1887

Abstract

Summary

Sonchus yellow net virus (SYNV) contains approximately 18% lipid composed of 62% phospholipids, 31% sterols and 7% triglycerides. The polar phospholipids consist of phosphatidyl choline, phosphatidyl ethanolamine, phosphatidyl serine, phosphatidyl inositol and phosphatidyl glycerol respectively. The fatty acid composition of the individual phospholipids includes various ratios of palmitic, stearic, oleic, linoleic and linolenic acids. The neutral lipid fraction is composed primarily of free sterols, sterol esters and triglycerides. Sterol glycosides are also present in the polar lipid fraction. Stigmasterol, β-sitosterol, cholesterol and campesterol represent about 50%, 22%, 20% and 8% respectively, by weight, of the total sterol, and both glycosylated and nonglycosylated derivatives are present. Galactolipids are not detectable in the SYNV preparations, although small amounts of other unidentified lipids are present. This study suggests that a large number of selected lipids are obtained from the host during assembly of virus particles.

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/content/journal/jgv/10.1099/0022-1317-64-7-1607
1983-07-01
2019-11-17
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-64-7-1607
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