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  • Title: Lipid composition of the Golgi apparatus of rat kidney and liver in comparison with other subcellular organelles.
    Author: Zambrano F, Fleischer S, Fleischer B.
    Journal: Biochim Biophys Acta; 1975 Mar 24; 380(3):357-69. PubMed ID: 1169965.
    Abstract:
    Golgi apparatus isolated from both rat liver and rat kidney have been characterized with respect to their neutral and phospholipid content and their phosphopipid composition and compared with mitochondria, rough endoplasmic reticulum and plasma membranes. In addition, the distribution of sulfatide in the subcellular fractions of rat kidney was determinich are rich in cholesterol esters and ubiquinone. Removal of about 75% of the cisternal contents of rat liver Golgi reduced its content of cholesterol esters but not of ubiquinone. The Golgi complex of liver most closely resembles endoplasmic reticulum in its phospholipid composition except for a higher content of sphingomyelin. Removal of most of the contents of the Golgi cisternae did not appreciably alter the phospholipid composition of the Golgi apparatus of liver. Goligi apparatus from kidney has a phospholipid composition which resembles liver Golgi much more closely than it does any other cell fraction from kidney. The sulfatide content of kidney Golgi, the cell fraction richest in this glycolipid, is about 14% of the total lipid present in this fraction. Sulfatide was present in plasma membranes, mitochondria and rough microsomes, but at about one-third the level found in Golgi. Sulfatide is the main glycosphingolipid present in all the cell fractions from kidney which were studied.
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