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A major function of the peroxisome is the breakdown of very long chain fatty acids through beta oxidation. In animal cells, the long fatty acids are converted to medium chain fatty acids, which are subsequently shuttled to mitochondria where they eventually are broken down to carbon dioxide and water. In yeast and plant cells, this process is ...
Peroxins serve several functions including the recognition of cytoplasmic proteins that contain peroxisomal targeting signals (PTS) that tag them for transport by peroxisomal proteins to the peroxisome.
Microbody structure - a peroxisome. Microbodies are different type of bodies present in the cytosol, also known as cytosomes. A microbody is usually a vesicle with a spherical shape, ranging from 0.2-1.5 micrometers in diameter. [1] Microbodies are found in the cytoplasm of a cell, but they are only visible with the use of an electron microscope.
The peroxisome is an organelle in the cell similar to the lysosome that functions to detoxify the cell. Peroxisomes contain many different enzymes, such as catalase, and their main function is to neutralize free radicals and detoxify drugs. For this reason peroxisomes are ubiquitous in the liver and kidney.
PPARs were originally identified in Xenopus frogs as receptors that induce the proliferation of peroxisomes in cells in 1992. [7] The first PPAR (PPARα) was discovered in 1990 during the search for a molecular target of a group of agents then referred to as peroxisome proliferators , as they increased peroxisomal numbers in rodent liver tissue ...
In cell biology, an organelle is a specialized subunit, usually within a cell, that has a specific function.The name organelle comes from the idea that these structures are parts of cells, as organs are to the body, hence organelle, the suffix -elle being a diminutive.
Prxs were historically divided into three (mechanistic) classes: Typical 2-Cys Prxs; Atypical 2-Cys Prxs and; 1-Cys Prxs. The designation of "1-Cys" and "2-Cys" Prxs was introduced in 1994 [2] as it was noticed that, among the 22 Prx sequences known at the time, only one Cys residue was absolutely conserved; this is the residue now recognized as the (required) peroxidatic cysteine, C P.
In enzymology, a peroxisome-assembly ATPase (EC 3.6.4.7) is an enzyme that catalyzes the chemical reaction. ATP + H 2 O ADP + phosphate. Thus, the two substrates of this enzyme are ATP and H 2 O, whereas its two products are ADP and phosphate. Its function is to transport components of the peroxisome in and out of the organelle.