Taken from Erdmann and Schliebs (2005)
Arguably the most important stuctural section of the peroxisome is the membrane as this is the section that interacts with the content of the cell and allows the functions of the peroxisome to occur. In order for these functions to occur, the transportation of peroxisomal matrix proteins, such as enzymes, is necessary. This involves a six step process where the proteins are bound to receptors, within the cytosol, for translocation to the peroxisomes for embedding in the membrane . The membrane contains a number of transmembrane proteins which move substances from the inside of the membrane to the outside and vice versa. The image above (taken from Erdmann and Schliebs 2005) shows the membrane with a variety of the proteins in holds along with the substances that they move in and out of the peroxisomal matrix. The video shows how the proteins are translocated to the membrane and also shows how they interact with each other.
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The video is based on the information from (Baker and Paudyal 2014)
Peroxisomes require an array of proteins and enzymes to carry out a variety of functions. The video above explains how these proteins and enzymes are imported into peroxisomes. |