glyoxylate cycle
(gli-ok\'sī-lat)
A modified tricarboxylic acid cycle in which the decarboxylation reactions are bypassed by the enzymes isocitrate lyase and malate synthase; it is used to convert acetyl-CoA to succinate and other metabolites.

Microbiology. . 2009.

Look at other dictionaries:

  • Glyoxylate cycle — The glyoxylate cycle is a metabolic pathway occurring in plants, certain vertebrates, and several microorganisms, such as E. coli and yeast.The glyoxylate cycle allows these organisms to use fats for the synthesis of carbohydrates. This sequence… …   Wikipedia

  • glyoxylate cycle — a metabolic pathway by which certain microorganisms and plants convert fat to carbohydrate; its enzymes are contained in microbodies known as glyoxysomes. It is a modification of the tricarboxylic acid cycle but differs in that two auxiliary… …   Medical dictionary

  • glyoxylate cycle — Metabolic pathway present in bacteria and in the glyoxisome of plants, in which two acetyl CoA molecules are converted to a 4 carbon dicarboxylic acid, initially succinate. Includes two enzymes not found elsewhere, isocitrate lyase and malate… …   Dictionary of molecular biology

  • glyoxylate cycle — noun A series of metabolic reactions by which many different organisms utilise fats for the synthesis of carbohydrates …   Wiktionary

  • Cycle Du Glyoxylate — Le cycle du glyoxylate est un dérivé anabolique du cycle de Krebs. Il se réalise dans le glyoxysome des graines et permet leur germination en transformant ses réserves de lipides en glucides qui seront la source d énergie de la photosynthèse.… …   Wikipédia en Français

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  • Cycle du glyoxylate — Le cycle du glyoxylate est un dérivé anabolique du cycle de Krebs. Il se réalise dans le glyoxysome des graines et permet leur germination en transformant ses réserves de lipides en glucides qui seront la source d énergie de la photosynthèse.… …   Wikipédia en Français

  • cycle — 1. A recurrent series of events. 2. A recurring period of time. 3. One successive compression and rarefaction of a wave, as of a sound wave. [G. kyklos, circle] anovulatory c. a …   Medical dictionary

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  • metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …   Universalium

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