Document Detail

Adaptation of composition and biophysical properties of phospholipids to temperature by the Crustacean, Gammarus spp.
MedLine Citation:
PMID:  11104015     Owner:  NLM     Status:  MEDLINE    
The compositions of lipid classes as well as the molecular species composition of subclasses (diacyl, alkylacyl, and alkenylacyl forms) of choline and ethanolamine phosphoglycerides in marine amphipod crustaceans, Gammarus spp., collected in the Baltic Sea at 8 and 15 degrees C, were studied in relation to environmental temperature. The structural order of phospholipid multibilayers was also determined. Environmental temperature had little effect on fatty acid composition. The level of some polyunsaturated fatty acids, such as 20:4, even increased in choline and ethanolamine phosphoglycerides at 15 degrees C. Ethanolamine phosphoglycerides were rich in alkenylacyl forms, especially in crustaceans collected at 15 degrees C. The accumulation of sn-1 monoenic, sn-2 polyenic diacyl, alkyl, and alkenylacyl phosphatidylethanolamines and diacyl phosphatidylcholines was observed at 8 degrees C. The phospholipid vesicles of crustaceans collected at 8 degrees C were more disordered than expected compared to those obtained from animals collected at 15 degrees C. It was concluded that, in addition to variations in the levels of sn-1 monoenic and sn-2 polyenic phospholipid molecular species with temperature, ethanolamine plasmalogens may play a role in controlling membrane biophysical properties in marine amphipod crustaceans.
E Lahdes; G Balogh; E Fodor; T Farkas
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Lipids     Volume:  35     ISSN:  0024-4201     ISO Abbreviation:  Lipids     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-02-05     Completed Date:  2001-03-08     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0060450     Medline TA:  Lipids     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1093-8     Citation Subset:  IM    
Finnish Institute of Marine Research, Helsinki.
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MeSH Terms
Biophysical Phenomena
Crustacea / metabolism*
Fluorescence Polarization
Phosphatidylcholines / chemistry
Phosphatidylethanolamines / chemistry
Phospholipids / chemistry*
Spectrometry, Fluorescence
Reg. No./Substance:
0/Phosphatidylcholines; 0/Phosphatidylethanolamines; 0/Phospholipids

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