PMID: 11607164Mar 15, 1991Paper

Identification and characterization of nonsedimentable lipid-protein microvesicles

Proceedings of the National Academy of Sciences of the United States of America
K YaoJ E Thompson

Abstract

Previously uncharacterized lipid-protein microvesicles have been isolated from young and senescing bean cotyledon tissue. The microvesicles are nonsedimentable and enriched in phospholipid degradation products (free fatty acids, long-chain aldehydes, and long-chain hydrocarbons). They range from 70 to 170 nm (radius) with a mean radius of 132 nm, and it is clear from freeze-fracture electron micrographs that they are bilayered in nature. Nonsedimentable lipid-protein microvesicles containing the same products of phospholipid degradation but smaller were also formed in vitro when smooth microsomal membranes from young cotyledon tissue were treated with Ca2+ to stimulate enzymatic degradation of phospholipids. The data suggest that these microvesicles comprise an intermediate stage of membrane lipid deterioration. They appear to serve as a vehicle for moving phospholipid degradation products out of membranes into the cytosol during senescence and perhaps also during normal membrane lipid turnover.

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Citations

Jun 1, 1995·Journal of Cellular Physiology·T A DesantisR G Downer
Feb 1, 1993·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·D LinnemannE Bock
Nov 26, 1998·Progress in Lipid Research·J E ThompsonY Hong
Mar 29, 2011·Journal of Experimental Botany·Bertram Daum, Werner Kühlbrandt
Apr 1, 1993·Journal of Cellular Biochemistry·K YaoJ C Carlson
Jan 18, 2011·Molecular and Cellular Neurosciences·Pamela J VoulalasAshiwel S Undieh
Jun 26, 2007·The New Phytologist·Marianne HopkinsJohn E Thompson
Dec 9, 1994·Biochimica Et Biophysica Acta·P Moreau, C Cassagne
Jan 21, 2003·Genesis : the Journal of Genetics and Development·Tony WahlroosNigel J Kilby
Aug 15, 2002·Plant Physiology·Marianne T KaupJohn E Thompson
Feb 6, 2008·Journal of Agricultural and Food Chemistry·Jissy K Jacob, Gopinadhan Paliyath

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