Document Detail


Quantification and fatty acid profiles of sulfolipids in two halophytes and a glycophyte grown under different salt concentrations.
MedLine Citation:
PMID:  15666543     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study was aimed at understanding the role of sulfolipids in salt tolerance mechanisms of the halophytes Aster tripolium L., Compositae, and Sesuvium portulacastrum L., Aizoaceae, and of the glycophyte Arabidopsis thaliana (L.) Heynh., Brassicaceae. In Aster and Sesuvium the sulfolipid contents increased significantly under salt stress conditions (517 mM or 864 mM). In Arabidopsis, changes in sulfolipid contents were not observed (NaCl up to 100 mM). The fatty acid profile of sulfoquinovosyldiacylglycerol (SQDG) in Aster was modified with increasing NaCl concentrations. LC-MS analyses of sulfolipids from Aster and Sesuvium revealed the presence of 18:3/18:3 and 16:0/18:3 molecules. Obviously, the function of sulfolipids during salt stress differs between halophytic species and between halophytes and glycophytes where sulfolipid accumulation was not observed.
Authors:
Balasubramanian Ramani; Holger Zorn; Jutta Papenbrock
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Zeitschrift für Naturforschung. C, Journal of biosciences     Volume:  59     ISSN:  0939-5075     ISO Abbreviation:  Z. Naturforsch., C, J. Biosci.     Publication Date:    2004 Nov-Dec
Date Detail:
Created Date:  2005-01-24     Completed Date:  2005-02-28     Revised Date:  2009-11-04    
Medline Journal Info:
Nlm Unique ID:  8912155     Medline TA:  Z Naturforsch C     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  835-42     Citation Subset:  IM    
Affiliation:
Institut für Botanik, Universität Hannover, Herrenhäuserstr. 2, D-30419 Hannover, Germany.
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MeSH Terms
Descriptor/Qualifier:
Arabidopsis / growth & development*
Aster Plant / drug effects,  growth & development*
Fatty Acids / analysis*
Glycolipids / biosynthesis*,  chemistry,  metabolism
Lipids / chemistry*
Sodium Chloride / pharmacology
Chemical
Reg. No./Substance:
0/Fatty Acids; 0/Glycolipids; 0/Lipids; 0/sulfolipids; 0/sulfoquinovosyl diglyceride; 7647-14-5/Sodium Chloride

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