glyoxysome

glyoxysome
Any of various specialized peroxisomes found in plants (particularly in the fat-storage tissues of germinating seeds) and also in filamentous fungi, serving to break down fatty acids and provide enzymes to produce intermediates for the synthesis of sugars by gluconeogenesis.

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  • GLYOXYSOME — Pendant la germination des graines oléagineuses (ricin, tournesol), les réserves lipidiques de l’albumen ou des cotylédons des semences disparaissent. Ces lipides sont convertis en glucides, principalement du saccharose: ainsi un flux de carbone… …   Encyclopédie Universelle

  • Glyoxysome — Glyoxysomes are specialized peroxisomes found in plants (particularly in the fat storage tissues of germinating seeds) and also in filamentous fungi. As in all peroxisomes, in glyoxysomes the fatty acids are hydrolyzed to acetyl CoA by… …   Wikipedia

  • Glyoxysome — Dans beaucoup de graines, le glyoxysome est un type de peroxysome dans lequel se déroule le cycle du glyoxylate permettant la transformation des lipides stockés dans cette graine en saccharose pour alimenter l embryon lors de la germination.… …   Wikipédia en Français

  • glyoxysome — gly·ox·y·some (gli okґsĭ sōm) any of the microbodies present in certain plants and microorganisms, resembling the peroxisomes of vertebrate animal cells, but having, in addition to catalase and oxidase enzymes, the enzymes of the… …   Medical dictionary

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  • Chloroplast — Simplified structure of a chloroplast Chloroplasts (English pronunciation: /ˈklɒrəplæsts/) are organelles found in plant cells and other eukaryotic organisms that conduct photosynthesis. Chloroplasts capture light energy to conserve …   Wikipedia

  • Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem …   Wikipedia

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