glyoxysome


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glyoxysome

[glī′äk·sə‚sōm]
(botany)
A specialized type of peroxisome found in plant tissues that is bounded by a single membrane and contains a broad spectrum of enzymes, including those of the glyoxylate cycle and the β-oxidation cycle in addition to catalase and oxidase.
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Localization of superoxide dismutase in glyoxysomes from Citrullus vulgaris.
However, the catabolism of these biomolecules occurs mainly in the peroxisomes of foliar tissues and in glyoxysomes during the plants' seed germination (Buchanan, Gruissem, Vickers, & Jones, 2015).
Each break of carbon-carbon bond during [beta]-oxidation in glyoxysomes and peroxisomes produces one NADH which, in oxidative phosphorylation, produces 2.
So that Equation (8) may be validated, the ATP amount, obtained from its application, was compared with the ATP amount calculated individually from the sum of acetyl-CoA, NAHD and FADH2 molecules number, and substrate level phosphorylation, generated in the oxidation of fatty acids with specific numbers of carbon atoms in glyoxysomes (Table 2).
Typical organelles of a photosynthetic plant cell include the nucleus, vacuole, plastids, mitochondria, ribosomes, Golgi apparatus, lysosomes, glyoxysomes, and peroxisomes.
Glyoxysomes are found primarily in fatty seeds such as cotton and peanut and they provide enzymes for the conversion of fats to carbohydrates during the germination process.
Partitioning of Malate dehydrogenase isoenzymes into glyoxysomes, mitochondria, and chloroplasts.
Superoxide free radicals are produced in glyoxysomes.