Glyoxysome

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Glyoxysome

Glyoxysomes (pronounced: gly-ox-y-somes) are specialized peroxisomes found in plants (particularly in the fat storage tissues of germinating seeds) and also in filamentous fungi.

Etymology

The term "Glyoxysome" is derived from the Greek words "glykys" meaning sweet and "soma" meaning body. This is in reference to the organelle's role in converting fatty acids to sugar.

Function

Glyoxysomes play a crucial role in the Glyoxylate cycle, a variation of the Citric acid cycle. They are involved in the conversion of fatty acids to sugars. These sugars are then used to provide energy for the germinating plant seed.

Structure

Like peroxisomes, glyoxysomes are bound by a single membrane and contain various enzymes. However, they are distinguished by their specific set of enzymes that are necessary for the glyoxylate cycle.

Related Terms

  • Peroxisome: A type of organelle known for its role in the metabolism of fatty acids and the detoxification of harmful substances.
  • Glyoxylate cycle: A variation of the citric acid cycle; it is a metabolic pathway occurring in many plants and microorganisms.
  • Citric acid cycle: Also known as the Krebs cycle, it is a series of chemical reactions used by all aerobic organisms to release stored energy.

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