Biophysical properties of unusual phospholipids and sterols from marine invertebrates

Liposomes composed of 1,2-di-(5Z,9Z)-5-9-hexacosadienoyl-sn-glycero-3-pho sph ocholine underwent an endothermic phase transition at 42 degrees C. Cholesterol or the marine sterols studied did not affect this transition to an appreciable extent, but rather were excluded from the phospholipid bilayers...

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Published inBiochimica et biophysica acta Vol. 863; no. 1; pp. 110 - 114
Main Authors AYANOGLU, E, DUZGUNES, N, DONALD WIJEKOON, W. M, DJERASSI, C
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier 01.12.1986
North-Holland
Subjects
Animals
Artificial membranes and reconstituted systems
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Lipid Bilayers
Membrane physicochemistry
Molecular biophysics
Phospholipids
Porifera
Sterols
Marine environment
Liposome
Artificial membrane
Invertebrata
Phase transitions
Sterol
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Summary:Liposomes composed of 1,2-di-(5Z,9Z)-5-9-hexacosadienoyl-sn-glycero-3-pho sph ocholine underwent an endothermic phase transition at 42 degrees C. Cholesterol or the marine sterols studied did not affect this transition to an appreciable extent, but rather were excluded from the phospholipid bilayers. Membranes composed of 1,2-di-(5Z,9Z)-5,9-hexacosadienoyl-sn-glycero-3-pho sph ocholine displayed very similar phase properties. Effects of the marine sterols on dipalmitoylphosphatidylcholine bilayers were also investigated.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0006-3002
1878-2434