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			==Peroxisome==
			<gallery>
			File:Peroxisome.svg\|Diagram of a peroxisome
			File:Distribution_of_peroxisomes_labelled_with_a_monomeric_eqFP611_variant_in_HEK293_cells_during_mitosis_-_pone.0004391.s005.ogv\|Distribution of peroxisomes in HEK293 cells during mitosis
			File:Peroxisome_in_rat_neonatal_cardiomyocyte.jpg\|Peroxisome in rat neonatal cardiomyocyte
			</gallery>

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2024-02-25T16:44:06Z

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'''Peroxisome'''

A '''Peroxisome''' is a type of [[organelle]] known for its involvement in the process of [[metabolism|metabolic]] activities within [[cell (biology)|cells]]. These organelles are found in virtually all [[Eukaryote|eukaryotic]] cells, and they are involved in a variety of cellular metabolic processes, including the breakdown of [[fatty acid]]s, the [[biosynthesis]] of certain [[lipid]]s, and the detoxification of harmful substances.

== Structure ==

Peroxisomes are bound by a single layer of [[lipid bilayer|lipid membrane]], and they contain a variety of [[enzyme]]s that are used in metabolic reactions. The enzymes within peroxisomes are imported from the [[cytosol]], and they are targeted to peroxisomes by specific [[peroxisomal targeting signal]]s.

== Function ==

The primary function of peroxisomes is to break down long-chain fatty acids through a process known as [[beta oxidation]]. This process results in the production of [[acetyl-CoA]], which can then be used in the [[citric acid cycle]] to produce energy for the cell.

In addition to their role in lipid metabolism, peroxisomes are also involved in the detoxification of harmful substances. They contain the enzyme [[catalase]], which breaks down [[hydrogen peroxide]] into water and oxygen. This is a crucial function, as hydrogen peroxide is a harmful byproduct of many metabolic reactions.

== Clinical significance ==

Defects in peroxisome function can lead to a variety of diseases, known collectively as [[peroxisomal disorder]]s. These include conditions such as [[Zellweger syndrome]], [[Adrenoleukodystrophy]], and [[Refsum's disease]]. These diseases are typically characterized by abnormalities in lipid metabolism and the accumulation of harmful substances within cells.

== See also ==

* [[Lysosome]]
* [[Mitochondrion]]
* [[Endoplasmic reticulum]]
* [[Golgi apparatus]]

== References ==

<references />

[[Category:Cell biology]]
[[Category:Organelles]]
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Peroxisome - Revision history

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