Krebs cycle


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  • noun

Synonyms for Krebs cycle

in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy

References in periodicals archive ?
In addition to the tangible act of breathing - a sure sign of a well-oiled Krebs cycle - your body is giving off heat.
The intermediate is oxidized in Krebs cycle, and for every two carbons that enter as acetyl-CoA, two carbons are lost as C[O.
This report fully validated the two main conclusions drawn from my 2004 study: (1) respiratory-to-fermentative shift as the mitochondrial dysfunction in inflammatory-immune disorders; and (2) succinate retention as the Krebs cycle dysfunction of highest clinical interest.
This suggests the active trans-deamination of amino acids for the incorporation of ketoacids into the Krebs cycle in order to release the energy required for the synthesis of new proteins (Sivaramakrishna and Radhakrishnaiah 1998).
Chronic depletion of mitochondrial DNA in both Schwann cells and Dorsal root ganglion neurons in vitro has resulted in decreased enzyme activities of various Krebs cycle enzymes including Malate dehydrogenase, Citrate Synthase and a simultaneous increase in Glycolytic pathway enzymes.
This energy-producing cycle -- known as the tricarboxylic acid (TCA) cycle or the Krebs cycle -- includes a series of chemical reactions that are used for metabolism by most forms of life, including bacteria, molds, protozoa and animals.
To keep it simple, there are three main metabolic pathways we use to perform physical activity--the phosphagen pathway, the glycolytic pathway, and the oxidative pathway--and one pathway to convert food into energy--the citric acid, or Krebs cycle.
Taking part in structured drill sessions and sprint training in the pool allows you to work at your "anaerobic" capacity which increases stamina and also improves the Krebs cycle.
The concepts of glycolysis, Krebs cycle, and the electron transfer chain are abstract with multiple steps that are difficult to follow.
Aerobic respiration proceeds in three major phases: (1) glycolysis, (2) the Krebs cycle, and (3) electron transport.
Pyruvate, which is produced by the digestion of sugars, is the compound that starts the Krebs cycle - the complex series of chemical reactions in cells that releases energy as part of respiration.
The resultant high concentrations of acetyl-CoA and acetoacetyl CoA would depress the level of ACAT and generate more [beta]-hydroxybutyric acid; high concentrations of acetyl-CoA would also accelerate the Krebs Cycle and produce more ATP, which is stored as phosphocreatine, as a consequence of increased expression of creatine kinase.
The Krebs cycle, the pathway (through which) carbs, fats, and proteins are supposed to be broken down, gets backed up and doesn't flow like it's supposed to," Ms.
3NP has long been known to inhibit succinate dehydrogenase activity of the Krebs cycle and the respiratory chain in mitochondria.