Identification of Entamoeba histolytica intracellular phospholipase A and lysophospholipase L1 activities. 1995

J Vargas-Villarreal, and H Martínez-Rodríguez, and J Castro-Garza, and B D Mata-Cárdenas, and M T González-Garza, and S Said-Fernández
División de Biología Celular y Molecular, Instituto Mexicano del Seguro Social, Monterrey, N.L. México.

Entamoeba histolytica phospholipase A and lysophospholipase activities from a vesicular subcellular fraction (P30) were analyzed. The products, obtained using specific substrates labeled with 14C or 3H, indicated the presence of phospholipase A1 and A2 as well as lysophospholipase L1 activities. The enzymes detected could participate in phospholipid metabolism and the alkaline phospholipase A2 may contribute to E. histolytica cytopathogenicity.

UI MeSH Term Description Entries
D008245 Lysophospholipase An enzyme that catalyzes the hydrolysis of a single fatty acid ester bond in lysoglycerophosphatidates with the formation of glyceryl phosphatidates and a fatty acid. EC 3.1.1.5. Lecithinase B,Lysolecithinase,Phospholipase B,Lysolecithin-Lysolecithin Acyltransferase,Lysophospholipase A,Lysophospholipase A1,Lysophospholipase C,Lysophospholipase L2,Acyltransferase, Lysolecithin-Lysolecithin,L2, Lysophospholipase,Lysolecithin Lysolecithin Acyltransferase
D010741 Phospholipases A Phospholipases that hydrolyze one of the acyl groups of phosphoglycerides or glycerophosphatidates.
D010743 Phospholipids Lipids containing one or more phosphate groups, particularly those derived from either glycerol (phosphoglycerides see GLYCEROPHOSPHOLIPIDS) or sphingosine (SPHINGOLIPIDS). They are polar lipids that are of great importance for the structure and function of cell membranes and are the most abundant of membrane lipids, although not stored in large amounts in the system. Phosphatides,Phospholipid
D002122 Calcium Chloride A salt used to replenish calcium levels, as an acid-producing diuretic, and as an antidote for magnesium poisoning. Calcium Chloride Dihydrate,Calcium Chloride, Anhydrous
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D004748 Entamoeba histolytica A species of parasitic protozoa causing ENTAMOEBIASIS and amebic dysentery (DYSENTERY, AMEBIC). Characteristics include a single nucleus containing a small central karyosome and peripheral chromatin that is finely and regularly beaded. Endamoeba histolytica,histolytica, Endamoeba
D006868 Hydrolysis The process of cleaving a chemical compound by the addition of a molecule of water.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013347 Subcellular Fractions Components of a cell produced by various separation techniques which, though they disrupt the delicate anatomy of a cell, preserve the structure and physiology of its functioning constituents for biochemical and ultrastructural analysis. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p163) Fraction, Subcellular,Fractions, Subcellular,Subcellular Fraction
D054466 Phospholipases A1 A phospholipase that hydrolyzes the acyl group attached to the 1-position of PHOSPHOGLYCERIDES. Lecithinase A1,Phosphatidate 1-Acylhydrolase,Phospholipase A1,1-Acylhydrolase, Phosphatidate,Phosphatidate 1 Acylhydrolase

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