The polar lipid composition of Mesorhizobium ciceri |
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Authors: | Adam Choma Iwona Komaniecka |
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Institution: | Department of General Microbiology, Maria Curie-Sklodowska University, 19 Akademicka Street, 20-033 Lublin, Poland |
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Abstract: | The extractable lipid composition of Mesorhizobium ciceri strain HAMBI 1750 grown in a phosphate sufficient medium (79CA) is reported. Cardiolipin (CL—27% of total lipids), phosphatidylglycerol (PG—18%), phosphatidylethanolamine (PE—1%), phosphatidylcholine (PC—30%) and two methylated derivatives of PE, i.e. phosphatidyl-N, N-dimethylethanolamine (DMPE—1%) and phosphatidyl-N-monomethylethanolamine (MMPE—1%), were found to make up the phospholipids of the analysed bacteria. Nonphosphorus, ornithine-containing lipid (OL—10%) was also detected. Polar groups of phospholipids were predominantly acylated with cis-11,12-methyleneoctadecanoyl (lactobacillic) residues, whereas the ornithine lipid contained mainly 3-hexadecanoyloxy-11,12-methyleneoctadecanoic acid bound to the α-amino group. |
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Keywords: | Phospholipid Ornithine-containing lipid 3-hydroxy-11 12-methyleneoctadecanoic acid Fatty acid |
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