the cytochrome chain was operating, but the rate of NADH oxidation via the alternative oxidase was only half that of succinate. However, measurements of the redox poise of the

Electron Partitioning between the Cytochrome and Alternative Pathways in Plant Mitochondria.

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Logáil Isteach / Cláraigh

The contribution of the cyanide-resistant, alternative pathway to plant mitochondrial electron transport has been studied using a modified aqueous phase on-line mass spectrometry-gas chromatography system. This technique permits direct measurement of the partitioning of electrons between the

Effect of temperature on rates of alternative and cytochrome pathway respiration and their relationship with the redox poise of the quinone pool.

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Logáil Isteach / Cláraigh

We investigated the effect of short-term changes in temperature on alternative (Alt) and cytochrome (Cyt) pathway respiration, both in intact tissues and isolated mitochondria of 14-d-old cotyledons of soybean (Glycine max L. cv Stevens). We also established the extent to which temperature alters

Rhizobium capsici sp. nov., isolated from root tumor of a green bell pepper (Capsicum annuum var. grossum) plant.

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Logáil Isteach / Cláraigh

A novel, Gram-staining-negative, rod-shaped, aerobic and motile bacterium, designated strain CC-SKC2(T), was isolated from the root tumor of a green bell pepper (Capsicum annuum var. grossum) plant in Taiwan. Cells were positive for oxidase and catalase activities and exhibited growth at 25-37 °C,

Analysis of respiratory chain regulation in roots of soybean seedlings

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Logáil Isteach / Cláraigh

Changes in the respiratory rate and the contribution of the cytochrome (Cyt) c oxidase and alternative oxidase (COX and AOX, respectively) were investigated in soybean (Glycine max L. cv Stevens) root seedlings using the 18O-discrimination method. In 4-d-old roots respiration proceeded almost

Matrix NADH dehydrogenases of plant mitochondria and sites of quinone reduction by complex I.

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Logáil Isteach / Cláraigh

In order to distinguish the pathways involved in the oxidation of matrix NADH in plant mitochondria, the oxidation of NADH and nicotinamide hypoxanthine dinucleotide (reduced form) was investigated in submitochondrial particles prepared from beetroot (Beta vulgaris L. cv. Derwent Globe) and soybeans

Bradyrhizobium daqingense sp. nov., isolated from soybean nodules.

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Logáil Isteach / Cláraigh

Thirteen slow-growing rhizobial strains isolated from root nodules of soybean (Glycine max L.) grown in Daqing city in China were classified in the genus Bradyrhizobium based on 16S rRNA gene sequence analysis. Multilocus sequence analysis of IGS, atpD, glnII and recA genes revealed that the

Substrate Kinetics of the Plant Mitochondrial Alternative Oxidase and the Effects of Pyruvate.

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Logáil Isteach / Cláraigh

The kinetics of alternative oxidase (AOX) of Arum italicum spadices and soybean (Glycine max L.) cotyledons were studied both with intact mitochondria and with a solubilized, partially purified enzyme. Ubiquinone analogs were screened for their suitability as substrates and ubiquinol-1 was found to

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