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Journal of Biological Sciences
Year: 2005  |  Volume: 5  |  Issue: 3  |  Page No.: 253 - 256

Glycolipids of Saccharomyces cerevisiae Cell

Renuka Malhotra and Balwant Singh    

Abstract: Total lipids of Saccharomyces cerevisiae were isolated by chloroform and methanol (2:1). Glycolipids were separated from total lipids by silicic acid chromatography. Glycolipid’s constituent sugars and fatty acids were analyzed by using Gas Liquid Chromatography. Galactose was the prominent sugar followed by mannose. Relative concentrations of fucose, mannose, galactose and glucose in the glycolipid were 5.3, 35.2, 55.1 and 4.2%. 16:0, 18:0, 18:1, 18:2 and 18:3 were the major fatty acids of the total glycolipids. Oleic acid was the dominating fatty acid followed by linoliec acid. They were separated into different fractions by using DEAE-Sephadex ion exchange chromatography. Glycolipids were fractionated and identified as cerebrosides, ceramide polyhexosides, sulfatides, monoglucosyldiglycerides and diglucosyldiglycerides. Ceramide polyhexosides were present in higher concentration as compared to other fractions.

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