نتایج جستجو برای: succinate dehydrogenase

تعداد نتایج: 75966  

Journal: :Mitochondrion 2010
Jared Rutter Dennis R Winge Joshua D Schiffman

Succinate dehydrogenase (or Electron Transport Chain Complex II) has been the subject of a focused but significant renaissance. This complex, which has been the least studied of the mitochondrial respiratory complexes has seen renewed interest due to the discovery of its role in human disease. Under this heightened scrutiny, the succinate dehydrogenase complex has proven to be a fascinating mac...

Journal: :Journal of bacteriology 2009
Rebecca A Weingarten Michael E Taveirne Jonathan W Olson

Campylobacter jejuni encodes all the enzymes necessary for a complete oxidative tricarboxylic acid (TCA) cycle. Because of its inability to utilize glucose, C. jejuni relies exclusively on amino acids as the source of reduced carbon, and they are incorporated into central carbon metabolism. The oxidation of succinate to fumarate is a key step in the oxidative TCA cycle. C. jejuni encodes enzyme...

2004
Wolfram H. WALKER

1. Succinate dehydrogenase flavocoenzyme (“SD-flavin”), previously shown to be an SOLsubstituted riboflavin derivative containing a tertiary nitrogen homoconjugated to the flavin nucleus, was subjected to further hydrolysis and to reduction under acid conditions. Both conditions resulted in the liberation of 1 mole of histidine per mole of flavin. This proves histidine to be the covalent link b...

Journal: :The Biochemical journal 1977
W J Ingledew T Ohnishi

1. It is shown that the electron-transfer inhibitor thenoyltrifluoroacetone abolishes a respiratory-chain electron-paramagnetic-resonance absorbance due to spin-spin interactions of ubisemiquinones at concentrations similar to those required for inhibition of succinate oxidation. 2. A specific site of interaction of thenoyltrifluoroacetone with the respiratory chain is proposed to be on the ubi...

Journal: :Journal of bacteriology 1995
G Cecchini H Sices I Schröder R P Gunsalus

Fumarate reductase from Escherichia coli functions both as an anaerobic fumarate reductase and as an aerobic succinate dehydrogenase. A site-directed mutation of E. coli fumarate reductase in which FrdB Pro-159 was replaced with a glutamine or histidine residue was constructed and overexpressed in a strain of E. coli lacking a functional copy of the fumarate reductase or succinate dehydrogenase...

Journal: :Applied and environmental microbiology 1987
A E Gardiol G L Truchet F B Dazzo

Transmission electron microscopy was used to study the cellular morphologies of a wild-type Rhizobium meliloti strain (L5-30), a nitrogen fixation-ineffective (Fix-) succinate dehydrogenase mutant (Sdh-) strain, and a Fix+ Sdh+ revertant strain within alfalfa nodules and after free-living growth in a minimal medium containing 27 mM mannitol plus 20 mM succinate. The results showed a requirement...

Journal: :Journal of biochemical toxicology 1996
R J Rodriguez D Acosta

Ketoconazole is an imidazole oral antifungal agent with a broad spectrum of activity. Ketoconazole has been reported to cause liver damage, but the mechanism is unknown. However, ketoconazole and a related rug, miconazole, have been shown to have inhibitory effects on oxidative phosphorylation in fungi. Fluconazole, another orally administered antifungal azole, has also been reported to cause l...

Journal: :Head & neck 2014
Carsten C Boedeker Erik F Hensen Hartmut P H Neumann Wolfgang Maier Francien H van Nederveen Carlos Suárez Henricus P Kunst Juan P Rodrigo Robert P Takes Phillip K Pellitteri Alessandra Rinaldo Alfio Ferlito

BACKGROUND The purpose of this study was to give an overview on hereditary syndromes associated with head and neck paragangliomas (HNPGs). METHODS Our methods were the review and discussion of the pertinent literature. RESULTS About one third of all patients with HNPGs are carriers of germline mutations. Hereditary HNPGs have been described in association with mutations of 10 different gene...

2003
RICHARD W. HENDLER AMELIA H. BURGESS

This paper describes experiments conducted with membranous and soluble fractions obtained from Escherichia coli that had been grown on succinate, malate, or enriched glucose media. Oxidase and dehydrogenase activities were studied with the following substrates : nicotinamide adenine dinucleotide, reduced form (NADH), nicotinamide adenine dinucleotide phosphate, reduced form (NADPH), succinate, ...

Journal: :Microbiology 2006
Tanja Zaunmüller David J Kelly Frank O Glöckner Gottfried Unden

Sulphate- or sulphur-reducing bacteria with known or draft genome sequences (Desulfovibrio vulgaris, Desulfovibrio desulfuricans G20, Desulfobacterium autotrophicum [draft], Desulfotalea psychrophila and Geobacter sulfurreducens) all contain sdhCAB or frdCAB gene clusters encoding succinate : quinone oxidoreductases. frdD or sdhD genes are missing. The presence and function of succinate dehydro...

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